Liquid Filled Explosion Proof Thermometer with MicroSwitch ES-UT

The Vaisala Indigo500 Series provides flagship industrial measurement integration: choose Indigo510 for a simplified single-probe system or Indigo520 for full dual-probe capability.

• Indigo510: one probe and two isolated analog outputs
• Indigo520: two probes, four isolated outputs and two relays
• Ethernet web interface and Modbus TCP communication
• Rugged IP66 and NEMA 4 metal enclosure

The Vaisala HMX110 Series provides accurate humidity and temperature measurement for demanding indoor, duct and outdoor HVAC applications.

• Humidity accuracy up to ±2% RH
• Wall, duct, outdoor and immersion models
• 4–20 mA or Modbus RTU configurations
• Traceable calibration certificate included

The Vaisala HMT370EX provides humidity, temperature and moisture measurement in hazardous areas containing potentially explosive gases or dust, with certified configurations for operation up to Zone 0 and Zone 20.

• Intrinsically safe Ex i transmitter for hazardous areas
• Probe options from −70 to +180 °C
• Two configurable 4–20 mA measurement channels
• Replaceable probes with traceable calibration certificate

The Vaisala TMP1 is a robust temperature-only probe for demanding industrial processes, pharmaceutical applications and calibration laboratories.

• Temperature measurement range from −70 to +180 °C
• Accuracy up to ±0.1 °C at +23 °C with standard calibration
• Pt100 RTD Class F0.1 sensor according to IEC 60751
• Standalone Modbus RTU over RS-485
• Compatible with Vaisala Indigo200, Indigo300, Indigo500 and Indigo80
• Traceable two-point calibration certificate included
• Ask Seacom about the suitable TMP1 configuration

The Vaisala DPT145 provides online dew-point, pressure and temperature measurement for SF6-insulated electrical equipment. The model is being discontinued and should not be specified for new projects.

• Measures dew point, pressure and temperature
• Calculates SF6 density, normalised pressure and moisture in ppm
• RS-485 communication with Modbus RTU
• Contact Seacom for availability and replacement assessment

The compact Vaisala HM40 Series provides reliable humidity and temperature spot checks for HVAC, construction, warehouses, laboratories, museums and industrial applications.

• Humidity accuracy up to ±1.5% RH
• HM41, HM42, HM45 and HM46 probe configurations
• Numeric, statistical and graphical trend displays
• Traceable calibration certificate included

The Vaisala PTU300 combined barometric pressure, relative humidity and temperature in one transmitter. The series is discontinued and has been replaced by a suitable Indigo520 barometric-pressure configuration with an application-specific HMP probe.

• Legacy three-in-one pressure, humidity and temperature transmitter
• PTU301, PTU303, PTU304, PTU305, PTU307 and PTU308 variants
• Former applications include laboratories, meteorology and semiconductor measurement
• Current replacement platform: Indigo520 with barometric-pressure measurement
• Humidity probe selected according to mounting and process conditions
• Existing wiring, outputs and process connections require migration review

The Vaisala HMT360 Series was an intrinsically safe transmitter platform for humidity, temperature and moisture measurement in hazardous areas. It is discontinued and replaced by the Vaisala HMT370EX with an application-specific probe.

• HMT361 wall mounting → HMP371
• HMT363 ducts and confined spaces → HMP373
• HMT364 high pressure and vacuum → HMP374
• HMT365 high temperature → HMP375
• HMT367 high humidity → HMP377
• HMT368 pressurised pipelines → HMP378