Brand: Elster

Elster gas-net F1 Flow Computer for Gas Measurement

Name: Elster gas-net F1 Flow Computer | Gas Metering – Manual
Brand: Elster

Description

Product Overview

The Elster gas-net F1 is a compact flow computer designed for gas measurement in metering stations. It calculates volume flow of natural gas from the signals of differential pressure transmitters, pressure transmitters and temperature sensors, with digital compensation according to the selected standard, providing accurate flow and volume data for custody transfer and process monitoring.

The instrument processes analog 4-20 mA inputs and pulse inputs from gas meters, applies the gas law calculations with configurable standards, and provides outputs including analog 4-20 mA, pulses and serial communication for data transmission. Its compact design makes it suitable for installation in metering cabinets and skids.

Key Features

Compact flow computer for gas volume and flow measurement
Digital compensation using pressure, temperature and differential pressure inputs
Analog 4-20 mA and pulse input channels for meters and transmitters
Configurable gas calculation standards
Analog 4-20 mA and pulse outputs for recording and control
Serial communication for data exchange with SCADA systems
Reliable operation in metering stations and skids

Technical Specifications

Model	gas-net F1
Function	gas flow computer with digital compensation
Inputs	analog 4-20 mA channels, pulse inputs
Outputs	analog 4-20 mA, pulse outputs, serial interface
Measurement	volume flow of natural gas and other gases
Application	metering stations, pressure reduction stations
Manufacturer	Elster (Honeywell gas solutions)

Applications

The gas-net F1 is used in natural gas metering stations, city gate stations, industrial offtakes and distribution networks for accurate flow measurement, volume accounting and integration with SCADA and telemetry systems.

Ordering and Selection

When ordering the gas-net F1 flow computer, confirm the input channel configuration, communication interface and calculation standard, because each the gas flow computer is configured for the specific metering station duty. The gas-net F1 accepts analog and pulse inputs from gas meters and transmitters, and the selected the gas flow computer configuration determines how the gas volume is calculated and reported. Our team can help you confirm that the Elster gas-net F1 you select matches your metering skid, transmitter types and SCADA interface. Every Elster gas-net F1 supplied by Seven Star LLC is verified against the Elster ordering documentation.

Maintenance and Support

The Elster gas-net F1 is designed for reliable operation in metering stations, with periodic verification recommended for custody transfer applications. Genuine spares and accessories, including power supplies and communication modules, are available through Seven Star LLC. Contact our team and we will confirm availability for your project.

Industry Applications and Custom Support

The Elster gas-net F1 flow computer is trusted by operations and maintenance teams across gas networks and metering stations in Oman, the GCC and the wider Middle East region. Our customers select the gas-net F1 for reliability, genuine quality and dependable supply. Seven Star LLC provides custom support including technical selection, quotation and after-sales assistance, and we regularly supply this flow computer as part of preventive maintenance programs and shutdown packages. Whether you need a single unit or a complete set for a project, our team supports procurement and inspection.

The gas-net F1 flow computer calculates the corrected volume and the energy of the natural gas, and the unit stores the measurement history with the archive for the fiscal metering.

The flow computer archive supports the custody transfer reporting, and the configuration covers the standard orifice and the turbine meter inputs.

Why Seven Star LLC?

Seven Star LLC supplies genuine Elster gas measurement equipment and spares to customers in Oman and the GCC. We verify model numbers and input configurations, ensuring the correct flow computer for your metering station.

Our engineers help you verify the exact model and revision before ordering, avoiding costly mismatches.

Planning the Metering Station Signals

Before configuring a compact flow computer, list every signal the station will provide: differential pressure transmitters for orifice runs, pulse outputs from turbine or rotary gas meters, pressure and temperature transmitters, and any gas composition data. Match these to the available input channels, and confirm which calculation standard your gas supply agreement specifies. Agree the outputs needed by SCADA or telemetry, including totals, flow rates and alarms, so that the serial communication map is settled early.

Installation and Commissioning

Install the unit in a metering cabinet or skid enclosure in the safe area, with barriers or isolators for field signals originating in hazardous zones. Segregate signal and power cabling and earth screens correctly. During commissioning, inject known signals at each analog and pulse input and compare the indicated values, then check the calculated flow and volume against an independent calculation using the same inputs. Confirm that SCADA receives the expected values over the serial link before the station is placed into service.

Maintenance and Troubleshooting

Routine work focuses on the connected instruments: periodic verification of differential pressure, pressure and temperature transmitters and meter pulse checks. Unexpected volume results usually trace back to a drifting transmitter, a wrong configuration value or a faulty pulse input rather than to the flow computer itself. Keep configuration backups and change records, particularly on custody transfer points, so that any adjustment can be traced during audits.

Applications in Oman and the GCC

Across the region, the Elster gas-net F1 fits city gate and pressure reduction stations, industrial gas offtakes, fuel gas metering at power and desalination plants, and metering skids where a compact device is preferred over a larger station computer.

Sourcing from Seven Star LLC

Seven Star LLC supplies gas flow computers and metering spares to operators in Oman and the GCC. Share the station signal list or the details of your installed unit and we will confirm the matching configuration.

Request a Quote for Elster gas-net F1 Flow Computer for Gas Measurement

For the Elster gas-net F1 or any related control and instrumentation requirement, contact the Seven Star LLC team. Submit a formal inquiry through our RFQ page with your required quantity and specification, and our specialists will respond with a detailed commercial proposal and the relevant Elster documentation.

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About brand

Elster is a gas metering and combustion control brand founded on 1 October 1848 in Berlin, where it began by making gas lamps. It built a factory in Mainz in 1876 and later merged with the Dutch flow specialist Instromet in 2005. Melrose bought the Elster group in 2012, and Honeywell acquired it in 2015–2016, so Elster products are now sold by Honeywell.
Seven Star LLC sources and supplies Elster ultrasonic flow meters, gas flow computers and station communication units for pipeline and utility operators in Oman.

Elster company profile
Founded1 October 1848, Berlin, GermanyHeadquartersMainz-Kastel, Germany (historic group base)OwnershipHoneywell, since the end of 2015 / January 2016Related brandsInstromet, Kromschröder and American Meter, all part of the former Elster groupProduct familiesTurbine, rotary and ultrasonic gas meters, volume correctors and flow computers, gas pressure regulators and safety shut-off valves, Kromschröder burner controls and valves

Milestones
1848: Elster is founded in Berlin and starts producing gas lamps.1876: The factory in Mainz is built.2005: Elster and Instromet merge.2012: Melrose acquires the Elster group.2016: Honeywell completes its purchase of Elster from Melrose.

Elster product families listed here

The Elster flow meter on this page is the Q.Sonic plus, a multipath ultrasonic gas meter for custody transfer measurement, listed together with a USM display unit. Flow computers come from two device series. The enCore series is represented by the enCore FC1 and the enCore ZM1. The gas-net series is represented by the gas-net F1 flow computer and the gas-net D2, a data forwarding unit for the DSfG station interface used in German-standard gas metering systems.

Where Elster gas metering equipment is used

Elster gas meters and flow computers work at transmission and distribution metering stations, city gate and pressure reduction stations, power plant and industrial fuel gas inlets, and gas storage sites. The flow computer converts measured volume to base conditions using pressure, temperature and gas quality data, records the fiscal archives and passes data to the SCADA system.

Elster products we list
FamilyExamplesFlowmeters IRM-3 DUO Rotary Gas Meter DN100 to DN200, Q.Sonic plus Ultrasonic Gas Flow Meter, Quantometer Q/Q75 Turbine Gas Meter DN50…, RABO Rotary Gas Meter DN32 to DN150, TRZ2 Turbine Gas Meter DN50 to DN150, Honeywell Elster USM QP Ultrasonic Flow…Flow Computers EK280 Gas Volume Conversion Device, enCore FC1 Flow Computer, gas-net F1 Flow Computer for Gas Measure…, Elster® enCore ZM1 Flow Computers Industrial Communications Gas-Net D2 DSfG-DFU Data Forwarding Unit Gas Analyzer Systems GasLab Q2 Real-Time Natural Gas Quality…

Ordering Elster meters and flow computers: what we need

For an ultrasonic meter: nominal size, pressure rating and flange standard, flow range, gas composition, operating pressure and temperature, the metrological approval required and the flow calibration expected. For a flow computer: device type, the serial number and software version of the existing unit, the I/O boards fitted, the meters and transmitters connected, the conversion and compressibility method (for example AGA 8) and the communication protocols. A photo of the type plate and the parameter printout shorten the check against the manufacturer's documentation considerably.

Facts checked against Elster's own milestone timeline and the Honeywell acquisition announcements, October 2026.

Browse Elster products by category: Flow Computers, Flowmeters, Industrial Communications.

FAQ

Questions about the Elster gas-net F1 Flow Computer for Gas Measurement

Answers from our engineering team on installation, compatibility and integration.

01What is the Elster gas-net F1?

It is a compact flow computer for gas volume and flow measurement with digital compensation in metering stations.

02What inputs does the F1 accept?

It accepts analog 4-20 mA signals from pressure, temperature and differential pressure transmitters, plus pulse inputs.

03What outputs does it provide?

It provides analog 4-20 mA outputs, pulse outputs and serial communication for data transmission.

04Where is the F1 installed?

It is installed in gas metering stations, city gate stations and industrial offtakes.

05What details should I include in my inquiry for the Elster gas-net F1?

Send the part number, your system details and the required quantity through the RFQ page. Seven Star LLC confirms the exact configuration, the matching accessories and the commercial terms for your project.