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Dew Point Sensor

S 220 DEW POINT SENSOR/ dew point transmitter (-100 … 0 ºC)

The CS-iTEC dew point sensor S 220 provides reliable and long term stable dew point monitoring in industrial applications. CS is using a new sensor technology which has superior signals at very low moisture levels thus providing reliable measurements down to –100 ºC.

A stainless steel mesh filter with pore sizes below 30 um protects the sensor from particles. It’s designed for applications where very low moisture levels needs to be detected.

The measured dew point is output through a 4-20 mA signal (3-wire or loop powered). Sensor parameters such as analogue output scaling, physical units, can be easily changed by using CS-iTEC service kit.

Application

Stated accuracy under following conditions:

Ambient temperature 23±3°C
Process temperature 23±3°C
Ambient humidity <95%, no condensation
Airflow > 2 l/min at sensor tip

Product features

Small size makes it ideal for dryer installations
Measures dew points down to –100 ºC
New CS-iTEC sensor technology
Version with integrated pressure measurement
Various output versions available: 1 x 4…20 mA, 2 x 4…20 mA, RS-485 (Modbus), 4…20 mA loop powered
Very fast response time ensures safe and reliable indication whenever dew points are out of valid ranges
IP65 casing provides robust protection in rough industrial environment
Can be installed directly into dryers through G 1/2” thread
High accuracy of 2 ºC dew point
M12 connector

Technical data

Measuring range	Dew point: -100 … 0 ºC Temperature: -30 … + 70 ºC Pressure: -0.1 … 1.6 MPa
Accuracy	Dew point: 2 ºC (-20 … -100 ºC ) Temperature: 0.3 ºC Pressure: 0.05 bar
Pressure range	-0.1 … 1.6 MPa
Power supply	12 … 30 VDC / 30 mA
Measured gas	Non-corrosive gases
Ambient conditions	0 … 50 ºC
Transport temperature	-30 … +70 °C
Response time [90%] (at 4 l/min, perforated cap)	-80 …-20 °C: 20 sec -20 … -80 °C: 3 min
Output signal	4…20 mA, 3-wire (0699 0220, 0699 0221, 0699 0223) Modbus / RTU (0699 0222, 0699 0224) Loop powered 4…20 mA (0699 0025)
Analog output scaling	4 mA –> -100 °C 20 mA –> +20 °C
Connector	M12, 5 pole
Wire sizes	Connector terminals support 0.14 … 0.25 mm²
Casing	Process connection: stainless steel Casing: Zinc alloy
Classification	IP65
Process connection	G 1/2” thread (ISO 228/1)
Sensor protection	A: stainless steel sinter filter, pore size < 30 um B: Perforated sensor cap (standard, requires a prefilter 0.1 um)
EMC	According to IEC 61326-1

S 220 DEW POINT SENSOR/ dew point transmitter (-100 … 0 ºC)

Application

Product features

Technical data

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