Major tech MT90 User manual

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

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

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

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

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

0.00508

0.5144

0.2778

0.4464

ft/min

196.87

101.27

54.69

87.89

knots

1.944

0.00987

0.54

0.8679

km/h

3.6

0.01829

1.8519

1.6071

MPH

2.24

0.01138

1.1523

0.6222

www.major-tech.com www.majortech.com.au

[email protected] [email protected]

MAJOR TECH (PTY) LTD

South Africa Australia

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