Our Products
- Pressure Gauges (8)
- Air-conditioning Equipment (1)
- Thermometers (1)
Contact Information
1F., No. 109, Sec. 2, Zhiyuan 1st Rd., Beitou Dist., Taipei City 11289, Taiwan
Tel: 886-2-28203405
Fax: 886-2-28203406
Indoor Humidity and Temperature Transmitter
Model: THT-S81
Category: Automatic/Industrial Machines & Equipments / Industrial Machines / Others
Characteristics
Features
¡½ Excellent quality and stable measurement
¡½ LCD display + 3 capacitive buttons (Option)
¡½ Various analog signal output available
¡½ RS485 Modbus RTU protocol with integer and floating type (option)
¡½ PNP / NPN switch output (option)
Specifications
Main Specifications
¡¿Body dimension
81.4 x 81.4 x 20.6mm
¡¿Connection
AWG 12…24
¡¿Temperature range
-20…80¢J
¡¿Humidity measurement range
0…95%RH
¡¿Temperature scale
0…50¢J / 0…100¢J
¡¿Screen display (Option)
1-line / 2-line / 3-line
LCD screen display without backlight
Screen size: 128x64
Max. voltage: 30VDC
¡¿Physical metric calculations (Option)
(Td) Dew point temp.
(Tf) Frost point temp.
(R) Mixing ratio
(A) Absolute humidity
(Tw) Wet blub temperature
(S) Enthalpy
(E) Water vapor pressure
¡¿Operating temperature
-20…80¢J (with display)
-20…70¢J (without display)
¡¿Protection level
IP20
¡¿Electromagnetic compatibility
Complies with EMC standard
EN61326-1, Industrial Environment
¡¿Accessories (Option)
118 to 86 adapter
Configure adapter
86 wall mounting
Other Specifications
¡¿Housing material
ABS
¡¿Analog signal output
4-20mA (2-wire / 3-wire)
0…1V / 5V / 10V (3-wire)
Output accuracy: ±0.1%F.S.
¡¿Digital signal output (Option)
RS485 with Modbus RTU
Baud rate: 9600 / 19200 / 38400 / 57600 / 115200
Data format: N81 / N82 / E81 / E82 / P81 / O82
¡¿Transistor output (Option)
PNP / NPN connection
Max. current:
50 mA sink / source
¡¿Power supply
11…35VDC (2-wire)
15…35VDC / 12…29VAC (3-wire)
¡¿Power consumption
(25¢J, V+24VDC)
40mA (2-wire current output)
30mA (3-wire current output)
10mA (Voltage / RS485)
¡¿Temperature accuracy (including non-linearity, hysteresis and repeatability)
±0.4¢J
¡¿Humidity accuracy (including non-linearity, hysteresis and repeatability)
3%RH@25¢J (20…80%RH)
¡¿Long time drift
<0.25%RH (humidity)
<0.02¢J/year (temperature)
¡¿Response time
Humidity: 5 sec. (@33…75%RH)
Temp.: 10 sec. (@15…45¢J)
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