Ampcontrol Gasguard 2 GG2 DETECTOR - Product Specifications; Electrochemical O2 and CO Specs

Ampcontrol Pty Ltd – ABN 28 000 915 542
GG2 DETECTOR USER MANUAL
GG2B011 Version 3 – June/19
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 28 of 39
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– PROPERTY OF AMPCONTROL PTY LTD
– NOT TO BE
REPRODUCED IN PART
7 SPECIFICATIONS
7.1 Electrochemical O
2
Electrical
Supply Voltage
10 - 16.5VDC
Max Power
Consumption
0.1W
Mechanical and Environment
Dimensions (H x W x D)
86.5mm x 85mm x 93mm
Weight
1kg
IP Rating
IP54
Humidity Range
15% to 90% r.h. non-condensing
Temperature Range
-20˚C to + 40˚C
Pressure Range
±20kPa
Response Time (t90)
via diffusion
<60s
Warm-up Time
30 mins
Stabilization time
(for calibration
adjustments)
3 mins
Sensor Unit
Detection Method
Electrochemical
Calibrated Range
0-25%
Accuracy
±0.3% v/v over the range 10% to 25% v/v
±0.5% v/v over the range 0% to 9.9% v/v
Drift
<1% per 3 months
Repeatability
±1% of reading
Sensing Element Life
>48 months
Resolution
<0.1% v/v
1
Certification
IECEx
IECEx TRA 16.0020X
DPI
MDR 0001030 GD
1
The output measurement resolution is consistent across all gas types and does not infer the accuracy of
the gas type
Table 9: Typical Oxygen Cross-Sensitivity
Test Gas Mixture
Instrument variance from
Standard Test Gas
5% Methane in Air
±0.3% Oxygen
0.01% Hydrogen in Air
±0.3% Oxygen
0.1% CO in Air
±0.3% Oxygen
10ppm Hydrogen Sulphide in Air
±0.3% Oxygen
5% Carbon Dioxide in Air
±0.3% Oxygen
10% Carbon Dioxide in Air
±0.4% Oxygen
5% Nitric Oxide in Air
±0.3% Oxygen
5% Nitrogen Dioxide in Air
±0.3% Oxygen