Relative Humidity and Temperature Probe HMP4
Relative Humidity and Temperature Probe HMP4
Vaisala HUMICAP® Humidity and Temperature Probe HMP4 is designed for high-pressure applications such as compressed air systems in maritime, breathing air, and industrial applications, where measurement performance and chemical tolerance are essential. The HMP4 is part of the Indigo product family and compatible with Indigo 200 Series Host Devices and free Insight PC Software.
Key Benefits
Proven Vaisala HUMICAP Performance
Vaisala is the original innovator of the thin-film capacitive humidity measurement technology, which has now become the industry standard in humidity measurement.
Chemical Purge Minimizes Effects of Contaminants
In environments with high concentrations of chemicals and cleaning agents, the chemical purge option helps to maintain measurement accuracy between calibration intervals.
Flexible Connectivity
The probe is plug and play compatible with Vaisala Indigo host devices, can be used as a standalone digital Modbus RTU transmitter, or connected to Vaisala Insight™ PC Software.
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Overview
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Unique Benefits of the HUMICAP Sensor Technology |
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Excellent long-term stability |
| Insensitive to dust and most chemicals |
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Chemical purge option for stable measurements in environments with high concentrations of chemicals |
| Sensor heating for measurements even in condensing environments |
| Full recovery from condensation |
Features
RH accuracy up to 0.8 %RH, Temperature accuracy up to 0.1 °C (0.18 °F)
Temperature measurement range -70 ... +180 °C (-94 ... +356 °F)
Operating pressure 0 ... 10 MPa (0 ... 100 bar)
Sensor purge provides superior chemical resistance
Modbus RTU over RS-485
Plug & play compatible with Indigo™ series of transmitters
Traceable calibration certificate: 5 points for humidity, 1 point for temperature
Stories
Blog | Oct 25th 2018
Relative Humidity – What Is It And Why Is It Important?
The basics Put simply, relative humidity (RH) is a measure of the water vapor content of air. More explicitly, it is the amount of water vapor...
Blog | Jan 23rd 2018
Is Your Humidity Sensor Robust Enough?
Many companies still struggle with measurement instruments, which have low-quality sensors. They are easily available but also easily broken. In...
Events
Event | Jun 25th 2019
Sensor+Test 2019
Come and meet us at Sensor+Test 2019 You can find our experts at stand 1-347 in Hall 1 where we will be presenting our latest products and...