DSM SMART GAS METER

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Description

SPECIFICATION

Item Unit Model Series
G1.6 G2.5 G4
Standards and Certification OIML R137-1&2 LoRa Standard
Type Diaphragm Gas Meter
Body Material Aluminium Die Casting
Flow Direction Left to Right
Cyclic Volume d㎥ 1.2
Qmax ㎥/h 2.5 4.0 6.0
Qmin ㎥/h 0.016 0.025 0.04
Maximum Working Pressure bar 0.5
Qmin≤Q≤0.1Qmax % ±3%
0.1Qmax≤Q≤Qmax ±1.5%
Temperature Range -10℃~55℃
Number of Totalizer Digit 99999
Weight kg 2.4 2.4 2.7
LCD Display 7 segment HTN LCD Display, -5 digits and 1 digit, icons
Communication technology LoRa (NB-IoT/CAT-M1 : optional)
Antenna Internal antenna(6dBi)

LCD Display

Icon Description
Error and alarm
Communication status
Setup
Valve Close status
Valve Open status
Leakage @ Valve closed
Clock
Icon Description
Battery status (good voltage)
Battery status (Battery replacement)
Battery status (Valve blocking)
Upload data
Download data
Flow rate status and function number
Volumetric unit
Accumulative consumption volume / flow rate / error / firmware version

Gateway

Item Feature
Power PoE : 48V class 0
CPU Cortex-A8 core processor ~ 1200 Mips
Real time clock saved by battery
Memory eMMC (4GB), DDRAM (128MB)
LoRa Sensitivity : -141 dBm @ SF12
Tx conducted power : 0 ~ 29.5 dBm
49 LoRa Demodulators over 9 channels
More than 10 km in sub-urban situation
3/6 dBi Omni-directional Antenna
WWAN HSDPA/UMTS/GPRS/EDGE, standard GSM w/ Simcard
Ethernet 10/100 base T
GPS Integrated GNSS high sensitivity GPS module
Dimension 215 X 190 X 80 mm
Weight 2.9 kg (including mounting kit)
Environmental IP67, operating temp. : -20°C ~ +60°C

Additional information

Gas Meter Type

Diaphragm

Body Material

Aluminium Die Casting

Flow Direction

Left to Right

Cyclic Volume

1.2d㎥

Qmax

2.5㎥/h, 4.0㎥/h, 6.0㎥/h

Qmin

0.016㎥/h, 0.025㎥/h, 0.04㎥/h

Maximum Working Pressure

0.5bar

Qmin≤Q≤0.1Qmax

±3%

0.1Qmax≤Q≤Qmax

±1.5%

Temperature Range

-10°C ~ 55°C

Number of Totalizer Digit

99999.999

Weight

2.4kg, 2.7kg

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