920 Series Continuous Biogas Analyzers
920 Series Continuous Biogas Analyzers
SKU:BYP-358480
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$49.99
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920 Series Continuous Biogas Analyzers
$49.99
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920 Series Continuous Biogas Analyzers
$49.99
Quantity: 1
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The Nova 920 Series analyzers have been designed for monitoring recovered and processed gases from biogas installations. This equipment continuously removes moisture from the wet sample gas without the need for cooling water, compressed air, or failure-prone thermoelectric elements.The 920 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. 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 enclosure is removable to allow quick field change of sensors. The infrared detector can be cleaned in the field if necessary by the on-site technician.On all models with Autocalibration, all calibration functions are controlled through the display rather than through manual controls. The operator only has to input the calibration frequency and leave calibration gas cylinder connected to the analyzer - the rest is automatic. Diagnostics and troubleshooting information are also included in the display interface. This assists operators to quickly determine the cause of an alarm and get the analyzer back on line.Models 920 - O2 921 - CH4 922 - O2 and CH4 923 - CO2 and CH4 924 - O2, CH4, and CO2
Product Specifications
Applications 0
For continuous analysis of oxygen (O2), methane (CH4), and/or carbon dioxide (CO2) in recovered gases from biogas applications. Hydrogen sulfide (H2S) readout optional.
Calibration 0
Ambient air for O2 span and CO2 & CH4 zero Analyzed calibration gas of CO2 and CH4 in nitrogen for CO2 & CH4 span and O2 zero
Features 0
Temperature-controlled sensors for maximum stability Long-life electrochemical O2 sensor Infrared detector for reliable measurement of CH4 & CO2 Stainless steel hard tubing and corrosion-resistant components for internal sample path Cabinet positive-pressure system to minimize the corrosive effects of hydrogen sulfide (H2S) on cabinet electronics & sensors Built-in sample pump, pre-filter, filters, and flow meter Automatic condensate removal Rugged NEMA4 (IP65) enclosure Isolated 4-20mA output for each gas Low flow alarm & relay Automatic calibration with touch screen LCD display Diagnostic alarms with troubleshooting guidance 'Cal-Now' button enables full calibration at any time by activating only one switch
Options 0
H2S & BTU readout (see ranges & models) Gas hi/low alarms with relay contacts Class 1 Division 2 rated purge kit for use in hazardous areas Outdoor weather packages for operation from -20°C up to 55°C (-4°F to 131°F)
Specifications Accuracy Repeatability
±1% of full scale for O2 / CO2 / CH4
Specifications Alarms
Available: High O2, high CO2, low CH4, low flow; SPDT relays with 10A contacts
Specifications Ambient Temperature Range
40 to 104°F (4 to 40°C). Optional: -20°C to 55°C (-4°F to 131°F) with Outdoor Pkgs.
Specifications Analyzer Type
Landfill Gas Analyzer
Specifications Drift
Less than 2% of full scale per month
Specifications Hazardous Area Rating Options
Class 1 Div 1 or Class 2 Div 2, using purge system | General Purpose Non-Hazardous Areas
Specifications Linearity
±1% of full scale for each gas measured
Specifications Method Of Detection
O2 and H2S by electrochemical sensor, CH4 & CO2 by infrared detector
Specifications Output Options
Isolated 4-20 mA standard | RS232, RS485, MODBUS®, Ethernet outputs optional
Specifications Power
115 VAC 60 Hz (220 VAC 50 Hz available)
Specifications Primary Gases To Be Measured
O2 / CO2 / CH4 / H2S
Specifications Ranges Available
0-25.0% O2; any range between 0-50.0% to 0-100.0% CH4, CO2; 0-200 to 0-2,500 PPM H2S; 0-1000 BTU
Specifications Resolution
0.1% on CO2, O2, & CH4, 1 PPM H2S, 1 BTU
Specifications Response Time T 90
Less than 30 seconds not including sample line delay
Specifications Size Weight
Approx. 24" H x 24" W x 10" D @ 90 lbs (61 x 61 x 25 cm @ 41 kg) Physical data may vary depending on options required