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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 light levels. 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:
With the meter turned on, press “ ” to toggle between measurement
units, from m/s, km/h, MPH, ft/min. Knots 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.
4) Do not store or operate the meter in high temperature or humidity.
5) Wind blowing across the microphone increases the noise measurement. Use the
supplied windscreen to cover the microphone when appliance.
6) Keep the microphone dry and avoid severe vibration.
7) Working in strong magnetic environment will affect the measuring accuracy.
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 THERMO-ANEMOMETER
MT-915
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
Based on high-speed and high-precision MCU calculation, this anemometer can provide fast
and accurate measurement. It is designed for air velocity and temperature measurement
including, quality control and health and safety. It is widely used in applications such as
constructional-engineering, factories, schools, public transport, etc.
Features
• High accuracy, fast response
• Color LCD display with backlight
• Air velocity and temperature
measurement
• MAX/MIN/Data Hold
• Selectable measurement units: m/s,
ft/min, MPH, km/hr or knots
• Over range indication
• Low battery indication
• Enable/Disable auto power off
Specifications
Air Velocity Range
Resolution
Accuracy
0.4 ～ 30.0 m/s
0.1 m/s
±( 3% + 0.3 m/s )
1.4 ～ 108 Km/h
0.1 Km/h
±( 3% + 1.0 Km/H )
0.9 ～ 67.0 MPH
0.1 MPH
±( 3% + 0.4 MPH )
0.8 ～ 58.0 knots
0.1 knots
±( 3% + 0.4 knots )
80 ～ 5900 ft/min
1.0 ft/min
±( 3% + 40 ft/min )
Temperature Range
-20°C to 70°C / -4°F 158°F
Temperature accuracy
±1.5°C, 2.7°F
Resolution
0.1
Data update
300ms
Battery life
Around 60 hours
Enable/Disable
Auto power off
The meter shuts off automatically after 15 minutes.
Auto power off can be disabled.
Power supply
3 x 1.5V “AAA” batteries
Operating conditions
Temp: -20°C to 60°C /-4°F to 140°F
Humidity: 10%RH to 90%RH
Storage conditions
Temp: -20°C to 60°C /-4°F to 140°F,
Humidity: 10%RH to 75%RH
Dimension
178.5 x 56 x 30.5mm
Weight
84g
Meter description
1. Vane sensor
2. LCD display
3. Hold key
4. Power On/Off key
5. MAX/MIN key
6. Unit conversion key
7. Battery compartment
8. Nameplate
LCD display description
1. Data hold Icon
2. Auto power off Icon
3. Temperature readings
4. Air Velocity readings
5. Velocity unit Icon
6. Temperature unit Icon
7. Low battery Icon
8. MAX/MIN Icon
Accessories：
1. User Manual
2. 3 x 1.5V AAA Battery
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