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 / Dew Point / Moisture Calibrators

Humidity / Dew Point / 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.

Dew Point Meters

Dew Point 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
In Stock
Michell Instruments Easidew EA2 Dew Point 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 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 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 Cermet II Hygrometer
Sensor and monitor for dew point, temperature, or gaseous moisture applications
$3,245.00
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 Optidew Chilled Mirror Hygrometer
New chilled mirror hybrid sensor gives fast dynamic response to changes in humidity
$5,160.00
Michell Instruments XTP601 Oxygen Analyzer
Thermo-paramagnetic oxygen transmitter for safe or hazardous areas
$4,904.00
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 DryCheck Dew Point Hygrometer
Self-contained dew point hygrometer, with filtration and flow control in the range -148 to 68°F
$2,981.00
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 Easidew EA2 IS Dew Point 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 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 S8000 Chilled Mirror Hygrometer
High-precision hygrometer combines straightforward operation with very high sensitivity to changes in moisture content
$15,265.00
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
$6,035.00
Michell Instruments MDM300 Dew Point 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 XZR200 Oxygen Analyzer
Zirconium dioxide In-Situ transmitter for measuring O2 levels in combustion processes
$1,320.00
In Stock
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 PC33 and PC52 Humidity Probes
Relative humidity probes with analog output and optional temperature measurement
$160.00
Michell Instruments HG-1 Humidity Calibrator
Fully integrated system for the calibration of dew-point and relative humidity sensors
$8,139.00
Michell Instruments 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 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 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 MDM50 Portable Hygrometer
Built-in sampling system measures dew point of air or gas line with high-pressure option up to 4351 PSIG, readings <10 min to -31°F
$2,630.00
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 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 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 XTC601 Binary Gas Analyzer
Thermal Conductivity transmitter for safe or hazardous areas
$5,768.00
Michell Instruments QMA401 Trace Moisture Analyzer
Advanced Quartz Crystal Microbalance for fast and accurate measurement
$20,995.00
Michell Instruments VDS-3 Dew Point Generator
Computer controlled dew point generator that operates in the range of -148 to 68°F (-100 to 20°C)
$107,113.00
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 S4000 TRS Dew Point Hygrometer
Precision laboratory dew-point hygrometer, ultimate accuracy and reliability for humidity measurement and calibration
$40,942.00
Michell Instruments Condumax II Dew Point Analyzer System
Indoor or outdoor on-line hydrocarbon dew point analyzer system, providing sample conditioning of natural gas up to 138 barg
$50,465.00
Michell Instruments QMA601 Moisture Analyzer
Measure trace moisture content in a wide variety of process applications where keeping moisture levels as low as possible is of critical importance
$32,000.00
Michell Instruments Promet EExd Moisture Analyzer
Hazardous-area rated industrial hygrometer systems for measurement of water vapor content in low and high pressure process gases
$31,459.00
Michell Instruments Condumax II Transportable Dew-Point Analyzer
Transportable natural gas dew-point analyzer system, IEC Zone 1 or 2, NEC Class I, Division 1 Groups B, C, D
$52,638.00
Michell Instruments ES20 Sampling System
Reliably and accurately measure dew point or moisture content in a wide variety of industrial gas applications up to 20 barg.
$3,465.00
Michell Instruments Condumax II Dew Point Analyzer
Fully self-contained on-line hydrocarbon dew point analyzer, using "dark spot" measurement principle
$39,080.00
Michell Instruments Promet I.S. Moisture Analyzer
Heavy duty, industrial hygrometer systems for measurement of high pressure, process gases and vaporized liquids
$8,932.00
Michell Instruments ES70 Gas Sampling System
Measurement of trace moisture in gases sampling system
$6,045.00
Michell Instruments OptiPEAK TDL600 Moisture Analyzer
Automatic online measurement of moisture in variable compositions of natural gas and biomethane
$29,200.00
Michell Instruments SF52 Dew Point 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 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 Easidew Cable
Replacement cable for Easidew transmitters, available in a variety of lengths
$43.00
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 Universal Communications Kit
Universal communications kit with several cable options for Easidew and Pura transmitters
$615.00
In Stock
Michell Instruments Easidew Online Monitor
Replacement monitor for the Easidew online dew point hygrometer
$406.00
Michell Instruments Easidew Monitor Enclosure
Enclosure for use with Easidew online dew point hygrometer
$499.00
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
Michell Instruments A000003 Protection Cap
0.47in (12mm) slotted protection cap
$8.00
Michell Instruments A000110 Mounting Flange
Aluminum mounting flange for ø19mm (0.75") SS probes (outside ø80mm)
$96.00
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
Michell Instruments A000021 Mesh Filter with Protection Cap
19mm (0.75") mesh filter with black protection cap
$42.00
Michell Instruments A000022 Mesh Filter
0.47in (12mm) mesh filter with protection cap
$24.00
Michell Instruments Bonded Seal
5/8 inch bonded seal for process connection
$18.00
Michell Instruments SSG Replacement Guard
Stainless steel sintered replacement guard to protect Easidew transmitters from fine particulate < 80µm
$40.00
In Stock
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 Calibration Kit
Calibration kit without gas cylinder for XZR 200 and XZR400 oxygen analyzers and XZR500 combustion control analyzer
$915.00
Michell Instruments A000150 Mini Flange
Mini flange for ø19mm (0.75") polymer probe
$14.00
Michell Instruments Arrow Sintered Filter
0.75in (19mm) stainless steel sintered filter, choice of 5 or 20μm
$42.00
Michell Instruments A000350 / A000351 Sample Block
Sample block, (G1/2in BSP only), with or without a filter
$102.00
Michell Instruments OPT2-SSB Sensor Sampling Block
Sensor sampling block, SS with 1/8in NPT in/out threaded gas ports
$405.00
Michell Instruments Sensor Connector
Sensor connector for Easidew transmitters
$5.00
Michell Instruments S8000 Readings
Data recorded before calibration adjustment
$545.00
Michell Instruments Sensor Oven
Replacement sensor oven for XZR400 oxygen analyzer
$1,277.00
Michell Instruments OPT2-HES-2 Dew Point Sensor
Dew Point Sensor, 2 stage (PEEK)
$5,650.00
Michell Instruments Spare Probe Connector
Spare probe connector, screw terminal
$15.00
Michell Instruments A000015 PVDF Filter with Protection Cap
19mm (0.75") PVDF filter w/ protection cap, black
$15.00
Michell Instruments A000033 Connector and Cable
0.47in (12mm) connector for use with PCMini52 Humidity Mini Probe
$20.00
In Stock
Michell Instruments Unsintered PTFE Tape
Unsintered PTFE tape for use in less than 21% oxygen
$25.00
Michell Instruments M20 Conduit Entry
M20 Conduit Entry 3/4" NPT, nickel plated brass
$43.00
Michell Instruments A000046 HDPE Protection Cap
0.51in (13mm) HDPE protection cap
$43.00
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 Display Assembly
Display assembly for GP1 model designed for the XTP601 and XTC601
$270.00
Michell Instruments Porous Aluminum Guard
$335.00
Michell Instruments Interface Plate
$346.00
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 Replacement Hygrosmart Sensor
Replacement Hygrosmart Sensor for the HygroCal100
$395.00
Michell Instruments HC100-TC Spare Carry Case
Spare carry case for the HygroCal100
$460.00
Michell Instruments OPT401 Transport Case
$895.00
Michell Instruments Wheel Gasket
Gasket for XZR500 combustion control analyzer wheel
$7.00
Michell Instruments A000017 / A000018 PVDF Filter
$8.00
Michell Instruments A000002 Protection Cap
Black, 0.75in (19mm) slotted protection cap
$8.00
Michell Instruments O-Ring Seal for Condumax II
Membrane filter body or retention, Viton
$13.00
Michell Instruments Connector
19mm (0.75") connector, with screw terminal or cable
$16.00
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 Filter Element
Filter element for XZR400 oxygen analyzer
$19.00
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 Cable Entry Adapter
Cable entry adapter for Easidew Pro IS
$29.00
Michell Instruments GUB Lid O-Ring
GUB Lid O-Ring for the XTP601 and XTC601
$40.00
Michell Instruments M20 Conduit Entry
M20 Conduit Entry 3/4" NPT, nickel plated brass
$43.00
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 Material Certificate
Material certification to EN 10204 3.1 for Easidew transmitters
$71.00
Michell Instruments Light Guide
Light guide for the XTC601
$110.00
Michell Instruments OPT2-PRT Temperature Sensor
$150.00
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 Display Module Kit
Replacement display module kit for Easidew Pro XP dew point transmitter
$422.00
Michell Instruments Filtering Module
Combustion gas filtering module for XZR400 oxygen analyzer (transportable chassis type only)
$2,470.00
Michell Instruments OPT2 POM Sensors
1 stage or 2 stage POM dew point sensors
$3,365.00
Michell Instruments Control Unit
Control unit for XZR500 combustion control analyzer
$3,682.00
Michell Instruments Sensor Connector
Sensor connector for Easidew Pro IS transmitter
$5.00
Michell Instruments A000014 PVDF Filter
19mm (0.75") PVDF filter
$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 Ribbon Cable Assembly
Ribbon cable assembly for the XTP601 and XTC601
$14.00
Michell Instruments Flange Gaskets
Gaskets for XZR500 combustion control analyzer flange
$15.00
Michell Instruments Foil Filter
0.75in (19mm) foil filter (0.7 or 2μm) with protection cap
$18.00
Michell Instruments A000321 Connector
0.47in (12mm)connector without cable (with solder terminal)
$24.00
Michell Instruments Earthing Braid
Earthing Braid for XZR500 combustion control analyzer
$25.00
Michell Instruments HC100-BOT Bottles
Bottles for spare desiccant and water storage
$25.00
Michell Instruments Plug
Stainless steel 1/8-inch plug for XZR500 combustion control analyzer
$25.00
Michell Instruments M20 Cable Gland
M20 cable gland, nickel plated brass 20S
$33.00
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 1/4" Tube Adapter Fitting
$33.00
Michell Instruments Cable
Cable for XZR500 combustion control analyzer (priced per meter)
$35.00
Michell Instruments A000028 Arrow Filter
0.47in (12mm) arrow 20µm SS sintered filter
$38.00
Michell Instruments Complete Gasket Kit
Gasket kit for XZR500 combustion control analyzer
$41.00
Michell Instruments A000023 Flat Filter
0.47in (12mm) flat SS sintered dust filter
$41.00
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 Inner Tube Gaskets
Pack of 10 inner tube gaskets for XZR500 combustion control analyzer
$57.00
Michell Instruments A000101 NPT Fitting
1/2in NPT SS adj. fitting for SS probes
$57.00
Michell Instruments 6 & 8 Way Plugs
Optidew 6 & 8 Way Plugs for Outputs/Alarms
$60.00
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 QMA401 VCR Washer
1/4" VCR Washer with Gasket Retainer
$69.00
Michell Instruments A000111 Mounting Flange
Aluminum mounting flange for 0.47in (12mm) SS probes (outside 1.57in (40mm))
$81.00
Michell Instruments Bulkhead Union
Stainless steel bulkhead union for XZR500 combustion control analyzer
$85.00
Michell Instruments Hygrosmart Cable Connector
Hygrosmart Cable Connector for the HygroCal100
$90.00
Michell Instruments Sample Block
G1/2-inch stainless steel sample block with 1/8-inch NPT inlet and outlet ports
$90.00
Michell Instruments ASC Cables
Ambient temperature sensor or pressure sensor cables, 0.3m, 3m, 5m, 10m and 20m length available
$95.00
Michell Instruments HC100-CHA Replacement Battery Charger
Replacement Battery Charger for the HygroCal100
$125.00
Michell Instruments Cooling / Venting Coil for ES20
3m of 1/4in or 6mm tubing for cooling sample gas or preventing back diffusion of ambient moisture
$167.00
Michell Instruments S8000 Custom Dew Point
Additional DP calibration point for UKAS/ISO17025 calibration
$170.00
Michell Instruments A000120 / A000125 WM Protection Cap
WM weather protection cap for 0.75in (19mm) probes
$173.00
Michell Instruments XTC601 Extended Warranty
Extended warranty option for the XTC601, 24 or 36 month options available
$175.00
Michell Instruments XTP601 Extended Warranty
Extended warranty option for the XTP601, 24 or 36 month options available
$175.00
Michell Instruments Optidew / S8000 Remote Port Adapter Kit
Dew point sensor adapter and pt100 adapter, including blind stops
$205.00
Michell Instruments OPT2-HTSC High Temp Cables
High temperature cable (Dew Point Sensor), Max 120°C, 3m, 5m, 10m and 20m lengths available
$260.00
Michell Instruments OPT2-HTASC Cables
High temperature cable (Temp Sensor or pressure sensor), Max 120°C, 3m, 5m, 10m, 20m
$260.00
Michell Instruments Coalescing Filter Cartridges
Pack of 10 for protection against fine particulate & aerosols < 0.1µm
$291.00
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 OPT2 Pressure Sensor
Pressure Sensor with ranges of 0 to 16 kPa and 0 to 250 kPa
$495.00
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 Intrinsically Safe Field Display
4-digit loop-powered intrinsically safe local monitor for the Easidew I.S. and Easidew PRO I.S.
$852.00
Michell Instruments OPT2-ACHS Extended Heatsink
Extended Heatsink for the Optidew Chilled Mirror Hygrometer
$895.00
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 Heated Pressure Reg for Condumax II
Stand alone, in separate housing, 3,000 psig/210barg
$6,322.00