Geotech G200 - Recommended Gases for Calibration

Page 43 of 61
Operating Manual
www.geotechuk.com
OMG200N Iss.04
© QED Environmental Systems Ltd.
G 2 00 R A N G E
Recommended Gases for Calibration
The calibration gas recommended depends on the desired operation and concentration of target gas.
The following table outlines the recommended gases that can be used for calibrating each of the
measurements.
Instrument
G200
G210
Application
OEL
Leak
N
2
O 50%, O
2
50%
O
2
100%, N
2
O
Zero Calibration Gases
N
2
100%
N
2
O
N
2
O
O
2
, N
2
O, CO, CO
2
O
2
, N
2
O, CO, CO
2
Span Calibration Gases
N
2
O 100ppm
N
2
O
N
2
O 500ppm
N
2
O
O
2
100%
O
2
N
2
O 50%, O
2
50%
N
2
O, O
2
N
2
O 100%
N
2
O
CO 100ppm,
CO
2
500ppm
CO, CO
2
CO, CO
2