volume converters
EC250 Gas Volume Corrector
A flexible, direct-mount PTZ gas volume corrector for rotary meter installations—built to improve billing confidence, simplify field work, and keep operations connected.
Please sign in to access more documents
Once signed in, you may be able to access additional documents for your account.
By combining a compact footprint, universal compatibility with leading rotary meters, and secure connectivity options, the EC250 helps operators protect revenue and reduce lost or unaccounted for gas. At the same time, it simplifies installation, commissioning, and ongoing maintenance—so teams can spend less time in the field and more time focused on safer and efficient network operation.
Key Benefits
- Accurate, Reliable Volume Correction
- Universal Direct Mounting
- Built-In Meter Health Monitoring
- 24/7 Connectivity
- Cybersecurity by Design
Who It’s For
- Commercial and industrial metering stations
- Gas distribution networks
- Custody transfer and billing applications
- Sites requiring compact, direct-mounted volume correction
- Operators seeking remote visibility and reduced site visits
- Gas Distribution Billing & Custody Transfer
- Commercial & Industrial Metering Stations
- Rotary Meter Health Monitoring
- Remote Monitoring & Automated Data Collection
- Standardization Across Mixed Rotary Meter Fleets
Certifications and Compliance
- CSA and IECEx hazardous location approvals (pending)
- Class I, Div. 1 / Zone 0 and Class I, Div. 2 / Zone 2 ratings (pending)
- Designed to support regulatory and custody transfer requirements
- (Metrological approvals pending)
Honeywell brings decades of experience in gas measurement and control, delivering solutions trusted by utilities and operators worldwide. The EC250 reflects Honeywell’s commitment to accuracy, cybersecurity, and future ready‑connectivity—helping customers protect revenue, improve operational efficiency, and maintain compliance in an evolving energy landscape.
I/O Capabilities
- Inputs
- Redundant high frequency Wiegand sensor input
- Compatible Meter Types
- Dresser LMMA and B3
- Elster RABO
- Romet RM and RMT
- Mounting Options
- Integrated Rotary mount for leading brand rotary gas meters
- Outputs
- 4 Digital outputs (volume pulse + alarm), AMR-Ready and compatible with Itron, Aclara & Sensus AMR Devices
Environmental Conditions
- Ambient Temperature Effects
- -40 to 149 deg F (-40 to 65 deg C)
- Temperature Sensors
- RTD Temperature Sensor
- Long Term Stability
- Long-term drift - Pressure
- Pressure Range = 15 PSI +/- 0.67% of full scale over 10 years
- Pressure Range > 30PSI +/- 0.4% of full scale over 10 years
- Compressibility
- Corrected volume calculation according to AGA-8 Gross (Methods 1&2) & AGA8 Detail, and NX-19
- Battery Life
- Alkaline receptacle: up to 5 years
- Lithium batteries: up to 15 years
- Battery
- Alkaline, Lithium
Communication & Protocols
- Communication Protocols
- Mercury Instruments
- Communication
- Optional class I Div. 1 cellular radio modem CloudLink 5G
Standards & Certifications
- Metrological Approvals
- Measurement Canada (pending)
- Explosion Protection
- Ambient Temperature: -40 to +65 deg C
- CSA IECx (in progress)
- Class I, Zone 0 AEx ia IIB T4 Ga
- Class I, Zone 2 AEx ic IIB Gc
- Intrinsically Safe, Class I, Division 1 Groups B, C, D T4
Software & Interface
- Configuration Software
- MasterLink
- Display
- Multi-line Display with Single push button operation
Processing & Performance Metrics
- Temperature Accuracy
- Maximum error at reference conditions: ±0.1% of reading
- Pressure Accuracy
- Maximum error at reference conditions: ±0.04% of full scale
- Accuracy
- Maximum error over the full temperature range -40 to 149 deg F (-40to 65 deg C) Including linearity, repeatability, and hysteresis - Pressure: 0.1% of full scale - Temperature: ±0.1% of reading
Functional & Control Features
- Integrated Sensors
- Optional differential pressure transmitter for rotary meter health insight
- Remote Upgrade
- via Firmware-over-the-air (FOTA)
- Audit Trail
- Single, configurable and flexible audit trail with up to 10 items with configurable interval: 1,5,10,15,30 minutes, hourly, daily, monthly, Year plus capacity hourly logging
Electrical Specifications
- Power Supply
- Battery powered
- No external power supply
Applications & Compatibility
- Applications
- Commercial and Industrial Gas Distribution
- Custody transfer Measurements
- Supports AMR (Automatic Meter Reading) connections
I/O Capabilities
- Inputs
- Redundant high frequency Wiegand sensor input
- Compatible Meter Types
- Dresser LMMA and B3
- Elster RABO
- Romet RM and RMT
- Mounting Options
- Integrated Rotary mount for leading brand rotary gas meters
- Outputs
- 4 Digital outputs (volume pulse + alarm), AMR-Ready and compatible with Itron, Aclara & Sensus AMR Devices
Environmental Conditions
- Ambient Temperature Effects
- -40 to 149 deg F (-40 to 65 deg C)
- Temperature Sensors
- RTD Temperature Sensor
- Long Term Stability
- Long-term drift - Pressure
- Pressure Range = 15 PSI +/- 0.67% of full scale over 10 years
- Pressure Range > 30PSI +/- 0.4% of full scale over 10 years
- Compressibility
- Corrected volume calculation according to AGA-8 Gross (Methods 1&2) & AGA8 Detail, and NX-19
- Battery Life
- Alkaline receptacle: up to 5 years
- Lithium batteries: up to 15 years
- Battery
- Alkaline, Lithium
Communication & Protocols
- Communication Protocols
- Mercury Instruments
- Communication
- Optional class I Div. 1 cellular radio modem CloudLink 5G
Standards & Certifications
- Metrological Approvals
- Measurement Canada (pending)
- Explosion Protection
- Ambient Temperature: -40 to +65 deg C
- CSA IECx (in progress)
- Class I, Zone 0 AEx ia IIB T4 Ga
- Class I, Zone 2 AEx ic IIB Gc
- Intrinsically Safe, Class I, Division 1 Groups B, C, D T4
Software & Interface
- Configuration Software
- MasterLink
- Display
- Multi-line Display with Single push button operation
Processing & Performance Metrics
- Temperature Accuracy
- Maximum error at reference conditions: ±0.1% of reading
- Pressure Accuracy
- Maximum error at reference conditions: ±0.04% of full scale
- Accuracy
- Maximum error over the full temperature range -40 to 149 deg F (-40to 65 deg C) Including linearity, repeatability, and hysteresis - Pressure: 0.1% of full scale - Temperature: ±0.1% of reading
Functional & Control Features
- Integrated Sensors
- Optional differential pressure transmitter for rotary meter health insight
- Remote Upgrade
- via Firmware-over-the-air (FOTA)
- Audit Trail
- Single, configurable and flexible audit trail with up to 10 items with configurable interval: 1,5,10,15,30 minutes, hourly, daily, monthly, Year plus capacity hourly logging
Electrical Specifications
- Power Supply
- Battery powered
- No external power supply
Applications & Compatibility
- Applications
- Commercial and Industrial Gas Distribution
- Custody transfer Measurements
- Supports AMR (Automatic Meter Reading) connections
- Inputs : Redundant high frequency Wiegand sensor input
- Ambient Temperature Effects : -40 to 149 deg F (-40 to 65 deg C)
- Communication Protocols : Mercury Instruments
- Metrological Approvals : Measurement Canada (pending)
- Configuration Software : MasterLink
- Compatible Meter Types : Dresser LMMA and B3|Elster RABO|Romet RM and RMT
- Temperature Accuracy : Maximum error at reference conditions: ±0.1% of reading
- Explosion Protection : Ambient Temperature: -40 to +65 deg C|CSA IECx (in progress)|Class I, Zone 0 AEx ia IIB T4 Ga|Class I, Zone 2 AEx ic IIB Gc|Intrinsically Safe, Class I, Division 1 Groups B, C, D T4
- Temperature Sensors : RTD Temperature Sensor
- Long Term Stability : Long-term drift - Pressure|Pressure Range = 15 PSI +/- 0.67% of full scale over 10 years|Pressure Range > 30PSI +/- 0.4% of full scale over 10 years
- Integrated Sensors : Optional differential pressure transmitter for rotary meter health insight
- Pressure Accuracy : Maximum error at reference conditions: ±0.04% of full scale
- Mounting Options : Integrated Rotary mount for leading brand rotary gas meters
- Compressibility : Corrected volume calculation according to AGA-8 Gross (Methods 1&2) & AGA8 Detail, and NX-19
- Remote Upgrade : via Firmware-over-the-air (FOTA)
- Communication : Optional class I Div. 1 cellular radio modem CloudLink 5G
- Power Supply : Battery powered|No external power supply
- Battery Life : Alkaline receptacle: up to 5 years|Lithium batteries: up to 15 years
- Applications : Commercial and Industrial Gas Distribution|Custody transfer Measurements|Supports AMR (Automatic Meter Reading) connections
- Audit Trail : Single, configurable and flexible audit trail with up to 10 items with configurable interval: 1,5,10,15,30 minutes, hourly, daily, monthly, Year plus capacity hourly logging
- Accuracy : Maximum error over the full temperature range -40 to 149 deg F (-40to 65 deg C) Including linearity, repeatability, and hysteresis - Pressure: 0.1% of full scale - Temperature: ±0.1% of reading
- Outputs : 4 Digital outputs (volume pulse + alarm), AMR-Ready and compatible with Itron, Aclara & Sensus AMR Devices
- Display : Multi-line Display with Single push button operation
- Battery : Alkaline, Lithium
Please sign in to view part numbers available for purchase based on your account Sign In