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The Vaisala HMM100 provides reliable humidity measurement and a configurable analog output for integration into environmental chambers and OEM equipment.

• 0–100% RH measurement range
• Relative-humidity or dew-point output
• Current and voltage output options
• Plastic or stainless-steel probes for temperatures up to +180 °C

The Vaisala PDT101 and PDT102 provide precise low differential-pressure measurement for cleanrooms, isolation rooms, regulated facilities, data centres and air-handling systems.

• PDT101 accuracy up to 0.40% of span
• PDT102 high accuracy up to 0.25% of span
• 4–20 mA or voltage output configurations
• Compatible with Vaisala viewLinc monitoring solutions

The Vaisala CAB100 centralises differential-pressure transmitters, analog inputs and interface components for cleanroom and industrial monitoring with the viewLinc Continuous Monitoring System.

• Preconfigured cabinet for viewLinc monitoring systems
• CAB100A and higher-capacity CAB100B models
• Differential pressure, analog input and hazardous-area options
• IP54 or IP66 enclosure protection, depending on model

The Vaisala TMI110 provides high-accuracy temperature measurement for data-centre chilled-water systems, HVAC cooling and heating circuits, and ventilation ducts.

• ±0.1 °C accuracy at +20 °C
• Fast response time of less than 8 seconds
• 4–20 mA or Modbus RTU output options
• IP65 enclosure with traceable calibration certificate

The Vaisala HMM170 provides accurate and stable humidity and temperature measurement for demanding environmental chambers, including vacuum and pressurised applications.

• Humidity accuracy up to ±1.0% RH
• Temperature measurement from −70 to +180 °C
• Modbus RTU and three configurable analog outputs
• Probe heating, sensor warming and chemical-purge options

The Vaisala GM70 was a portable carbon-dioxide meter for diffusion measurements, pump sampling, data logging and field checking fixed CO₂ instruments.

• Discontinued product; not recommended for new purchases
• GMP221 probes for percentage-level CO₂ up to 20%
• GMP222 probes for ppm-level CO₂ up to 10,000 ppm
• GMH70 diffusion handle or GM70PUMP sampling system
• MI70 indicator with numerical, graphical and logging functions
• Used for field checking compatible fixed Vaisala CO₂ instruments
• Use Vaisala Indigo80 for new portable measurement systems

The Vaisala GMW80 Series provides dependable, cost-efficient room measurement for demand-controlled ventilation and indoor air-quality applications.

• CO₂ measurement ranges up to 2000 or 5000 ppm, depending on model
• Temperature measurement from 0 to +50 °C on selected models
• Optional relative-humidity measurement from 0 to 95 %RH
• Voltage, current, relay, Pt1000 and Modbus RTU options
• Display or colour CO₂ indicator available on selected models
• Stable Vaisala CARBOCAP® technology for continuously occupied buildings
• Quick installation with correct CO₂ readings immediately after start-up

The Vaisala GMP343 is a rugged, high-accuracy carbon-dioxide probe for outdoor monitoring, ecological research, soil respiration, plant-growth chambers and demanding OEM applications.

• Selectable CO₂ ranges from 0–1000 ppm to 0–2%
• Diffusion-aspirated or flow-through sampling models
• Accuracy up to ±(3 ppm + 1% of reading)
• Temperature, pressure, humidity and oxygen compensation
• RS-232, RS-485, 4–20 mA, 0–2.5 V or 0–5 V outputs
• Raw and numerically filtered measurement data
• IP67 probe housing with the cable connected
• Compatible with MI70 for portable display and logging

The Vaisala RFL100 uses secure, long-range VaiNet wireless technology to monitor temperature, relative humidity and carbon dioxide with the AP10 Access Point and viewLinc Continuous Monitoring System.

• At least 50 m typical indoor wireless range
• Up to 32 RFL100 data loggers per AP10
• 30 days of local measurement memory
• Approximately 18 months of battery operation for temperature and humidity monitoring

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