


Vaisala DMP8 Dew Point Probe
With a pressure of up to 40 bars, the Vaisala DRYCAP® Dew Point and Temperature Probe DMP8 is ideal for industrial low-humidity applications. Common uses include semiconductor industry applications, compressed air systems, and industrial drying.
DMP8 has an adjustable insertion depth and may be placed in an ISO or 1/2 NPT thread. It is possible to attach or remove the probe from a pressurized line using an optional ball-valve installation kit.
The DMP8 belongs to the Indigo family and works with transmitters from the Indigo500 and Indigo200 series. It can be used for self-calibration, simple probe configuration, and data display using Vaisala Insight PC software.

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- Specifications
- Features
- Downloads
Dew Point | -70 ¦ +80 °C (-94 ¦ +176 °F) |
Operating pressure | 0 ¦ 4 MPa (0 ¦ 40 bar) |
Vaisala DMP8 Dew Point Probes:
- Sensor purge provides superior chemical resistance
- Includes traceable three-point calibration certificate
- Modbus RTU over RS-485 for flexible connectivity
- Compatible with Indigo series transmitters
- Long (two-year) calibration interval for easy maintenance
- Order Sample Cell (Vaisala SC025NPT) for small line applications, common in compressed air systems
- Dew point measurement range -70 … +80 °C (-94 … +176 °F)
- Dew point measurement accuracy up to ±2 °C (±3.6 °F)
- Operating pressure 0 … 4 MPa (0 … 40 bar)
- Temperature accuracy up to 0.1 °C (0.18 °F)
- Withstands condensation, oils, dust and most chemicals
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