ATP Instrumentation MT-913 User manual

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Operation Instructions
Power on/off:
Press“ ” to power the meter on/off.
Data Hold:
Whilst in measurement mode, press “ ”, the LCD display will clearly
display “HOLD” which indicates the data is frozen, to release the held
reading. Press the “ ” button again the release the reading.
MAX/MIN:
Whilst in measurement mode, press“ ”，to cycle through the maximum
or minimum recorded measurements. The LCD display will clearly display
“MAX”, or “MIN” to indicate the displayed value. Press and hold “ ” to
exit MIN/MAX mode and return to normal measurement mode.
Unit:
Whilst the meter is turned on，press“ ”，it can select temperature, dew
point temperature and wet bulb temperature in turn.
°C / °F Mode:
Whilst the meter is turned off, press and hold “ ” and press “ ”. The
unit will power on with the temperature unit (°C/°F) toggled.
Auto Power Off
Whilst the meter is turned off, press and hold “ ” and press “ ”. The
unit will turn on with the auto power off feature toggled off.
Note: If the icon is displayed, the auto power off feature is enabled.
Additional Notes
1) Recommended recalibration cycle: 1 year.
2) Remove the battery when the meter is to be stored for long periods of time to avoid
battery leakage.
3) When the battery is low，the low battery indicator will appear.
A new battery is needed.
This unit complies with EMC
ATP INSTRUMENTATION LTD
THE ONE STOP INSTRUMENT SHOP
WWW.ATP-INSTRUMENTATION.CO.UK
Sales: 01530 566800 Technical: 01530 566804
UNIT 22 Tournament Way, Ashby-De-La-Zouch, Leicestershire, LE65 2UU
MINI COLOUR LCD HUMIDITY & TEMPERATURE METER
MT-913
USER MANUAL
Important Safety Notice
Read the following safety information carefully before attempting to operate or service the
meter. Use the meter only as specified in this manual; otherwise, the protection provided by
the meter may be impaired.
Environmental Operating Conditions
Humidity:
≤ 90% RH (Non-condensation)
Operating temperature:
-20 to 60°C / -4 to140°F
Maintenance
Repairs or servicing not covered in this manual should only be performed by qualified
personnel.
Wipe the unit with a dry soft cloth. Do not use abrasives or solvents on this instrument.

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Application
This meter is widely used to measure the temperature and humidity of storage rooms, metro,
libraries, commercial centers etc.
Features
•Imported high accuracy humidity
&temperature sensor ,high accuracy, fast
response
•Color LCD display with backlight
•Temperature unit selection：℃/℉
•MAX/MIN
•HOLD
•Dew point temperature
•Wet bulb temperature
•Enable/Disable auto power off
•Over range indication
•Low battery indication
Specifications
Humidity
Range：0 to 100%RH
Range
Accuracy
Resolution
45to 75%RH
±3.0%RH
0.1
Others
±4.5%RH
Temperature
Range
Accuracy
Resolution
-20°C to 0℃/-4°F to 158°F
±1.0°C / ±1.8°F
0.1
Dew point temp.
20°C to 70°C /-4°F - 158°F
±1.5°C / ±2.7°F
0.1
Remark: Accuracy is based on environment condition of 25℃;
40%RH to 100%RH
Wet bulb temp.
20°C to 70°C / -4°F to 158°F
±1.5°C / ±2.7°F
0.1
Data update
0.5S
Enable/disable
auto power off
The meter shuts off automatically after 15 minutes of inactivity. Auto
power off can be disabled
Operating conditions
-20°C to 60°C, -4°F to 140°F,10%RH to 90%RH
Storage conditions
-20°C to 60°C, -4°F to 140°F,10%RH to 75%RH
Power supply
3 x 1.5V “AAA” batteries
Battery life
at least 50 hours
Dimensions
168 x 56 x 30.5mm
Weight
75g
Meter description
1. Temperature and humidity sensor
2. Color LCD display
3. Hold button
4. Power on/off button
5. MAX/MIN button
6. Mode selection button
7. Battery cover
8. Nameplate
LCD display description
1. Data hold Icon
2. Auto power off Icon
3. Temperature reading
4. Dew point temperature units icon
5. Wet bulb temperature units icon
6. Humidity reading
7. Humidity unit icon
8. Temperature unit icon
9. low battery Icon
10. MAX/MIN
Accessories
1. User Manual
2. 3 x 1.5V AAA Battery