Self-Calibrating Fast Moisture Measurement
Made in United Kingdom. brand Michell, model QMA601
International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE. Delivery to other countries (Europe, North and South America, Asia, Africa) is discussed individually.
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The QMA601 Process Moisture Analyzer provides highly reliable, fast and accurate measurement of moisture content in a wide variety of carrier gases. It has a lower detection limit of 0.1 ppmV with reliable accuracy at sub-ppm trace moisture levels. Using Michell’s latest developments in Quartz Crystal Microbalance technology the analyzer measures moisture levels effectively even in gases with changing background compositions. It is fully certified for use in hazardous areas.
The QMA601 requires only minimal routine maintenance to ensure low cost of ownership. It features an intuitive ‘through the glass’ touch screen interface which is both easy to use and also means that the analyzer can be interrogated and configured without the need for a hot works permit.
QMA601 is suitable for use with natural gas containing up to 20 % hydrogen with no further modification required.
Applications
| Measuring Technology | Fast Response Quartz Crystal Microbalance |
| Calibrated Range* | 0.1…700 ppmV |
| Measurement Range | 0.1…2000 ppmV |
| Accuracy | ±10% of reading from 1 to 2000 ppmV ±0.1 ppmV between 0.1 & 1 ppmV |
| Repeatability | ±5% of the reading from 1 to 2000 ppmV ±0.1 ppmV between 0.1 & 1 ppmV |
| Limit of Detection | 0.1 ppmV |
| Available Units | ppmV, ppmW, mg/Nm³, vapor pressure (Pa), dew point (°C/°F), lb/MMscf |
| Response Speed | T63 <2 mins to step change in either direction T95 <5 mins to step change in either direction* |
| Automatic Calibration | Internal moisture generator source calibrated traceable to NPL & NIST |
| Sensitivity | 0.01 ppmV or 1% of reading, whichever is greater |
| Electrical Specifications | |
| Supply Voltage | 85…264 V AC, 47/63 Hz or 24 V DC (ATEX / IECEx / UKCA) 24 V DC only (cQPSus) |
| Alarms | 1 x system alarm, volt-free change-over (FORM C) 3 x process alarms, selectable for various parameters, volt-free changeover (FORM C) |
| Analog Signals | 2 x 4…20 mA or 1…5 V (selectable) Maximum load resistance 500 Ω for 4…20 mA and minimum load of 1 MΩ for 1…5 V |
| Digital Communications | RS485 Modbus RTU, Modbus TCP |
| Data Logging | Available on analyzer (limited number of values) or via Application Software |
| Local Interface | 7” color LCD with intuitive HMI |
| Electrical Connections | M20 entries for cable glands |
Operating Conditions
| Inlet Pressure | 2 barg |
| Outlet Pressure | 1 barg |
| Sample Flow | 300 ml/min total flow |
| Sample Gas Temperature | 0…+100 °C |
| Operating Environment | Analyzer only: +5…+45 °C up to 90 %rh Analyzer in sampling system: -20…+55 °C up to 95 %rh (fitted with heater/thermostat and/or enclosure cooling as appropriate to maintain +5…+45 °C internal temperature) |
| Mechanical Specifications | |
| Type | GUB Flameproof Exd |
| Enclosure | Lid & body: Cast copper-free aluminum LM25 (EN AC-42000), less than 0.6 magnesium Glass window: Heat resistant, explosion proof, polyester coated, IP66, NEMA 4 |
| Analyzer Gas Connections | 1/8” NPT |
| Weight | 35 kg without sampling system |
| Sample System Enclosure | 316L stainless steel |
| Certifications | |
| Hazardous Area Certifications | ATEX/UKCA: II 2 GD Ex db IIB+H2 T6 Gb, Tamb -40 °C…+60 °C IECEx: Ex db IIB+H2 T6 Gb, Tamb -40 °C…+60 °C cQPSus: CLS I, Div 1, Group BCD T6 Tamb -25 °C…+55 °C CLS I, ZONE 1, AEx db IIB + H2 T6 Gb Ex db IIB + H2 T6 Gb Tamb -20 °C…+55 °C 1Ex d IIB+H2 T4 Gb X, 1Ex tb IIIC 130 °C Db X and 1Ex d IIB+H2 T3 Gb X, 1Ex tb IIIC 195 °C Db X TR CU: Certified for use in Russia |
You can request the necessary certificates, documentation, instructions and user guide for Michell QMA601 using the special form.
You can buy Michell QMA601 in UAE at a price starting from По запросу $ in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email rop@texairmeasure.ae. Michell QMA601 price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.
