Michell Instruments is an international leader in high-precision sensing with 40 years’ experience in the field, specializing in instrumentation for dew point, relative humidity and oxygen analysis. The company serves industries as diverse as petrochemical and pharmaceutical to power generation and food processing. read more

The product range includes:
High-precision chilled-mirror hygrometers and humidity calibration equipment Trace moisture and relative humidity transmitters and sensors for process control Oxygen and binary gas analyzers Process moisture analyzers for the natural gas and petrochemical industries.

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Oxygen Transmitters / Analyzers

Oxygen Transmitters / Analyzers

Michell offers two ranges of oxygen analyzers, designed to increase safety and improve efficiency from industrial gas and nitrogen production to pharmaceutical reactors, refineries and inert blanketing gases.

Humidity / Dewpoint / Moisture Calibrators

Humidity / Dewpoint / Moisture Calibrators

Michell Instruments design and manufacture hygrometers based on a wide range of technologies, which are used in challenging industrial processes worldwide. Our high-capacity calibration labs are kitted out exclusively with our own calibration equipment, constantly proving it's value and long-term reliability in a demanding production environment.

Humidity Meters / Hygrometers

Humidity Meters / Hygrometers

Michell Instruments range of portable hygrometers allow fast, accurate and stable measurements of dew point, relative humidity and moisture concentration. Each hygrometer is designed for daily use in the most demanding of industrial environments, while maintaining excellent performance and simplicity of operation.

Dewpoint Meters

Dewpoint Meters

The control of moisture and hydrocarbon dew point is critical for the operational safety and efficiency of the plant equipment in upstream through to downstream processes. We at Michell Instruments have been developing expert moisture sensing instruments and systems for 40 years.

Available Products by Michell Instruments

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Michell Instruments Easidew Online Dew Point Hygrometer
Panel or bench mount hygrometer with digital display, analog & digital outputs measuring from -166 to +68°Fdp (-110 to +20°Cdp)
$1,952.00
Michell Instruments Easidew EA2 Dewpoint Transmitter
±3.6°F (±2°C) dew point measurement from -110° to 20°Cdp with 5/8 inch process connection
$1,597.00
In Stock
Michell Instruments HygroCal100 Humidity Calibrator
Portable system for automated calibration of relative humidity probes, lightweight and completely self-contained
$6,985.00
Michell Instruments Easidew Pro XP Dew Point Transmitter
Explosion proof dew point transmitter for gases or liquids with up to ±1.8°Fdp (±1°Cdp) accuracy & a 2-wire 4 to 20mA output
$2,829.00
Michell Instruments XTP601 Oxygen Analyzer
Thermo-paramagnetic oxygen transmitter for safe or hazardous areas
$4,904.00
Michell Instruments Easidew 34 Dew Point Transmitter
±3.6°Fdp (±2°Cdp) accuracy from -148 to 68°F (-100° to 20°C) with 3/4-inch process connection
$1,597.00
In Stock
Michell Instruments XZR200 Oxygen Analyzer
Zirconium dioxide In-Situ transmitter for measuring O2 levels in combustion processes
$1,320.00
In Stock
Michell Instruments Cermet II Hygrometer
Sensor and monitor for dew point, temperature, or gaseous moisture applications
$3,245.00
Michell Instruments PC33 and PC52 Humidity Probes
Relative humidity probes with analog output and optional temperature measurement
$160.00
Michell Instruments PCMini52 Humidity Mini Probe
Digital relative humidity and temperature mini probe, analog voltage outputs, 0 to 100% RH range, -20 to +80°C (-4 to +176°F) temp range
$148.00
Michell Instruments S8000 Chilled Mirror Hygrometer
High-precision hygrometer combines straightforward operation with very high sensitivity to changes in moisture content
$15,265.00
Michell Instruments XZR500 Combustion Control Analyzer
Measures oxygen levels in combustion processes and flue gases to help maintain the optimum level of combustion efficiency
$5,976.00
Michell Instruments Optidew Chilled Mirror Hygrometer
New chilled mirror hybrid sensor gives fast dynamic response to changes in humidity
$5,160.00
Michell Instruments S8000 Remote Chilled Mirror Hygrometer
Features remote sensor to directly measure the formation of condensation for drift-free readings of dew point and relative humidity
$14,342.00
Michell Instruments Pura Pure Gas Dew Point Transmitter
Designed to measure trace moisture in ultra high purity gases down to -184°Fdp (-120°Cdp) with optional hazardous area approval
$1,846.00
Michell Instruments MDM300 Dewpoint Hygrometer
High-speed measurements at ≤15 minutes and down to -76°F dew point, portable and good for tough industrial environments
$5,202.00
Michell Instruments Easidew EA2 IS Dewpoint Transmitter
Intrinsically safe dew point measurement from -110° to 20°Cdp with ±3.6°F (±2°C) accuracy & multiple process connection options
$2,094.00
Michell Instruments S4000 TRS Dew Point Hygrometer
Precision laboratory dew-point hygrometer, ultimate accuracy and reliability for humidity measurement and calibration
$40,942.00
Michell Instruments SF72 Rail Moisture Transmitter
Pressure rated to 450 bar with ±2°C accuracy across measurement ranges available between -60 to 60°C dew point
$1,250.00
Michell Instruments Opti-Cal RH & Temperature Calibrator
Stand-alone calibrator with humidity and temperature profiling and an in-built traceable chilled mirror reference hygrometer
$23,110.00
Michell Instruments DG Series Humidity Generator
Volumetric mixing of dry and wet gases, controlled manually or automatically to for a wide range of calibration applications
$9,186.00
Michell Instruments S8000-RS Chilled Mirror Hygrometer
Directly measures the formation of condensation for drift-free readings of dew point down to -130°F (100 ppb)
$27,125.00
Michell Instruments DT722 Humidity & Temperature Transmitter
Designed for accurate measurement in harsh environments, withstands temperatures up to 150°C (300°F), stainless steel housing
$669.00
Michell Instruments MDM300-IS Intrinsically-Safe Hygrometer
High-speed readings at ≤30 minutes and down to -76°F dew point, portable and good for tough industrial environments
$5,870.00
Michell Instruments HG-1 Humidity Calibrator
Fully integrated system for the calibration of dew-point and relative humidity sensors
$8,139.00
Michell Instruments XTC601 Binary Gas Analyzer
Thermal Conductivity transmitter for safe or hazardous areas
$5,768.00
Michell Instruments MDM50 Portable Hygrometer
Built-in sampling system measures dewpoint of air or gas line with high-pressure option up to 4351 PSIG, readings <10 min to -31°F
$2,630.00
Michell Instruments QMA401 Trace Moisture Analyzer
Advanced Quartz Crystal Microbalance for fast and accurate measurement
$20,995.00
Michell Instruments PCMini70 RH and Temperature Mini Probe
Based on the interchangeable Hygrosmart module, OEM applications, compact AISI 316 housing, RH range 0 to 100%, temp range -22 to 185°F
$213.00
Michell Instruments Easidew Pro IS Dew Point Transmitter
Intrinsically safe dew point transmitter for gases or liquids with up to ±1.8°Fdp (±1°Cdp) accuracy & a 2-wire 4 to 20mA output
$2,570.00
Michell Instruments Pura Online Hygrometer
Measures trace moisture in ultra-high-purity gases down to -184°Fdp (-120°Cdp) with display & optional hazardous area approval
$2,984.00
Michell Instruments XGA301 Gas Analyzer
Industrial gas analyzer that measures oxygen, dew point and other gases, available with 1, 2 or 3 sensors
$3,899.00
Michell Instruments XZR400 Oxygen Analyzer
Trace analyzer designed to measure oxygen as an impurity in pure inert gases such as nitrogen, carbon dioxide, argon and helium
$5,811.00
Michell Instruments VDS-3 Dew Point Generator
Computer controlled dewpoint generator that operates in the range of -148 to 68°F (-100 to 20°C)
$107,113.00
Michell Instruments SF52 Dewpoint Transmitter
Simple, cost effective sensor designed for use in harsh industrial dryer applications, range -40 to 60°C (-40 to 140°F)
$478.00
In Stock
Michell Instruments EA2-HDPE Replacement Guards
Pack of 10 HDPE replacement guards to protect Easidew transmitters from fine particulate < 10µm
$203.00
In Stock
Michell Instruments Bonded Seal
5/8 inch bonded seal for process connection
$18.00
Michell Instruments Easidew Adapter
Designed to connect Easidew transmitters to a variety of process connections
$59.00
In Stock
Michell Instruments XZR200 Adaptor
12mm tube to 1/2" NPT male stud, bored through to 12mm tube
$60.00
In Stock
Michell Instruments Easidew Online Monitor
Replacement monitor for the Easidew online dew point hygrometer
$406.00
Michell Instruments Easidew Cable
Replacement cable for Easidew transmitters, available in a variety of lengths
$43.00
Michell Instruments A000350 / A000351 Sample Block
Sample block, (G1/2in BSP only), with or without a filter
$102.00
Michell Instruments Easidew CSB Sampling Block
5/8 inch stainless steel sampling block with 1/8 inch NPT inlet & outlet ports for use with Easidew transmitters
$87.00
In Stock
Michell Instruments Calibration Kit
Calibration kit without gas cylinder for XZR 200 and XZR400 oxygen analyzers and XZR500 combustion control analyzer
$915.00
Michell Instruments Arrow Sintered Filter
0.75in (19mm) stainless steel sintered filter, choice of 5 or 20μm
$42.00
Michell Instruments A000110 Mounting Flange
Aluminum mounting flange for ø19mm (0.75") SS probes (outside ø80mm)
$96.00
Michell Instruments S8000 Remote PRT
4-wire PT100, 1/10 DIN class B, ±0.18°F (0.1°C) measurement accuracy, with 6.56ft (2m) cable and connector
$375.00
Michell Instruments Filter Element
Filter element for XZR400 oxygen analyzer
$19.00
Michell Instruments 1/4" Tube Adapter Fitting
$33.00
Michell Instruments M20 Conduit Entry
M20 Conduit Entry 3/4" NPT, nickel plated brass
$43.00
Michell Instruments HC100-TC Spare Carry Case
Spare carry case for the HygroCal100
$460.00
Michell Instruments Sensor Connector
Sensor connector for Easidew transmitters
$5.00
Michell Instruments A000014 PVDF Filter
19mm (0.75") PVDF filter
$8.00
Michell Instruments Spare Probe Connector
Spare probe connector, screw terminal
$15.00
Michell Instruments Connector
19mm (0.75") connector, with screw terminal or cable
$16.00
Michell Instruments Unsintered PTFE Tape
Unsintered PTFE tape for use in less than 21% oxygen
$25.00
Michell Instruments Cable Entry Adapter
Cable entry adapter for Easidew Pro IS
$29.00
Michell Instruments M20 Cable Gland
M20 cable gland, nickel plated brass 20S
$33.00
Michell Instruments Tube Adapter Fitting
Tube Adapter Fitting, 1/4" or 6mm
$33.00
Michell Instruments SSG Replacement Guard
Stainless steel sintered replacement guard to protect Easidew transmitters from fine particulate < 80µm
$40.00
Michell Instruments Hygrosmart Cable Connector
Hygrosmart Cable Connector for the HygroCal100
$90.00
Michell Instruments Particulate Filter Cartridges
Pack of 10 cartridges for protection against fine particulate < 0.1µm for use with Easidew transmitters
$155.00
Michell Instruments Replacement Hygrosmart Sensor
Replacement Hygrosmart Sensor for the HygroCal100
$395.00
Michell Instruments Easidew Monitor Enclosure
Enclosure for use with Easidew online dew point hygrometer
$499.00
Michell Instruments S8000 Readings
Data recorded before calibration adjustment
$545.00
Michell Instruments Universal Communications Kit
Universal communications kit with several cable options for Easidew and Pura transmitters
$615.00
Michell Instruments Ribbon Cable Assembly
Ribbon cable assembly for the XTP601 and XTC601
$14.00
Michell Instruments QMA401 VCR Washer
1/4" VCR Washer with Gasket Retainer
$69.00
Michell Instruments HC100-CHA Replacement Battery Charger
Replacement Battery Charger for the HygroCal100
$125.00
Michell Instruments Optidew / S8000 Remote Port Adapter Kit
Dew point sensor adapter and pt100 adapter, including blind stops
$205.00
Michell Instruments Interface Plate
$346.00
Michell Instruments Sensor Oven
Replacement sensor oven for XZR400 oxygen analyzer
$1,277.00
Michell Instruments Sensor Connector
Sensor connector for Easidew Pro IS transmitter
$5.00
Michell Instruments Wheel Gasket
Gasket for XZR500 combustion control analyzer wheel
$7.00
Michell Instruments A000002 Protection Cap
Black, 0.75in (19mm) slotted protection cap
$8.00
Michell Instruments A000340 Bonded Seal
Bonded seal, (DIN ISO 228) G1/2in (BSP)
$10.00
Michell Instruments Replacement Labels
Two additional or replacement labels for Easidew transmitters
$12.00
Michell Instruments A000150 Mini Flange
Mini flange for ø19mm (0.75") polymer probe
$14.00
Michell Instruments Flange Gaskets
Gaskets for XZR500 combustion control analyzer flange
$15.00
Michell Instruments A000015 PVDF Filter with Protection Cap
19mm (0.75") PVDF filter w/ protection cap, black
$15.00
Michell Instruments O-Ring
3/4-inch o-ring for process connection, pack of 5
$18.00
Michell Instruments Bonded Seal
1/2-inch bonded seal for process connection, pack of five
$18.00
Michell Instruments Foil Filter
0.75in (19mm) foil filter (0.7 or 2μm) with protection cap
$18.00
Michell Instruments Earthing Braid
Earthing Braid for XZR500 combustion control analyzer
$25.00
Michell Instruments Plug
Stainless steel 1/8-inch plug for XZR500 combustion control analyzer
$25.00
Michell Instruments HC100-BOT Bottles
Bottles for spare desiccant and water storage
$25.00
Michell Instruments Hazardous Area Cable Gland
Hazardous area cable gland for 3 to 8 mm diameter cable for use with Easidew Pro IS dew point transmitter
$25.00
Michell Instruments M20 Cable Gland
M20 cable gland, nickel plated brass 20S
$33.00
Michell Instruments Cable
Cable for XZR500 combustion control analyzer (priced per meter)
$35.00
Michell Instruments GUB Lid O-Ring
GUB Lid O-Ring for the XTP601 and XTC601
$40.00
Michell Instruments Complete Gasket Kit
Gasket kit for XZR500 combustion control analyzer
$41.00
Michell Instruments A000021 Mesh Filter with Protection Cap
19mm (0.75") mesh filter with black protection cap
$42.00
Michell Instruments M20 Conduit Entry
M20 Conduit Entry 3/4" NPT, nickel plated brass
$43.00
Michell Instruments Rear Nut Gaskets
Pack of 10 rear nut gaskets for XZR500 combustion control analyzer
$49.00
Michell Instruments Monitor RS-232 Cable
Monitor RS-232 6-foot cable for Easidew online dew point hygrometer
$50.00
Michell Instruments Stainless Steel Tag
Stainless steel tag for Easidew transmitters, 3-inch by 1-inch, engraved with customer-provided information
$55.00
Michell Instruments Inner Tube Gaskets
Pack of 10 inner tube gaskets for XZR500 combustion control analyzer
$57.00
Michell Instruments Male Adapter
3/4-inch MNPT to 3/4-inch-16 UNF stainless steel male adapter for use with Easidew Pro XP dew point transmitter
$59.00
Michell Instruments S8000 Custom RH Point
Additional %RH calibration point for UKAS/ISO17025 calibration at the same temp as ordered unit
$63.00
Michell Instruments Wall Mounting Bracket
Wall mounting bracket for Easidew Pro IS
$66.00
Michell Instruments Pipe Mounting Bracket
Pipe mounting bracket for use with Easidew Pro XP dew point transmitter
$66.00
Michell Instruments M20 Cable Gland
M20 cable gland, nickel plated brass 20S, barrier
$67.00
Michell Instruments M20 Cable Gland
M20 cable gland, nickel plated brass 20S
$67.00
Michell Instruments Material Certificate
Material certification to EN 10204 3.1 for Easidew transmitters
$71.00
Michell Instruments Bulkhead Union
Stainless steel bulkhead union for XZR500 combustion control analyzer
$85.00
Michell Instruments Easidew SB-34 Sampling Block
3/4-inch stainless steel sampling block with filter with 1/8-inch NPT inlet and outlet ports
$87.00
In Stock
Michell Instruments Sample Block
G1/2-inch stainless steel sample block with 1/8-inch NPT inlet and outlet ports
$90.00
Michell Instruments Light Guide
Light guide for the XTC601
$110.00
Michell Instruments S8000 Custom Dew Point
Additional DP calibration point for UKAS/ISO17025 calibration
$170.00
Michell Instruments XTP601 Extended Warranty
Extended warranty option for the XTP601, 24 or 36 month options available
$175.00
Michell Instruments XTC601 Extended Warranty
Extended warranty option for the XTC601, 24 or 36 month options available
$175.00
Michell Instruments Display Assembly
Display assembly for GP1 model designed for the XTP601 and XTC601
$270.00
Michell Instruments QMA401 Swagelok Tubes
1/4" VCR female to 6mm or 1/4" VCR Female to 1/4" swagelok tubes available
$302.00
Michell Instruments S8000 Custom RH Temp
5-point UKAS/ISO17025 %RH calibration for an additional temperature
$313.00
Michell Instruments Keyboard Display
Keyboard display with cable for XZR500 combustion control analyzer
$388.00
Michell Instruments Display Module Kit
Replacement display module kit for Easidew Pro XP dew point transmitter
$422.00
Michell Instruments S8000 Re-Calibration
One year is the recommended calibration interval, choice of standard factory calibration or UKAS accredited
$545.00
Michell Instruments Furnace
Furnace for XZR500 combustion control analyzer
$803.00
Michell Instruments Microcontroller Card
Microcontroller card for XZR500 combustion control analyzer
$822.00
Michell Instruments Replacement Furnace
Replacement furnace for XZR500 combustion control analyzer MSRS sensor
$983.00
Michell Instruments Replacement Flue MSRS Sensor
Replacement flue MSRS sensor for XZR500 combustion control analyzer
$1,121.00
Michell Instruments Replacement Sensor
Replacement sensor for the XZR400 oxygen analyzer
$1,243.00
Michell Instruments QMA401 Dryer assembly
Dryer assembly for the QMA401 Trace Moisture Analyzer
$1,358.00
Michell Instruments Wall-Mounted Panel
Panel for XZR400 oxygen analyzer (wall mount chassis only) and pump
$1,568.00
Michell Instruments Filtering Module
Combustion gas filtering module for XZR400 oxygen analyzer (transportable chassis type only)
$2,470.00
Michell Instruments Control Unit
Control unit for XZR500 combustion control analyzer
$3,682.00