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 

... 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






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