BioGas Analyser 3000

Gas Analyser

BioGas Analyser 3000

Product Features :

•  CH4 CO2 & O2 - standard measurements
•  H2S, H2 and CO - choice of up to two optional measurements
•  Modular design enabling hot-swap for serviceability and onsite maintenance
•  User calibration function to maintain accuracy & ensure data reliability in extreme temperatures
•  ATEX and IECEx certified for use in potentially explosive gas atmospheres - zone 2
•  ISO / IEC 17025 calibration for optimal accuracy
•  Ability to monitor the gas control process before and after desulphurisation
•  Continuous monitoring option
•  Up to 4 sample points to monitor the complete gas control process
•  IP65 rated for weather proofing
•  Built in liquid level monitoring with a dedicated alarm to inform the user that the contents of the catchpot requires emptying or an optional automated moisture removal drain
•  Gas alarms & fault notifications
•  6 x 4-20mA outputs
•  Modbus RTU communication
•  Optional Profibus and Profinet communication
•  Clear, visual and informative colour display
•  Optional heater to extend operating temperature range to -20°C
•  Extended Warranty & Service pack options through approved global service centres

Technical Specifications

• GENERAL SPECIFICATION
• Number of sampling points: 1-4
• Gases to be monitored: CH4, CO2 and O2 with optional H2S, H2 and CO (choice of up to 5)
• Reading intervals: User definable, with a continuous1 CH4, CO2 and O2 option available
• Operating temperature range: 0°C to +50°C without heater, -20°C to +50°C with heater

POWER

• Mains options: 110-230 VAC 50/60 Hz
• Consumption: 155W max.
• Backup memory: Lithium manganese dioxide backup battery for memory retention

GAS RANGES

• Gases measured
• CH4 and CO2: By dual wavelength infrared cell with reference channel
• O2: By internal electrochemical cell
• H2S / H2 / CO: By internal / external electrochemical cell
• Cell
• Range
• Typical accuracy (range : accuracy)*
• Standard gas cells
• CH4
• 0-100%
• 0-70% : ±0.5% (vol)
• 70-100% : ±1.5% (vol)
• CO2
• 0-100%
• 0-60% : ±0.5% (vol)
• 60-100% : ±1.5% (vol)
• O2
• 0-25%
• 0-25% : ±1.0% (vol)
• Cell
• Range
• Typical accuracy (range : accuracy)*
• Internal accuracy
• External accuracy
• Optional gas cells
• H2S
• 0-50ppm
• ±1.5% FS
• ±1.5% FS
• H2S
• 0-200ppm
• ±2.0% FS
• ±1.5% FS
• H2S
• 0-500ppm
• ±2.0% FS
• ±2.0% FS
• H2S
• 0-1,000ppm
• ±2.0% FS
• ±2.0% FS
• H2S
• 0-5,000ppm
• ±2.0% FS
• ±100ppm or 5% of reading (if greater)
• H2S
• 0-10,000ppm
• ±5.0% FS
• ±200ppm or 5% of reading (if greater)
• CO
• 0-1,000ppm
• ±2.0% FS
• ±3.0% FS
• H2
• 0-1,000ppm
• ±2.5% FS
• ±1.5% FS
• Range
• Response time
• Response time, T90**
• CH4
• ≤10 seconds
• H2S (0-50ppm)
• ≤30 seconds
• CO2
• ≤10 seconds
• H2S (0-200ppm)
• ≤35 seconds
• O2
• ≤20 seconds
• H2S (0-500ppm)
• ≤35 seconds
• H2S (0-1,000ppm)
• ≤35 seconds
• H2
• <90 seconds
• H2S (0-5,000ppm)
• ≤40 seconds
• CO
• <30 seconds
• H2S (0-10,000ppm)
• ≤40 seconds
• ** Times are taken from the point gas enters the BIOGAS 3000 module. Sample times will vary depending on length of sample pipe
• Cell lifetime
• O2 cell is 3 years in air, all other cells 2 years in air             

PUMP

• Flow: 300ml / min typically
• Flow-fail point: Flow rate less than 75ml/min or vacuum greater than 350mbar
• Maximum vacuum restart: -375 mbar

COMMUNICATIONS

Output channels:

• Up to six analogue 4-20mA output channels that are user configurable for current sink or source inputs plus Modbus RTU digital output.
• Optional Profibus module
• Optional Profinet module

Alarm notifications: 

• 1 x fault relay
• 7 x user-configrable alarms that can trigger a relay when above or below a set value.
• In addition, one can be used to indicate to the operator when the catchpot is full and requires emptying.

Relay outputs: 

• Single pole changeover 6A 24Vdc relay volt free

ENVIRONMENT CONDITIONS

• Operating pressures: -350 mbar to +350 mbar
• IP rating: IP65
• Humidity: 0-95% non-condensing humidity

PHYSICAL

Weight: 36.5kg

Size: 650 x 600 x 210mm (with supplied wall mounting brackets)

Enclosure: Stainless steel, 600 x 600 x 210mm, IP65 rated

Operation keys: Alpha-numeric keypad with ‘tactile’ membrane

Display: Ultra-clear high resolution 4.3” full colour TFT

Moisture removal filters: User replaceable microfibre filter and 2.0μm ptfe water traps

Heater option: Optional 100W mains powered ATEX certified heater for 110V or 230V mains supply

CERTIFICATION RATING

• ISO17025: Calibrated under UKAS accreditation (certificate number 4533)
• ATEX / IECEx marking: II 3G Ex nA nC IIA T1 Gc (-20°C ≤ Ta ≤ +50°C)
• BS EN 61010-1:2010: Safety requirements for electrical equipment for measurement, control, and laboratory use
• BS EN 50270:2006: Electromagnetic compatibility - electrical apparatus for the detection and measurement

Product Applications

• Agricultural waste
• Biogas upgrading
• Landfill gas monitoring
• Farm waste AD (small scale)
• Gas flaring
• Mixed food waste AD
• Sewage/waste water treatment AD