Temperature Transmitter & Controller

Active filters

Vaisala Origo10

Vaisala Trasmitter Origo10 Series

The Vaisala Origo10 Series comprises modular HVAC transmitters with interchangeable probes for humidity, temperature, CO2 and dew-point measurement.

Available with analog, Modbus RTU and BACnet MS/TP outputs, wall or duct mounting, an optional display and an IP65-rated enclosure.

Vaisala HMP60

Vaisala HMP60 Humidity and Temperature Probe

The Vaisala HMP60 is a compact, durable and cost-effective humidity and temperature probe for equipment integration, data loggers, incubators, glove boxes, greenhouses and environmental monitoring systems.

It provides 0–100% RH and −40 °C to +60 °C measurement ranges, low power consumption, interchangeable Vaisala INTERCAP sensor and optional Modbus RTU communication.

Vaisala HMP110

Vaisala HMP110 High-Accuracy Humidity and Temperature Probe

The Vaisala HMP110 is a high-accuracy humidity and temperature probe designed for demanding equipment integration, environmental chambers, data loggers, incubators and controlled-environment applications.

It provides ±1.5% RH accuracy, a 0–100% RH range, −40 °C to +80 °C temperature measurement, a chemically resistant HUMICAP 180R sensor and analog or Modbus RTU output options.

Vaisala Humidity And Temperature Transmitter XMP10

Vaisala XMP10 Series Humidity and Temperature Probes

The Vaisala XMP10 Series comprises compact humidity and temperature probes offering accuracy levels up to ±1% RH and ±0.1 °C for demanding HVAC, data-centre and critical-environment applications.

The probes feature analog or Modbus RTU outputs, a standard M8 connector, an IP65-rated body and compatibility with Vaisala Origo10 modular HVAC transmitters.

Vaisala XMW85 CO2, Humidity and Temperature Modbus Transmitter

Vaisala XMW85 CO2, Humidity and Temperature Modbus Transmitter

The Vaisala XMW85 Series provides reliable indoor CO2, humidity and temperature measurement for demand-controlled ventilation, smart buildings and indoor air-quality monitoring.

All models support Modbus RTU over RS-485, with two-in-one and three-in-one measurement configurations and optional metric or non-metric displays.

Vaisala Transmitter Indigo300

Vaisala Indigo300 Industrial Transmitter

The Vaisala Indigo300 is a rugged industrial transmitter for one Vaisala Indigo-compatible smart probe, providing local measurement display and up to three configurable analog outputs.

Its corrosion-resistant IP66 metal enclosure, flexible probe mounting and interchangeable probe design make Indigo300 suitable for humidity, temperature, dew point, CO2, moisture in oil and other demanding industrial measurements.

Smart Humidity and Temperature Probe for high temperature HMP5

Vaisala HMP5 High-Temperature Humidity and Temperature Probe

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
Smart Humidity and Temperature Probe for wall mounting HMP1

Vaisala HMP1 Wall-Mounted Humidity and Temperature Probe

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
Smart Humidity and Temperature Probe for high pressure HMP4

Vaisala HMP4 High-Pressure Humidity and Temperature Probe

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
EDL Ultra Bath Stirred Liquid Calibrator UB

EDL Ultra Bath UB Series Temperature Calibration Baths

The EDL Ultra Bath UB Series provides stirred baths for comparison calibration of immersion thermometers and temperature probes.

  • UB-4010: −40 to 100°C.
  • UB-1020: 50 to 200°C.
  • UB-2050: 200 to 550°C.
  • 18-inch-deep tank with space for multiple suitable sensors.
  • Programmable controller and built-in sensor holding system.
EDL Comparison Cryostat Calibrator CryoCal2

EDL CRYO-CAL-2-LI Comparison Cryostat Calibrator

The EDL CRYO-CAL-2-LI uses liquid nitrogen cooling for comparison calibration of compatible temperature sensors.

  • Temperature range: −196°C to 0°C.
  • Standard calibration block with four sensor wells.
  • Controlled non-inductive DC heater.
  • No pumping or stirring system.
  • RS-232 interface and iTools software.
  • 120 V and 240 V power configurations available.
Dry Well Calibrator Practi-Cal

EDL Practi-Cal Dry-Well and Surface Temperature Calibrator

The EDL Practi-Cal Series provides dry-well and surface testing facilities for compatible temperature probes.

  • PRI-1: Ambient to 350°C, aluminium block.
  • PRI-2: Ambient to 650°C, brass block.
  • Interchangeable wells and custom insert options.
  • Provision for an independent reference probe.
  • 0.1°C controller resolution.
  • RS-232 interface and iTools software.
EDL Black Body Calibrator DBB

EDL DBB Dual Black Body Infrared Calibrator

The EDL DBB Series combines hot and cold black body targets for checking compatible infrared thermometers and pyrometers.

  • DBB-350: Cold side −30 to 110°C; hot side ambient to 350°C.
  • DBB-650: Cold side −30 to 110°C; hot side ambient to 650°C.
  • 50.8 mm (2-inch) diameter targets.
  • Provision for external reference sensors, sold separately.
  • RS-232 interface and iTools software.
  • 120 V and 240 V power versions available.
Vaisala Immersion Temperature Transmitter TMI110

Vaisala TMI110 Immersion Temperature Transmitter

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
Hyoda (Japan) Drip Proof Bimetal Thermometer M Series

Hyoda M Series Fluid-Filled Dial Thermometers

The Hyoda M Series provides remote temperature indication through a sensing bulb and capillary tube.

  • M3, M4 and M6 models with 75, 100 and 150 mm dials.
  • Liquid-filled and gas-filled configurations.
  • IP43 standard models and IP65 WP versions.
  • Indication-only or pointer-contact configurations.
Hyoda (Japan) Drip Proof Bimetal Thermometer S6

Hyoda S6 Fluid-Filled Dial Thermometer

The Hyoda S6 is a fluid-filled thermometer with a 150 mm dial and remote sensing bulb connected by capillary tube.

  • Wall-mounted display for convenient temperature reading.
  • S6 with IP43 protection; S6-WP with IP65 protection.
  • Liquid-filled and gas-filled configurations.
  • Indication-only or optional one or two pointer contacts.
  • Optional maximum-temperature pointer.
Hyoda (Japan) Explosion Proof Thermometer with MicroSwitch ES-UT

Hyoda ES-UT Explosion-Proof Thermometer with Microswitch

The Hyoda ES-UT is a liquid-filled temperature instrument with a remote sensing bulb and microswitch contacts.

  • One or two microswitch contacts.
  • Available temperature scales within −70 to 400°C.
  • Wall-mounted enclosure with IP65 protection.
  • Published explosion-proof designation: d2G4.
  • Confirm approval suitability for the installation.
Hyoda KME-2 & KME-4 Temperature Controllers with Microswitch

Hyoda KME-2 & KME-4 Temperature Controllers with Microswitch

The Hyoda KME-2 and KME-4 provide temperature switching through a remote sensing bulb and one microswitch contact.

  • KME-2 includes a temperature indicator.
  • KME-4 operates without a temperature indicator.
  • Liquid-filled and gas-filled configurations.
  • Wall-mounted enclosure with IP43 drip-proof protection.
  • Published contact rating: AC 125 V or 250 V / 5 A.
Temperature Data Loggers DL1016/1416 (CMS, FDA Approved)

Vaisala DL1000, DL1400, DL1016 and DL1416 Temperature Data Loggers for viewLinc CMS

Vaisala DL1000, DL1400, DL1016 and DL1416 temperature data loggers provide reliable, traceable monitoring for refrigerators, freezers, cold rooms, incubators and regulated facilities.

  • Scheduled for future discontinuation; confirm availability before specifying
  • Current replacement platform: Vaisala VDL200 with suitable smart probes
  • Two- or four-channel configurations
  • External probe range down to −90 °C
  • Onboard memory and a typical 10-year battery life
Thermocouple Data Loggers DL1700 (CMS, FDA Approved)

Vaisala DL1700 Thermocouple Data Logger for viewLinc CMS

The Vaisala DL1700 is a four-channel thermocouple data logger for continuous monitoring and validation work at extreme temperatures.

  • Overall application range from −240 to +1760 °C, depending on thermocouple type
  • Accepts J, K, T, E, R and S thermocouples
  • Four thermocouple inputs plus an internal cold-junction reference
  • Works with Vaisala viewLinc for monitoring, alarms and compliant reporting
CO2, Temperature and Humidity Transmitter Series GMW90

Vaisala GMW90 Series CO₂, Temperature and Humidity Transmitters

The Vaisala GMW90 Series provides stable wall-mounted carbon-dioxide and temperature measurement, with optional humidity, for demanding HVAC and building-automation applications.

  • Carbon-dioxide measurement from 0 to 5000 ppm
  • CO₂ accuracy up to ±(30 ppm + 2% of reading)
  • Temperature measurement from −5 to +55 °C
  • Optional HUMICAP® relative-humidity measurement from 0 to 95 %RH
  • Voltage, current or Modbus RTU output models
  • Display and CO₂ status-indicator options
  • Field-exchangeable calibrated measurement modules
  • Traceable three-point CO₂ calibration certificate included
Vaisala HMT370EX Intrinsically Safe Transmitter | Seacom

Vaisala HMT370EX & DMP370 Intrinsically Safe Humidity, Temperature and Dew Point Measurement

The Vaisala HMT370EX provides intrinsically safe humidity and temperature measurement with HMP-series probes. The new DMP370 configuration combines the HMT370EX transmitter with a DMP37X DRYCAP® probe for low-dew-point measurement in hazardous locations.

  • HMP probes for relative humidity and temperature
  • DMP370 dew-point measurement from −70 to +10 °C Td/f
  • Two two-wire 4–20 mA outputs
  • Certified configurations for hazardous gas and dust areas, up to Zone 0 / 20
  • Detachable probes and traceable calibration

DMP370 availability: Vaisala plans first deliveries for Q1 2027. Contact Seacom for configuration and project lead time.

Vaisala TMP1

Vaisala TMP1 High-Accuracy Temperature Probe

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
Indigo200 Series Transmitters for Vaisala smart probes for Vaisala Smart Probes

Vaisala Indigo200 Series Transmitters

The Vaisala Indigo200 Series is the standard transmitter platform for one interchangeable Indigo-compatible smart probe, providing local display and practical automation-system connectivity.

  • Indigo201 with three analog outputs and two relays
  • Indigo202 with Modbus RTU and two relays
  • Colour display with numerical and graphical views
  • IP65 enclosure for industrial measurement applications
Vaisala HMP9

Vaisala HMP9 Compact Humidity and Temperature Probe

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
Vaisala HMP8

Vaisala HMP8 Humidity and Temperature Probe for Pressurised Pipelines

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
Vaisala HMP7

Vaisala HMP7 High-Humidity and Temperature Probe

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
Vaisala HMP3

Vaisala HMP3 General-Purpose Humidity and Temperature Probe

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
Humidity and Temperature Transmitter (Meteorological Grade) HMP155

Vaisala HMP155 Meteorological Humidity and Temperature Probe

The Vaisala HMP155 provides stable humidity and temperature measurement for automatic weather stations, road-weather systems, airports, research sites and demanding outdoor monitoring.

  • Relative-humidity measurement from 0 to 100 %RH
  • Operating range from −80 to +60 °C
  • HMP155A with two analogue voltage outputs
  • HMP155D with RH voltage output and passive four-wire Pt100 temperature
  • HMP155E with RS-485 digital output
  • Optional warmed probe, chemical purge and additional temperature sensor
Vaisala Indigo510 Indigo520 Malaysia

Vaisala Indigo510 and Indigo520 Flagship Transmitters

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
Sato SK-RHC Series Temperature and Humidity Transmitters

Sato SK-RHC Series Temperature and Humidity Transmitters

The Sato SK-RHC Series measures temperature and humidity with a local display and output for compatible monitoring equipment.

  • Voltage, 4–20 mA or RS-485 versions selected when ordering.
  • Plug-in, remote and miniature flexible probe options.
  • Relay alarm with an upper or lower threshold for each parameter.
  • Selectable 1-second or 10-second refresh interval.
  • Probe purchased separately; measurement range and accuracy depend on the probe.
Vaisala DPT145 SF6 Multiparameter Transmitter – Discontinued

Vaisala DPT145 SF6 Multiparameter Transmitter – Discontinued

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
Vaisala HMT360 Intrinsically Safe Humidity and Temperature Transmitter – Discontinued

Vaisala HMT360 Intrinsically Safe Humidity and Temperature Transmitter – Discontinued

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
Vaisala HMT330 Humidity and Temperature Transmitter Series – Discontinued

Vaisala HMT330 Humidity and Temperature Transmitter Series – Discontinued

The Vaisala HMT330 Series was a flagship industrial transmitter platform for humidity, temperature and calculated moisture parameters. It is discontinued and replaced by an Indigo500 transmitter with the HMP probe selected for the application.

  • HMT331 wall mounting → HMP1 with Indigo500
  • HMT333 ducts and tight spaces → HMP3 or HMP9 with Indigo500
  • HMT334 high pressure and vacuum → HMP4 with Indigo500
  • HMT335 high temperature → HMP5 with Indigo500
  • HMT337 high humidity → HMP7 with Indigo500
  • HMT338 pressurised pipelines → HMP8 with Indigo500
Vaisala HMD80, HMW80 and HMS80 HVAC Humidity Transmitters

Vaisala HMD80, HMW80 and HMS80 HVAC Humidity Transmitters

The Vaisala HMDW80 Series provides cost-effective humidity and temperature measurement for routine HVAC and building-automation applications.

  • Humidity accuracy up to ±3% RH
  • Wall, duct and outdoor installation models
  • Current or voltage output configurations
  • Replaceable INTERCAP® humidity sensor
Vaisala HMW90 High-Accuracy Humidity and Temperature Transmitter

Vaisala HMW90 High-Accuracy Humidity and Temperature Transmitter

The Vaisala HMW90 Series provides high-accuracy humidity and temperature measurement for demanding indoor HVAC and controlled-environment applications.

  • Humidity accuracy up to ±1.7% RH
  • Analog or Modbus RTU output models
  • Optional display and configurable relay
  • Replaceable measurement module with calibration certificate
Vaisala HMT120 and HMT130 Transmitters – Are Being Replaced by Origo10

Vaisala HMT120 and HMT130 Transmitters – Are Being Replaced by Origo10

The Vaisala HMT120 and HMT130 provide accurate, stable humidity and temperature measurement for cleanrooms, laboratories, data centres and demanding HVAC applications.

Product transition: HMT120/HMT130 are expected to be phased out. For new projects, the Vaisala Origo10 is the recommended replacement platform.

  • Humidity accuracy up to ±1.5% RH
  • HMT120 loop-powered 4–20 mA output
  • HMT130 voltage outputs, RS-485 and relay
  • Interchangeable fixed or remote measurement probe
  • Origo10 recommended for new installations
Vaisala PTU300 Pressure, Humidity and Temperature Transmitter – Discontinued

Vaisala PTU300 Pressure, Humidity and Temperature Transmitter – Discontinued

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
Vaisala HM40 Portable Humidity and Temperature Meter

Vaisala HM40 Portable Humidity and Temperature Meter

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
Vaisala HMT140 Wi-Fi Data Logger – Discontinued, Replaced by RFL100

Vaisala HMT140 Wi-Fi Data Logger – Discontinued, Replaced by RFL100

The Vaisala HMT140 Wi-Fi Data Logger has been discontinued and is no longer recommended for new monitoring systems.

  • Primary replacement: Vaisala RFL100 with AP10 VaiNet Access Point
  • Existing HMT140 installations can continue to be supported
  • Migration should be checked against the existing sensor and input type
  • Contact Seacom for replacement selection and viewLinc compatibility
back to top