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H8000 Relative Humidity Element |
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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
- Low thermal hysteresis
- ø0.4mm leg diameter
- Nominal capacitance 250 pF
- Low RH hysteresis
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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 / 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 | < ±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 range | 5 / 300 kHz |
Operating Specifications |
Operating temperature | –40 to +200°C |
Operating pressure | 0.04 to 30 bar |
Mechanical Specifications |
Weight | 0.1g (without cap) |
Leg diameter | ø0.4mm |
Leg length | 12mm, 50mm |
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