| Place of Origin: | Changsha, Hunan |
|---|---|
| Brand Name: | Winmeter |
| Certification: | OIMLR31/OIMLR137/EN1359 |
| Model Number: | LaRaWAN Gas Meter |
| Minimum Order Quantity : | 100 |
| Packaging Details : | Carton Packaging |
| Delivery Time : | 30 days |
| Payment Terms : | T/T |
| Supply Ability : | 2000 per day (based on the number of the order) |
| Color: | Blue | Material: | Cast Aluminum |
|---|---|---|---|
| Communication Protocol: | DLMS | Brand: | Winmeter |
| Place Of Origin: | Changsha Hunan | Level Of Protection: | IP65 |
| High Light: | Residential, LoRaWAN, Wireless M-Bus, Prepaid | ||
TheLoRaWAN gas meter is a diaphragm meter designed for residential users and measuring natural gas, GPL and manufactured gas.Using ultra-low power microprocessor, combined with wireless communication, measurement and control technology, the metercan easily and effectively solve the problems of gas management and charging. The LoRaWAN gas meter complies with OIML R31/OIML R137/EN1359 standards.
Item | Parameter | ||
Standard | OIML R31/OIML R137/EN1359 | ||
Type | G1.6 | G2.5 | |
Qmax(m3/h) | 2.5 | 4.0 | |
Qn(m3/h) | 1.6 | 2.5 | |
Qmin(m3/h) | 0.016 | 0.025 | |
Cyclic volume | 0.8dm³ | ||
Metering accuracy class | Class 1.5 | ||
Error | 0.1Qmax≤Q≤Qmax | ±1.5% | |
Qmin≤Q<0.1Qmax | ±3% | ||
Indicating range | 0~99999.9998 | ||
Working pressure range(under normal working condition) | 0.5KPa－50KPa (5mbar－0.5bar) | ||
Pressure loss | ≤200Pa (2mbar) | ||
Working temperature | -25℃～50℃ | ||
Fire proof | 650 °C(0.1baracc. EN1359) | ||
Meter Material | Cast Aluminum | ||
Meter working life | ＞10 years | ||
Item | Parameter |
Power source | Lithium battery(replaceable) |
Battery Voltage | 3.6 V |
Pulse Const | Reed switch Pulse, 0.1m3/pulse or 0.01 m3/pulse |
Valve working lifetime | >10000 times |
Communication interface | Optical Wireless M-Bus + LoRaWAN |
Anti-explosion level | ExibⅡBT3 |
Work Environment | -25~50℃，≤93%RH |
IP Code | IP65 |
Key Features
lG1.6~G4, Cast Aluminum, diaphragm gas meter
lEN1359,OIML R31/137Standard
lClass1.5, Vc=0.8dm³, Pmax：50KPa, -25℃~55℃
lPressure measuring point(Optional)
lWith devices to prevent reverse flow and prevent the registration of reverse flow
lIntegrated design of gas meter and valve
lTouch button,LCDand backlight
lOptical (IEC 62056-21)
lWireless M-Bus and LoRaWAN
lNon-contact M1/NFC CPUCard prepaid(Optional)
lIP65 protection
Main Functions
Prepaid Functions
lSupport prepaid/postpaid mode, and it can be switched
lM1/NFC CPUcardprepaid(Optional)
lMax.8 steps of gas tariff
lAnti-storage , Insufficient gas warning ,Self-defined overdraft
Communication
lOptical
lWireless M-Bus
lLoRaWAN, EU868MHz/AS923MHz
lProtocol: EN13757.3, DLMS/COSEM
Advanced Functions
lHolidays Management，Non switch-off during off-duty
lMonthly free consumption gas
lCollect taxes and fee by gas charges
Alarm and Event logs
lAnti-magnetic, Low-Battery detection & log
lOver flow, continuous small flow and meter stop detection & log
lLeakage (continuous gas use, valve failure, etc.) detection & log.
lAnti-tamper(open cover, magnetic interference etc.) detection & log
lHistory data, such as hourly data, daily data, monthly data, etc.
lEvent log, such as top-up, valve open/close, etc.
Security
lData encryption, AES-128.
lCommunication security.
Certificates
lOIML R137
lExibⅡBT3
lIP65
Dimensions
