All Products

Michell Instruments is the international leader in the field of moisture and humidity measurement solutions. With over 30 years' experience, Michell designs and manufactures a wide range of transmitters, instruments and system solutions capable of measuring trace moisture, humidity, dew point, hydrocarbon dew-point and oxygen content in a vast range of applications and industries ranging from compressed air, power generation, process, oil and gas, pharmaceutical and many more.

Range Brochures | Application Notes


HG1 - Humidity Calibrator
HG1 - Humidity Calibrator
Low-cost, transportable calibrator for dew-point and relative humidity sensors with built in chilled mirror reference.
HG10 - Humidity Calibrator
HG10 - Humidity Calibrator
Automatic temperature and humidity calibration system with a wide humidity generation range. Features chilled mirror reference.
Pressure Swing Dryers Principle
Pressure Swing Dryers Principle
A source of very dry compressed air for use as a zero gas in humidity calibration systems, or for general laboratory applications.
DCS - Dew-Point Calibration System
DCS - Dew-Point Calibration System
Premium customizable rack-mounted dew-point calibration station with chilled mirror reference.
Dew-Point Generators
Dew-Point Generators
A range of dew-point generators offering ease of use and fast response to humidity step changes.
HygroCal100 - Humidity Validator
HygroCal100 - Humidity Validator
Fully-automated, feature-packed portable humidity validator with touch screen interface, probe read-back and power, data-logging, optional battery pack and more.
OptiCal - Relative Humidity and Temperature Calibrator
OptiCal - Relative Humidity and Temperature Calibrator
Premium transportable calibration solution for humidity sensors with built-in chilled mirror reference
S904 - Relative Humidity and Temperature Calibrator
S904 - Relative Humidity and Temperature Calibrator
Stand-alone and transportable humidity calibrator, for dew-point and relative humidity sensors.
S4000 TRS - Precision Dew-point Hygrometers
S4000 TRS - Precision Dew-point Hygrometers
Designed for very dry dew point measurements to -100°C (-148°F) with ±0.1°C accuracy. It features excellent stability and reproducibility across its entire measurement range, and is used in calibration and standards laboratories worldwide.
<font color='green'>NEW</font> S8000 Remote - High Precision Chilled Mirror Hygrometer
NEW S8000 Remote - High Precision Chilled Mirror Hygrometer
With its compact remote sensor design, the S8000 Remote is the perfect reference instrument in environmental applications and climatic chambers. It features ±0.1°C accuracy across its -40 to +90°C dew-point measurement range.
S8000 RS - High-Precision Chilled Mirror Hygrometer
S8000 RS - High-Precision Chilled Mirror Hygrometer
Our flagship chilled mirror hygrometer, capable of measuring as low as -90°C dew point in a compact, lightweight package. The sensor head is optimised for fast response to low moisture levels and features the RRS system for high sensitivity and a dew-point accuracy of ±0.1°C.
S8000 - Precision Chilled Mirror Hygrometer
S8000 - Precision Chilled Mirror Hygrometer
A high-precision hygrometer combining straightforward operation with very high sensitivity to changes in moisture content.
<font color='green'>NEW</font> Optidew 401 and Optidew 501
NEW Optidew 401 and Optidew 501
The Optidew 401 and Optidew 501 are chilled mirror hygrometers, designed as successors to the original Optidew instruments. The Optidew 401 is a bench top model, replacing the Optidew Vision. The Optidew 501 is wall mounted to replace the Optidew transmitter, but offer an option to have the same touch-screen interface as the Optidew 401 for easy local operation. There is also a transmitter version of the Optidew 501 without a display.
Easidew PRO I.S. - Intrinsically Safe Dew-Point Transmitter
Easidew PRO I.S. - Intrinsically Safe Dew-Point Transmitter
Intrinsically safe transmitter for moisture measurement in gases and liquids, supporting ppmv, ppmw and dew-point output with ±1°C accuracy. IECEx, CSA, FM, Gost K/R and ATEX certified. 5/8 UNF process connection.
Easidew Dew-Point Transmitter Series
Easidew Dew-Point Transmitter Series
Rugged and reliable industrial, loop-powered dew-point transmitter with a 5/8\ UNF or 3/4\" UNF process connection. The wide -100/+20°C (-110/+20°C Easidew 34) dew point measurement range makes it suitable for all industrial dryer applications. Available with MiniDIN 43650 C or M12 electrical connectors.
Easidew Sampler - Low Cost Self-Contained Sampling System
Easidew Sampler - Low Cost Self-Contained Sampling System
A low-cost, self-contained sampling system, with filtration and flow control, for measurement of either pressure or atmospheric dew points.
Easidew Online - Dew-Point hygrometer
Easidew Online - Dew-Point hygrometer
A cost effective ppmV / dew-point meter including an Easidew Transmitter and digital display with analogue and digital outputs and dual alarms.
Cermet II Hygrometer  - Reliable On-Line Dew-Point Measurement
Cermet II Hygrometer - Reliable On-Line Dew-Point Measurement
A full specification on-line hygrometer with wide operating range and multiple display options. Includes Cermet II transmitter, based on Easidew technology with digital output.
Pura Pure Gas Trace Moisture Transmitter
Pura Pure Gas Trace Moisture Transmitter
Rugged and reliable dew-point transmitter designed for the measurement of trace moisture content in ultra high purity gases. Can be supplied with VCR fittings and high integrity electropolished sample block. Hazardous area IECEx, Atex, CSA, and FM certified version available. Monitor available with digital display, digital and analogue outputs, dual alarms and more.
DryCheck Hygrometer / Sampler - Self-Contained Dew-Point Instrument
DryCheck Hygrometer / Sampler - Self-Contained Dew-Point Instrument
A simple and efficient, self-contained dew-point hygrometer based on Easidew technology, with filtration and flow control, for measurement of dew point or moisture content.
Easidew I.S. Dew-Point Transmitter - For Hazardous Area Applications
Easidew I.S. Dew-Point Transmitter - For Hazardous Area Applications
Intrinsically safe dew-point transmitter, based on field-proven Easidew transmitter technology. IECEx, CSA, FM, Gost K/R and ATEX certification makes the Easidew I.S. ideal for all global hazardous area applications. 5/8\ UNF G1/2\" BSP or 3/4\" UNF process connections."
Easidew Pro XP Transmitter - Explosion Proof Moisture Transmitter
Easidew Pro XP Transmitter - Explosion Proof Moisture Transmitter
Explosion proof dew-point transmitter, with ±1°C dew-point accuracy. IECEx, cCSAus, and ATEX certification makes the Easidew PRO XP ideal for a wide variety of explosion proof /flameproof rated applications. 3/4\ UNF process connection."
ES20 Compact Sampling System - Stainless Steel Sampling System
ES20 Compact Sampling System - Stainless Steel Sampling System
An economical, high quality sampling system, with a variety of enclosure, filtration, pressure, and tube fitting options.
SF72-TX-SPO106 - Dew-Point Transmitter for Rail Applications
SF72-TX-SPO106 - Dew-Point Transmitter for Rail Applications
A cost-effective moisture transmitter designed to continuously monitor the performance of the compressed air dryers on railway rolling stock to ensure both safety and efficiency of braking and other systems.
ES70 Sampling System
ES70 Sampling System
The ES70 series sampling system is designed to simplify system configuration by providing a set of choices for all requirements, such as panel or enclosure mount, filtering, upstream and downstream pressure and flow control etc.
Intrinsically Safe Field Display - for use with Easidew I.S. and Easidew PRO I.S.
Intrinsically Safe Field Display - for use with Easidew I.S. and Easidew PRO I.S.
ATEX, IECEx, and FM certified, 4-digit loop-powered local monitor for the Easidew PRO I.S. and Easidew I.S. transmitters. IP66 enclosure.
SF52 - Dew-point Transmitter
SF52 - Dew-point Transmitter
Fast-responding, cost effective dew-point transmitter designed for use in harsh industrial dryer applications. Available with G1/2\ or 1/2\" NPT process connections."
XZR500 - Combustion Control Analyzer
XZR500 - Combustion Control Analyzer
Designed to determine the excess air required for optimum combustion. Uses MSRS technology to measure oxygen levels in harsh conditions such as boilers, incinerators and furnaces, providing fast, accurate readings in high temperatures and corrosive atmospheres. The Pitot-effect sample probe negates the need for aspirator air in most applications.
XZR400 Series - Oxygen Analyzer
XZR400 Series - Oxygen Analyzer
Designed for measurement of trace oxygen in pure gases. It is used to control the purity of gases such as Nitrogen, Argon, Helium and Carbon Dioxide during manufacture, quality in air separation plants, or for quality assessment of bought gases. Available in wall-mountable and rack-mountable versions.
XGA301 - Industrial Gas Analyzer
XGA301 - Industrial Gas Analyzer
The XGA301 Industrial gas analyzer from Michell Instruments provides a convenient platform to measure oxygen, dew point and other gases such as CO2, CO and CH4. The analyzer can be supplied in one of two bench-mounted chassis and with up to three sensors fitted.
XZR200 - Oxygen Analyzer
XZR200 - Oxygen Analyzer
A cost effective zirconium-dioxide analyzer to measure percentage level oxygen in combustion processes, ambient air monitoring and many more applications.
XTC601 Binary Gas Analyzer
XTC601 Binary Gas Analyzer
A robust, linear and stable thermal conductivity analyzer for measurement of binary gas mixes such as air in Hydrogen, Nitrogen, Argon, Helium or Carbon Dioxide. IECEx, Atex, cCSAus & TC TR Ex certified.
XTP601 Series - Oxygen Analyzer for Safe or Hazardous Areas
XTP601 Series - Oxygen Analyzer for Safe or Hazardous Areas
A robust, linear and stable oxygen analyzer for measurements in gases such as Hydrogen, Nitrogen, Carbon Dioxide etc. With flame arrestors fitted, the analyzer becomes explosion-proof and suitable for hazardous areas with ATEX, IECEx, cCSAus, INMETRO & TC TR Ex certification.
XTC601 - Monitoring Hydrogen Cooled
Generators
XTC601 - Monitoring Hydrogen Cooled Generators
A robust, linear and stable thermal conductivity analyzer for measuring the binary gas mixes present during the operation and maintenance of hydrogen cooled electricity generators.
XZR250 - Oxygen Analyzer
XZR250 - Oxygen Analyzer
A zirconium-oxide analyzer to measure percentage levels (up to 25%) of oxygen in combustion gases (up to 700°C). The sample is extracted via a 316 SS probe with an insertion length of nominally 435mm using the Pitot effect and returned to the flue without the need for aspirator air.
PCR - Portable Calibration Rig
PCR - Portable Calibration Rig
The PCR from Michell is a transportable gas blender in a flight case, suitable for calibrating a multitude of gas analyzers at virtually any location and has been designed to allow the blending of two or three gases to the required concentration.
Condumax II On-Line Hydrocarbon Dew-Point Analyzer
Condumax II On-Line Hydrocarbon Dew-Point Analyzer
Hydrocarbon dew point analyzer for ensuring quality of Natural Gas. Supplied in a flame-proof/explosion-proof enclosure and available with optional water dew point measurement, to increase safety as well as avoid damage to pipelines and turbines. IECEx, ATEX, CCSAUS, TC TR Ex certified.
Promet I.S - Process Moisture Analyzer
Promet I.S - Process Moisture Analyzer
Instrinsically Safe Process Moisture Analyzer for high pressure, process gases and vaporized liquids on natural gas platforms and terminals, petrochemical plants and industrial gas manufacturing facilities. Up to four Promet I.S or Liqudew I.S analyzers may be combined via the Multi-Channel Control Unit. IECEx, ATEX, CSA, GOST Ex certified.
Promet EExd - Process Moisture Analyzer
Promet EExd - Process Moisture Analyzer
Heavy-duty moisture in natural gas analyzer, housed in an flame-proof/explosion-proof enclosure, certified to ATEX, CCSAUS and GOST. Configurable for single or dual channel measurements of moisture and designed for simple installation and integration.
Liquidew EExd - Moisture in Liquids Analyzer
Liquidew EExd - Moisture in Liquids Analyzer
Complete trace moisture measurement system, providing direct, accurate, on-line measurements for moisture dissolved in process liquids. The flame-proof/explosion-proof analyzer provides single-or dual-channel measurements with a convenient display interface and easy installation. ATEX, CCSAUS and GOST certified.
Liquidew I.S. - Moisture in Liquid Analyzer
Liquidew I.S. - Moisture in Liquid Analyzer
Intrinsically Safe Moisture in Liquids Analyzer, providing fast and reliable on-line measurement. A wide variety of non-polar liquids can be measured continuously, on-line, including flammable liquids and petrochemicals. IECEx, ATEX, CSA, GOST Ex certified.
Condumax II Transportable - Hydrocarbon & Water Dew-Point Analyzer
Condumax II Transportable - Hydrocarbon & Water Dew-Point Analyzer
Transportable hydrocarbon dew-point analyzer system for operation in the field. ATEX & CCSAUS certified for IEC Zone 1 or 2 hazardous area, NEC Class I, Division 1 Groups B, C, D.
OptiPEAK TDL600 - Moisture in Natural Gas Analyzer
OptiPEAK TDL600 - Moisture in Natural Gas Analyzer
Fully hazardous area IECEx, ATEX, cMETus, TC TR Ex certified TDLAS moisture analyzer for measurement in natural gas and biomethane. OptiPEAK TDL600 employs the latest techniques in non-contact laser absorption spectroscopy to provide class-leading measurement performance, stability and detection sensitivity with minimum required maintenance.
QMA601 - Process Moisture Analyzer
QMA601 - Process Moisture Analyzer
The next generation Advanced Quartz Crystal Microbalance analyzer from Michell Instruments is designed to provide reliable, fast and accurate measurement of trace moisture content in a wide variety of process applications where keeping moisture levels as low as possible is of critical importance.
QMA401 - Trace Moisture Analyzer
QMA401 - Trace Moisture Analyzer
The next generation Advanced Quartz Crystal Microbalance analyzer from Michell Instruments is designed to provide reliable, fast and accurate measurement of trace moisture content in a variety of applications where keeping moisture to a minimum is of critical importance.
Condumax II and OptiPEAK TDL600
Condumax II and OptiPEAK TDL600
Hydrocarbon dew point (HCDP) and moisture are key quality parameters to ensure the quality of pipeline transmission gas. With the combined Condumax II and OptiPEAK TDL600 analyzer system pipeline operators have the assurance of the most widely accepted automatic hydrocarbon dew point analyzer together with the latest development of spectroscopic moisture measurement techniques in a single, convenient analyzer system.
MDM300 & MDM300 I.S. - Advanced Dewpoint Hygrometer
MDM300 & MDM300 I.S. - Advanced Dewpoint Hygrometer
Easy to use, ergonomic, portable dew-point hygrometer offering rapid spot-check measurements of dew point or moisture content. Available with optional ATEX, IECEx, FM, CSA, INMETRO and TC TR Ex certification.
Easidew Portable - Compact and Easy to Use Dew-Point Hygrometer
Easidew Portable - Compact and Easy to Use Dew-Point Hygrometer
Designed to make spot checks of the dew point in air and gases as simple as possible. Simply connect your sample gas, turn on the instrument and it will automatically begin to measure the dew point of the applied sample.
MDM50 - Portable Hygrometer
MDM50 - Portable Hygrometer
Designed to make high-speed spot check measurements to -50°C dew point as simple as possible, simply connect your sample gas, turn on the instrument and it will automatically begin to measure the dew point of the applied sample.
MDM25 - Hand-Held Hygrometer
MDM25 - Hand-Held Hygrometer
Portable, battery-operated hand-held hygrometer, that measures relative humidity, temperature and calculated dew-point, volumetric humidity or wet bulb temperature.
PCMini52 - Relative Humidity and Temperature Transmitter Mini Probe
PCMini52 - Relative Humidity and Temperature Transmitter Mini Probe
∅12mm highly compact probe with dual voltage outputs.
PCMini70 - Relative Humidity and Temperature Mini Probe
PCMini70 - Relative Humidity and Temperature Mini Probe
∅22mm compact transmitter with stainless steel housing, for OEM applications. Voltage %RH output, direct 3-wire PRT temperature measurement.
PC33 & 52 - Relative Humidity and Temperature Transmitter Analog
PC33 & 52 - Relative Humidity and Temperature Transmitter Analog
∅19mm probes with voltage or current loop outputs.
PC62 & 62V - Relative Humidity and Temperature Transmitter Digital
PC62 & 62V - Relative Humidity and Temperature Transmitter Digital
∅19mm probes with voltage or RS232/RS485 outputs.
PFMini72 - Relative Humidity and Temperature Transmitter
PFMini72 - Relative Humidity and Temperature Transmitter
∅18mm probe for outside installation with voltage outputs, optional direct 3-wire PRT temperature measurement.
DT722 - Rugged Industrial Relative Humidity and Temperature Transmitter
DT722 - Rugged Industrial Relative Humidity and Temperature Transmitter
∅19mm fixed probe for high temperature applications. Current loop outputs. Optional integrated display.
HS3 Probe
HS3 Probe
Advanced ∅15mm probe with dual voltage outputs, RS485 output and interchangeable calibrated sensor.
HygroSmart I7000XP - Interchangeable Sensor for Relative Humidity and Temperature
HygroSmart I7000XP - Interchangeable Sensor for Relative Humidity and Temperature
Interchangeable sensor for relative humidity and temperature. With voltage, PT100 and I2C outputs.
H8000 - Relative Humidity Element
H8000 - Relative Humidity Element
The H8000 capacitive polymer element is the latest generation technology, developed to reliably and accurately measure moisture in a wide range of relative humidity applications.
HYGROFLEX1 - HF1
HYGROFLEX1 - HF1
The HygroFlex1 series is the latest development in inexpensive HVAC transmitters for relative humidity and temperature.
HYGROFLEX4 - HF4
HYGROFLEX4 - HF4
Measures relative humidity and temperature and calculates the dew/frost point in the fields of HVAC and industry.
HYGROFLEX5 - HF5
HYGROFLEX5 - HF5
The HF5-series is compatible with HygroClip2 probes with integrated AirChip3000 technology.
HYGROFLEX1 - HF1
HYGROFLEX1 - HF1
The HygroFlex1 series is the latest development in inexpensive HVAC transmitters for relative humidity and temperature.