Dew point sensor of refrigerated dryer

1、 Product Introduction

Produced by Shanghai Dianda Automation Instrument Co., LtdDew point sensor of refrigerated dryerExcellent circuit design can automatically compensate for circuit drift caused by temperature, pollution, and aging, providing long-term reliable high-precision measurements. The innovative temperature compensation algorithm and multi-point temperature compensation verification before leaving the factory greatly improve the temperature drift of the sensor and ensure high-precision measurement over a wide temperature range.

Dew point sensor of refrigerated dryerpicture

2、 Product Features

1. Based on polymer thin film sensor technology

2. Up to 9-point dew point calibration and multi-point temperature compensation provide accurate measurements up to+/-0.5Cdt (see technical parameter table)

3. Ultra fast response speed and excellent long-term stability

4. Anti condensation, anti particle pollution, oil vapor, and most chemicals

5. Excellent anti-interference ability

6. IP65 protection level, providing good protection even in harsh environments

7. Through the standard RS485 interface and functional service software, comprehensive sensor settings, data transmission, software upgrades, and maintenance functions are provided

3、 Technical parameters

Measurement parameters:

Dew point measurement range:

DD-ZDH10-60...+20 Ctd (basic type)

DD-ZDH10-1-60...+60 Ctd (standard type)

DD-ZDH10-2-80...+20 Ctd (Extended)

Temperature measurement range -40...+100 C

Measurement accuracy:

Dew point accuracy (air or nitrogen):

+60... -20 Ctd+/-2 Ctd (standard)

+/-0.5 Ctd (customized)

-20 … -60 Ctd +/- 2 Ctd

-60 … -80 Ctd +/- 3 Ctd

Response time: 63 [90], 20C, 1 bar (gauge), 4L/min

Dew point sensor:

-50->+20 Ctd 20 seconds

+20->-50 Ctd 1 minute

Output: Current output (adjustable range) 4... 20 mA (3-wire)

Current output resolution: 0.002 mA

Current output temperature drift: of span/C

Current output load: maximum 500 ohm

Digital output: RS485

Connector: 5-pin M8

Power supply: Normal measurement of 12... 30V/30mA+4-20mA current output

Working environment: Working temperature -30...+70 C

Storage temperature: -40...+80 C

Relative humidity: 0... 95RH

Sample gas flow rate:>1 L/min

Pressure: 0... 50 bar

Other: Stainless steel shell+aviation aluminum

Protection level: IP65

Mechanical component connection: ISO G 1/2 "

Stainless steel mesh filter: filtration grade 40~50um

Electromagnetic compatibility: compliant with IEC 61326-1