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Modular Transmitters - Flexibly Customizable Instrument Platform
Measure Success with the Vaisala Indigo Product Family
Forge the path to the future: A revolutionary new approach supports you in measuring your most critical industrial processes. The Vaisala Indigo Product Family sets new standards in industrial measurements – with world-leading sensor technology and a modular design. Interchangeable intelligent probes, robust transmitters, and the PC software Vaisala Insight form a powerful ecosystem to ensure energy efficiency, safety, and end product quality in your operations.
Thanks to modular plug-and-play construction, the probes and transmitters of the Indigo Product Family can be easily mounted, used, and maintained. Choose a measurement and connect the appropriate probe to one of the transmitters or integrate the probes into external systems.
Whether you are measuring humidity, temperature, dew point, humidity in oil, carbon dioxide, air pressure, or vaporized hydrogen peroxide, the accuracy and long-term stability of Indigo-compatible probes are unparalleled. The probes provide repeatable measurements with high resolution and data you can rely on. This helps you make better decisions – and that's the long-term goal.
Interchangeable Probes and Robust Transmitters - An Advanced Ecosystem
Probes with the Highest Accuracy
- Probes for humidity (in oil), temperature, dew point, carbon dioxide, air pressure, & vaporized hydrogen peroxide
- High-quality and precise Vaisala sensor technologies
- Can be used as standalone devices or with Indigo transmitters
Transmitters with Added Value
- Plug-and-play probe connection
- Dual-probe model enables multiparameter measurement
- Display for easy evaluation and visualization
- Additional connection, power, and wiring options
Intuitive Operation & Evaluation
- User-friendly graphical interface
- Quick access to probe data
- Seamless field calibration
- Easy probe configuration
Indigo 200 Series Transmitters
The Vaisala Indigo 200 Series transmitters are host devices for displaying measurements from interchangeable intelligent Vaisala probes. Indigo 200 transmitters send measurement data via analog signals, Modbus RTU communication, or relays to automation and control systems. Indigo transmitters offer an optional display for local data visualization. All Indigo transmitters feature button navigation for easy configuration. The transmitters include multiple options for probe connection, power supply, and wiring.
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Vaisala Indigo 200 Series host devices are part of the Vaisala Indigo product family and have been designed for various intelligent standalone Vaisala probes, including humidity probes (HMP1, HMP3, HMP4, HMP5, HMP7, HMP8, and HMP9), dew point probes (DMP5, DMP6, DMP7, and DMP8), temperature probes (TMP1), CO2 probes (GMP251 and GMP252), oil moisture probes (MMP8), and HPP270 series probes for vaporized hydrogen peroxide, including HPP271 for measuring hydrogen peroxide vapor (ppm) or HPP272 for measuring hydrogen peroxide vapor (ppm), temperature, and humidity (relative humidity and relative saturation). The HPP272 probe includes additional calculated parameters such as dew point and vapor pressure measurements.
Looking for a transmitter with a metal housing? Explore the Indigo 500 Series with support for two probes and many additional features.
Typical applications for the Indigo 200 include industrial drying and compressed air drying, bio-incubators, hatcheries, greenhouses, cold storage and facilities, food transport, CO2 safety, hydraulic and lubricating oil monitoring, and demanding HVAC applications such as livestock barns, swimming pools, parking garages, and facilities where vaporized hydrogen peroxide is used for decontamination.
The Indigo 200 allows for easy data evaluation and visualization, including via Wi-Fi. Installation is straightforward and time-saving. Moreover, probe types are interchangeable, reducing downtime. The IP65-rated housing allows safe operation in harsh environments and is resistant to dust and most chemicals. The smooth housing surfaces are easy to clean.Features of Indigo 200
- Plug-and-play connection for Vaisala Indigo-compatible probes
- Wi-Fi interface for configuration and temporary use
- Operating temperature range: -40 °C … +60 °C, with display -20 °C … +60 °C
- LC color display (optional version without display for analog model)
- IP65-rated housing
- 24 V supply voltage
- Indigo 201 model: three analog outputs (mA or V)
- Indigo 202 model: RS485 with Modbus RTU
- Two configurable relays
Indigo500 Series Measurement Transmitters
The Vaisala Indigo500 series measurement transmitters are host devices for Vaisala Indigo-compatible, standalone, intelligent probes.The Indigo500 series includes the Indigo520 and Indigo510 measurement transmitters. They are available with a touchscreen display made of chemically strengthened (IK08) glass, ideal for local data visualization. Transmitters without displays are also available. The measurement transmitters offer advanced options for probe connection, power supply, and wiring. Their robust metal housing with IP66 and NEMA4 protection ensures reliable performance even in the harshest conditions.
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The Indigo520 measurement transmitter supports up to two probes to simultaneously measure the same or two different parameters. The Indigo510 supports only one probe. When it's time for calibration, simply remove the probe, replace it with a new one, and send the removed probe for calibration without interrupting your process and reducing downtime.
Both measurement transmitters are available with a touchscreen display made of chemically strengthened (IK08) glass for local data visualization. The measurement transmitters also expand connectivity, power supply, and wiring options compared to using just one Indigo-compatible probe. Their robust metal housing with IP66 and NEMA4 protection ensures reliable performance even in the harshest conditions.
The Indigo500 series is also compatible with the oil moisture, hydrogen, and temperature measurement transmitter MHT410 for online monitoring of power transformers.
Features of Indigo500
- Universal measurement transmitter for Indigo-compatible Vaisala probes
- Touchscreen display, also available in non-display version
- Metal housing with IP66 and NEMA4 protection
- Ethernet connection with web interface for remote access
- Modbus TCP/IP protocol
- Multiple power supply options, including PoE (Power over Ethernet) and mains power
- Indigo520 supports two probes simultaneously
- Indigo520 has two relays and four configurable analog outputs
- Indigo510 has two analog outputs
Datasheet Indigo 510 Datasheet Indigo 520
In this comparison sheet, you will find the detailed differences between Indigo520 and Indigo510 to assist you in choosing the right measurement transmitter from the Indigo series.
Intelligent Probes with Highest Accuracy and Stability
The accuracy and long-term stability of Indigo probes are in a class of their own. With them, you gain a sixth sense you can rely on:
The ability to detect even the faintest signals and make better and earlier decisions.
Humidity and Temperature Probes
The Indigo humidity sensors are based on Vaisala's proprietary HUMICAP® technology, known for its excellent long-term stability, sensor heating for condensing environments, complete recovery after condensation, resistance to dust and most chemicals, and the option for chemical cleaning.
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HMP1 - Indoor Environmental Measurement
The Vaisala HUMICAP® humidity and temperature probe HMP1 is designed for indoor environmental measurement. The HMP1 can be directly connected to Indigo200 series measurement transmitters to create a wall-mounted unit. The probe head and housing are integrated into a single device. The HUMICAP® miniature sensor and 5 mm diameter head ensure high stability and fast response time.
Features:
- Wall-mount probe
- Accuracy up to ±1% RH and up to 0.2°C
- Temperature measurement range from -40°C to +60°C
- Sensor cleaning for excellent chemical resistance
- Modbus RTU over RS-485
- Includes certificate for traceable calibration:
6 points humidity, 1 point temperature
Datasheet HMP1
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HMP3 - for Industrial Applications with Moderate Humidity and Temperature
The HMP3 is suitable for various industrial applications with moderate humidity and temperature in industrial HVAC systems, paint booths, cleanrooms, climate chambers.
Features:
- Accuracy up to 0.8% RH and up to 0.1°C
- Temperature measurement range -40°C ... +120°C
- Compatible with the Indigo measurement transmitter series
- PPS plastic grid filter with stainless steel mesh included as standard
- Modbus RTU over RS-485 for flexible connectivity
- Includes certificate for traceable calibration
Datasheet HMP3
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HMP4 - for High-Pressure Applications such as Compressed Air Systems in Sea, Breathing, and Industrial Applications.
Features:
- Accuracy up to 0.8% RH and up to 0.1°C
- Temperature measurement range from -70°C to +180°C
- Operating pressure range 0 to 10 MPa (0 to 100 bar)
- Sensor cleaning for excellent chemical resistance
- Modbus-RTU over RS-485
- Plug-and-play compatible
- Traceable calibration certificate:
5 points for humidity, 1 point for temperature
Datasheet HMP4
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HMP5 - for High-Temperature Applications such as Industrial Ovens
Features
- Accuracy up to 0.8% RH and up to 0.1°C
- Temperature measurement range from -70°C to +180°C
- 250 mm probe length for easy installation through insulating materials
- Sensor cleaning for excellent chemical resistance
- Modbus-RTU over RS-485
- Plug-and-play compatible
- Traceable calibration certificate:
5 points for humidity, 1 point for temperature - AISI316L sinter filter included as standard
Datasheet HMP5
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HMP7 - for Applications with Constant High or Rapidly Changing Humidity
..., such as in drying and test chambers, combustion air and other humidifiers, as well as meteorological measurements.Features:
- Accuracy up to 0.8% RH and up to 0.1°C
- Temperature measurement range from -70°C to +180°C
- Steam and pressure-resistant construction
- Heating function minimizes sensor condensation
- Sensor cleaning for excellent chemical resistance
- Plug-and-play compatible
- Modbus-RTU over RS-485
- Traceable calibration certificate:
6 points for humidity, 1 point for temperature
HMP7 Datasheet
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HMP8 - for pressurized processes
...such as compressed air systems, refrigerated dryers, and other industrial compressed air applications.Features:
- Humidity accuracy up to 0.8% RH, temperature accuracy up to 0.1°C
- Temperature measurement range -70°C to +180°C
- Sensor cleaning for excellent chemical resistance
- Selectable installation depth of the probe. A ball valve allows for probe removal from pressurized lines during operation.
- Modbus-RTU via RS-485
- Plug-and-play compatible with the Indigo™ transmitter series
- Traceable calibration certificate: 5 points for humidity, 1 point for temperature
HMP8 Datasheet
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HMP9 - rapid response and chemical resistance
Features:
- Miniature probe head with low thermal mass for outstanding response time
- Humidity accuracy up to 0.8% RH and up to 0.1°C temperature accuracy
- Temperature range from -40°C to +120°C
- Sensor cleaning for excellent chemical resistance
- Modbus RTU via RS-485
- Traceable calibration certificate: 6 points for humidity, 1 point for temperature
- M10×1.5 cable entry for mounting the probe head included
HMP9 Datasheet
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TMP1 - for demanding temperature measurements, e.g., in the pharmaceutical industry and calibration labs.
Features:
- Miniature probe head with low thermal mass for outstanding response time
- Humidity accuracy up to 0.8% RH and up to 0.1°C temperature accuracy
- Temperature range from -40°C to +120°C
- Sensor cleaning for excellent chemical resistance
- Modbus RTU via RS-485
- Traceable calibration certificate: 6 points humidity, 1 point temperature
- M10×1.5 cable entry for mounting the probe head included
Vaisala TMP1 Datasheet
Carbon Dioxide Probes
Indigo-compatible carbon dioxide (CO2) probes are based on the unique Vaisala CARBOCAP® technology, enabling exceptional stability. They are ideal for applications such as incubators, greenhouses, fruit and vegetable storage, animal shelters, and demand-controlled ventilation systems.
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GMP251 for volume percent range measurements
The CO2 transmitter is an intelligent standalone probe for measuring CO2 concentration. Typical applications include horticulture, storage and transportation, greenhouses, mushroom cultivation, leakage monitoring, demand-controlled ventilation in harsh environments, and bioincubators.
- Measurement range from 0 to 20% CO2
- Intelligent standalone probe with analog (V, mA) and digital (RS485) outputs
- High long-term stability thanks to second-generation proprietary CARBOCAPTM technology
- Operating temperature range from -40°C to +60°C
- IP65-rated housing
- Complete temperature and pressure compensation
- Integrated temperature measurement for CO2 compensation
- Compensation for background gases, O2, and humidity
- Heated sensor head to prevent condensation
Datasheet
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GMP252 for ppm measurements of 0 to 10,000 ppm CO2
The Vaisala CARBOCAP carbon dioxide probe GMP252 is a new intelligent probe for measuring carbon dioxide. The robust probe is especially designed for demanding applications in agriculture, greenhouses, and HVAC systems for greenhouses.- Measurement range from 0 to 10,000 ppm CO2
- Intelligent probe with analog (V, mA) and digital (RS485) outputs
- High long-term stability thanks to second-generation proprietary CARBOCAPTM technology
- Operating temperature range from -40°C to +60°C
- IP65-rated housing
- Complete temperature and pressure compensation
- Integrated temperature measurement for CO2 compensation
- Compensation for background gases, O2, and humidity
- Heated sensor head to prevent condensation
Datasheet
Hydrogen Peroxide Probes
Vaisala probes for vaporized hydrogen peroxide feature the unique PEROXCAP® technology, enabling accurate and repeatable measurements of the biodecontamination cycle with a single probe.
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HPP272 - Measurements in vaporized hydrogen peroxide, humidity, and temperature in biodecontamination processes
The Vaisala PEROXCAP® HPP272 is a new intelligent 3-in-1 measurement probe with digital and analog outputs. It is designed for manufacturing facilities, service providers, and end-users utilizing vaporized H2O2 for their biodecontamination processes. In addition to H2O2, the compact HPP272 also measures temperature and humidity (relative humidity and relative saturation). The 3-in-1 probe is particularly suitable for the biodecontamination of isolators, material airlocks, and rooms. Even in high humidity conditions, the HP272 provides reliable and accurate measurements.
- Excellent long-term stability
- Traceable calibration certificate
- Corrosion-resistant housing (IP65 protection)
- Compatible with the outputs of the used Indigo transmitter
Datasheet Information on Peroxcap Technology
Dew Point Probes
The dew point probes of the Indigo series are based on Vaisala's DRYCAP® technology. Their unparalleled performance is based on the capacitive thin-film polymer sensor and auto-calibration function. Probes with the DRYCAP sensor provide long-term accurate measurements, significantly reducing maintenance needs.
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DMP5 - for inline measurements in high-temperature applications < 180°C such as industrial drying.
The DMP5 is designed for direct measurement in hot and dry processes. The long and robust steel probe and an optional installation flange make it easy to install through insulation, for example, in ovens, with variable insertion depth.- Humidity measurements at temperatures up to +180°C
- Dew point measurement range -40°C ... +100°C Td/f
- Dew point measurement accuracy up to ±2°C Td/f
- Sensor cleaning for improved long-term stability and chemical resistance
- Condensation resistance
- Modbus RTU via RS-485
DMP5 Datasheet - +
DMP6 - for inline measurements at very high temperatures < 350°C.
The DMP6 dew point probe is designed for humidity measurement in industrial applications with very high temperatures. The high-temperature resistance is achieved through a passive cooling system.- Humidity measurements at high temperatures up to +350°C
- Dew point measurement range -25°C ...+100°C Td/f
- Dew point measurement accuracy up to ±2°C Td/f
- Sensor cleaning for excellent chemical resistance
- Condensation resistance
- Modbus RTU via RS-485
DMP6 Datasheet
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DMP7 - for remote installations in tight spaces with a measuring range up to -70 °C.
The dew point and temperature probe DMP7 has been developed for low humidity applications. Due to its compact size, it can be installed in confined spaces. Examples of applications include semiconductor manufacturing facilities, industrial drying systems, compressed air systems, and dry rooms.- Dew point measuring range -70 °C ... +80 °C Td/f
- Dew point measuring accuracy up to ±2 °C Td/f
- Sensor cleaning for excellent chemical resistance
- Resistant to condensation, oils, dust, and most chemicals
- Modbus RTU via RS-485
DMP7 Datasheet- +
DMP8 - for pressure pipelines < 40 bar with a measuring range up to -70 °C.
The DMP8 dew point and temperature probe has been developed for industrial applications with low humidity. The sensor is insensitive to particle contamination, condensation, oil vapor, and most chemicals. Typical applications include industrial drying, compressed air systems, and applications in the semiconductor industry.- Dew point measuring range -70 °C ... +80 °C Td/f
- Dew point measuring accuracy up to ±2 °C Td/f
- Operating pressure range probe head 0 ... 4 MPa (0 ... 40 bar)
- Adjustable installation depth
- Resistant to condensation, oils, dust, and most chemicals
- Sensor cleaning for excellent chemical resistance
- Modbus RTU via RS-485
DMP8 Datasheet
Humidity in Oil
The proven Vaisala HUMICAP® sensor is used in the oil humidity probe. This sensor has been developed for demanding humidity measurements.
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MMP8 - for demanding and continuous online humidity measurements in transformer and lubricating oils, hydraulic fluids, and other liquids
The oil humidity probe MMP8 ensures fast and reliable measurements of humidity content in oils.- Continuous online measurement of oil humidity and temperature
- Temperature measuring range -40 °C ... +180 °C
- Measurement accuracy up to ±0.01 aw (±1 % rS)
- Vaisala HUMICAP Sensor - proven for more than 15 years in oil humidity measurements
- Modbus RTU via RS-485
MMP8 Datasheet
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