Digital Temperature Gauge
Indoor Humidity and Temperature Transmitter THT-S81
Indoor Humidity and Temperature Transmitter THT-S81
THT-S81 Indoor humidity and temperature transmitter adopt LCD screen display with capacitive buttons and temperature scale. THT-S81 can measure -20⋯80℃ temp. and 0⋯95%RH. Optional functions include RS485 Modbus RTU, transistor output, physical metric calculations are available upon requests.
DETAIL
Model: THT-S81
Introduction
THT-S81 Indoor humidity and temperature transmitter adopt LCD screen display with capacitive buttons and temperature scale. THT-S81 can measure -20⋯80℃ temp. and 0⋯95%RH. Optional functions include RS485 Modbus RTU, transistor output, physical metric calculations are available upon requests.
Features
■ Excellent quality and stable measurement
■ LCD display + 3 capacitive buttons (Option)
■ Various analog signal output available
■ RS485 Modbus RTU protocol with integer and floating type (option)
■ PNP / NPN switch output (option)
Main Specifications
▼Body dimension
81.4 x 81.4 x 20.6mm
▼Connection
AWG 16…24
▼Temperature range
-20…80℃
▼Humidity measurement range
0…95%RH
▼Temperature scale
0…50℃ / 0…100℃
▼Screen display (Option)
1-line / 2-line / 3-line
LCD screen display without backlight
Screen size: 128x64mm
Max. voltage: 30VDC
▼Physical metric calculations (Option)
(Td) Dew point temp.
(Tf) Frost point temp.
(R) Mixing ratio
(A) Absolute humidity
(Tw) Wet bulb temperature
(S) Enthalpy
(E) Water vapor pressure
▼Operating temperature
-20…80℃ (with display)
-20…70℃ (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
▼Power supply
11…35VDC (2-wire)
15…35VDC / 12…29VAC (3-wire)
▼Power consumption (25℃, 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℃
▼Humidity accuracy (including non-linearity, hysteresis and repeatability)
3%RH@25℃ (20…80%RH)
▼Long time drift
<0.25%RH (humidity)
<0.02℃/year (temperature)
▼Response time
Humidity: 5 sec. (@33…75%RH)
Temp.: 10 sec. (@15…45℃)
▼Other requests (Option)
Third party notarized documents
Inspection report
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