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DENSITY DETERNIMATION KIT HR-AZ series HR-A series FZ-i series FX-i series 1WMPD4002606 This Manual and Marks Product Safety Signs and Labels All safety messages are identified by the following, “WARNING” or “CAUTION”, of ANSI Z535.4 (American National Standard Institute: Product Safety Signs and Labels). The meanings are as follows: WARNING CAUTION Note A potentially hazardous situation which, if not avoided, could result in death or serious injury. A potentially hazardous situation which, if not avoided, may result in minor or moderate injury. Provides information useful for the user to operate the instrument. This is a hazard alert mark. Note This manual is subject to change without notice at any time to improve the product. The contents of this manual and the specifications of the instrument covered by this manual are subject to change for improvement without notice. © 2012 A&D Company Ltd. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, or translated into any language in any form by any means without the written permission of A&D Company Ltd. Contents 1. 1-1. Introduction ......................................................................................................................................................2 Precautions..................................................................................................................................................2 2. Unpacking The Kit ............................................................................................................................................2 3. 3-1. 3-2. 3-3. 3-4. 3-5. Density Measurement Principles .....................................................................................................................3 Density.........................................................................................................................................................3 Specific Gravity............................................................................................................................................3 Archimedes’ Principle Of Density Measurement .........................................................................................3 Density Of A Solid........................................................................................................................................3 Density Of A Liquid ......................................................................................................................................3 4-1. 4-2. 4-3. 4-4. 4-5. 4-6. Error Factors ....................................................................................................................................................4 Buoyancy Of Air...........................................................................................................................................4 Volume Of Float...........................................................................................................................................4 Temperature Of Liquid.................................................................................................................................4 Influence Of Wire.........................................................................................................................................5 Surface Tension...........................................................................................................................................5 Bubbles........................................................................................................................................................5 5-1. 5-2. 5-3. Measuring The Density Of A Solid ...................................................................................................................6 Assembling The Kit: HR-AZ / HR-A Series..................................................................................................6 Assembling The Kit: FZ-i / FX-i Series......................................................................................................7 Measuring The Density Of A Solid...............................................................................................................8 6-1. 6-2. Measuring The Density Of A Liquid................................................................................................................10 Assembling The Kit:...................................................................................................................................10 Measuring The Density Of A Liquid ...........................................................................................................10 4. 5. 6. 7. Frequently Asked Questions .......................................................................................................................... 11 8. Water Resistant Digital Thermometer AD-5625..................................................................................................12 1 1. Introduction Thank you for purchasing the AD-1654 density determination kit. The AD-1654, when combined with one of A&D electronic balances (HR-AZ / HR-A and FZ-i / FX-i series), allows the density of a solid and liquid to be measured easily. Before using the AD-1654, please read this manual thoroughly and keep it at hand for future reference. 1-1. Precautions The kit allows the density of a solid or liquid to be measured. However, the results of measurements may be affected by various factors that could cause errors. Do not use the kit for measuring the density of chemically active substances. Ex.: strong acid, strong alkali solution. After using the density determination kit, clean all surfaces to remove rust and oxides. A balance is a precision instrument. Avoid shocks and excessive loads. Maintain the ambient temperature, samples and the kit at a constant temperature. Use the AD-1654 with A&D electronic balances (HR-AZ / HR-A and FZ-i / FX-i series). 2. Unpacking The Kit φ0.2 Float B44342 Density pan 1653-1 Wire B49799 Float hook C42200 Thermometer clamp 1-608-02 Density pan stand 4028902 with balance weight (φ50) φ71 mm FZ-i / FX-i 10mg Balance weight (φ71) 4030262 Liquid container PMP Beaker 3515503 Thermometer AD5625 Tweezers AD-1689 Beaker stand 3015239 φ34 mm FZ-i / FX-i 1mg Balance weight (φ34) 4030264 2 Spanner for Balance weight Kit box Stores the kit after use. 3. Density Measurement Principles 3-1. Density Density refers to the total mass of a sample per unit volume. ρ : Density of sample (g/cm3) M 3 ρ= (Unit: g/cm ) M : Mass (g) V V : Volume (cm3) 3-2. Specific Gravity Specific gravity refers to the ratio of the density of a sample to the density of pure water at 4°C under a pressure of 1013.25 hPa. ρ : Density of sample (g/cm3) M ρ= (No unit) M : Mass (g) V x ρ4 V : Volume (cm3) ρ4 : Density of water at 4°C (0.99997 g/cm3 ≈ 1.000 g/cm3) 3-3. Archimedes’ Principle Of Density Measurement The AD-1654 is combined with an electronic balance to measure the density of a sample based on the Arichimedes’ principle. Arichimedes’ principle A body immersed in a liquid (or a gas) is subject to an upward force equal to the weight of the liquid (or the gas) it displaces. The upward force is buoyancy. 3-4. Density Of A Solid The density of a solid can be obtained according to the weight of the sample in air, the weight of the sample in liquid and the density of the liquid. ρ : Density of sample (g/cm3) M ρ= × (ρ0 - d) + d A : Weight of sample in air (g) A-B B : Weight of sample in liquid (g) ρ0 : Density of liquid (g/cm3) d : Density of air (approx. 0.001 g/cm3) 3-5. Density Of A Liquid The density of a liquid can be obtained according to the weight of float in air, the weight of float in liquid and the known volume of float. ρ : Density of liquid (g/cm3) A-B ρ= +d A : Weight of float in air (g) V B : Weight of float in liquid (g) V : Volume of float (cm3) d : Density of air (approx. 0.001 g/cm3) 3 4. Error Factors The results of measurements may be affected by various factors that could cause errors 4-1. Buoyancy Of Air A density measurement is influenced by an upward force of 0.0010 to 0.0014 g/cm3 (buoyancy of air). The density of air can be obtained by the equation below: d : Density of air (g/cm3) 0.0012932 P d= × t : Air temperature (°C) 1 + 0.0036728 × t 1013.25 P : Atmospheric pressure (hPa) When measurement accuracy of three significant digits is necessary, consider the buoyancy of air, add 0.001 g/cm3 to the measured value to compensate for the error due to the air density. 4-2. Volume Of Float The tolerance of the measured value of the volume of the float is ±0.01 cm3. In liquid density measurement, the decimal places beyond the third decimal place of the measured value contain errors. When measurement accuracy to the third decimal place or beyond is necessary, measure the volume of the float using distilled water. V : Volume of float (cm3) A-B d= - 0.0035 A : Mass of float in air (g) ρ-d B : Mass of float in liquid (g) ρ : Density of distilled water at t °C (g/cm3) d : Buoyancy of air at t °C (g/cm3) 0.0035 : Correction value for the wire (diameter of 1 mm) of the density pan connecting the upper and lower pans (when the beaker provided with this kit is used) 4-3. Temperature Of Liquid The density of the liquid that is used for measuring the density of a solid varies with the liquid temperature. Therefore, the decimal places beyond the second decimal place of the measured value contain errors. Obtain the density of a liquid according to the temperature from Table 1 for distilled water or from other reference documents for other liquids. When measurement accuracy to the third decimal place or beyond is necessary, use a thermometer with a tolerance of ±0.2 °C or less. 4 4-4. Influence Of Wire In solid density measurement, the surface of the liquid rises when a solid sample is placed on the density pan, which is immersed in the liquid, At this time, the buoyancy corresponding to the weight of the raised liquid is exerted on the wire (diameter of 1 mm) connecting the upper and lower pans. If the surface of the liquid rises 1 mm, the buoyancy exerted on the wire is about 0.8 g/cm3. To minimize the error due to the buoyancy, select a sample with a smaller volume or correct the value by calculation. In liquid density measurement, a force (buoyancy ) is exerted on the wire (diameter of 0.2 mm) suspending the float, when immersed in the liquid. Immersing the wire by 10 mm exerts a buoyancy of about 0.3 mg on the wire. However, this buoyancy influence can be ignored. When obtaining the liquid density, the difference between the weight of the float in air and in water is divided by the volume of the float, as described in "3-5. Density of a Liquid". This calculation reduces the error due to buoyancy such that it is negligible. 4-5. Surface Tension In solid density measurement, a force (surface tension) of about 5 mg is exerted on the pan between the wire (diameter of 1 mm) of the density pan and the liquid surface. The surface tension can be reduced by about 1 mg by adding a surfactant (for example, a wetting agent used for developing photographs). Adding 0.1 mL (density: 1.2 g/cm3) of a surfactant to 200 mL of water will increase the density of water by about 0.0001 g/cm3. In liquid density measurement, a force (surface tension) of about 1 mg is exerted on the wire (diameter of 0.2 mm) suspending the float. However, this surface tension influence can be ignored. When obtaining the liquid density, the difference between the weight of the float in air and in water is divided by the volume of the float, as described in "6. Measuring The Density Of A Liquid". This calculation reduces the error due to surface tension such that it is negligible. 4-6. Bubbles The buoyancy of a bubble of 1 mm in diameter is about 0.5 mg. Bubble generation depends on the shape and material of the sample, so take care when making measurements. In solid density measurement, a surfactant may be added to reduce the influence of bubbles. 5 5. Measuring The Density Of A Solid Assemble the kit as described in the procedure below. Note that the assembly procedure depends on the balance model. 5-1. Assembling The Kit: HR-AZ / HR-A Series 1. Remove the weighing pan, pan support, breeze break ring and dust plate from the balance. 2. Fasten the balance weight (φ50) and spring washer to the density pan stand with the cone boss. (In the first time ,they are assembled in factory) Step 5. Thermometer clamp and Thermometer Step 1. Weighing pan Pan support Breeze break ring Step 4. Beaker stand Step 6. Beaker 3. Place the density pan stand on the balance. 4. Place the beaker stand so that it does not touch the density pan stand. 5. Attach the thermometer clamp to the beaker and insert the thermometer into the thermometer clamp. 6. Pour a liquid with a known density (such as distilled water) into the beaker and place the beaker on the beaker stand. 7. Place the density pan on the density pan stand. 8. Adjust the amount of the liquid so that the sample, when placed on the lower pan (in the liquid), is about 10 mm below the surface of the liquid. Step 7. Density pan 9. When the value displayed on the balance is stable, press the RE-ZERO key to set the displayed value to zero. Now the balance is ready for density measurement. Step 2. Balance weight Step 3. Density pan stand HR-AZ / HR-A series balances are equipped with a density mode to calculate the density of a solid. For details, refer to the instruction manual of HR-AZ / HR-A series. HR-AZ / HR-A Balance weight (φ50) 4030263 Density pan stand Spring washer and cone boss Fasten the balance weight and spring washer to the density pan stand with the cone boss. (Assembled in factory) 6 HR-AZ / HR-A series for density measurement 5-2. Assembling The Kit: FZ-i / FX-i Series 1. Remove the weighing pan, pan support and breeze break from the balance. 2. Fasten a proper balance weight and spring washer to the density pan stand with the cone boss. Mini. display Models Balance weight Number 10 mg FX-1200i, FX-2000i, FX-3000i, FX-5000i, FZ-1200i, FZ-2000i, FZ-3000i, FZ-5000i Balance weight(φ71) 4030262 1 mg FX-120i, FX-200i, FX-300i, FX-500i, FZ-120i, FZ-200i, FZ-300i, FZ-500i, Balance weight(φ34) 4030264 3. Place the density pan stand on the balance. 4. Place the beaker stand so that it does not touch the density pan stand. Step 5. Thermometer clamp and Thermometer Step 4. Beaker stand Step 6. Beaker 5. Attach the thermometer clamp to the beaker and insert the thermometer into the thermometer clamp. Step 1. Breeze break Weighing pan Pan support 6. Pour a liquid with a known density (such as distilled water) into the beaker and place the beaker on the beaker stand. 7. Place the density pan on the density pan stand. 8. Adjust the amount of the liquid so that the sample, when placed on the lower pan (in the liquid), is about 10 mm below the surface of the liquid. 9. When the value displayed on the balance is stable, press the RE-ZERO key to set the displayed value to zero. Now the balance is ready for density measurement. Step 7. Density pan Step 2. Balance weight Step 3. Density pan stand FZ-i / FX-i series Balance weight (φ71) or Balance weight (φ34) Density pan stand Spring washer and cone boss Fasten the balance weight and spring washer to the density pan stand with the cone boss. (Assembled in factory) 7 FZ-i / FX-i series for density measurement 5-3. Measuring The Density Of A Solid The density of a solid is obtained by averaging the measured values. 1. Start the measurement when water temperature becomes stable. 2. Press the RE-ZERO value to zero. key to set the displayed Sample in air Temperature key Step 2. The upper pan The lower pan Ex.: Display of HR-AZ Step 3. Value A 3. Place the sample on the upper pan in air and record the value A. Approx. 10 mm under liquid surface key Step 4. 4. Press the RE-ZERO value to zero. key to set the displayed Step 5. 5. Place the sample on the lower pan in liquid and record the value B. Keep the depth of approximately 10 mm under liquid surface. Value B Sample in the liquid 6. Obtain the density of water according to the temperature. (Refer to Table 1) Table 1 Density of distilled water Temperature °C +0 +1 +2 +3 +4 +5 +6 +7 +8 +9 0 0.99984 0.99990 0.99994 0.99996 0.99997 0.99996 0.99994 0.99990 0.99985 0.99978 10 0.99970 0.99961 0.99949 0.99938 0.99924 0.99910 0.99894 0.99877 0.99860 0.99841 20 0.99820 0.99799 0.99777 0.99754 0.99730 0.99704 0.99678 0.99651 0.99623 0.99594 30 0.99565 0.99534 0.99503 0.99470 0.99437 0.99403 0.99368 0.99333 0.99297 0.99259 40 50 0.99222 0.98804 0.99183 0.98758 0.99144 0.98712 0.99104 0.98665 0.99063 0.98618 0.99021 0.98570 0.98979 0.98521 0.98936 0.98471 0.98893 0.98422 0.98849 0.98371 60 0.98320 0.98268 0.98216 0.98163 0.98110 0.98055 0.98001 0.97946 0.97890 0.97834 70 0.97777 0.97720 0.97662 0.97603 0.97544 0.97485 0.97425 0.97364 0.97303 0.97242 80 0.97180 0.97117 0.97054 0.96991 0.96927 0.96862 0.96797 0.96731 0.96665 0.96600 90 0.96532 0.96465 0.96397 0.96328 0.96259 0.96190 0.96120 0.96050 0.95979 0.95906 At sea level (1 atmosphere), the density of water reaches maximum at 3.98 °C. Unit: g/cm3 7. Use the following equations to obtain the density. Three significant digits: ρ : Density of sample (g/cm3) A ρ= × ρ0 A : Value A : Weight of sample in air (g) |B| B : Value B : | Weight of sample in air - Weight of sample in liquid | (g) Four or more significant digits: ρ0 : Density of liquid (g/cm3) M ρ= × (ρ0 - d) + d d : Density of air (approx. 0.001 g/cm3) |B| 8 Example of recording sheet Value A : Weight of sample in air (g) Value B : | Weight of sample in air - Weight of sample in liquid | (g) 4.8102 g Temperature of liquid (°C) 26. °C 0.5946 g Density of liquid (g/cm ) Weight of sample in air ρ= × Density of liquid (g/cm3) Weight of sample - Weight of sample in air in liquid 0.99678 g/cm3 Value A : Weight of sample in air (g) Value B : | Weight of sample in air - Weight of sample in liquid | (g) 4.8102 g Temperature of liquid (°C) 26. °C 3 8.06 g/cm3 (Calculated) 0.5946 g Density of liquid (g/cm ) 0.99678 g/cm3 Atmospheric pressure (hpa) 1013 hpa 3 3 Density of air (g/cm ) Weight of sample in air ρ= × ( Density of liquid - Density of air ) + Density of air (g/cm3) Weight of sample - Weight of sample in air in liquid 9 0.0012 g/cm3 8.055 g/cm3 (Calculated) 6. Measuring The Density Of A Liquid Assemble the kit as described in the procedure below. 6-1. Assembling The Kit: 1. For the procedure up to the setting of the beaker stand, refer to the assembly procedure for each balance model described in "5.Measuring The Density Of A Solid". The volume of the float is printed. Ex:10.00 cm3 Approx. 30 mm Step 4. 2. Attach the thermometer clamp to the beaker and insert the thermometer into the thermometer clamp. 3. Place the beaker on the beaker stand. 4. Connect the float to the float hook using the wire. The length of wire must be approx. 30 mm. Step 5. 5. Hook the float hook on the density pan stand. 6. When the value displayed on the balance is stable, press the RE-ZERO key to set the displayed value to zero. Now the balance is ready for density measurement. 6-2. Example of the assembled HR-AZ series Measuring The Density Of A Liquid Temperature Use the following procedure to obtain the density of a liquid. 1. With the float hanging, press the set the displayed value to zero. RE-ZERO key to Float in air 2. Pour the liquid of which you want to measure the density into the beaker. Make sure that the float is about 10 mm below the surface of the liquid. 3. When the value displayed on the balance is stable, record the value A ignored the minus sign. 4. Use the following equations to obtain the density of the liquid. ρ= |A| V +d ρ A V d key Step 1. Step 2. Approx. 10 mm under liquid surface Ex.: Display of HR-AZ Step 3. Value A Float in liquid : Density of liquid (g/cm3) : | Weight of float in air - Weight of float in liquid | (g) : Volume of float (cm3) : Density of air (approx. 0.001 g/cm3) 10 Example of recording sheet Value A : | Weight of float in air - Weight of float in liquid | (g) 9.9704 g Temperature of liquid (°C) 25 °C Volume of float (g/cm3) 10.01 cm3 Density of air (g/cm3) Weight of float - Weight of float in air in liquid ρ= Volume of float 0.001 g/cm3 0.997 g/cm3 (Calculated) 3 + Density of air (g/cm ) 7. Frequently Asked Questions Questions Answers Use a liquid that has a lower density than water and does not I’d like to measure the density of a resin pellet dissolve the sample, such as methanol (density 0.798) or kerosene or sheet, which floats in water. Is it possible? (density 0.80). The density of the liquid used is measured using the float provided with the kit. Can a sample containing bubbles be measured? The density of a sample with bubbles can be measured as it is. But as time passes, the bubbles disappear and the apparent density may change. A sample that floats in water due to the low density can not be measured. The measurement repeatability may be affected by the water’s surface tension. What can I do about this? A few drops of a surfactant (for example, a mild detergent for washing dishes) added to the water reduce the influence of surface tension. A few drops of a surfactant will affect the liquid density only a very small amount. When methanol is used in place of water, the influence of surface tension is small, even without a surfactant. When tap water is used, bubbles are gradually generated on the sample surface and a measurement error occurs. What can I do about this? Tap water contains dissolved gases such as oxygen and carbon dioxide. When tap water is used, the released dissolved gases generate bubbles. It is recommended that pure water or distilled water, which contains few dissolved gases, be used. When I try to measure a highly water- repellent Before measurement, soak the sample in the water with an material such as rubber, bubbles stick to the appropriate amount of surfactant added. Doing this increases the sample. What can I do about this? sample surface hydrophilicity and makes it more difficult for bubbles to stick to the sample surface. Up to what size of sample can be measured? In consideration of the density pan size, the maximum sample size that can be measured is: Diameter φ25 mm, Height 30 mm, Mass 100 g Can I measure the density of a liquid with a high viscosity? A liquid with a viscosity up to 500 mPa·s can be measured. If the viscosity exceeds this value, the float takes excessive time to sink and a measurement error occurs. Measuring adhesive is not recommended because the adhesive sample may be difficult to remove from the float. Does using a semi-micro balance improve accuracy? The effects of surface tension cause errors in the measurement value of around 0.2 to 1.0 mg. In measurement using the 0.1 mg range, the magnitude of error and the level of balance accuracy are almost the same. In measurement using the 0.01 mg range, the magnitude of error greatly exceeds the level of balance accuracy, so using a semi-micro balance is not recommended. 11 8. Water Resistant Digital Thermometer AD-5625 Safety Use Consider the following notices when operating the thermometer. Caution Repair and Arrangement Authorized person can only repair the AD-5625. Do not open the case to repair the AD-5625. Attempting repairs yourself may cause damage to the AD-5625. Damage caused by attempting to do the repair yourself will void the warranty. Malfunction When the AD-5625 malfunctioning, stop the use and remove the batteries. Contact the local A&D dealer if the AD-5625 needs service or repair. Cautions Do not drop the AD-5625. Avoid mechanical shock to the AD-5625. Do not install the scale where flammable or corrosive gas is present. Do not install the AD-5625 into underwater for long time and into extreme high temperature and low temperature. The AD-5625, has case of double structure, can prevent from invading water. Features The features of the AD-5625 is as follows: Waterproof class is IPX7. The AD-5625 is washable. With the φ2.8 sensor sheath, the AD-5625 can measure temperature of gas, liquid and can use for internal temperature measurement of solid. The maximum temperature and minimum temperature are stored automatically and can be read after measurements. The refresh rate of temperature measurement can be changed with button. The temperature range is from -50 °C to 260 °C. The automatic power-off function that turns off the AD-5625 left in the measurement is installed in. The sheath folder to keep the sensor sheath is included in accessory. Names LCD ON/FAST AUTO-OFF MAX/MIN Battery cover, Battery (LR44) button button Ring button Sensor sheath Sheath folder Part of temperature detection 12 Precautions The thermometer includes a monitor battery. Refer to "Replacing the battery" before a measurement, open the battery cover and install the battery. When installing the battery, a current temperature is displayed. The accessory battery is for an operation monitor and may be short battery life. Replacing The Battery A coin battery (LR44) is used. When displaying faint characters, replace the battery as follows: 1. Turn over the AD-5625. Turn the battery cover in a counterclockwise and remove it. Step 1. Ex.: a coin. Rotate the battery cover. 2. Remove an old battery. Battery cover Step 3. New battery (LR44). 3. Install the battery so that its plus side (+, flat side) is upper face. 4. Reattach the battery cover and turn it in clockwise. Caution Be sure to face the + side up when installing a battery. Use the specified battery (LR44) only. Do not disassemble, heat, short-circuit, dispose of in fire or attempt to recharge the battery. It may explode or leak and cause personal injury. Keep the battery out of the reach of children. If swallowed, consult a physician immediately. Follow the local regulations when disposing of a used battery. To keep the thermometer watertight, do not damage the rubber ring or remove it from the battery compartment. Display Mode The thermometer has three display modes. Displaying mode Display example Current temperature mode Displays the current temperature. The maximum temperature The maximum / minimum temperature mode Displays the latest maximum and minimum temperatures that are automatically stored in the thermometer. Automatic power-off function Turns the power off automatically after six or seven minutes of no operation. 13 The minimum temperature AUTO Measuring The Temperature Follow the procedure below to measure the water temperature. 1. Remove the sheath folder form the sensor sheath. 2. Press the ON/FAST button to turn on AD-5625. 3. Sink the sheath sensor into the liquid. Sensor sheath 4. Press and hold the ON/FAST response of temperature change. Liquid surface button to get the rapid 5. When detecting the temperature of liquid, the thermometer displays current value. Then measurement value stabilizes. If the ON/FAST button is not pressed and held, the display of temperature change is normal response. Part of temperature detection Caution The thermometer detects the temperature at the tip of the sensor sheath. Do not expose parts of the thermometer other than the sensor sheath to the high or low temperature of the test liquid. Recalling The Maximum And Minimum Temperatures Stored In Memory The thermometer automatically stores the maximum and minimum temperature. They can read with the following procedure after measurements. Current temperature With the current temperature is displayed, the maximum and minimum temperature and the current temperature are displayed in order when pressing the MAX/MIN button. Press the MAX/MIN button The maximum temperature Reset the memory of the maximum and minimum temperature before the measurement when using the maximum and minimum temperature in the measurement. Refer to "Resetting The Maximum And Minimum Temperatures Stored In Memory" for resting them. Press the MAX/MIN button The minimum temperature Press the MAX/MIN button Resetting The Maximum And Minimum Temperatures Stored In Memory The way to rest the memory of the maximum and minimum temperature is as follows: Refer to "Recalling The Maximum And Minimum Temperatures Stored In Memory" for reading them. Resetting The Maximum Temperature Resetting The Minimum Temperature Display the maximum temperature. Display the minimum temperature. Press the ON/FAST button Press the ON/FAST button Store the current temperature to the maximum temperature. Store the current temperature to the minimum temperature. Returning To The Current Temperature Display Display the minimum temperature. Press the ON/FAST button The current temperature. 14 The Automatic Power-Off Function And Turing Off Thermometer The Automatic Power-Off Function The thermometer has an automatic power-off function. When pressing the AUTO-OFF button during the measurement display, the indicator "AUTO" is displayed and the automatic power-off function is performed. When no operation is performed for six or seven minutes, the thermometer is turned off automatically. Turing Off Thermometer When turning off the thermometer immediately from the mode displaying the indicator "AUTO", press the AUTO-OFF button twice. The Way Of Use Concerning The Ring Sheath folder Ring The thermometer can hold with the ring of the sheath folder. when supporting the thermometer with the ring, insert the sensor sheath into the ring. Sensor sheath Cleaning And Keeping Clean the sensor sheath for accurate temperature measurement and keep it. Cleaning The Thermometer With Water The thermometer is water-resistant type. When cleaning heavy dirt, clean the thermometer with a cloth moistened with water and a mild detergent softly. Specifications Sensor Measuring temperature range Display resolution Accuracy : : : : Sampling interval : Water protection : Power source, Battery life Operating environment Storage environment Sensor sheath dimensions Dimensions, mass Standard accessory : : : : : : Thermistor -50 to 260 °C 0.1 °C ±1.0 °C (0 to 60 °C), ±2.0 °C (-20 to 100 °C) ±2.5 °C (-50 to 100 °C), ±3.0 °C (-50 to 150 °C) ±3.5 °C (-50 to 200 °C), ±4.0 °C (other) Regular every 10 seconds FAST every 2 seconds JIS IPX7 (Endures a 30-minute immersion in a water depth of 1 meter at room temperature) LR44 1piece, approx. 1 year 0 to 40 °C, 75 %RH or less, non-condensing (Excluding the sensor sheath) 0 to 50 °C, 75 %RH or less, non-condensing φ2.80, approx. 110 mm 176 ×40 ×16 mm, approx. 25 g (including the battery and sheath protector) This instruction manual, sheath protector, battery 15 16 3-23-14 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013 Telephone: [81] (3) 5391-6132 Fax: [81] (3) 5391-6148 JAPAN A&D ENGINEERING, INC. 1756 Automation Parkway, San Jose, California 95131 U.S.A. Telephone: [1] (408) 263-5333 Fax: [1] (408)263-0119 A&D INSTRUMENTS LIMITEDUnit 24/26 Blacklands Way, Abingdon Business Park, Abingdon, Oxfordshire OX14 1DY United Kingdom Telephone: [44] (1235) 550420 Fax: [44] (1235) 550485 A&D INSTRUMENTS LIMITED Große Straße 13 b 22926 Ahrensburg Deutschland Telefon: [49] (0) 4102 459230 Telefax: [49] (0) 4102 459231 A&D Australasia Pty Ltd. 32 Dew Street, Thebarton, South Australia 5031 AUSTRALIA Telephone: [61] (8) 8301-8100 Fax: [61] (8) 8352-7409 A&D KOREA Limited 한국에이.엔.디(주) 대한민국 서울시 영등포구 여의도동 36-2 맨하탄 빌딩 8층 ( 8th Floor, Manhattan Bldg. 36-2 Yoido-dong, Youngdeungpo-ku, Seoul, KOREA ) 전화: [82] (2) 780-4101 팩스: [82] (2) 782-4280 A&D RUS CO., LTD. Компания ЭЙ энд ДИ РУС 121357, Российская Федерация, г.Москва, ул. Верейская, дом 17 ( Bldg. 17, Vereyskaya st., Moscow, 121357 RUSSIAN FEDERATION ) тел.: [7] (495) 937-33-44 факс: [7] (495) 937-55-66 A&D Instruments India Private Limited ( 509, Udyog Vihar, Phase- , Gurgaon - 122 016, Haryana, India ) : 91-124-4715555 : 91-124-4715599 BackCover 1WMPD4000058J
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