

Conventional Electric Metering
Dependable measurement for every service configuration.
Electronic and electromechanical metering selected through service, form, class, accuracy, installation and utility requirements.

Understand the system
Understanding Conventional Electric Metering
Conventional metering provides reliable revenue measurement without requiring a complete AMI communications stack. The correct meter is determined by the electrical service, socket or enclosure, current range, accuracy class, utility practice, test requirements and applicable approvals.
The meter can be accurate and the bill can still be wrong.
Service configuration, enclosure, transformer ratios, programming, testing and the billing multiplier must describe the same installation.



The revenue chain, drawn
Two ways to meter a service. One bill at the end.
Smaller services carry the load current straight through the meter. Larger services scale it down through current and voltage transformers first, and the billing multiplier must match the ratio actually installed. Every link in the chain is a place where an accurate meter can still produce the wrong bill.
01Service conductors

02CT/PT if used
03Test block / socket

04Meter elements
05Seal + serial record
06Billing multiplier
07Customer bill
Conceptual chain. Exact forms, diagrams and requirements depend on the utility and service.
Study the revenue chain in the AcademyCONVENTIONAL METERING VALUE · TWO PERSPECTIVES
Defensible revenue measurement. Fewer avoidable field mismatches.
Conventional metering remains valuable when the complete service, measurement interface, acceptance evidence and operating record are controlled, not merely the meter model.
01FOR THE UTILITY OR METERING TEAM
- 01
Service-specific measurement
Voltage, phase, wire, form and current class can be matched to the actual connection.
What makes it trueRequires a controlled service schedule and approved wiring basis. - 02
Testable acceptance
Accuracy, configuration and physical acceptance can be checked before field release.
What makes it trueRequires current specifications, samples, test methods and acceptance authority. - 03
Stronger revenue traceability
Serial, seal, test, installation and reading records can support a more accountable revenue chain.
What makes it trueRequires disciplined asset and field-record governance. - 04
Controlled replacement planning
Programs can distinguish exact fit from superficially similar equipment.
What makes it trueRequires service records, socket or enclosure verification and approved substitutions.
02FOR THE ACCOUNT HOLDER OR FACILITY
- 01
Measurement suited to the service
The installed meter can be selected for the actual electrical configuration and expected duty.
What makes it trueFinal compatibility must be confirmed by the responsible utility or engineer. - 02
More explainable field work
Controlled test, seal and replacement records can make meter interventions easier to trace.
What makes it trueDepends on the utility’s record and customer-communication process. - 03
Fewer configuration surprises
Checking the complete interface before installation can reduce avoidable fit and wiring problems.
What makes it trueRequires site verification rather than appearance-based selection. - 04
A stable foundation for future programs
Reliable conventional measurement can remain useful whether or not communications are later added.
What makes it trueFuture functionality depends on the selected platform and utility plan.
System architecture
See the system move.
Follow the journey from physical equipment to the decision a customer or operator can act on.
- 01 · System layer
Capture
The service configuration establishes voltage, phase, wire and current requirements.
- 02 · Product photograph

Connect
The socket, enclosure and instrument-transformer arrangement define the physical interface.
- 03 · Product photograph

Understand
The meter measures energy and supported demand, event or tamper data.
- 04 · System layer
Act
Testing, sealing, reading and revenue-protection procedures complete the operating system.
Conventional revenue-metering architecture
Accurate billing starts with the complete service arrangement, not the meter name alone.
01SERVICE + SOCKETPHYSICAL INPUT
02REVENUE METERCONTROL POINT 1Utility service
Voltage, phase, wire arrangement and current establish the service configuration the revenue-meter installation must match.
- 01Voltage & phase
- 02Wire configuration
- 03Current range
Field realitybecomesOperational action

System to real world
See what changes when the architecture begins operating.
- 01Configure
Service and meter form are matched
- 02Measure
Revenue energy is recorded
- 03Control
Testing, sealing and billing close the chain
This visual explains system behavior. Final performance depends on approved design, field conditions, configuration and operating discipline.
Metro Power visual explainer
Watch the operating idea take shape.
Use this short film as orientation, then continue into the system architecture, technical lesson or readiness action.
The complete measurement chain
Connect service, form, meter, instrument transformers, installation and evidence into one configuration.
The Metro Power solution
Technology, made deployable here.
We close the gaps between the manufacturer’s product, Philippine site conditions and the people who must operate the system.
- 01Service and meter-form confirmation
- 02Terms of reference (TOR) and specification review
- 03Sample, test and approval coordination
- 04Socket, enclosure and accessory matching
- 05Supply, allocation and delivery control
- The manufacturer’s productPublished ratings, documents and factory tests

- Matched to the siteRatings, frequency, climate and approvals checked against the published product
- Philippine site conditions60 Hz service, meter form, climate and approvals
- Prepared to operateDelivery, commissioning and permits coordinated, and the operating team trained
- The team that operates itHandover records, training and continuing support
Metro Power closes the two gaps marked on the line.
Complete decision path
From first question to accepted operation.
A solution is complete only when technical behavior, project evidence and operating ownership remain connected.
- 01 · Configure
What service, form, class and current arrangement apply?
Approved service and technical schedule
- 02 · Qualify
Is the exact product supported by current approval and tests?
Model-specific Energy Regulatory Commission (ERC), factory and utility records
- 03 · Install
Do meter, CT/PT, wiring, multiplier and seals agree?
Commissioning and identity reconciliation
- 04 · Maintain
Can accuracy, asset identity and revenue records be sustained?
In-service tests, seal history, exceptions and controlled removal
Failure modes to control
Similar model substituted
Match approval and test evidence to the exact identity.
Accuracy class treated as installed accuracy
Control CT/PT, burden, wiring, constants and environment.
Field and billing records diverge
Reconcile serial, account, ratios, multiplier and location.
Acceptance evidence
- 01Exact type and configuration approval
- 02Meter and instrument-transformer evidence
- 03Installation and seal record
- 04End-to-end billing reconciliation
- 05In-service maintenance plan
Possible equipment paths
See what may fit, then verify it.
These are starting points for discussion, not automatic recommendations. Use the plain-language clues below to understand where each option may fit and what Metro Power still needs to confirm.
- 1Recognize the possible useCheck whether it sounds like your site or operating need.
- 2See what is knownThe evidence label tells you how mature the available information is.
- 3Open the next checkWe explain the project details needed before selection.
- Initial product information
- Useful product information is available for early review. Final technical evidence follows requirement confirmation.
- Project details needed
- The correct equipment depends on your approved drawings, ratings and installation conditions.

Single-phase electronic meter
TA73 Series
Evidence: Initial product informationCurrent product image
Compact single-phase meter for conventional services read on site, with anti-tamper features and optical or configured interfaces.
- Single-phase electronic measurement
- Compact enclosure
3 more Conventional Electric Metering products

Three-phase electronic meter
TC78 Series
Evidence: Initial product informationProduct reference image
Three-phase electronic meter for direct-connected utility and commercial services, with tamper indication and ultrasonic sealing.
- Three-phase electronic measurement
- Tamper indication

ANSI round smart meter
NA67 Series
Evidence: Initial product informationProduct reference image
Round meter for utilities that use ANSI socket services, with a choice of accuracy class and an internal relay by configuration.
- ANSI round form factor
- Multiple accuracy options stated

Metering accessories
Project-configured
Evidence: Project details neededProduct reference image
Sockets, bases, boxes and accessories matched to the approved installation.
- Service and form matching
- Enclosure and sealing review
Exact conventional-meter configuration, approvals, test evidence and accessory compatibility must be confirmed against the utility’s current controlling specification.
Turn learning into a decision
What your team should be able to decide next.
Move from a familiar meter name to an exact, testable and compatible revenue-meter configuration.
01Utility planning
What service must be measured?
Voltage, phase, wire, current, form and account type establish the meter family.
Define the service configuration02Engineering
Will every interface match?
Socket, enclosure, terminals, CT or PT ratios, burden, accuracy and sealing must align.
Prepare the technical schedule03Procurement
What evidence controls acceptance?
Approved specification, samples, tests, certificates, programming and delivery allocation must be traceable.
Submit the current specification04Metering operations
Can it enter the revenue process?
Reading, testing, sealing, installation, maintenance and revenue-protection procedures complete readiness.
Confirm operating acceptance
Where it may fit
Does one of these sound like your need?
You do not need to choose equipment yet. If one of these situations sounds familiar, Metro Power can help define the correct starting point.
- Residential revenue metering
- Commercial and industrial accounts
- New service connections
- Meter replacement programs
- Loss-control programs
- Non-AMI utility deployments
Prepare without the guesswork
Bring what you have. We’ll help with what is missing.
These inputs help us understand the project. They are not entry requirements, and you do not need every item before contacting us.
- 01
Service voltage, frequency, phase and wire
Voltage, phase and wiring identify the basic electrical service the meter must measure.
- 02
Meter form, class and current
Form, current range and class determine electrical and physical compatibility.
- 03
Socket or enclosure standard
The mounting and enclosure must physically fit the approved service arrangement.
- 04
Accuracy and test requirements
Accuracy and acceptance tests determine which documented meter configuration can be considered.
- 05
Required approvals and certificates
Certificates and approvals must match the exact model and intended use, not only the product family.
- 06
Quantity, delivery and allocation schedule
Quantity and required date affect allocation, production, testing and delivery planning.
Your next decision
Which service must this meter fit?
The meter, enclosure, any measuring transformers, test evidence and billing record must agree. Bring the service information or current specification you have; Metro Power can help identify what still needs confirmation.