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OMBIO5KN4.1
BIOGAS 5000 gas analyser
Page
14
Copyright Geotech
4.0 BIOGAS 5000 optional products and accessories
4.1
Optional products
The BIOGAS 5000 gas analyser has a number of optional products for purchase which
enhance the usability and enable further analysis of data and reading information.
Note: For more information on the features listed in this section please contact Sales
at Geotech on +44(0)1926 338111 or email
4.1.1 Pitot tube (optional)
The BIOGAS 5000 gas analyser enables the use of a pitot tube to aid accurate flow
measurement. The pitot tube is used for gas extraction systems and the pressure
readings are taken in mbar. High gas flow is calculated in the analyser in m
3
/hr
(metres cubed per hour).
4.1.2 Orifice plate (optional)
Geotech recommends the use of orifice plates as good practice when using the BIOGAS
5000 gas analyser, enabling repeatability in flow measurement via a fixed method.
Orifice plates are a specialised product and configuration and Geotech does not
currently manufacture or sell spare parts for this product. Please refer to a specialist
supplier if the use of Orifice plates is required.
4.1.3 Temperature probe (optional)
The BIOGAS 5000 gas analyser has the facility to automatically display and record the
borehole temperature via an optional temperature probe.
When a temperature probe is fitted the temperature reading will be displayed on the
‘Main Gas Read Screen’ and recorded with all other data.
Note: Temperature probes with an Ex label are part of the BIOGAS 5000 Ex
certification SIRA 11ATEX2197X and IECEx SIR11.0089X, and therefore
certified for use under the same conditions as the analyser.
4.1.4 Anemometer (optional)
The BIOGAS 5000 gas analyser has the facility to automatically display and record high
flow via an optional anemometer probe. It is designed to plug into the instrument and
instantly provide a flow indication. An anemometer probe adds flow measurements to
the professional reporting ability of the BIOGAS 5000 range along with gas
concentrations, pressure and temperature.
The anemometer has a simple connection, a narrow diameter measurement head
(11mm), a wide temperature operating range (up to 80
o
C) and indicates flows up to 40
m/sec.
When an anemometer probe is fitted to the analyser the flow will be displayed in the
‘Main Gas Read Screen’ and recorded with all other data.
Flow can be measured in either m/s (gas velocity) or m
3
/hr (volume flow rate). In
order to calculate the volume flow rate the pipe diameter will need to be entered into
the instrument, either manually or via the Gas Analyser Manager software.
Note: The anemometer probe is part of the analyser Ex certification BVS
04ATEXE194 for use with ATEX only and is therefore certified for use in a
potentially explosive atmosphere.