Major tech MT90 Manual de usuario
MT90
MINI THERMO-ANEMOMETER
INSTRUCTION MANUAL
Contents Page no
1. Introduction.........................................2
2. Features..............................................2
3. Display Layout......................................2
4. Meter Description................................. 2
5. Button Description................................3
6. Operation and Settings..........................3
7. Specifications.......................................4
Thank you for purchasing the Thermo-Anemometer. The MT90 is
professionally designed with a completely modern look. This instrument
is equipped with Bluetooth making it easy to transfer the measured data
to user's smart phone. Fast, easy, accurate measurement and data
analysis.
1. Introduction
2. Features
ŸBluetooth interface for easy data transfer
ŸAir velocity selectable (m/s,km/h, ft/min, MPH, Knots)
ŸAir temperature measurement
ŸContinuous measurement
ŸMin/Max/Avg Readings
ŸDual line, 4 digit LCD display with back light
Ÿ°C/°F temperature measurement units
ŸAuto power off & low battery indication
1. Bluetooth symbol
2. Low battery indicator
3. Timing power off symbol
4. Maximum reading of
temperature/air velocity
5. Minimum reading of
temperature/air velocity
6. Average reading of
temperature/air velocity
7. Hold the displayed readings
8. Temperature measurement
units
9. Air velocity measurement units
10. Temperature readings
11. Air Velocity readings
3. Display Layout
4-7
3
8
1
2
9
11
10
4. Meter Description
1. LCD Display
2. Body of meter
3 Fan
4. HOLD/ button
5. MAX/MIN button
6. Power on/off button
7. UNITS button
8. Bluetooth button
3
2
1
5
8
4
6
72
5. Button Description
Power on/off, Auto-power off
Power on: Press the button ‘ ’ to switch power on, system has a ...
default auto power off. Hold down the button to switch the
power on and disable auto power off function. Hold down
the button again to enable the auto power off function .
Power off: Press the button ‘ ’ to switch the power off....
Auto power off: Auto-power off signal ‘ ’ displays in the left corner ...
of LCD and the instrument will auto-power off in
10minutes of no button operations.
Note: Press the power on/off button for over 1 minutes, it will be
recognized as faulty operation and the instrument will auto
power off.
UNITS button: Press to switch air velocity unit; hold down to switch
temperature unit.
button: Hold down to activate or deactivate Bluetooth.
HOLD/ button: Press to hold the current data; hold down to activate
or deactivate back light.
MAX/MIN button: Press to record Maximum, Minimum and Average
readings of temperature and air velocity.
Note button is deactivated when holding the current : The MAX/MIN
readings.
Press the HOLD button to freeze the temperature and velocity readings,
meanwhile, the hold symbol is displayed on LCD when measures. Press
the HOLD button again to return to normal measurement.
Data Hold
6. Operation and Settings
1. Turn on the instrument by pressing power on/off button.
2. Press UNITS button to select unit of measurement.
Note: After power on, the meter will display the preset unit before last
power off.
3. Put the instrument in the environment that is to be measured.
4. Observe readings on the LCD display, The larger digits displayed on
main LCD is Air Velocity reading. The smaller digits displayed on
upper right LCD is the temperature reading.
Temperature and Air velocity measurement
3
1. Press the MAX/MIN button for the first time, the instrument will
enter Max tracking mode, the tracked max reading will display on
the LCD.
2. Press the MAX/MIN button for the second time, the instrument
will enter MIN tracking mode, the tracked min reading will display
on the LCD.
3. Press the MAX/MIN button for the third time, the instrument will
enter AVG tracking mode, the tracked average reading will display
on the LCD.
4. Press the MAX/MIN button for the fourth time, the current reading
will display on the LCD.
Note: Avg mode will automatically stop in 2hours and the instrument
will auto power off.
MAX/MIN/AVG reading
4
Hold down the BLUETOOTH button to activate the bluetooth
function, it communicates after connecting with the downloaded
App Meterbox Pro. The instrument can transmit measured data and
instrument status to software and the software can control the
instrument. The instrument will automatically turn off in order to
lengthen the battery working life.
Bluetooth communication
When the symbol appears on the LCD, please replace the old ....
battery with a new one.
1. Open the battery compartment with a suitable screwdriver.
2. Remove the battery & replace the 9V battery.
3 Replace & close the battery compartment again.
Battery Replacement
7. Specifications
Air Velocity
m/s
km/h
ft/min
MPH
knots
Air temperature
Range
220-4920ft/min
1.10-25.00m/s
4.0-90.0km/h
2.5-56.0MPH
2.2-48.0knots
-10~60°C (14~140°F)
Resolution
0.01m/s
0.1km/h
1ft/min
0.1MPH
0.1 knots
0.1°C/°F
Accuracy
± (3%+0.30m/s)
± (3%+1.0km/h)
± (3%+40ft/m)
± (3%+0.4MPH)
± (3%+0.4knots)
2.0°C(4.0°F)
Function
Velocity measuring units
Temperature measuring units
Display
Display update
Low batteryindication
Auto power off
Dimensions (H x W x D)
Weight
m/s, ft/min, km/h, MPH, knots
°C, °F
Dual line, 4-digit LCD
2 times/sec
after 10 minutes (without operation)
213 x 54 x 36mm
172g
Range
Air velocity sensor;
Sensors
NTC-type precision thermistor
Battery 1 x 9V
.... will flash when voltage drops below 7.2V;
& backlight will flash twice when voltage....
drops below 6.5V, then auto power off
Unit of Measure Conversion Table
1 m/s
1ft/min
1knot
1km/h
1MPH
°F=°C*9/5+32
m/s
1
0.00508
0.5144
0.2778
0.4464
ft/min
196.87
1
101.27
54.69
87.89
knots
1.944
0.00987
1
0.54
0.8679
km/h
3.6
0.01829
1.8519
1
1.6071
MPH
2.24
0.01138
1.1523
0.6222
1
5
www.major-tech.com www.majortech.com.au
MAJOR TECH (PTY) LTD
South Africa Australia
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