Dwyer Humidity/Temperature Transmitter, Series HHT
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HHT-IT-LCD

Series: Series HHT Hazardous Area Humidity/Temperature Transmitter Brand: Dwyer Instruments, LLC
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Specifications

Brand

Accessories

  • Mounting Brackets

Accuracy

  • ± 0.3° C at 25° C (± 0.9° F at 72° F)
  • ± 2 % (10 to 90 %) - RH

Approvals & Certifications

  • CE
  • FM

Compensated Temperature

  • -40° to 60° C (-40° to 140° F)

Conduit Connection

  • 1/2” NPT Female

Display

  • 2 Line Alpha Numeric, 8-Character Per Line

Electrical Connectors

  • Screw Typical Terminal Block

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • Class 1, Div. 1, Groups B, C, D
  • Class I, Div. 1, Groups A, B, C, D
  • Class II, Div. 1, Groups E, F, G
  • Class III, Div. 1, T4
  • Explosion-proof
  • Intrinsically Safe
  • IP66
  • NEMA 4X

Humidity

  • 0 to 100 % Relative Humidity

Hysteresis

  • ± 1 %

Output

  • 4-20 mA, 2-Channels for Loop Power On RH

Power Requirement

  • 16.5-28 Vdc
  • 9.5-28 Vdc

Repeatability

  • ± 0.1 % Typical

Resolution

  • 0.1 % - RH
  • 0.1° C

Response Time

  • 15 seconds

Sensor / Probe Material

  • Capacitance Polymer

Storage Temperature

  • -40° to 80° C (-40° to 176° F)

Temperature Range

  • -40° to 60° C (-40° to 140° F)

Thermal Drift

  • < 1 % Relative Humidity/Year

Documentation

Approvals

Catalogs

Manuals

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