MT 903 Manual

MT-903%20Manual

User Manual: Pdf

Open the PDF directly: View PDF PDF.
Page Count: 2

DownloadMT-903-Manual
Open PDF In BrowserView PDF
User Manual
Mini Humidity & Temperature Meter

2. Introduction
The Humidity & Temperature Meter has a high accuracy Humidity & Temperature sensor, providing high
accuracy, fast response and stable readings.

3. Application
This meter is ideal for measurement of temperature and humidity in environmental applications, and is ideally
suited for taking measurements in an air stream.

4. Specifications
Measuring
Accuracy

Resolution

Range
20%～40%RH : ±3.0%
Humidity

40%～60%RH: ±2.5%
0%～100%RH

60%～80%RH: ±3.0%

0.1%RH

0%～20%RH
80%～100%RH: ±3.5%

Please read this user manual thoroughly before using
the unit and keep it for your future reference

-30℃～-10℃（-22℉～14℉）:
Temperature

-30℃～70℃
-22℉～158℉

±1.0℃（±1.8℉）
-10℃～70℃（14℉～158℉）:
±0.5℃（±0.9℉）

Response Time

1 second

Sampling Rate

2 times per second

Read the following safety information carefully before attempting to operate the meter.

Working Temp.

-30℃to 60℃

Use the meter only as specified in this manual; otherwise, the warranty may be invalidated.

Power Resource

9V battery

 Environment conditions:

Dimension(L*W*H)

165 x 55 x 38mm

Altitude up to 2000 meters

Weight

88g

1.

Safety

RH≤90％（Non-Condensation）
Operating Temperature: -20～60℃

5. Meter Description

 Maintenance
1. Temperature & Humidity sensor
Repairs or servicing should only be performed by ATP Instrumentation Ltd.
2. LCD display
Cleaning: Wipe the unit with a dry soft cloth. Do not use abrasives or solvents on this instrument.
3. Power ON/OFF button
 Safety Symbol
4. MAX/MIN button
Comply with EMC

5. Tripod nut
6. Battery cover

0.1℃

6. LCD Display Description

(9)

Calibration

1. Low battery indication

The recommended calibration period is one year.

2. MAX/MIN icon

8. Notes

3. Humidity icon

①

This meter has already been calibrated before delivery.

4. Humidity reading

②

Repairs or servicing should only be performed by ATP Instrumentation Ltd.

5. ℃/℉ temperature icon

③

Remove the battery when the meter is to be stored for long periods of time to avoid battery leakage.

6. Temperature reading

9. Accessories

7. Auto power off icon
8. Hold icon

①

User manual

②

9V battery

7. Operation Instruction
(1)
(2)

Open battery cover and install a 9-volt battery in the battery compartment.
Power ON：Turn the meter on by pressing "

" button for 1 second until the LCD is lit, then release

the button.
(3)

Power OFF：Turn the meter off by pressing and holding "

" button for approx. 3 seconds until the

LCD is switched off, then release the button.
(4)

When the low battery icon "

(5)
(6)

" appears, replace the meter's battery.

Auto power off icon, the meter will automatically turn off after approx. 15 minutes of inactivity.
LCD Backlight: After turning the meter on, momentarily press the "

" button, the backlight will

ATP Instrumentation Ltd

come on; it will automatically turn off after approx. 30 seconds of inactivity.
(7)

Tournament Way

Hold & MAX/MIN Function

Ivanhoe Industrial Estate

HOLD: After turning the meter on, press "

Ashby-de-la-Zouch

" button. The "HOLD" icon will appear on the LCD,

Leicestershire
which indicates the data is frozen. To release the held reading, press the button again.

MAX/MIN: Press and hold "

LE65 2UU

" button for at least 3 seconds until "MAX" icon appears on the
Sales: 01530 566 800

LCD to view the MAX reading since power on; press the button again, the "MIN" icon appears on the
LCD to view the MIN reading since power on. To exit the MAX/MIN mode, press and hold the button

"
(8)

" for 3 seconds.

℃/℉ temperature units
In the OFF mode, press and hold the "

" button, then power the meter on, after the LCD

displays, release the button, the temperature units ℃/℉ will alternate.

sales@atp-instruments.co.uk

Repair and Calibration: 01530 566 804
www.atp-instrumentation.co.uk

technical@atp-instruments.co.uk
Source Exif Data: 
File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.5
Linearized                      : No
Page Count                      : 2
Page Layout                     : OneColumn
Page Mode                       : UseNone
Producer                        : doPDF Ver 7.2 Build 370 (Windows 7 Business Edition (SP 1) - Version: 6.1.7601 (x86))
Create Date                     : 2014:05:01 16:36:15Z
EXIF Metadata provided by EXIF.tools

Navigation menu