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11.3. List of suitable gases and calibration gases
Attention: Gases which may react when there is no air must not be used.!
Calibration gas
Mixture (methane + CO
Blend tolerance: ±-2% rel.
Accuracy: ±-2% rel.
10 l operational calibration gas
cylinder
(not always included in
Honeywell package)
* The mixture depends on the measuring gas. Please use an appropriate gas from the following table
Current measuring
range for CO
min 0
max 4 mol%
min 0
max 20 mol%
GasLab Q2 system
Gas connections
(
Standard equipment,
other connections
available on request)
Gas Manifold
Gas management
Information for general use
Rev. M / 73023639
TECHNICAL DATA AND INFORMATION
Ranges/Variables
with automatic calibration cycle
Flow rate of calibration gas during calibration:
)*
2
30 l/h – 60 l/h recommended setting
Minimum
Normal
Maximum
Ensure that only suitable standard-compliant types are
used if you do not source them from Honeywell.
The cylinder pressure must be greater than 2.0 MPag ≙
20 barg.
Other accessories required: pressure regulators and
connection lines
Operational calibration
2
CO
2 mol%
2
CO
10 mol%
Values and/or comments
Inlets (up to 1 x process gas, 1 x calib. gas)
Outlets (1 x process gas bypass, 1 x measured gas)
Swagelok pipe fittings 6 mm or ¼" available from Honeywell
two-channel double block and bleed device for process gas
Integrated
and calibration gas
0.15 MPag ≙ 1.5 bar
0.20 MPag ≙ 2.0 bar
0.25 MPag ≙ 2.5 bar
Preferred gas for
CH
+
mixture
5 mol%
4
CH
+
mixture
20 mol%
2
4
249
Service calibration
CO
CH
+
mixture
2
4
CO
CH
+
mixture
2
4
GasLab Q2
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