EDMI GS-60B - Page 43

GS-60B Residential Gas Meter - Product Guide
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Measurement Accuracy
Measurement Class
MID Class 1.5
Accuracy
Flow rate: 0.04 to 0.6m3 < +/- 3%
Flow rate: 0.6 to 6.0m3 <+/- 1.5%.
Measurement Approach
Method
Single bounce speed of ultrasound time measurement
Gas Supply
Gas
Natural as H,L & E gas as per EN437
Maximum Pressure
200 mbar
Environmental
Operating
Temperature
Operating Range: -10ºC to 55ºC
Storage and transport range: -20ºC to 60ºC
Ingress Protection
IP67
Humidity
Relative operating humidity: Up to 95%
Storage Humidity of 30% to 95% non-condensing for 30 days.
Product Life
Designed to last for at least 15 years under normal operating conditions.
Hardware
Time Clock
Accurate to within 10 seconds of the UTC date and time under normal operating conditions -
>10 seconds, alert sent via the Communication Hub to the supplier for rectification.
Accurate to within < 0.2 secs/day of the UTC date and time under normal operating
conditions.
Battery
Main Cell: D-Type Lithium (Replaceable)
Backup supercapacitors
Battery life of 15 years in normal operating conditions.
Liquid Crystal
Display
Large 16×2 character display