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Vaisala MMP8 | Moisture in Oil Probe | ±0.02 aw, -70 to +180 °C
The Vaisala MMP8 moisture-in-oil probe uses the HUMICAP 180L2 sensor to measure dissolved moisture in transformer, hydraulic and lubricating oils as water activity (aw), relative saturation (%RS) and temperature. It can also give ppm concentration for specific oils.
- Accuracy ±0.02 aw / 2 %RS
- Temperature range -70 to +180 °C
- Traceable calibration certificate, as recommended by CIGRE
- Works with Indigo transmitters or standalone via Modbus RTU
- Measures relative saturation (%RS) and water activity (aw)
- Specifications
- Features
- Downloads
| Part Number | MMP8 |
| Brand | Vaisala |
| Accuracy | ±0.02 aw / 2 %RS |
| Temperature Range | -70 to +180 °C (-94 to +356 °F) |
| Sensor | HUMICAP 180L2 |
| Outputs | aw, %RS, T, ppm (specific oils) |
Vaisala MMP8 Moisture in Oil Probes:
- Excellent sensitivity in the dry end of the range
- Includes traceable calibration certificate (five points for humidity, one for temperature)
- Modbus RTU over RS-485 for flexible connectivity
- Compatible with the Indigo series transmitters
- Continuous online measurement
- Measurement range -70 … +180 °C (-94 … +356 °F)
- Measurement accuracy up to ±0.02 aw / 2 %RS
- Temperature accuracy up to 0.1 °C (0.18 °F)
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