Pro's Kit MT-4616 User manual

MT-4616

Temperature / Humidity / Dew point Meter

User’s Manual

1st Edition,2018

- 1 -

Statements

According to the international copyright law, please don’t copy any

content from the user manual without permission and written consent.

The user manual may be changed in the future without notice.

Safety statements

Caution

”sign shows what will cause damage to the temperature and

humidity meter.

Please be careful of the operation when using the tester, incorrect

operation or operation steps maybe cause damage to the temperature

and humidity meter or to the equipment.

Please be careful of the operation when using the tester,incorrect

operation or operation steps maybe damage to the temperature and

humidity meter or to the equipment.

Warning

“ ”sign shows that there is danger of electric shock,serious injury or death

.The case or operation may result in personal injury to the users. If these

conditions are not met or you don’t fully understand how to operate the

temperature and humidity meter, please don’t continue any operation with

warning sign indicating.

Brief Introduction

This is a battery powered meter for measuring relative humidity and

temperature. It can display three types of temperatures around the

sensor’s area via several convenient procedures: Ambient temperature,

Dew-point temperature and Wet bulb temperature.

“

- 2 -

- 3 -

Display Screen

NO.

explanation

Low battery

Automatic power-off mark

Display wet bulb temperature or dew-point temperature

Temperature measurement unit

Relative humidity measurement unit

MEM, RAM position number

Max-min

Hold function activated. The screen freezes the current

reading

Operation

Notice

When moving the meter from one atmosphere with extreme temperature

or humidity to another, you need to wait for it to stabilize. Press to start

the meter and read the measurements displayed by °C or °F. Press

to switch.

- 4 -

Dew-point & Wet-bulb

Whenstarting the meter, the ambient temperature appears on the screen.

To obtain DP, press a first time and press for a second time, WB is

switched. Press a third time, to get the ambient temperature back. A

corresponding signal will be shown on the screen indicating DP and WB.

Holding

Hold the button Press to freeze the current reading, and stop the

meter from displaying the measurements. When the HOLD function

is active, the screen displays . To continue reading the measured

value, press again. Max-min

Pressing , Max-min is set up, and max updates constantly, press again,

it is min. The two stations can be switched. If turned off, you need to press

for two seconds; a sound shows that this function has been turned off.

Max means that the peak of temperature and humidity, while min is the

lowest reading.

Saving and transferring the measurements

This meter is able to save 99 groups reading for transferring. Press to

save the reading, and its location displays at the screen’s upper right

corner. After two seconds, the meter comes back to the normal state; If

RAM is filled fully, the meter will cover the stored data from No.1 RAM

and keep the reading.

When transferring the saved figure, press to enter MEM check-up.

At this time, are used to change the page. To exit it, press

again. In the state of check-up, press for five seconds and “00”is

displayed at the screen’s right upper corner, which means RAM is

cleared.

Automatic power-off

To prolong the life-span of the battery, this meter offers an automatic

power-off function, and it shuts down after 30 minutes of no use. Just

press if setting it for longer measurement, and disappears. Do it

again, the automatic power-off is on. The backlight

and

- 5 -

Press to start the backlight, press again to turn off the backlight.

If starting without automatic power-off, it will close after 15 seconds.

Maintenance

Replace the batteries

The meter is charged with four 1.5(AAA type) batteries. When

appears, the batteries should be replaced as soon as possible. Follow the

instructions:

1. Unscrew the top of the entrance.

2. Remove the batteries out.

3. Install four unused AAA batteries in accordance with polarity

described on the bottom.

4. Replace the lid and fasten the screw.

Specification

Ambient temperature

Range: -20 to 60°C (-4 to 140°F)

Precision: ±1.0°C(0 to 45°C)/±1.5°C(-20 to 0°C，45 to 60°C)

Resolution: 0.1°C/°F

Update rate: 400ms

Sensor’s type: High-Precision digital sensor

Range: 0 to 100%RH

Accuracy:±3.0% RH(20% to 80%) /±4.0% RH(0% to 20%，

80% to 100%)

- 6 -

Resolution:0.1%

Update rate: 400ms

Sensor’s type: High-precision digital sensor

Range: -20 to 60°C (-4 to 140°F)

Precision : ±1°C(0 to 45°C)/±1.5°C(-20 to 0°C，45 to 60°C)

Resolution: 0.1°C/°F

Update rate: 400ms

Range: -50 to 60°C (-58 to 140°F)

Precision : ±1°C（0 to 45°C/±1.5°C（-50 to 0°C，45 to 60°C）

Resolution: 0.1°C/°F

Update rate: 400ms

RAM: 99 data point

Power: 4 AAA batteries

Weight: 190g (batteries included)

Size: 184mm×60mm×29mm

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