Continuous Analyzers for Landfill Site and Biogas Recovery & Processing
Continuous Analyzers for Landfill Site and Biogas Recovery & Processing
SKU:MUL-358480
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$49.99
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Continuous Analyzers for Landfill Site and Biogas Recovery & Processing
$49.99
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Continuous Analyzers for Landfill Site and Biogas Recovery & Processing
$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.
Product Specifications
Applications 0
For continuous analysis of oxygen (O2), methane (CH4), and/or carbon dioxide (CO2) in recovered gases from landfill and biogas sites. Hydrogen sulfide (H2S) readout optional.
Calibration 0
Ambient air for O2 span and CO2 & CH4 zeroAnalyzed calibration gas of CO2 and CH4 in nitrogen for CO2 & CH4 span and O2 zero
Features 0
A - BASE MODELEasy to use manual potentiometer calibration with LCD digital displays for each gasTemperature controlled sensors for maximum stabilityLong life electrochemical O2 sensorInfrared detector for reliable measurement of CO2 and CH4 (Models other than 910A or 910C). Detector may be cleaned in the fieldStainless steel hard tubing and corrosion-resistant components for internal sample health Cabinet positive-pressure system to minimize the corrosive effects of hydrogen sulfide (H2S) on cabinet electronics & sensorsBuilt in sample pump, pre-filter, filters, and flow meterAutomatic moisture removal without the use of cooling water, compressed air or failure-prone thermal-electric elementsBack pressure regulator to allow user to measure and minimize vacuum effects if the unit is vented back to the blowerRugged NEMA4 (IP65) enclosureIsolated 4 - 20 mA outputs for each gasLow flow alarm & relays C - AUTOCALIBRATION MODELSame features as Base model, plus:Automatic analyzer calibration with full-color touch screen LCD displayDiagnostic alarms with troubleshooting guidance in display'Cal Now' feature initiates full calibration with a single swipe of a magnetic wand
Options 0
H2S & BTU readouts (see ranges and models)Gas hi/low alarms with relay contactsRS232, RS485, MODBUS® and Ethernet outputs (available on Model C only)Class 1 Division 2 Group BCD rated purge kit for use in hazardous areasOutdoor weather package for operation from -22°F to 158°F (-30°C to 70°C)O2 measurement by paramagnetic detector
Specifications Accuracy Repeatability
±1% of full scale
Specifications Alarms
High O2, high CO2, low CH4, low flow; SPDT relays with 10A contacts
Specifications Ambient Temperature Range
40°F to 104°F (4°C to 40°C), Optional: -30°C to 55°C (-22°F to 131°F) with Outdoor Weather Packages
Specifications Drift
Less than 2% of full scale per month
Specifications Linearity
±1% of full scale for each gas measured
Specifications Method Of Detection
Electrochemical sensor for O2 & H2S, infrared detector for CH4 & CO2
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 Gas To Be Measured
Carbon Dioxide (CO2) | Hydrogen Sulfide (H2S) | Methane (CH4) | Oxygen (O2)
Specifications Ranges Available
0-25.0% O2; 0 - 200 up to 0 - 2500 PPM H2S; any range between 0-50.0% and 0-100.0% CH4 and CO2
Specifications Resolution
0.1% on CO2, O2, & CH4, 1 PPM on H2S
Specifications Response Time T 90
Less than 30 seconds not including sample line delay
Specifications Size Weight
24" H x 24" W x 10" D @ 90 lbs (61 x 61 x 25 cm @ 20 kg)