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TH120 Clean Industrial Grade Multi-Parameter Temperature and Humidity Transmitter

The clean rooms, laboratories or other high-standard spaces in the field of clean industry require strict control of environmental temperature and humidity, such as electronic semiconductor and biopharmaceutical clean rooms.

TH120 temperature and humidity transmitter is specially used for temperature and humidity measurement in this environment. In addition to measuring temperature and humidity parameters, it can also measure other humidity parameters such as dew point, frost point, enthalpy value.

Especially for the biopharmaceutical clean room O3 or VHP sterile environment, the temperature and humidity probe of TH120 can be equipped with the specialized filter PF04 for H202 environment, which micropores are filled with the MnO2 composite catalyst with the particle diameter of about 10um; When in touch with the filter, VHP or O3 will be decomposed into H2O and O2 to achieve the purpose of protecting the probe and humidity-sensitive element.

In order to facilitate field equipment maintenance, TH120 is also equipped with interchangeable digital probes and digital reference probes for analog output channel accuracy verification. There are two reference probes, one of which has a fixed output of 90%RH/5℃, and the other has a fixed output of 10%RH/45℃.

Technical Features

Output signal: two ways 4~20mA or RS485

Output parameter: temperature, relative humidity, dew point, frost point, wet bulb temperature, enthalpy value, partial pressure of water vapor, mixed ratio, absolute humidity

Shell material: flame-retardant PC, Aluminium alloy or 316 stainless steel (optional)

Calibration interface: single-point or two-point calibration via calibration button

Installation method: wall, pipe, split probe, wall-mounted split probe

Display module: fixed display or touch display

Digital probe: interchangeable digital probe for easy on-site maintenance

Reference probe: easy to verify the analog output channel on site

Typical Applications

Electronic semiconductor clean room

Biopharmaceutical clean room

Tobacco process workshop

Clean room for printing money

High standard laboratory

Technical Data

Input and output

Operating voltage	24V DC ±20%	Current output	Two ways 4... 20mA RL < 500 Ohm
Power consumption	＜20mA (current output)		Channel precision: ±0.2%FS
	＜ 6mA (digital output)	Digital output	RS485 (Modbus RTU)

Measurement Parameter

Relative humidity		Temperature
Measurement range	0 ... 100%RH	Measurement range	?40 … +80°C
Measurement precision	±1%RH (0 … 90%RH & 20℃)	Measurement precision	±0.2°C
Calibration error	±0.5%RH (0 … 90%RH)	Calibration error	±0.1°C (20°C)
	±0.8%RH (40 … 95%RH)
τ₆₃ response time	30s (probe fitted with stainless steel sintered filter)	- -	- -
Humidity sensitive element	High molecular polymer humidity-sensitive capacitor	Temperature sensitive element	Pt1000 (Grade 1/3B, DIN EN 60751)

The above precisions are comprehensive precisions, including repeatability, linearity and hysteresis of the measurement, and can be traced to the CNAS standard.

Technical Specification

Wiring connection	The maximum cable diameter of the terminal is 1.5mm²	Cable connector	M16*1.5 gland connector (threading diameter 4.5~10mm)
Shell material	PC (flame-retardant grade UL94-V0) or Aluminium alloy (optional)	Protection grade	IP65
Operating temperature	With display: -40 ... 80℃	Probe protection	Stainless steel sintering, H2O2, PTFE, etc.
	Without display: -20 ... 80℃	Electromagnetic compatibility	EN61326-1 EN61326-2-3
Storage temperature	-20 ... 60℃

Data download:

TH120 Clean Industrial Grade Multi-Parameter Temperature and Humidity Transmitter Product Manual