Dew Point Sensor

Dew Point Sensor
Product Description

Dew Point Monitor


  • Micro controller based Latest, Accurate, Reliable and High Performance Technology that eliminates False Alarm.
  • Single channels for Connecting to Dew Point Transmitters.
  • Dew Point Sensor range is configurable range.
  • Displays dew point in (°C or °F) and moisture content (PPMV) or Vapor pressure (mmHg).
  • Selectable moisture content or vapor pressure on display using a single key press.
  • Digital Alphanumeric display with configurable Backlit option.
  • Standard 4-2omA signal output with configurable range.
  • Easy handling & programming with 3 keys.
  • Can be programmed using Remote Control upto 1ometer line of site distance.
  • Password protected programming with password changing facility.
  • Easy software calibration for both the channels.
  • Optional Alarm relays contacts with two configurable Alarm levels & one for Fail Safe Relay.
  • Optional RS-485 communication port with MODBUS RTU protocol.
  • Suitable in Hazardous Area CCOE, CMRI & IP-65 approved.



  • Fluid Beds
  • Fire Fighting
  • Welding Gases
  • Hydrogen Coolant
  • Military Medical Gases
  • Gas Fired Power Station
  • Refrigerant Membranes
  • Metallurgical Processes
  • Petrochemical Refineries
  • Compressed Air Systems
  • Glass and Melting Furnaces
  • Cycle Emissions Monitoring
  • Nuclear Co2 Reactor Coolant
  • Combustion Efficiency Control
  • Instrument Air Fuel Cell Storage
  • Heat Treatment : Carbon Potential
  • Circuit Vreakers I SF6 and Air Blast
  • Water Treatment Plants : Ozone Generators
  • Hydrogen Cooled Generator for Gas Turbines
  • Desiccant Dryers For Controlled Environmental


Technical Specifications


Detection method

Advanced Ceramic Technology


Dew Point sensor= Configurable range

Flow rate

1 to 5l/min mounted in standard sampling block: 0 to 10m/sec direct insertion


16x2 Alphanumeric LCD with configurable backlit option

8 LEDs to indicate status of instrument.

Control Action

Two independent Alarm set points with latch and non-latch facility

User selectable Hysteresis and logic option

Common fail safe relay.


By 3 keys on front panel for WP model

By using magnetic pen for FLP model

By using remote control for WP and FLP model (optional)



+2oC for Dew point (+3.6oF)

Response time

Approx. 30 seconds

Start-up time

Approx 30 seconds


Supply voltage

90 to 270VAC +20%, 50Hz

Power consumption

Less than 5 watts


3 wires (1.5mm2) Flexible or Armoured shielded cable.

Output Signal


4-20mA current output with configurable range selection


Three SPDT relays (one for fail safe and two for alarm indication ) of rating '250VAC/10A, 30VDC/10A,


RS-485 Communication port with MODBUS RTU protocol.

Error Monitoring

Under-'Under Range


Over- 'Over Range


Open-'Sensor Open



Operting temperature

-30 to +70oC

Storage temperature

-40 to +80oC


Less than 95% Non-condensing.

Accessories (optional)

Canopy mounting stand

RS-232 to RS-485 converter

SCADA software

Hooter cum Flasher

RS-485 to USB converter

Remote control

Weatherproof Housing

Protection class


Cabinet material

Polycarbonate, grey colour

Cable Entry

Thermoplastic cable gland (IP 68)


210mm (H) x 240 mm (W) x 115mm (D)


Wall mounting/Stand mounting/Pipe mounting


Approx. 2.0 kg

Flameproof Housing

Protection class

IP-65 for Gas Gr. IIA and IIB, CMRI approved enclosure, CCOE (optional)

Cabinet material

Cast aluminum alloy, LM-6

Cable entry

Double compression cable gland (Ex-proof), 3/4  ET-type


235mm (H) x 220 mm (W) x 162mm (D)


Wall Mounting/Stand mounting


Approx. 5.0 kg

Contact Us

17-B, Tarun Industrial Estate, Mogra Pada, New Nagardas Road, Andheri (East), Mumbai, Maharashtra, 400069, India
Phone :+918068090472