H8000 

Relative Humidity Element
The H8000 capacitive polymer element is the latest generation technology, developed to reliably and accurately measure moisture in a wide range of relative humidity applications.

This element is the core measurement element of Michell’s new range of interchangeable HygroSmart sensors, probes and transmitters.


Product Features

  • Linearity ±1.5% RH
  • Stability ±1% RH per year
  • Operating temperature –40 to +200°C (–40 to +392°F)
  • Low thermal hysteresis
  • ø0.4mm (ø0.02”) leg diameter
  • Nominal capacitance 250 pF
  • Low RH hysteresis
H8000

Technical Specification

Performance Specifications
RH measurement range 0 to 100% RH
RH accuracy @ 23°C ±1.5% RH (5 to 95% RH)
RH hysteresis ±1% RH
RH measurement response time Less than 10 seconds
RH thermal drift (0 to +70°C (+32 to +158°F) / 10 kHz) @ 11%: –0.18% RH/°C
@ 75%: –0.24% RH/°C
Maximum mixing ratio 250g water/kg dry air
D factor (tangent of loss angle) 0.02 typical
RH long term stability @ 23°C (+73°F) < ±1% RH per year
Electrical Specifications
Nominal capacitance (75% RH @ 23°C (+73°F)) 250 pF ±15%
Nominal sensitivity (15 to 85% RH @ 23°C (+73°F)) 0.45 pF / %RH
Operating frequency range 5 / 300 kHz
Operating Specifications
Operating temperature –40 to +200°C (–40 to 392°F)
Operating pressure 0.04 to 30 bar
Mechanical Specifications
Weight 0.1g (without cap)
Leg diameter ø0.4mm
Leg length 12mm (1.3”), 50mm (5.3”)

Related Products

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WR Series HygroSmart WR Series
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DT Series HygroSmart DT Series
Advanced ∅12mm or ∅19mm duct mount relative humidity and temperature transmitter for high temperature applications. Voltage, current loop or RS485 Modbus RTU outputs. Optional integrated display.
I7000XP HygroSmart I7000XP
Interchangeable sensor for relative humidity and temperature. With voltage, PT100 and I2C outputs.