NB-Fi Gas Meter

Smart gas meter with built-in NB-Fi modem
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Built-in NB-Fi transceiver
Measuring medium pressure up to 5 kPa
Thermal correction function
Maximum flow rate up to 4.0 m³/h
Specifications
Modification
G-1.6 G-2.50 G-3.2 G-4
Nominal diameter (DN), mm
1520
Maximum flow rate Qmax, m³/h
1.6 2.50 3.2 4.0
Nominal flow rate Qnom, m³/h
0.8 1.20 1.60 2.0
Minimum flow rate Qmin, m³/h
0.04
Maximum permissible relative error under normal conditions, within the flow range:
 
- from Qmin (incl.) to 0.2·Qmax
±2.5%
- from 0.2·Qmax (incl.) to Qmax
for accuracy class 1.0 for accuracy class 1.5
 
±1.0% ±1.5%
Gas temperature range, ºС
-10 to + 50
IP degree
IP54
Remote readings
daily message with hourly breakdown
Wireless protocol
NB-Fi
Radio frequency
adjustable, 860-925 MHz
Maximum RF TX Power
25 mW
Data encryption
+
Battery life
10 years
Manufacturer
SCF Betar LLC
Description

NB-Fi Gas Meter is a smart and compact domestic gas meter equipped with an NB-Fi transceiver and designed to measure natural gas consumption volumes by individual consumers.

Passing through the flow generator sensor, gas generates acoustic vibrations therein with a frequency proportional to the gas flow rate. Acoustic vibrations are transmitted to an air-electric switch where they are converted into an electrical signal. The electrical signal arrives at the electronic unit, which amplifies the signal, generates pulses, counts them, converts the received number of pulses to the consumed gas volume and displays this value on the LCD.

NB-Fi Gas Meters are easy to mount – coupling nuts enable installation without the use of any additional connecting elements.

The thermal correction function brings measured gas volume in balance with a temperature of 20°C, which enables to eliminate the influence of seasonal gas temperature on the measured volume.

NB-Fi Gas Meter transmits data via NB-Fi radio protocol to base stations, then base stations forward data packets to the WAVIoT IoT Platform. Processed data is displayed in WAVIoT Meter Data Management system and can be transferred to any third-party application via API.

NB-Fi Smart Gas Meter with NB-Fi transceiver is a reliable solution for advanced gas metering and ensures 100% readings acquisition from devices with no need for regular manual reviews. Detailed gas consumption data on every user is collected in WAVIoT MDM system and may be available in a web-based interface and a mobile application. Flexible reports in different breakdowns may include the data on various consumer groups as well as totals and subtotals.

Advanced gas metering solutions by WAVIoT support end-to-end encryption using the AES-256 – symmetric block cipher algorithm with a 256-bit encryption key. WAVIoT Gas Meter design eliminates unauthorized influence and the possibility of software and measurement information manipulations.

WAVIoT IoT Platform and WAVIoT MDM system support working with multiple types of utilities, so they can be used for all WAVIoT devices simultaneously.


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IoT Solutions

Wireless solutions by WAVIoT are based on the NB-Fi technology that supports secure bidirectional communication for the Internet of Things (IoT), machine-to-machine (M2M), Smart Grid, Smart Utilities, Smart City and industrial applications.

WAVIoT base stations and NB-Fi Transceivers with best-in-class receiver sensitivity enable the use of all advantages of the NB-Fi technology at the same time: long range of bidirectional data transmission, low power consumption and high scalability and stability of IoT networks.

NB-Fi base stations and devices allow fast deployment of IoT applications and provide the protection of confidentiality and integrity of transmitted data by strong encryption algorithms.

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If you are interested in NB-Fi technology, want to know about IoT solutions for your business or have any other questions about business opportunities and products – please contact us.

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