LANDTEC BIOGAS 3000, Operating Manual, Page: 20 / 181

20 Operating Manual
BIOGAS 3000 Overview
OMBG3000 – Iss.01 © Copyright 2016
3.5 Model Type Definitions
BG3K1
3.5.1

The BG3K1 measures CH
4
, CO
2
, and O
2
as standard with a choice of up
to two additional gases (one internal to the module and one external)
and measures from one sample point.

It has user selectable sample and air purge intervals that are exhausted
back to the process and atmosphere respectively.

The 4-20mA and Modbus outputs are updated at the end of each
sample.

The following image is a simple block diagram of the system including
the optional external gas sensor:
BG3K2
3.5.2

The BG3K2 measures CH
4
, CO
2
, and O
2
as standard with a choice of up
to two additional gases (one internal to the module and one external)
and measures from two sample points.

It has user selectable sample and air purge intervals that are exhausted
back to the process and atmosphere respectively.

The 4-20mA and Modbus outputs are updated at the end of each
sample.

The following image is a simple block diagram of the system including
the optional external gas sensor: