Vaisala DMP5 Dew Point & Temperature Probe

Features

  • Measures humidity at temperatures up to +180 °C (+356 °F).
  • Dew point measurement range: −40 … +100 °C (−40 … +212 °F) Td/f.
  • Dew point measurement accuracy up to ±2 °C (±3.6 °F) Td/f.
  • Sensor purge provides superior chemical resistance.
  • Condensation-tolerant.
  • Modbus RTU over RS-485.
  • Compatible with Indigo transmitters and Insight PC software.
  • Traceable calibration certificate.
Enquiry
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Vaisala Temperature Probe DMP5 and DRYCAP Dew Point are made for measuring humidity in industrial drying setups with high temperatures and a broad dew point range. The sturdy steel probe and optional flange make installation easy, even reaching through insulation like in ovens.

Vaisala DMP5 incorporates the Vaisala DRYCAP sensor, which is accurate, reliable, and stable. The sensor is condensation-resistant and immune to particulate contamination, oil vapor, and most chemicals. Sensor warming minimizes the risk of condensation accumulating on the sensor. If the DRYCAP sensor does get wet, it dries rapidly and recovers its swift response time. In low-humidity conditions, the sensor will auto-calibrate to ensure accurate measurement. Vaisala DMP5 belongs to the Indigo family and works with Indigo500 and Indigo200 series transmitters. It’s compatible with Vaisala Insight PC software for data visualization, probe configuration, and self-calibration.

Dimension

Key Benefits

Measure Dew Point Directly In Hot Processes
Vaisala DMP5 is designed for measuring dew point in hot processes, ranging from -40°C (-40°F) to 100°C (212°F). It provides accurate measurements with a margin of ± 2°C up to temperatures of 140°C (284°F), and it’s safe for use up to 180°C (+365°F). Installation is easy since the probe can be directly installed in the process. Plus, with in-line measurement, there’s no need for a sampling system or sample line heating.

Vaisala DRYCAP Sensor For Accurate & Reliable Measurements
The Vaisala DRYCAP sensor is precise, dependable, and consistent. It’s resistant to condensation and can withstand particulate contamination, oil vapor, and many chemicals. Sensor warming prevents condensation buildup. If the sensor gets wet, it dries quickly and bounces back. Its auto-calibration feature guarantees accurate and stable readings. The chemical purge function heats the sensor periodically to remove harmful substances, ensuring accuracy even in chemical-heavy environments between calibrations.

Use Standalone Or With An Indigo Transmitter
Vaisala DMP5 belongs to the Vaisala Indigo family, making it compatible with Vaisala Indigo series transmitters. These transmitters offer additional benefits like a display for data viewing, easy probe configuration, and more connectivity options for automation systems, supply voltage, and wiring. With built-in Modbus RTU over RS-485 output, the DMP5 can function independently or integrate seamlessly into third-party systems. Whether used alone or with an Indigo transmitter, it can connect to Vaisala Insight PC software for simple field calibration, probe setup, and device analysis.

Dpstar is a leading supplier of environmental measurement sensors for temperature, relative humidity, pressure, dew point, CO2, and other environmental condition monitoring for industrial process application and research. Since the ’90s, we earned a reputation as a trusted partner to our clients through our commitment and dedication. We are an authorized distributor and supplier of measuring sensors solutions from renowned manufacturers Vaisala. Vaisala is a global leader in environmental and industrial measurement. Building on 80 years of experience, Vaisala provides observations for a better world. Vaisala is a reliable partner for customers around the world, offering a comprehensive range of innovative observation and measurement products and services.

Specification

Measurement Performance
Dew point
Sensor DRYCAP 180S
Measurement range −40 … +100 °C (−40 … +212 °F) Td/f
Accuracy ±2 °C (±3.6 °F) Td/f
See accuracy graph
Response time 63 % [90 %] 1)
From dry to wet 5 s [10 s]
From wet to dry 45 s [5 min]
Temperature
Measurement range 0 … +180 °C (+32 … +356 °F) 2)
Accuracy at +100 °C (+212 °F) ±0.4 °C (±0.72 °F)
Temperature sensor Pt100 RTD Class F0.1 IEC 60751
Mixing ratio
Measurement range (typical) 0 … 1000 g/kg (0 … 7000 gr/lbs)
Accuracy (typical) ±12 % of reading
Absolute humidity
Measurement range 0 … 600 g/m3
Accuracy ±10 % of reading (typical)
1) Tested with sintered filter.
2) If sensor warming is enabled, temperature measurement is locked when humidity rises above 80 %RH and warming is switched on.
Operating Environment
Operating temperature range for probe head −40 … +180 °C (−40 … +356 °F)
Operating temperature range for probe body −40 … +80 °C (−40 … +176 °F)
Storage temperature −40 … +80 °C (−40 … +176 °F)
Measurement environment For air, nitrogen, hydrogen, argon, helium, and oxygen 1)
IP rating for probe body IP66
1) Consult Vaisala if other chemicals are present. Consider safety regulations with flammable gases.
Inputs & outputs
Operating voltage 15 … 30 V DC
Current consumption 10 mA typical, 500 mA max
Digital output RS-485, non-isolated
Protocols Modbus RTU
Output Parameters
Absolute humidity (g/m3) Relative humidity (%RH)
Absolute humidity at NTP (g/m3) Relative humidity (dew/frost) (%RH)
Dew point temperature (°C) Temperature (°C)
Dew/frost point temperature (°C) Water concentration (ppmv)
Dew/frost point temperature at 1 atm (°C) Water concentration (wet basis) (vol %)
Dew point temperature at 1 atm (°C) Water mass fraction (ppmw)
Dew point temperature (°C) Water vapor pressure (hPa)
Enthalpy (kJ/kg) Water vapor saturation pressure (hPa)
Mixing ratio (g/kg)
Compliance
EU directives EMC Directive (2014/30/EU)
RoHS Directive (2011/65/EU)
EMC compatibility EN 61326 1, industrial environment
Type approvals DNV GL certificate no. TAA00002YT
Compliance marks CE, China RoHS, RCM
Mechanical Specifications
Connector M12 5-pin A-coded male
Weight 436 g (15.37 oz)
Probe cable length 2 m (6.56 ft) or 10 m (32.8 ft)
Materials
Probe AISI 316L
Probe body AISI 316L
Cable jacket FEP

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