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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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Related Products |
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HygroSmart WM Series
Advanced ∅19mm wall mount relative humidity and temperature transmitter with voltage, current loop, or RS485 Modbus RTU outputs. Optional integrated display. |
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HygroSmart WR Series
Advanced ∅12mm remote probe relative humidity and temperature transmitter for higher temperature applications. Voltage, current loop, or RS485 Modbus RTU outputs |
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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. |
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HygroSmart I7000XP
Interchangeable sensor for relative humidity and temperature. With voltage, PT100 and I2C outputs. |
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