Biogas 300

Geotech Biogas 300 Fixed Gas Analyser

  • Simple to operate – push button operation
  • 0-100% CH4 measurement
  • Single sample point monitoring

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Easy to self-install, operate, and maintain, the Biogas 300 is a cost-effective, fixed-system biogas analyser for CH4 monitoring. Ideal for 500kW or smaller-scale anaerobic digestion plants, from agricultural to food waste, with typical applications.

Features

  • Easy-to-read backlit display through a transparent enclosure door.
  • Last reading stored for on-screen viewing.
  • IP65-rated ABS enclosure.
  • Modbus data output.

Benefits

  • No training required.
  • Zero service downtime, optional hot-swap.
  • Simple user calibration.
  • Field-proven technology.
  • Quick and easy self-installation.
  • Low cost of ownership.
  • Compact self-contained system.

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Title Size
Biogas 300 Datasheet 972 KB

Additional information

Weight 0.09 kg

Specifications

GENERAL SPECIFICATION
Number of sampling points 1
Gases monitored CH4
Sample pressure Non-pump version suitable for +10 to +50 mb sample points
Pumped version suitable for -100 to +350 mb sample points
Operating temperature range 0°C to +50°C
Detects low flow and blockages Reading obtained by user pressing sample button
POWER
Mains 110-240 Vac 50/60 Hz
Power 12W
Real time clock back up Lithium manganese dioxide coin cell
GAS RANGES
Gases measured CH4 – By dual wavelength infrared cell with reference channel
Range CH4 – 0-100%
Typical accuracy – after calibration* CH4 – ±2.0% vol
Response time, T90 CH4 – 120 seconds**
PUMP (OPTIONAL)
Flow 100ml/min typically
Maximum vacuum restart -100mb
Maximum sample pipe length 50 meters***
COMMUNICATION OPTIONS
Output channels Modbus (as standard)
4-20mA current sink (optional)
4-20mA current source via a loop powered isolator (optional)
PHYSICAL
Weight Max 10 kg
Size 500 x 400 x 200mm
Enclosure ABS, IP65 rated (with supplied wall mounting brackets)
Operation keys Tactile five button membrane keypad and sample button
Display Liquid crystal display with 20 x 2 characters and white LED backlight
Moisture removal filters User replaceable inline PTFE filter and coalescing filters
COMPLIANCE
BS EN 61010-1: 2010 Safety requirements for electrical equipment for measurement, control, and laboratory use. Part 1: General requirements
BS EN 50270: 2006 Electromagnetic compatibility – electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
* Plus accuracy of calibration gas used.
** T90 taken from point gas enters the system at ambient pressure and 100ml/min flow rate.
Different applications will increase or decrease time accordingly.
*** Note: sample pipe length will affect response times.

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