Pro's Kit MT-4616 User manual

MT-4616
Temperature / Humidity / Dew point Meter
User’s Manual
1st Edition,2018

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©2018 Prokit’s Industries Co., Ltd
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.
“

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Display Screen
NO.
explanation
1
Low battery
2
Automatic power-off mark
3
Display wet bulb temperature or dew-point temperature
4
Temperature measurement unit
5
Relative humidity measurement unit
6
MEM, RAM position number
7
Max-min
8
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.

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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

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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
RH
Range: 0 to 100%RH
Accuracy:±3.0% RH(20% to 80%) /±4.0% RH(0% to 20%，
80% to 100%)

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Resolution:0.1%
Update rate: 400ms
Sensor’s type: High-precision digital sensor
WB
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
DP
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