Environmental Monitoring
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GMP251 CO₂ Probe
VaisalaThe Vaisala GMP251 CO₂ Probe has an operating temperature range is -40 … +60 °C and measurement range is 0 … 20%CO₂. Suitable for CO₂ applications including incubators and cold storage.
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GMP252 CO₂ Probe
VaisalaThe Vaisala GMP252 CO₂ Probe can precisely monitor carbon dioxide levels with a range of 0-10,000 ppmCO₂. The probe offers stability, temperature/pressure compensation, and Indigo 201 integration. Ideal for HVAC, agriculture, and more with -40 to +60°C operating range and IP65 housing.
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GMP343 CO₂ Probe
VaisalaVaisala GMP343 CO₂ Probe with excellent accuracy and stability. Features Vaisala CARBOCAP® Sensor, a silicon-based non-dispersive infrared (NDIR) technology for single-beam, dual-wavelength CO₂ measurement.
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GMP80P CO₂ Probe with Pump Sampling
VaisalaThe Vaisala GMP80P CO₂ Probe with Pump Sampling provides precise CO₂ measurement for life science incubators, spot-checks, and hard-to-reach areas, easily monitored and powered by the versatile Indigo80 Handheld Indicator.
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GMW90 C02, Temperature, and Humidity Transmitter
VaisalaThe Vaisala GMW90 CO₂, Temperature, and Humidity Transmitter is an environmental monitor for carbon dioxide, temperature, and humidity. With advanced sensors and easy maintenance, it’s ideal for indoor air quality, HVAC, and process monitoring. Includes CO₂ calibration and communication options.
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GMW93 CO₂+T Wall Mount Transmitter
VaisalaThe Vaisala GMW93 CO₂+T Wall Mount Transmitter delivers precise CO₂ and temperature measurements with a convenient hidden display for easy calibration, tailored for reliable HVAC and IAQ monitoring solutions.
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HM45 Handheld Humidity and Temperature Meter Remote Probe with Handle
VaisalaVaisala HM45 HUMICAP® Hand-Held Humidity and Temperature Meter is an ideal everyday spot-checking tool for HVAC professionals. Measurement range: 0 … 100 %RH, -40 … +60 °C.
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HM70 Handheld Humidity and Temperature Meter
VaisalaThe Vaisala HM70 Handheld Humidity and Temperature Meter is a temperature and humidity meter that also functions as an environmental sensor, providing accurate measurements. It features a graphical display, 3 probe alternatives, and operates with dewpoint and CO2 probes.
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HMD60 Humidity and Temperature Transmitter
VaisalaThe Vaisala HMD60 Humidity and Temperature Transmitter provides exceptional accuracy for HVAC applications. With full 0 to 100 %RH measurement and the Vaisala HUMICAP® Sensor, you can expect excellent accuracy and resistance to dust and chemicals.
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HMD62 Duct-Mount Humidity and Temperature Transmitter
VaisalaThe Vaisala HMD62 is an accurate duct-mount humidity and temperature transmitter with NEMA4X/IP66 housing and 4-20mA analog outputs—ideal for HVAC and industrial applications.
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HMM170 Humidity and Temperature Module
VaisalaThe Vaisala HMM170 Humidity and Temperature Module offers precise measurement in environmental chambers with high pressure or vacuum featuring durable HUMICAP® sensor technology and easy integration with digital and analog outputs.
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HMP1 Humidity and Temperature Probe
VaisalaVaisala HMP1 Humidity and Temperature Probe delivers accurate indoor measurements with HUMICAP® technology, flexible connectivity, sensor purge for contaminants, and easy wall mounting.
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HMP110 Humidity and Temperature Probe
VaisalaThe Vaisala HMP110 is a compact humidity and temperature transmitter for environmental monitoring. It offers low power consumption, a detachable cable, and the HUMICAP® 180R sensor for superior stability.
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HMP155 Humidity and Temperature Probe
VaisalaThe Vaisala HMP155 Humidity and Temperature Probe is a high-performance environmental monitoring sensor. It features a Vaisala HUMICAP®180R sensor for superior stability, a warmed humidity probe, and USB connection.
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HMP60 Humidity and Temperature Probe
VaisalaThe Vaisala HMP60 Humidity and Temperature Probe is a miniature sensor for environmental monitoring. It features low power consumption, rugged metal housing, and a detachable cable with M8 connector.
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HMP7 Relative Humidity and Temperature Probe
VaisalaThe Vaisala HMP7 Relative Humidity and Temperature Probe with Vaisala’s HUMICAP® technology is designed for high humidity applications. Part of the Indigo product family, it is compatible with Indigo500 and Indigo200 series transmitters.
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HMP80 Handheld Humidity and Temperature Probe
VaisalaThe Vaisala HUMICAP® HMP80 Handheld Humidity and Temperature Probe for measuring humidity and temperature has a wide temperature range with RH accuracy up to ±0.8 %RH and temperature accuracy up to 0.1 °C. The HMP80 probe is used with the Indigo80 handheld meter for taking on-the-spot measurements or data logging.
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HMS112 Outdoor Humidity and Temperature Transmitter
VaisalaThe Vaisala HMS112 Outdoor Humidity and Temperature Transmitter offers precise humidity and temperature measurements with HUMICAP® 180R sensor, ±2 %RH accuracy, NIST traceable calibration, and easy installation with a protective shield.
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HMS80 Humidity and Temperature Transmitter
VaisalaFind the Vaisala HMS80 Humidity and Temperature Transmitter for outdoor air measurement. Range: 0-100% RH, -40°C to +60°C. Accuracy: ±3%RH. IP65 rating, current output, and solar radiation shield included. Ideal for HVAC.
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HMS82 Outdoor Humidity & Temperature Transmitter
VaisalaThe Vaisala HMS82 Outdoor Humidity & Temperature Transmitter offers ±3% RH accuracy, an integrated radiation shield, and selectable measurement outputs for reliable outdoor monitoring.
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HMS83 Humidity and Temperature Transmitter
VaisalaThe Vaisala HMS83 Humidity and Temperature Transmitter is designed for HVAC applications, with an RH range of 0 to 100%, a temperature range of -40 to +60°C, and a voltage output.
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HMT120/HMT130 Humidity and Temperature Transmitters
VaisalaVaisala HMT120/HMT130 Humidity and Temperature Transmitters offer precise readings with reliability and dust resistance. Equipped with interchangeable probes for easy calibration, these transmitters are ideal for data centers, cleanrooms, and HVAC systems.
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HMT310 Humidity and Temperature Transmitter
VaisalaThe Vaisala HMT310 Humidity and Temperature Transmitter is the latest solution for accurate measurements. With a HUMICAP® sensor and full measurement range, it’s easy to integrate and perfect for environmental monitoring.
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HMT330 Humidity and Temperature Transmitter
VaisalaThe Vaisala HUMICAP® HMT330 Humidity and Temperature Transmitter offers stable measurements and extensive customization for demanding industrial applications. Range: 0–100% RH, temperature up to +180°C. HMT330 series is now being discontinued. Please see the Indigo range of products.
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HMT370EX Humidity and Temperature Transmitter
VaisalaThe Vaisala HMT370EX Humidity and Temperature Transmitter is intrinsically safe for hazardous areas, measuring RH, T, and various humidity parameters with high accuracy, robust design, and wide temperature range.
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HMW88 RH + T Wall-Mount Transmitter
VaisalaVaisala HMW88 RH + T Wall-Mount Transmitter provides reliable humidity and temperature measurement with 4–20 mA outputs, IP65 protection, and Vaisala INTERCAP® sensor.
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HMW88D RH + T Wall-Mount Transmitter with Display
VaisalaVaisala HMW88D RH + T Wall-Mount Transmitter with Display provides reliable humidity and temperature measurement with IP65 housing, 4–20 mA outputs, and on-site display.
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HMW90 Humidity and Temperature Transmitter Series
VaisalaDownload PDF Read moreDiscover the Vaisala HMW90 Humidity and Temperature Transmitter Series: ±1.7%RH wall transmitters for demanding HVAC. Models include the TMW92, TMW93, HMW92, HMW93, HMW95 with Modbus RTU communication. Ideal for precise environmental monitoring.
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HPP271 Hydrogen Peroxide, Humidity, and Temperature Probe
VaisalaThe Vaisala PEROXCAP® HPP271 Probe series is designed for hydrogen peroxide bio-decontamination. The HPP271 measures only H₂O₂ vapor concentration. Use as standalone or with Vaisala Indigo transmitters.
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HPP272 Hydrogen Peroxide, Humidity, and Temperature Probe
VaisalaThe Vaisala PEROXCAP® HPP272 Probe measures hydrogen peroxide vapor, temperature, relative saturation, relative humidity, dew point, and vapor pressure for bio-decontamination. Use standalone or with Vaisala Indigo transmitters.
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Indigo200 Transmitter
VaisalaVaisala Indigo200 Transmitter for CO₂ Environmental Monitoring. Connects to GMP251, GMP252, HPP272 probes. Wireless config, temp range -40 to +60°C, LCD display.
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Indigo201 Analog Output Transmitter
VaisalaThe Vaisala Indigo201 Analog Output Transmitter is a versatile analog output transmitter for Indigo-compatible probes, featuring configurable outputs, optional display, and wireless user interface.
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Indigo300 non-display Transmitter
VaisalaThe Vaisala Indigo300 non-display Transmitter sends measurement values to control systems through analog signals, supports various probes, and offers easy configuration and calibration in harsh environments.
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Indigo300 Transmitter
VaisalaThe Vaisala Indigo300 Transmitter with a smart probe connection, sends measurements via analog signals. Features numerical and graphical displays, versatile mounting, and IP65-rated housing for harsh conditions. Access control with a 4-mm Allen key.
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Indigo510 Transmitter
VaisalaThe Vaisala Indigo510 Transmitter is a universal unit for Indigo-compatible probes, measuring humidity, temperature, CO₂, H₂O₂, dew point, and moisture in oil. It displays and transmits data via analog signals or Modbus TCP/IP.
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Indigo520 Barometric Pressure Transmitter
VaisalaThe Vaisala Indigo520 Barometric Pressure Transmitter is a combination of a meteorological-grade barometer in a single industrial instrument. With absolute pressure measurement range of 500 … 1100 hPa and a total accuracy ±0.15 hPa, this instrument relies on Vaisala’s own HUMICAP & BAROCAP sensor technologies.
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Indigo520 for Process Refractometers
VaisalaDownload PDF Read moreThe Vaisala Indigo520 for Process Refractometers offers data logging, wash control, and trend monitoring. Ideal for pulp & paper, chemical, petrochemical, and oil & gas industries.
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Indigo520 Universal Transmitter
VaisalaThe Vaisala Indigo520 Universal Transmitter is used with Indigo-compatible probes for measuring humidity, dew point, carbon dioxide CO2, & vaporized hydrogen peroxide. It supports two detachable probes simultaneously and has ethernet connection with Modbus TCP/IP and web interface for remote access.
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Lead-through Set For Indigo500
VaisalaThe Vaisala Lead-through Set For Indigo500 is perfect for Indigo500 instrumentation and ethernet cabling. Includes cable glands and conduit fittings for seamless installation.
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Loop Powered LED Display
VaisalaFind the Vaisala Loop Powered LED Display Nokeval 302 at Hinco, WA. Powered by 4–20 mA, it features configurable scaling, alarm relays, and IP65-rated durability.
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Meteodigit
LambrechtDigital Anemometer
Discontinued – Contact us for other options.
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MGP241 CO₂ Probe
VaisalaThe Vaisala MGP241 CO₂ Probe provides continuous carbon dioxide and humidity measurement in CCUS applications with direct pipeline installation, eliminating sample treatment. It features Modbus RTU, analog outputs, and external compensation for high accuracy.
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MI70 Measurement Indicator
VaisalaThe Vaisala MI70 Measurement Indicator is a versatile, user-friendly device supporting multiple probes for humidity, temperature, dewpoint, moisture in oil, and CO₂. It features a multilingual interface and connects to Vaisala transmitters.
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MMPX Moisture in Oil and Temperature Probe
VaisalaThe Vaisala MMPX Moisture in Oil and Temperature Probe is optimized for precise moisture measurement in various oils. Compatible with Indigo systems, it offers Modbus RTU communication and CIGRE-recommended calibration for reliable results.
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MW Pocket Wind Meter
DwyerOmegaThe DwyerOmega MW Pocket Wind Meter monitors wind speed and temperature with selectable air velocity ranges and a protective housing that floats, making it perfect for on-the-go environmental monitoring.
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NiMH 4.8V HM47438 26755 Battery
VaisalaVaisala NiMH 4.8V HM47438 26755 Battery, a rechargeable 4.8V pack, ensures reliable power for MI70 indicators and is compatible with HM70, DM70, MM70, and GM70 meters.
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O-45 Outside Air Temperature Sensor
DwyerOmegaDwyerOmega O-45 Outside Air Temperature Sensor, manage your environmental monitoring with this reliable device. The Model O-45 is designed to measure outside air temperatures in building automation systems or room temperatures within agricultural ventilation houses.
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OM-22 / OM-23 / OM-24 PDF Temperature & Humidity Data Loggers
DwyerOmegaDwyerOmega OM-22, OM-23 and OM-24 PDF Temperature and Humidity Data Loggers with USB plug-and-play, EN 12830, LCD, MIN/MAX and onboard config—OM-22: temp; OM-23: temp + external probe; OM-24: temp + humidity.
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P2524
ZealCase
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P2528 Whirling Pattern Hygrometer
ZealThe Zeal P2528 Whirling Pattern Hygrometer is robust, accurate, portable. Spirit-filled tubes, -5°C to +50°C range. Ideal for precise humidity measurement.
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