MRC HE2 Series User manual

Operation manual for HE2xx series
large screen Thermo-Hygrometer
3Hagavish st. Israel 58817 Tel: [phone], Fax: [phone]
[email protected]
MRC.11.22

User manual for HE2XXA series large screen thermo-hygrometer
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Products Introduction
HE2XXA Series large screen Thermo-Hygrometer has high precision and recording functions. Adopt
imported temperature humidity integrated sensor, fast response and good quality to assure the accuracy
and stability.
1. Features:
Fashionable and simple performance, firm structure, high accuracy.
Adopt the bright LED digital tube display, clear display, visible distance is 5~70 meters.
Temperature humidity calibration function, when the temperature and humidity measurement
errors, use this function to calibrate.
Recording capacity:>=43000, RS485-USB interface ( Optional function ).
2. Applications:
It has been widely applied in offices, hotel, canteens, school, factory, supermarket, warehousing,
hospital, and indoor environment etc.
3. Performance parameters:
Model
HE218A
HE230T
HE230A
HE250A
HE218B
Temperature
accuracy
±0.5℃
±0.5℃
±0.5℃
±0.5℃
±0.5℃
Humidity
accuracy
±5%RH
/
±5%RH
±5%RH
±5%RH
Sensor type
Internal/
External cable
length 3m
External
PT100 probe
Internal/
External cable
length 3m
Internal/
External cable
length 3m
Internal/
External cable
length 3m
Measuring
range
-40~85℃
-100~100℃
-40~85℃
-40~85℃
-40~85℃
Measuring
range
0~99%RH
/
0~99%RH
0~99%RH
0~99%RH
Height of
display(inch)
1.8”
3”
3”
5”
1.8”
Distance (M)
20
40
40
70
20
N.W(kg)
2.6
2.6
2.6
4.8
4.8

User manual for HE2XXA series large screen thermo-hygrometer
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4. Starter:
（1）Keys and components(HE218A~HE250A)
power and plug
OK button
External sensor
upward button
Temperature display area
downward button
Humidity display area
S function button

User manual for HE2XXA series large screen thermo-hygrometer
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5. Key usage:
Key function
Normal mode: press enter setup mode, press enter temperature setting, press
or button respectively to adjust the value.
Key function
Normal mode：press this key is invalid.
Setting mode:set a negative value.
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.
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, and 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.