Michell Instruments

H8000 Relative Humidty Element

Accurately measure moisture in a wide range of RH applications, ±1.5% RH linearity, stability ±1% RH per year

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H8000 Relative Humidty Element 05719

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.

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

RH Measurement Response TimeLess than 10 seconds
RH Thermal Drift (0 to +70°C / 10 kHz)@ 11%: –0.18% RH/°C
@ 75%: –0.24% RH/°C
Maximum Mixing Ratio250g water/kg dry air
D Factor (Tangent of Loss Angle)0.02 typical
Performance Specifications
Measurement Range (RH)0 to 100% RH
RH Accuracy @ 23°C±1.5% RH (5 to 95% RH)
RH Hysteresis±1% RH
RH Long Term Stability @ 23°C< ±1% RH per year
Electrical Specifications
Nominal Capacitance (75% RH @ 23°C)250 pF ±15%
Nominal Sensitivity (15 to 85% RH @ 23°C)0.45 pF / %RH
Operating Frequency Range5 / 300 kHz
Operating Specifications
Operating Temperature–40 to +200°C
Operating Pressure0.04 to 30 bar
Mechanical Specifications
Weight0.1g (without cap)
Leg Diameterø0.4mm
Leg Length12mm, 50mm
  • Thumbnail of document H8000 Data Sheet 10037
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    H8000 Data Sheet 10037

    Download

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