The Nova 910 Series analyzers have been designed for monitoring recovered and processed gases from landfill sites. This equipment continuously removes moisture from the wet sample gas without the need for cooling water, compressed air, or failure-prone thermoelectric elements. The 910 Series comes complete with pre-filter, sample pump, flow meter, continuous moisture removal system, long-life O2 sensor, infrared CO2/CH4 detector, low flow sensor, alarm relay contacts, and 4-20mA outputs for each gas measured. The sensors/detectors are mounted in an internal dedicated enclosure which is heated and temperature controlled to reduce drift due to ambient temperature swings. The internal sensor enclusure is removable to allow quick field change of the sensors. The infra-red detector can be cleaned in the field if necessary by the on-site technician. Environmental management packages are available to allow operation of th analyzer outdoors in temperatures from -30 °C (-22 °F) to 70 °C (158 °F).
On the C models with Autocalibration, all calibration functions are controlled through the display rather than manual potentiometers. The operator only has to input the calibration frequency and leave calibration gas cylinders connected to the analyzer - the rest is automatic. Diagnostics and troubleshooting information are also included in the display interface of the C models. This assists operators to quickly determine the cause of an alarm and get the analyzer back on-line.
Specifications
Method of Detection |
N/A Infrared detector for CH4 |
Ranges Available |
N/A Any range between 0-50.0% and 0-100.0% CH4 |
Resolution |
N/A 0.1% CH4 |
Accuracy & Repeatability |
N/A ±1% of full scale |
Drift |
N/A Less than 2% of full scale per month |
Response Time (T-90) |
N/A Less than 30 seconds not including sample line delay |
Ambient Temperature Range |
N/A 40°F to 104°F (4°C to 40°C), Optional: -22°F to 158°F (-30°C to 70°C) with Outdoor Packages |
Linearity |
N/A ±1% of full scale for each gas measured |
Size & Weight |
N/A 24" H x 24" W x 10" D @ 90 lbs (61 x 61 x 25 cm @ 20 kg) |
Power |
N/A 115 VAC 60 Hz (220 VAC 50 Hz available) |
Output Options |
N/A Isolated 4-20 mA standard RS232, RS485, MODBUS®, Ethernet outputs optional |
Alarms |
N/A low CH4, low flow; SPDT relays with 10A contacts |
Analyzer Type |
N/A Landfill Gas Analyzer |
Hazardous Area Rating Options |
N/A Class 1 Div 2 Class using purge kit system For H2 measurement - See 970 Series |
Applications
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Features
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Options
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