Relative Humidity and Temperature Probe HMP8 for pressurized processes Image Vaisala HUMICAP® Humidity and Temperature Probe HMP8 is designed for pressurized applications in compressed air systems, refrigerant dryers, and other pressurized industrial applications where easy insertion and removal of the probe and adjustable installation depth into the pipeline are needed. The HMP8 is part of the Indigo product family and compatible with Indigo500, Indigo300 and Indigo200 series transmitters and free Insight PC Software.Click here to download bid specs for USA. Buy Now Datasheet Contact us Order form 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) Sensor purge provides superior chemical resistance Probe installation depth can be freely adjusted and probe can be hot-swapped from pressurized pipelines with an installation valve Modbus RTU over RS-485 Plug & play compatible with Indigo™ series of transmitters Traceable calibration certificate: 5 points for humidity, 1 point for temperature 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 series transmitters, can be used as a standalone digital Modbus RTU transmitter, or connected to Vaisala Insight™ PC Software. Indigo Selector Discover your ideal Indigo compatible probe and transmitter combinations with the Indigo Selector tool. Indigo Selector Product documentation Datasheets User guides Order form Technical notes More in Docs.vaisala.com More downloads Comparison table: Comparison of Vaisala humidity and temperature instruments for demanding industrial applications (1.49 MB) Brochure: Vaisala Indigo Family brochure (1.24 MB) Comparison table: Comparison of Indigo transmitters and Indigo compatible probes for humidity applications (1.49 MB) Brochure: Selecting the right filter for humidity instruments Korean Register (KR) Type Approval Certificate for Maritime industry (315.8 KB) Product Resources Tool Indigo Selector Discover your ideal Indigo compatible probe and transmitter combinations with the Indigo Selector tool. Learn more Calculator Humidity Calculator Vaisala Humidity Calculator makes your complex humidity calculations and conversions easy. It covers all popular parameters and is effortless to use. Calculate several humidity parameters based on only one known value and tolerance. Learn more Webinar Real-life use cases of humidity calculations In this webinar, we will cover real-life use cases of humidity calculations and answer the most asked questions, such as how to interpret humidity calculator values? What to take into account when adjusting process? Register to watch Blog Indigo500 series dual-probe support Learn about the benefits of using two probes measuring either the same parameter or two different ones. Read more Blog What is a smart measurement probe and what makes it special? Environmental measurement devices are also becoming smart. Unlike in the past when measurement probes could not be used on their own, the new wave of smart measurement probes can operate independently without additional transmitters. Learn more
Comparison table: Comparison of Vaisala humidity and temperature instruments for demanding industrial applications (1.49 MB) Brochure: Vaisala Indigo Family brochure (1.24 MB) Comparison table: Comparison of Indigo transmitters and Indigo compatible probes for humidity applications (1.49 MB) Brochure: Selecting the right filter for humidity instruments Korean Register (KR) Type Approval Certificate for Maritime industry (315.8 KB)