Nbiot Smart Gas Meter

• Kind: Intelligent Gas Meter
• Diameter: <25mm
• Precision Grade: 0.015
• Application: Civil
• Starting Flow: <0.5m³/h
• Type: G4
• Model NO.: WG serial
• Transport Package: Pallet
• Specification: OIML R137/EN1359
• Trademark: Beta
• Origin: Made in China
• HS Code: 90281010
• Production Capacity: 5000PCS/Day

Product Description

STANDARD
Comply with international standard EN1359, OIML R137 and MID2004/22/EC.
MATERIALS
Body case made of die-casting high-quality(galvanized)steel. Diaphragm made of synthetic rubber with long life and temperature resistant.
Valve and valve seat made of advanced PF synthetic resin.

SPECIFICATION
ITEM            MODEL	G1.6	G2.5	G4
Nominal Flow Rate	1.6m³/h	2.5m³/h	4m³/h
Max. Flow Rate	2.5m³/h	4m³/h	6m³/h
Min. Flow Rate	0.016m³/h	0.025m³/h	0.040m³/h
Total Pressure Lose	≤200Pa
Operation Pressure Range	0.5~50kPa
Cyclic Volume	1.2dm³
Permissible Error	Qmin≤Q<0.1Qmax			±3%
	0.1Qmax≤Q≤Qmax			±1.5%
Min. Recording Reading	0.2dm³
Max. Recording Reading	99999.999m³
Operation Ambient Temperature	-10~+55ºC
Storage Temperature	-20~+60ºC
Service Life	More than10 years
Connection Thread	NPT 3/4 or Customized.
IP Protection	IP 66
Communication	NB-IOT Protocol

Meter Features
- Gas Consumption and Data
  Freezing
- Remote Meter Reading
- Remote Control Valve
- IC Prepay
- Safe Encryption
- Infrared Calibration
- Power Monitoring
- Display and Alerts
- 10 Years service life
System Main Functions
 - Consumption Data
 - Operation Control
 - Operation & Maintenance
 - Value-Added Service

Alarms Features
- Tamper/ event Flag
- Communication failure
- Low battery
- Low Credit

Vending system features
 - Friendly interface
 - Online top up(web &app)
 - Multi-tariff
 - Holiday/Weekend
  Emergency credit