MET-THB-HS

MET-THB-HS is the most accurate combined instrument mounted inside three double louvered naturally aspirated radiation shields. This is resulting in high-response time for each measurement.

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Product Description

THB sensor

This High-Specification Temperature Humidity and Barometric sensor is compatible with RS422 output for meteorological applications.

MET-THB-HS is the most accurate combined instrument mounted inside three double louvered naturally aspirated radiation shields. This is resulting in high-response time for each measurement.

 

Field Application

The MET-THB-HS is a lightweight, robust and compact instrument designed for a wide variety of high- accuracy applications.

  • Agricultural
  • Building Controls
  • Coastal & Harbors
  • Commercial Applications § Energy
  • Safety Controls
  • Transport

 

Sensing Elements

The sensing elements consist of a platinum RTD sensing element for temperature sensing, one capacitive humidity sensor and one piezo-resistive pressure sensor. The sensor array is mounted inside a 128mm radiation shield.

 

Measurements

This sensing solution measures accurate air temperature (±0.1C accuracy), is fast responsive, measures 0-100% Humidity (±3%) and absolute barometric (2,000mbar). The system construction is designed to operate in extreme weather conditions. The device also provides a compressive configuration and a calibration interface to facilitate the requirements of sensors matching and adjustments.

 

Air Temperature

Measurement range:

  • -20°C to +70°C

Accuracy:
  • ±0.1C

Temperature Resolution:
  • 0.01C

Response time:
  • 4s per 10°C

User calibration available:
  • Yes, Offset and Gain

Measurement Speed:
  • 1s to 256s

Humidity

Measurement range:

  • 0 to 100% RH

Accuracy all:
  • ±3%

Relative Humidity accuracy:
  • ±2%

    @25°C (20%RH to 80%RH)

Relative Humidity resolution:
  • 0.04% RH

Response time:
  • 10s

Temperature coefficient:
  • -0.15% RH/°C

    (from 0°C to 80°C)

User calibration available:
  • Yes, Offset and Gain

Measurement speed:
  • 1s to 256s

Barometric Pressure

Measurement Range:

  • 10 to 2,000mbar

Absolute Accuracy:
  • ±4mbar

Resolution:
  • 0.1mbar

Response time:
  • 500ms

User calibration available:
  • Yes, Offset and Gain

Measurement speed:
  • 1s to 256s

Electrical Specification

Supply voltage:

  • 8V to 24VDC

Current:
  • 6-10mA @ 12VDC

Communication:
  • RS422(4-wire)up to 200m
Physical connector:
  • 6-pin circular IP67
Data format:
  • Start (*), Sensor ID, Temperature, Humidity, Barometric, End (;)+CR+LF

Documentation available soon!

 

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