Fast, High-Precision Moisture Measurement
Made in United Kingdom. brand Michell, model QMA601LR
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-LR Moisture Analyzer is designed to provide reliable, fast and accurate measurement of ultra-low trace moisture content in natural gas in NGL fractionation and LNG liquefaction applications. It has a lower detection limit of 0.02 ppmV with reliable accuracy at sub-ppm trace moisture levels. The low-range variant is the result of Michell Instruments’ ongoing efforts to improve Quartz Crystal Microbalance technology for ultra-low trace moisture measurements down to 20ppbV. While measurements of quantities of moisture at ppbV levels stretch other technologies, the new QMA601-LR can offer reliability, simplicity, and greatly reduced cost of ownership from trusted and proven quartz crystal technology.
The analyzer requires only minimal routine maintenance to ensure low cost of ownership. It features an intuitive ‘through the glass’ touchscreen interface which is both easy to use and means that the analyzer can be interrogated and configured without the need for a hot works permit.
Applications
| Performance Specifications | |
| Measuring Technology | Fast-Response Quartz Crystal Microbalance |
| Calibrated Range | 0.02…100 ppmV, certified traceable to national humidity standards at NPL (UK) and NIST (USA) |
| Measurement Range | 0.02…100 ppmV, trending to 2000 ppmV |
| Accuracy | ±0.03 ppmV or ±10% of reading, whichever is greater |
| Repeatability | ±5% of reading from 0.3 to 100 ppmV |
| Limit of Detection | 0.02 ppmV |
| Available Units | ppmV, ppmW, mg/Nm³, vapor pressure (Pa), dew point (°C/°F), lb/MMscf |
| Response Speed | Close to instantaneous response to sample gas moisture changes |
| Automatic Calibration | Internal moisture generator source, nominally 0.5 ppmV, calibrated traceable to NPL and 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 / UKCA / IECEx) 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 QMA601LR using the special form.
You can buy Michell QMA601LR 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 QMA601LR 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.
