Exceptional Sales and Service in the Natural Gas Industry since 1967

The 350 Series: Best in Class

ERX350: Electronic Pressure Recorder

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The ERX 350 is an End-of-Line, Low Pressure Point, District Regulator, System Pressure Monitoring, Recording and Alarming instrument.


Honeywell’s ERX 350 Electronic Pressure Recorders are intended to simplify and optimize pressure monitoring applications. This new Pressure Recorder, based on the EC 350 electronic corrector platform offers best-in-class accuracy, expanded memory, advanced diagnostics and integrated cellular communications. The ER 350 also reduces maintenance requirements and is intuitive and simple to use.

EC350: Gas Volume Corrector

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Purpose-built, UMB- and rotary-mount electronic volume correctors intended to simplify and optimize custody transfer and industrial measurement​ 


The new EC 350 electronic volume corrector (EVC) platform leverages 40 years of experience and reuses some important design characteristics of the successful Mini-Max® and Mini-AT product lines. ​It offers best-in-class features such as improved accuracy, expanded memory, advanced diagnostics and integrated cellular communications. When it comes to gas volume correction, EC 350 provides many operational advantages. 

MiWireless 350

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The MIWireless 350 provides a platform based comprehensive selection of communication hardware and power supply systems, optimized to integrate with the Honeywell Mercury precision measurement instruments. The MiWireless 350 platform leverages the latest innovations in battery operated instruments.


The MiWireless 350 products can be used as : 

• Pressure Monitor in the gas transmission and distribution lines. 

• Electronic Volume Correction in demanding custody transfer applications, 

• Communication assemblies in Hazardous locations, 

• Power assemblies for remote equipment

Masterlink Software: Gas Metering Made Smarter

MasterLink provides a single software package to configure, calibrate and access data from gas volume correctors. The software’s intuitive dashboard enables users to quickly determine the overall health status of instruments. Employing standardized terminology, it makes it easy to configure and calibrate instruments, import data, and generate reports and graphs, thereby eliminating time-consuming manual effort. ​


The latest version of MasterLink software addresses the increasing adoption of mobile devices for functions such as checking the health of field devices, downloading reports, instrument calibration, and other activities once performed exclusively on a laptop. Honeywell’s value-added services have transformed the MasterLink software from simply a configuration and calibration tool to a robust collaboration solution driving increased productivity throughout the user’s instrumentation maintenance department. 

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Elster Rotary Gas Meter

Elster® Rotary Gas Meters offer robust and accurate measurement instruments for gas distribution companies. Based on proven technology and bundled with advanced features to meet tomorrow’s requirement, Elster gas meters provide exceptional performance and reliability with features like high maximum operating pressure, low pressure drop, and wide rangeability.

Time Proven Results

Mini-AT Volume Corrector

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An electronic gas volume corrector for mounting on rotary, turbine and diaphragm meters

Mini-Max Volume Corrector

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A corrector for basic volume measurement and correction

Mini-Max Rotary Corrector

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A Mini-Max electronic gas volume corrector for direct mounting on various rotary meters.

TCI - Electronic Temperature Compensating Index

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An exceptionally accurate index and an ideal replacement for mechanical TC indexes. ​The TCI is the most advanced electronic temperature compensating index available for natural gas rotary meters. This rugged, reliable and exceptionally accurate index is an ideal replacement for mechanical indexes. Honeywell also pre-installs AMR modules of users’ choice to reduce costs and improve reliability.

Chart Recorders (Pressure, Temperature, or Volume)

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Pressure: 8-inch chart recorders and 12-inch chart recorders for pressure ranges from 0-10 inches of water to 0-5,000 pounds per square inch gauge. Vacuums to 30 inches of mercury are also available.


Volume:  8-inch and 12-inch meter-driven chart recorders for installation on large volume diaphragm, rotary and turbine meters. The major feature of these recorders is the volume oriented chart. Volume recorders are available with wall, flush, portable or pipe stand mounting.


Temperature: 8-inch and 12-inch chart recorders for temperature range spans of 100 F (55°C) up to 1,000 F (550°C), and lower limit of -30 F (-34°C). One- and two-pen recorders are available in both the 8-inch and 12-inch size, calibrated to either English or metric units. 

CNI4

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The CNI4 is a 4G/LTE, battery-operated, easy to configure dual-channel pulse data logger designed to support most commercial & Industrial (C&I) smart metering/automatic meter reading (AMR) analog modem-based applications.


With this advanced cellular pulse data logger, both input channels and stored consumptions can be independently scaled to different units of measure, providing maximum value and flexibility. 


The CNI4 Pulse Data Logger is designed for low-power and outdoor operation. It is ideal for call-In applications involving meter data management (MDM) and can directly connect to PowerSpring or couple with the InvisiConnect software to interface with third-party MDM systems.