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The Nova 207RT Series Portable Dew Point Transmitter have been designed primarily for accurate dew point measurement of atmosphere gas from endothermic gas generators.

The 207RT may be mounted anywhere on the gas main between the generator and the furnace. The dielectric polymer sensor provides stable and accurate dew point measurements and is not affected by most gas compositions.

Because there is no built-in sample pump to draw in a sample, the positive pressure produced by the generator pushes the sample into the flow-through chamber. The sample flow is shown on a small rotameter with valve. The analyzer then reads the dew point continuously.
Unit of Measure

Specifications

Method of Detection

N/A Dielectric polymer sensor that change capacitance with moisture variation

Ranges Available

N/A -40°F to +104°F (-40°C to +40°C) Dew Point

Resolution

N/A 1°F (1°C) Dew Point

Accuracy & Repeatability

N/A ±1°F (±1°C) Dew Point

Drift

N/A Less than 1% of full scale range per month

Response Time (T-90)

N/A Less than 30 seconds

Ambient Temperature Range

N/A -18 to 49 ºC0 to 120 ºF

Linearity

N/A Better than 1°F (1°C) Dew Point

Size & Weight

N/A Approx. 10" L x 6" W x 4" D @ 5 lbs. (26 x 25 x 10 cm @ 2.3 kg)

Power

N/A 12 to 24 VDC

Output Options

N/A 4-20 mA

Alarms

N/A None available

Hazardous Area Rating Options

N/A General Purpose, Non-Hazardous

Applications

N/A

    For continuous dew point monitoring of atmospheric gas from endothermic generators.

Features

N/A

  • Standard range of -40 to +104°F (-40 to +40°C) Dew Point
  • No moving parts
  • 4-20mA output to controllers and recorders
  • Long-life dielectric polymer sensor
  • May be calibrated in the field
  • Bright digital readout
  • Runs on 12 to 24VDC
  • Mounts anywhere on gas main between generator and furnace
  • Sensor easily replaced if contaminated
  • Factory calibrated to NIST traceable standards

Options

N/A

  • Display also available loose for remote panel mounting (207RT-PM)
  • Available with display and sensor only - as spare during calibration or repair periods; no flow through chamber
  • Calibration kit
  • Power supply optionally available

Calibration

N/A

  • Calibration is easily performed in the field using the optional calibration kit (Part no. NDPCK-02)
  • Alternatively, the analyzer may be returned to Nova for a certified calibration

Unique Applications

N/A

    The 207RT Series Dew Point Transmitter should not be used to measure dew points when trace amounts of sulfur trioxide (SO3), chlorine (Cl2), hydrogen chloride (HCl), or ammonia (NH3) are present. All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.

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