Features
- Ideal for applications requiring low drift, versatility and reliability
- Wide range 0-10%, high resolution 0.0001%
- Dual wavelength infrared technology
- Barometric pressure compensated
- Not sensitive to flow rate changes
Description
The MA-10 Methane Analyzer is a fast-responding CH4 analyzer with a wide measurement range (0-10%) combined with high resolution. It’s ideal for constant volume/stop-flow and flow-through respirometry of methane-producing organisms.
Barometric pressure compensation is standard. Direct modulation of the infrared source translates to greater ruggedness and reliability. The optical bench is differential (dual-wavelength), reducing drift and practically eliminating sensitivity to water vapor. Our proprietary optical bench uses a low volume, gold over nickel plated optical path and the highest quality machining, with premium emitter, differential detector and optical filtration components.
The MA-10 methane analyzer is easily interfaced to any data acquisition system or data-logger. Eleven ranges of voltage proportional to carbon dioxide concentration or partial pressure, plus multi-range outputs proportional to barometric pressure and optical path temperature, are available at the rear panel from high-quality BNC connectors. A serial output is standard.
Operation is intuitive and flexible, with all functions accessible via high quality rotary encoders. Adjustments and settings are permanently retained in the absence of power.
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Specifications
| Accuracy and Resolution: | At constant temperature, accuracy better than 1% of calibrated span, 0 – 10% methane; Resolution to 1 ppm/0.0001% |
| Analog Outputs: | 0 – 5 Volts, adjustable from 0 – 100 ppm/10 Pa, to 0 – 20%/kPa methane in eleven ranges, plus separate outputs for optical bench temperature and barometric pressure, 4 ranges each; short circuit protected |
| Concentration Range: | 0% to 10% CH4 |
| Display: | Digital, 2 x 16 alphanumeric LCD |
| Flow Rates: | 5 – 2000+ mL/min recommended flow rate from 20 – 500 mL/min |
| Noise and Drift: | At constant temperature, flow rate and CH4 concentration – Noise < 3 ppm RMS (10 second digital filtration setting), drift < 0.01% over 24 hours |
| Readout: | Line 1 – CH4 concentration to 1 ppm, 0.001% or 0.01%, depending on concentration; or partial pressure of CH4; Line 2 – barometric pressure to 0.001 kPa. |
| Serial I/O: | RS232-8N1; both polled and broadcast modes available |
| Technology: | Dual wavelength infrared with gold-plated optical path |
| Temperature Range: | Operating, 18 to 45 C, non-condensing relative humidity |
| Recommended Calibration Interval: | 1 Year |
| Power Requirements: | 12 – 24 VDC; universal adapter supplied |
| Dimensions (W x D x H): | 12 x 12 x 4 in. (30.5 x 30.5 x 10.2 cm) |
| Weight: | 5 lb (3 kg) |
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