MRC HE218B-EX User manual

Operation manual for HE218B-EX
large screen Thermo-Hygrometer
PLEASE READ THIS MANUAL CAREFULLYBEFORE OPERATION
Hagavish st. Israel 58817 Tel: [phone], Fax: [phone] [email protected]
MRC.1.22

Operation manual for large screen thermo-hygrometer
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Products Introduction
1. Features:
Fashionable and simple performance, firm structure, high accuracy.
Month/year/date/time/week/temperature/humidity shows at the same time.
Temperature humidity calibration function; values can be adjusted through buttons on the
instruments.
Adopt highlight LED digital tube display , showing clear words ,visual range twenty meters
Temperature humidity calibration function; values can be adjusted through buttons on the
instruments.
2. Applications:
It has been widely applied in offices, hotel, canteens, school, factory, supermarket, warehousing,
hospital, and indoor environment etc.
3. Performance parameters:
Temperature accuracy
±0.5℃
Humidity accuracy
±3%RH
Sensor type
External sensor with 3 meters cable
Measurement range
-40~85℃
Measurement range
0~100%RH
LED size (inch)
1.8”
Visual range (M)
20
N.W(kg)
4.6
Product dimension(CM)
60.1×38.3×5
Packing dimension(CM)
66.4×43.3×8.5

Operation manual for large screen thermo-hygrometer
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4. Product structure :
（1）Buttons and components
power and plug
Temperature display area
External sensor
Humidity display area
Year display area
S function button
Month display area
downward button
Date display area
upward button
Time display area
OK button
Week display area
5. Key usage:
Key function
Normal mode:（1）press enter date setup mode, press enter setting state,press or
button respectively to adjust the value.
Normal mode: （2）press for five seconds enter calibration setup mode, press enter
setting state, press or button respectively to adjust the value.
Key function
Normal mode：Press this key is invalid.
Setting mode: Set a negative value.

Operation manual for large screen thermo-hygrometer
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Key function
Normal mode: Press this key is invalid.
Setting mode: Set a positive value.
Key function
Normal mode：Press this key is invalid.
Setting mode: Confirm button and enter the next step.
6. Examples of Key usage
(1) Example for month/year/date/time/week setting:
Setting Steps : First , press enter year setup mode, then press enter year setting state, press
to adjust value. Press again enter month setting state→date setting state→hour setting state→
minutes setting state→seconds setting state→week setting state, press again exit setting mode .
(2) Example for calibration setting:
For example: Standard temperature is 16 ℃, humidity is 66%RH, and the measuring temperature is
15.3 ℃, humidity is 66.8%RH. Then difference of temperature is -0.7 ℃, difference of humidity is
+0.8%RH.
Setting Steps: first, press enter setup mode, then press enter temperature deviation setting state;
press to adjust the temperature is -0.7 ℃, press enter humidity settings, and press to adjust the
humidity value is +0.8%RH, then press back to normal mode.