All Categories > By Primary Gas to be Measured > Oxygen Analyzers (O2) > Continuous Oxygen Analyzers (Continuous O2 Analyzers) > Continuous Landfill Site Analyzers - 910 Series > Item # 910D2 Series  
Download PDF Download PDF     Printable Page     Email Email This Page     Save To Favorites Save To Favorites

Item # 910D2 Series, Continuous Landfill Site Analyzers - 910 Series; NEMA 4 cabinet with Hazardous Area Purge System

For continuous analysis of oxygen (O2), methane (CH4), and/or carbon dioxide (CO2) in recovered gases from landfill sites.

Cabinet: NEMA 4 cabinet with Hazardous Area Purge System; available for Class 1 Div1 & Div2 hazardous areas

Specifications  · Applications  · Features  · Options  · Calibration


Method of Detection

Long life electrochemical O2 sensor, field-cleanable infrared CH4 & CO2 detector

Ranges Available

0-25.0% O2; any range between 0-50.0% and 0-100.0% CH4, CO2


0.1% on CO2, O2, & CH4

Accuracy & Repeatability

±1% of full scale


Less than 2% of full scale per month

Response Time (T-90)

Less than 30 seconds not including sample line delay

Ambient Temperature Range

40 to 120°F (4 to 48°C), Lower temperatures (-5°F, -20°C) with Cold Weather Package


±1% of full scale for each gas measured

Size & Weight

24" H x 20" W x 10" D @ 90 lbs (61 x 51 x 25 cm @ 20 kg)
Physical data may vary depending on options required


115 VAC, 60 Hz
220 VAC, 50 Hz

Output Options

4-20 mA into 500 ohms non-isolated standard
Isolated 4-20 mA, RS232, RS485, MODBUS, Ethernet outputs


High O2, high CO2, low CH4, low flow; SPDT relays with 10A contacts

Analyzer Type

Landfill Gas Analyzer

Other Analysis Options

BTU - BTU readout, range 0-1000 BTU
H1 - H2S, range 0 - 200 PPM

H2 - H2S, range 200 - 5000 PPM

H3 - H2S, range 1000 - 10000 PPM (if no CO2 in sample)

H4 - H2S, range 1000 - 10000 PPM (if CO2 is in sample)

Hazardous Area Rating Options

Class 1, Division 2 Group BCD

    For continuous analysis of oxygen (O2), methane (CH4), and/or carbon dioxide (CO2) in recovered gases from landfill and biogas sites.

  • Easy to use manual potentiometer calibration with LCD digital displays for each gas
  • Temperature controlled sensors to reduce drift due to ambient temperature swings
  • Long life electrochemical O2 sensor
  • Modular, field-cleanable infrared CO2/CH4 detector
  • Cabinet positive-pressure kit to minimize corrosive effects of hydrogen sulfide (H2S) on cabinet electronics & sensors
  • Built in sample pump, pre-filter, filters, and flow meter
  • Automatic moisture removal without the use of cooling water, compressed air or failure-prone thermal-electric elements
  • Vacuum gauge and valve to allow user to measure and minimize vacuum effects if unit is vented back to blower
  • Rugged NEMA4 (IP65) enclosure
  • 4 - 20 mA outputs for each gas
  • Low flow alarm & relays

  • Gas hi/low alarms with relay contacts
  • Isolated analog, RS232, RS485, MODBUS, and Ethernet outputs available
  • Class 1 Division 2 Group BCD rated purge kit for use in hazardous areas
  • Cold weather package for operation to -20°C (-5°F)
  • Solid-state cabinet coolers that do not require instrument air

  • Ambient air for O2 span and CO2 & CH4 zero
  • Analyzed calibration gas of CH4 in nitrogen with a representative balance of CO2 and N2 for CO2 & CH4 span and O2 zero


910 Series Landfill Gas Analyzers
(PDF, 639KB)