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Brand: MICHELL Instruments
Michell Ceramic Impedance Moisture Sensor Module MT119815157-PA
Description
Product Overview
The Michell ceramic impedance moisture sensor module assembly, part number MT119815157-PA, is a genuine spare sensor module for Michell Instruments dew-point instrumentation. The sensor uses Michell proven ceramic (aluminium oxide) impedance technology to measure trace moisture in gases.
Michell ceramic moisture sensors consist of thin active layers, less than one micron thick, deposited on a ceramic base. Water vapour is absorbed into a non-conductive central layer sandwiched between two conductive layers, and the resulting current flow is proportional to the moisture content of the sample gas. All Michell ceramic sensors include built-in temperature compensation to maintain accuracy across varying temperatures.
Key Features
- Genuine ceramic moisture sensor module assembly
- Part number: MT119815157-PA (AMEND module assembly)
- Aluminium oxide sensing technology with thin active layers
- Built-in temperature compensation for stable readings
- Fast response to moisture changes for process protection
- Simple field replacement and sensor exchange programme
- For use with Michell dew-point transmitters and analyzers
Technical Specifications
| Part number | MT119815157-PA |
|---|---|
| Sensor technology | ceramic impedance (aluminium oxide) |
| Active layer thickness | less than 1 micron |
| Compensation | built-in temperature compensation |
| Service | annual recalibration recommended; simple exchange |
| Application | trace moisture measurement in gases |
| Manufacturer | Michell Instruments |
Applications
This sensor module is used for trace moisture measurement in compressed air, natural gas, process gases, SF6 and dry cabinets, and serves as a replacement sensor for Michell dew-point transmitters in process and utility applications.
Ordering and Selection
When ordering the ceramic moisture sensor, confirm the sensor type and the transmitter model it will be fitted to, because each ceramic moisture sensor is calibrated for a specific measuring range. The ceramic moisture sensor is used across the Michell dew-point instrument range, and the correct ceramic moisture sensor part number must be matched to the instrument. Our team can help you identify the correct ceramic moisture sensor for your transmitter, and A recalibrated or new Michell ceramic impedance moisture sensor restores full accuracy to your dew-point measurement.
Maintenance and Support
Michell ceramic impedance moisture sensors should be handled carefully and kept clean, with annual recalibration recommended for critical measurements. Seven Star LLC offers replacement and exchange services, and our team can help you select the correct sensor for your instrument. Contact us for assistance with selection.
Industry Applications and Custom Support
The Michell ceramic impedance moisture sensor is trusted by operations and maintenance teams across gas, power and industrial plants in Oman, the GCC and the wider Middle East region. Our customers select the Michell ceramic sensor for reliability, genuine quality and dependable supply. Seven Star LLC provides custom support including technical selection, quotation and after-sales assistance, and we regularly supply this sensor as part of preventive maintenance programs and shutdown packages. Whether you need a single sensor or a complete set for a project, our team supports procurement and inspection.
The ceramic impedance sensor measures the water vapour content of the gas, and the module assembly with the connector and the protective filter is supplied as the complete replacement for the Michell moisture analyser.
The sensor replacement restores the measurement of the moisture analyser without the exchange of the complete instrument, and the module is supplied with the installation guidance.
The Michell ceramic impedance sensor measures the moisture with the traceable calibration, and the replacement module restores the dew point measurement of the process analyser.
Why Seven Star LLC?
Seven Star LLC supplies genuine Michell Instruments sensors and spares to customers in Oman and the GCC. We verify part numbers, helping you maintain accurate dew-point measurement with original components.
Our engineers help you verify the exact model and revision before ordering, avoiding costly mismatches.
Confirming Sensor Compatibility
Michell sensor modules are designed for specific instrument families, so check compatibility before ordering. Compare the part number MT119815157-PA with the sensor currently fitted and with the spare parts list in the instrument manual. Also note the model and serial number of the transmitter or analyzer it will be used in. If the installed sensor has been exchanged several times, its label is usually the quickest reference.
Fitting and Start-Up
- Depressurise and isolate the sample system before removing the old sensor. Keep the new sensor in its sealed packaging until the moment of fitting to avoid picking up ambient moisture.
- Check the sample cell seals and fittings. Even a very small leak lets ambient moisture into the sample and gives falsely wet readings at trace levels.
- Set the sample flow according to the instrument manual and allow enough dry-down time after installation. At low dew points, readings can take a while to settle as the sample system dries.
- Record the start-up readings and compare them with the previous sensor’s trend before relying on the value for process decisions.
Recalibration and Exchange
Annual recalibration is recommended for this technology. Many operators keep a second Michell ceramic impedance moisture sensor on the shelf, so that one can go for calibration while the other stays in service. This keeps moisture monitoring online on critical points such as dryer outlets and gas export lines.
Troubleshooting Moisture Readings
If readings are higher than expected, check for leaks, wet sample lines or poor purge before suspecting the sensor. If readings are very slow to respond, the sample flow may be low or the dead volume in the sample system too large. Readings that stay flat whatever the process conditions can point to a contaminated or damaged sensor, which then needs exchange or recalibration.
Applications in Oman and the GCC
Trace moisture measurement is essential in natural gas processing, dehydration units, instrument air and compressed gas systems at gas plants, refineries and power stations across the region. Seven Star LLC supplies Michell sensor modules and related spares to these users in Oman and the GCC, and checks part numbers against your installed instrument.
Request a Quote for Michell Ceramic Impedance Moisture Sensor Module MT119815157-PA
For the Michell ceramic impedance moisture sensor or any related control and instrumentation requirement, contact the Seven Star LLC team. Submit a formal inquiry through our RFQ page with your measurement range, connection and configuration, and our specialists will respond with a detailed commercial proposal and the official Michell documentation.
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About brand
Moisture in gas is a small number with large consequences, and measuring it has been the work of Michell Instruments since 1974. Based in Ely, United Kingdom, the company makes dew-point transmitters, hygrometers and process analyzers for moisture, hydrocarbon dew point and oxygen.
Seven Star LLC lists Michell dew-point transmitters, the Condumax II analyzer and its replacement sensor parts, and supplies them to gas plants and compressed air users in Oman by exact order code.
Michell product families on this page
The Condumax II is an automatic hydrocarbon dew-point analyzer for natural gas. Several of its parts are listed separately: the CD2-SCR-002 hydrocarbon dew-point sensor cell, the CD2-WDC-002 water dew-point sensor assembly and the CD2-SX-WDC-002, which is the exchange version of that water dew-point sensor. The Easidew line is represented by the Easidew EA2 dew point transmitter and by the Easidew PRO I.S., an intrinsically safe moisture transmitter for hazardous areas. A ceramic impedance moisture sensor module is also listed, the sensing element behind these transmitters.
Where Michell analyzers are used
Hydrocarbon and water dew point are contract quality parameters for natural gas, so the Condumax II is found at gas processing plants, pipeline entry points and custody transfer stations. Easidew transmitters monitor dryers for instrument air and industrial gases, glove boxes, and dry gas feeds to processes that cannot tolerate water.
Ordering Michell parts: what we need
For Condumax II parts send the analyzer serial number and the part code, such as CD2-SCR-002, and state if a new assembly or the exchange item is wanted. For Easidew transmitters we need the measuring span in dew point or ppm, the process connection thread, the output signal, the operating pressure, the gas and the area certification. A photo of the label on the old transmitter usually answers most of these in one go.
Browse MICHELL Instruments products by category: Gas Analyzer Accessories, Gas Analyzer Systems.
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Frequently Asked Questions
What is the Michell MT119815157-PA module?
It is a genuine ceramic impedance (aluminium oxide) moisture sensor module assembly for Michell dew-point instruments.
How does the ceramic moisture sensor work?
Water vapour is absorbed into a thin non-conductive layer between conductive layers, and the current through the layers indicates the moisture content.
Is the sensor temperature compensated?
Yes, all Michell ceramic moisture sensors include built-in temperature compensation.
How often does the sensor need recalibration?
Annual recalibration is recommended, and the sensor can be exchanged simply in the field.
What details should I include in my inquiry for the Michell ceramic impedance moisture sensor?
Send the part number, your system details and the required quantity through the RFQ page. Seven Star LLC confirms the exact configuration, the matching accessories and the commercial terms for your project.
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