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- Dew Point Range: -60°C to 40°C (factory default)
- Dew Point Accuracy: +/- 1.0°C from +40°C to -20°C
- One 4-20mA Loop Power Output
- Bi-directional RS232
- Two Line LCD
- NIST Calibration Certificate Included
The HD200 transmitter is designed to operate in extremely high humidity and temperature environments and performs superbly in chemical resistance application. The sensor is capable of measuring dew point to 95 °C and operates within a temperature range of -40 °C to +190 °C.
additional advantages include:
High chemical resistance
Very low drift
Wide temperature range
High humidity stability
Suitable for extreme environments
Fast recovery time
The dew point transmitter/meter includes a probe and electronic module that offer dew point measurements with NIST traceable calibration. The unit features all stainless-steel probe construction coupled with a high temperature cable allowing operation up to 200°C. For pressure applications, the probe is capable of handling 750PSI.
The HD200 has an enhance calibration for measuring dew points down to -60°C. The probe and electronics provide a single two wire loop powered 4-20mA interface. The units accept a voltage source from 12 to 28Vdc, 24Vdc is recommended. These units will display temperature in either °C or °F along with dew point. The RS232 allows a user to scale their outputs ranges as well as displayed units. The unit and sensor are connected via a 1 meter high temperature cable. This unit has a single output, 4-20mA output wiring and can provide a signal up to 400 ft.
HD200-M12 With Externally Accessible M12 Connection for RS232 or 4-20mA Output
The standard HD200 has an internal bi-directional RS232 port which is used for setting the temperature units and scaling the output. Although the process value can be read from the RS232 port it is not practical in a production environment since the connection to the RS232 port is internal and can only be accessed with the HD200 cover removed. The HD200-M12 is a version of the HD200 with an externally accessible M12 style connector which allows access to both the RS232 and 4-20mA signals. (Only one of the signals, either 4-20mA or RS232 can be accessed at a time) The RS232 output will not only provide the dew point temperature but humidity and temperature as well.
The Roscid HD200 dew point transmitter is the perfect unit for applications for compressed air, dryers and environmental chambers.
It works with inert gases such as Argon, Helium, Nitrogen and other noble gases. Air, Oxygen, Hydrogen, CO2, CO and ammonia (NH3) are additional gases the sensor performs well in. If you have any questions about your gas application , please contact IOThrifty.
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|HD200||Dew point transmitter with 4-20mA output|
|HD200-M12||Dew point transmitter with 4-20mA or RS232 output, M12 connector|
Dew Point: -60C to 40C (factory default)
Operating Temperature: 0 to 200°C
24VDC (typ)- 12-28VDC
Dew Point: ± 1.0°C from +40C to -20°C; ±3.0C<-20°C
HD200: 4-20mA scaled to dew point temperature
HD200-M12 :4-20mA scaled to dew point temperature or RS232 data stream with dew point temperature, humidity and temperature
1/2 NPT fitting included
Calibration done at -60°C
Pressure Rating: 750PSI
Material: 304 SS
Mesh Filter Top (SS) removable and washable
Dimensions of Probe: Length: 4" (10.16cm); O.D.: 0.5" (1.27cm)
Enclosure Dimensions: 3.5" L X 2.5" W (Display Dimension)
Enclosure Mounting Centers: 3.1" (Display Mounting Center)
Cable Length: 1M (Additional Lengths Available, consult IOThrifty)