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Honeywell - H7635B2018 - 3pct RH Accuracy Duct Mount With 20K Ohm 3pct RH Accuracy Duct Mount With 20K Ohm Temp Ouput 0-10Vdc 0-5Vdc Or 4-20Ma Output Selectable.

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


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.



  • 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

Customer Rating: Not Rated Yet
Quick Order Number: 457
Manufacturer: Honeywell
Part Number: H7635B2018/U
Weight: 1.25 lbs
Stocked Item*: Yes
Quantity Available*: 0
Price: $171.81

* If an order is placed where the item is a "Non-Stocked Item" or the quantity ordered is more than the quantity available, all items in stock will be shipped and the remainder of the items will be shipped as soon as we get the "backordered" items in.


Product Specifications


Product Specifications

Duct 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,
Operating Humidity Range (% RH)
0 to 95% RH non-condensing
18 – 40 VDC / 18 - 28 VAC
Operating Temperature Range (F)
-10 to 140°F
Operating Temperature Range (C)
23 to 60°C
Shipping and Storage Temperature Range (F)
-40 to 160°F
Shipping and Storage Temperature Range (C)
-40 to 71°C
Humidity-- 4-20 mA, 0-5 Vdc, or 0-10 Vdc selectable; Temperature--20K ohm NTC
±3% from 20-95% RH
Sensor Range
0 to 100% RH


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