Oakton ORPr® 50 Pocket Er Operating Instructions Orp R
User Manual: Pdf oakton orp r 50 instructions
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Operating Instructions ORP Calibration User Reset Calibration should be done regularly, preferred once in a week. ORP tester allows one point calibration. Reset the ORP calibration to the default using the user reset function. 1. Press ON/OFF ( ) to power on if needed. ORPTestr® 50 Pocket Tester 2. D ip electrode in about 2 cm to 3 cm into the calibration standard solution. 3. P ress the CAL/ESC key to enter calibration mode. The CAL indicator will be displayed. Applications • Aquaculture • Aquariums • Boilers • Car washes • Ecology • Spas • Studies •W ater and wastewater treatment ater quality testing •W in pools and more • Food sectors • Hydroponics • Labs • Sanitation plants • Steam generators Getting Started The ORPTestr 50 Pocket Tester has been factory calibrated and usually works well out of the box. However, after extended periods of non-use, it is best to remove the sensor cap and soak the sensor in warm tap water or ORP buffer for 10 minutes or so. A brief rinse with deionized (DI) water is OK, but avoid soaking or storing in deionized water as this will shorten ORP electrode life. Prior to taking the measurements, periodic calibration with certified standards is recommended for best accuracy. 4. A llow the reading to stabilize. The timer icon blinks during the reading stabilization. Once the reading stabilized the timer stops blinking. ower display shows current measured mV with last calibration (if no 6. L calibration is performed earlier both display shows the same measurement value). 7. Press MENU/v to adjust the mV value to match the calibration standard value. 8. Press HOLD/ to confirm the calibration or press CAL/ESC key to exit the calibration without confirmation. CAL CAL cal esc Place the tester in the buffer to start or press to escape. cal esc 189 189 1. Press ON/OFF ( ) to power on if needed. 1. Press ON/OFF ( ) to power on if needed. 4. Scroll down by pressing MENU/v to toggle between °C and °F. 5. Press HOLD/ to select a temperature unit. The display shows the selected temperature setting with a . menu Key Info hold Temp Set Set °C/°F Accept HOLD Backlight Temp Cal EXIT Reset CAL hold hold MENU Scroll °C °C °F RmV 844 25.0°C 2. P ress MENU/v to enter setup window. Scroll down by pressing MENU/v to select Backlight. Press HOLD/ to select Settings. The display shows Backlight. 3. Press HOLD/ to select Backlight. The display shows ON and OFF. For Sales & Service Contact 4. Scroll down by pressing MENU/v to toggle between ON and OFF. Backlight ON increases readability in low-light conditions. 5. P ress HOLD/ to select the desired backlight option. The display shows the selected backlight option with a . menu Key Info MENU Temp Set Accept HOLD Backlight Scroll EXIT hold hold CAL Reset 1065O100_MAN_35634-45.indd 1 hold Backlight Backlight ON OFF OFF Scroll EXIT hold hold MENU Accept HOLD CAL Temp Set hold User Reset Settings Reset No Factory Reset Yes Factory Reset Reset the tester to the factory default using the factory reset function. 1. Press MENU/v to enter setup window. Scroll down by pressing the MENU/v to select Reset. Press HOLD/ to select Reset. The display shows User Reset and Factory Reset. menu 2. D ip the electrode about 2 cm to 3 cm into the test solution. Stir and let the reading stabilize. The timer icon blinks during this time. Once the reading is will appear to indicate the stability stabilized, the timer stops blinking and of the reading. CAUTION: Testing dry samples is not accurate and can lead to sensor damage or breakage. Soils must be wet and free of particulates that may scratch the glass sensor. Excessive force into dry samples can cause glass breakage. Key Info menu 4. Press HOLD/ to confirm either No or Yes. The display shows the factory reset option with a . ORP RmV 844 25.0°C 4. P ress ON/OFF ( ) for 3 seconds to turn off tester. If a key is not pressed for 8.5 minutes, the tester will automatically shut off to conserve batteries. 1. Press ON/OFF ( ) to power on if needed. 4. Press HOLD/ to confirm either No or Yes. The display shows the user reset option with a . 3. Scroll down by pressing MENU/v to toggle between No and Yes. 3. Note the ORP value or press HOLD/ to freeze the reading. To release the reading, press HOLD/ again. Backlight Settings 3. Scroll down by pressing MENU/v to toggle between No and Yes. 2. S croll down by pressing the MENU/v to toggle between the resets. Press HOLD/ to select Factory Reset. The display automatically shows No and Yes. CAL mV ORP Measurement 3. Press HOLD/ to select Set °C/°F. Display automatically shows °C and °F. 2. Press HOLD/ to select User Reset. The display automatically shows No and Yes. 5. U pper display shows current measured value based on the factory default. Temperature Settings 2. P ress MENU/v to enter setup window. Press HOLD/ to select Temp Set. The display shows Set °C/°F and Temp Cal. 1. Press MENU/v to enter setup window. Scroll down by pressing MENU/v to select Reset. Press HOLD/ to select Reset. The display shows User Reset and Factory Reset. Key Info Scroll Accept HOLD EXIT hold hold MENU Temp Set User Reset Settings Factory Reset Reset CAL hold No Yes Manual Temperature Setting The MTS range is 0°C to 60.0°C (32.0°F to 140.0°F). User reset will set temperature to default value 25°C or 77°F. 1. Press MENU/v to select setup window. Scroll down by pressing MENU/v to select Temp Set. Press HOLD/ to select Temp Set. The display shows Set °C/°F and Temp Cal. 2. Scroll down by pressing MENU/v to toggle between Set °C/°F and Temp Cal. Press HOLD/ to select Temp Cal. 3. T he lower display shows the current measured temperature reading based on the last set offset and the upper display shows the current measured temperature reading based on factory default calibration. 4. Dip the tester into a solution of known temperature and allow time for the built-in temperature sensor to stabilize. 5. P ress MENU/v to adjust the temperature value or press the HOLD/ to confirm the calibrated value as new temperature value of the solution. Note: To exit without confirming the calibration, press CAL/ESC. 2650 E. 40th Ave. • Denver, CO 80205 Phone 303-320-4764 • Fax 303-322-7242 1-800-833-7958 menu Key Info Scroll Accept HOLD EXIT hold hold MENU CAL Temp Set Backlight Reset Set °C/°F Temp Cal hold Temp Cal 23.4°C 23.4°C 23.4°C www.geotechenv.com 9/5/2017 3:04:37 PM HOLD Function 1. Press HOLD/ button to freeze the measurement. mV mV hold RmV 189 mV 189 25.0°C Self-Diagnostic Messages Replacing the Batteries This feature helps to freeze the display for a delayed observation. 2. P ress HOLD/ again to release the measurement. mV RmV mV hold 189 Press Hold Press Hold RmV to release to release 189 25.0°C 25.0°C 25.0°C Sensor Maintenance 1. R inse the sensor with sensor storage solution after each measurement. Care has to be taken not to damage the sensor’s glass electrode. 2. In aggressive chemicals, dirty or viscous solutions, and solutions with heavy metals or proteins, take readings quickly and rinse electrode immediately afterward. 3. If possible, keep a small amount of clean water or electrode storage solution (NOT de-ionized water) in sensor cap to keep sensor hydrated. Sensor Replacement Replace the sensor module at the fraction of the cost of a new tester. When the tester fails to calibrate or gives fluctuating readings in calibration standards, need to change the electrode. 1. With dry hands, grip the ring with sensor facing you. Twist the ring counterclockwise. Save the ring for later use. 2. Pull the old sensor module away from the tester. 3. Align the four tabs on the new sensor module so that they match the four slots on the tester. 4. Gently push the module onto the slots to sit it in position. Push the smaller O-ring fully onto the new sensor module. Push the other O-ring over the module and thread sensor ring into place by firmly twisting clockwise. Note: It is necessary that you recalibrate the tester prior to measurement after a sensor replacement. The pH tester 50 uses four AAA 1.5 V batteries. 1. T o remove the battery cover, See Figure 1. Clear the front catch and then the back catch, before sliding the cover off. Batteries are weak and need replacement soon. stable error Fig. 1: Removing battery cover Fig. 2: Push to unlock 2. T o remove the battery plate, push the center tab towards the front of the tester as shown in Figure 2. Once unlocked, remove the plate to access the batteries. 3. Invert the tester upside down to remove the batteries. Each side uses two AAA batteries. Orient each battery with positive terminal facing downward. 4. To lock the battery plate, align the small tabs (Figure 3) into the guide ribs on the housing and then press down. See Figure 4. over range under range Appears when calibration is attempted but the reading is not yet stable. Wait for the reading to stabilize or manually confirm the calibration by pressing enter. The reading is above the measuring range of tester. The reading is below the measuring range of tester. Specifications Fig. 3: Align tabs Fig. 5: Battery plate unlocked Fig. 4: Push down to lock Fig. 6: Battery plate locked Warranty This instrument is supplied with a warranty against manufacturing defects for a period of one year from the date of purchase. Return of Items Authorization must be obtained from distributor before returning items for any reason. When applying for authorization, please include information regarding the reason the item(s) are to be returned. We reserve the right to make improvements in design, construction and appearance of products without notice. Prices are subject to change without notice. Specifications ORP/RMV ORP range Resolution Relative accuracy Calibration points Calibration window Calibration type Temperature Temperature range Temperature resolution Temperature accuracy Temperature compensation Temperature calibration window General Specifications Display Backlight Auto off Reset Power requirement Battery life Waterproofing Regulatory certifications Ambient operating temperature Relative humidity Storage temperature Storage humidity ORPTestr 50 –1000 to 1000 mV ±1 mV ±2 mV ±1 LSD One ±200 mV Offset 0 to 60°C / 32.0 to 140.0°F 0.1°C / 0.1°F NA Manual 0 to 60.0°C / 32.0 to 140.0°F Graphics, dot matrix 80 x100 pixel Yes, selectable (30 sec from last key press) 8.5 minutes (from last key press) User / factory Four AAA 1.5 V batteries >250 hours IP67 CE, FCC 5 to 45°C / 41 to 113°F 5% to 85% noncondensing –20 to 60°C 5% to 85%, noncondensing Accessories Ordering Code 35634-45 35634-47 35634-09 09376-00 17101-45 05478-60 Product Description ORPTestr 50 pocket tester with case, lanyard, and batteries Replacement sensor module Replacement sensor cap Replacement alkaline batteries; AAA, 1.5 V. Pack of 12 NIST-traceable calibration with data for pH testers YSI® Zobell solution www.4oakton.com 1065O100_MAN_35634-45 1065O100_MAN_35634-45.indd 2 August, 2017 9/5/2017 3:04:41 PM
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