Vaisala Indigo300 Industrial Transmitter

The Vaisala HPP270 Series provides stable, repeatable measurement for demanding vaporized hydrogen peroxide bio-decontamination processes.

• HPP271 measures vaporized H₂O₂ concentration
• HPP272 adds relative saturation, relative humidity and temperature
• H₂O₂ measurement range from 0 to 2000 ppm
• Accuracy of ±10 ppm or 5% of reading, whichever is greater
• Two 4–20 mA outputs or RS-485 with Modbus RTU
• IP65 stainless-steel construction with Vaisala PEROXCAP® technology
• Compatible with Vaisala Indigo transmitters and Indigo80

The Vaisala HMP3 is a high-accuracy, field-maintainable probe for industrial HVAC, air-handling units, cleanrooms, paint booths and environmental chambers.

• Humidity accuracy up to ±0.8% RH
• Temperature measurement from −40 to +120 °C
• Field-replaceable filter and HUMICAP sensor option
• Standalone Modbus RTU or Vaisala Indigo transmitter operation

The Vaisala HMP7 is designed for continuously humid, rapidly changing and near-condensing environments. Probe heating helps prevent condensation while maintaining reliable process measurement.

• Humidity accuracy up to ±0.8% RH
• Probe heating for condensation prevention
• −70 to +180 °C probe-head measurement range
• Standalone Modbus RTU or Vaisala Indigo transmitter operation

The Vaisala HMP8 provides high-accuracy humidity and temperature measurement in compressed air, refrigerant dryers and pressurised industrial processes up to 40 bar.

• Humidity accuracy up to ±0.8% RH
• Operating pressure from vacuum to 40 bar
• Adjustable insertion depth with two probe lengths
• Optional ball valve for insertion and removal under process conditions

The Vaisala HMP9 combines a miniature 5 mm probe head with fast-response, high-accuracy humidity and temperature measurement for tight spaces and rapidly changing environments.

• Humidity accuracy up to ±0.8% RH
• Temperature accuracy up to ±0.1 °C
• −40 to +120 °C probe-head measurement range
• Standalone Modbus RTU or Vaisala Indigo transmitter operation

The Vaisala MMP8 provides continuous online measurement of dissolved moisture and temperature in transformer oil, lubrication oil, hydraulic fluid and other liquid hydrocarbons.

• Measures water activity from 0 to 1 a_w, relative saturation, temperature and ppm_w
• Dry-end accuracy up to ±0.01 a_w or ±1%RS
• Temperature measurement from −40 to +180 °C
• Available in standard 262 mm and long 448 mm probe versions
• Adjustable insertion depth with ISO 1/2 or NPT 1/2 process fittings
• Standalone Modbus RTU or connection to Vaisala Indigo transmitters

The Vaisala DRYCAP® Dew Point and Temperature Probe DMP5 measures humidity directly in hot industrial processes with a long stainless-steel probe and adjustable installation depth.

• Direct in-line measurement at process temperatures up to +180 °C
• Dew point measurement range from −40 to +100 °C Td/f
• Long probe reaches through insulation and thick process walls
• Built-in Modbus RTU or integration with Vaisala Indigo transmitters
• Connect to Indigo80 for portable display, diagnostics, configuration and field calibration

The Vaisala DRYCAP® Dew Point Probe DMP6 measures humidity directly inside very hot industrial processes using a robust probe and passive cooling set.

• Direct in-line measurement at process temperatures from +100 to +350 °C
• Dew point measurement range from −25 to +100 °C Td/f
• Passive cooling requires no power, cooling water or moving components
• Built-in Modbus RTU or integration with Vaisala Indigo transmitters
• Connect to Indigo80 for portable display, diagnostics, configuration and field calibration

The Vaisala DRYCAP® Dew Point and Temperature Probe DMP8 provides reliable low-humidity measurement in pressurised pipelines with adjustable installation depth.

• Dew point measurement range from −70 to +80 °C Td/f
• Designed for pressurised processes from 0 to 40 bar absolute
• Adjustable insertion depth with ISO R 1/2 or NPT 1/2 process connection
• Optional ball-valve kit permits insertion and removal without shutting down the process
• Use with Modbus RTU, an Indigo transmitter or the portable Indigo80 handheld indicator

The Vaisala GMP251 is an intelligent probe for stable percentage-level carbon-dioxide measurement in incubators, controlled-atmosphere storage and demanding industrial applications.

• CO₂ measurement range from 0 to 20% CO₂
• Accuracy of ±0.1% CO₂ at 5% CO₂
• Compensation for temperature, pressure, humidity and oxygen
• Heated sensor head helps prevent condensation
• 0–20 mA, 4–20 mA, 0–5 V, 0–10 V and RS-485 output options
• Standalone Modbus RTU operation or connection to an Indigo transmitter
• Compatible with Vaisala Indigo80 and Insight PC software
• IP65 probe body with traceable calibration certificate

The Vaisala GMP252 is an intelligent standalone probe for stable ppm-level carbon-dioxide measurement in demanding HVAC, refrigeration, agriculture and industrial applications.

• CO₂ measurement range from 0 to 10,000 ppm
• Measurement up to 30,000 ppm with reduced accuracy
• Accuracy of ±40 ppm from 0 to 3000 ppm
• Compensation for temperature, pressure, humidity and oxygen
• Heated sensor head helps prevent condensation
• 0–20 mA, 4–20 mA, 0–5 V, 0–10 V and RS-485 output options
• Standalone Modbus RTU operation or connection to an Indigo transmitter
• Compatible with Vaisala Indigo80 and Insight PC software

The Vaisala HMP4 provides high-accuracy humidity and temperature measurement in compressed air, breathing air, industrial gases, vacuum systems and other processes operating at pressures up to 100 bar.

• Operating pressure below 100 bar, including vacuum applications
• Humidity accuracy up to ±0.8% RH
• Temperature range from -70 °C to +180 °C
• Standalone Modbus RTU or connection to an Indigo transmitter

The Vaisala HMP1 is a high-accuracy, interchangeable humidity and temperature probe for indoor spaces. It connects directly to an Indigo200 or Indigo300 transmitter to create a compact wall-mounted measurement system.

• Humidity accuracy up to ±1.0% RH
• Temperature accuracy up to ±0.2 °C
• 0–100% RH and −40 to +60 °C measurement ranges
• Modbus RTU and full Vaisala Indigo compatibility

The Vaisala HMP5 provides high-accuracy humidity and temperature measurement in ovens, dryers, kilns and other processes operating at temperatures up to +180 °C.

• Humidity accuracy up to ±0.8% RH
• Temperature accuracy up to ±0.1 °C
• −70 to +180 °C probe-head measurement range
• Standalone Modbus RTU or Vaisala Indigo transmitter operation

The Vaisala DRYCAP® Dew Point and Temperature Probe DMP7 is designed for accurate low-humidity measurement where installation space is limited.

• Short 41 mm probe for remote installation in tight spaces
• Dew point measurement range from −70 to +80 °C Td/f
• Pressure-tight installation for processes from 0 to 10 bar
• Use with Modbus RTU, an Indigo transmitter or the portable Indigo80 handheld indicator
• Suitable for dry rooms, compressed air, industrial drying and semiconductor equipment

The Vaisala Indigo80 is a robust handheld indicator and data logger for industrial spot checks, process diagnostics, field calibration and measurement data analysis.

• Connect and display measurements from up to two compatible probes
• Measure humidity, temperature, dew point, carbon dioxide and other industrial parameters
• Use with HMP80, DMP80 and GMP80P portable measurement probes
• Record up to approximately 5.5 million real-time measurement values