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THP210 Wall-Mounted Temperature and Humidity Pressure Difference Transmitter

In the biopharmaceutical process, some intermediates produce aerosols that are harmful to the human body and the environment. The process cleaning room or laboratory needs good tightness and suitable environment. In addition to monitoring the ambient temperature and humidity, it is also necessary to measure the pressure difference parameter to make the air flow in the specified direction. THP210 is specially designed for temperature-humidity and pressure difference measurement in this clean industrial environment.

Especially for the biopharmaceutical clean room O3 or VHP sterile environment, the temperature and humidity probe of THP210 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, THP120 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℃.

THP210 has an innovative wall-mounted installation structure. The positioning column on the back of the device is fitted with the positioning hole of the junction box pre-installed on the color steel wall. The junction box does not need to be disassembled after the first installation, which can isolate the dust particles inside the color steel wall. At the same time, the signal wiring method is pluggable terminal, which is easy to carry out later maintenance of the instrument.

Technical Features

Output signal: three ways 4~20mA or 0~10V, RS485

Output parameter: temperature, relative humidity, pressure difference

Key setting: PIN code protection, analog output range setting, measurement parameter alarm upper and lower limit setting, temperature-humidity and pressure parameter calibration, display backlight, contrast setting, communication setting

Display module: high-resolution dot-matrix LCD display

Alarm output: sound-light alarm of probe failure and measurement parameter out-of-limit

Installation method: Junction box isolation wall-mounted installation

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

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

VHP filter: optional O3 or H2O2 sterile environment filter

Wall-mounted structure: isolated junction box

Typical Applications

Biopharmaceutical clean room

High standard laboratory

Technical Data

Input and output

Operating voltage	24V DC ±20%	Current output	Three ways 4 ... 20mA RL < 500 Ohm
Power consumption	＜ 30mA (current or voltage output)	Voltage output	Three ways 0 ... 10V
			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)

Pressure difference
Measurement range	-1000 ... 1000Pa
Measurement precision	±0.5FS (FS: full scale)
Calibration error	±0.25FS
τ₆₃ response time	10ms
Pressure difference element	Piezoresistive pressure difference sensor
Overload pressure	10KPa
Bursting pressure	30KPa
Temperature compensation	0~60℃

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

Mechanical specification

Wiring connection	The maximum cable diameter of the terminal is 1.5mm²	Probe protection	Stainless steel sintering, VHP, PTFE
Shell material	Panel: 316 stainless steel	Protection grade	IP65
	bottom case: ABS (flame-retardant grade UL94-V0)

Operating environment

Operating temperature	-20 ... 80℃		Electromagnetic compatibility	EN61326-1 EN61326-2-3
Storage temperature	-20 ... 60℃

Data download:

THP210 Wall-Mounted Temperature and Humidity Pressure Difference Transmitter Product Manual