temperature humidity hygrostats Archives - Senseca https://environmental.senseca.com/product-tag/temperature-humidity-hygrostats/ Member of GHM GROUP Tue, 03 Mar 2026 16:09:42 +0000 en-US hourly 1 https://wordpress.org/?v=6.3.7 https://environmental.senseca.com/wp-content/uploads/2023/12/favicon-senseca-180x180-1-100x100.png temperature humidity hygrostats Archives - Senseca https://environmental.senseca.com/product-tag/temperature-humidity-hygrostats/ 32 32 HVAC40 – HVAC Transmitters and Hygrostats https://environmental.senseca.com/product/hvac40-hvac-transmitters-and-hygrostats/ Fri, 27 Mar 2020 15:19:24 +0000 https://www.deltaohm.com/?post_type=product&p=10801 Transmitters and hygrostats series for measuring temperature, relative humidity and dew point in HVAC applications.

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]]> Over 40 years of experience in worldwide applications combined with a new design on accuracy, stability, simplicity and connectivity: this is the HVAC40 series. These transmitters and hygrostats measure temperature, relative humidity and dew point using an interchangeable relative humidity and temperature digital sensor.

The probe is available in three different versions:

  • fixed vertical probe for wall mounting
  • fixed probe with 2 m cable
  • fixed duct horizontal probe

Available outputs, depending on the model:

  • RS485 Modbus–RTU digital output
  • 0…10 V voltage analog output
  • 0…20 mA / 4…20 mA active current analog output
  • 2-wire (current loop) 4…20 mA analog output
  • ON/OFF relay switch

Relay versions with settable alarm thresholds, hysteresis and delay and supplied as standard with LCD display. Optional LCD for all other versions.

The instruments are factory calibrated and ready for use.

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