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Humidity Transmitter, Wall Mount

H7635A2012/U

Wall Humidity Sensor, ± 3% RH, Output 4-20mA or 0-5/10Vdc, with 20K ohm temp

This product is obsolete, but it can be purchased while supplies last.

This product is available in the US only.

  • Product Info
  • Literature

Overview

The H7625, H7635, and H7655 are highly accurate, stable humidity transducers designed for use with HVAC controllers such as the T7350 Thermostat, T775U Remote Humidity Controller, and W7760 Direct Digital Controllers. The Ceramic Technology humidity sensor is not affected by condensation and provides excellent long-term stability.

Features

  • Ceramic Technology overcomes the limitations of other resistance based humidity sensors that use water soluble polymer coatings.
  • Ceramic Technology allows sensors to recover fully from condensation, fog, and high humidity.
  • Highly accurate, repeatable, stable output with negligible hysteresis.
  • Temperature compensated output.
  • Zero and span trimmers, and increment/decrement recalibration feature.
  • All units have selectable 4-20 mA, 0-10 Vdc, or 0-5 Vdc output. NIST traceable 2%, 3%, and 5% calibration, every sensor calibrated at 3 different points.
  • All humidity sensors use the same enclosure as the T7770 sensor, except the H7655A, which uses the T7047-like enclosure.

Product Specifications

Application
Wall mounted Humidity and Temperature Sensor
Dimensions (in.)
4 9/16 in. high, 3 in. wide, 7/8 in. deep
Dimensions (mm)
116 mm high, 76.5 mm wide, 22 mm deep
Used With
Excel 15, Excel 10, T7350,
Item Type
Product
Mounting
Wall mount
Operating Humidity Range (% RH)
0 to 95% RH non-condensing
Sensor
20K ohm NTC
Voltage
18 – 40 VDC / 18 - 28 VAC
Operating Temperature Range (F)
32 to 122°F
Operating Temperature Range (C)
0 to 50°C
Shipping and Storage Temperature Range (F)
-40 to 160°F
Shipping and Storage Temperature Range (C)
-40 to 71°C
Output
Humidity-- 4-20 mA, 0-5 Vdc, or 0-10 Vdc selectable; Temperature--20K ohm NTC
Accuracy
±3% from 20-95% RH
Sensor Range
0 to 100% RH

Technical Documents

Installation Materials-Installation Instructions for H7625A2, H7635A2, H7626A2, H7636A2 Series 2000 Humidity/Temperature Sensors (English)

Product Data and Specifications-Specification Data for Series 2000 Humidity/Temperature Sensors (English)