Meter Qualification Board 1 (MQB1), Series-Parallel Meter Qualification Board for High-Throughput Functional Testing
The TESCO MQB1 Meter Qualification Board is a series-parallel, multi-position system designed for high-throughput functional validation of electric meters.
Built for meter shop environments, the MQB1 enables utilities to verify meter operation, communications, firmware, and disconnect functionality across multiple meters simultaneously, without requiring revenue-grade accuracy testing.
What is a Series-Parallel Meter Qualification Board?
A series-parallel meter qualification board applies single-phase voltage across all stabs with series current across phases, allowing multiple meters to be tested at the same time.
This enables utilities to:
- Increase testing throughput
- Standardize functional validation processes
- Validate meter performance before deployment
Description
Key Features and Capabilities
- High-Throughput Functional Validation
- Multi-position testing for multiple meters simultaneously
- Designed for meter shop efficiency and workflow optimization
- Ideal for validating large volumes of AMI meters
Series-Parallel Testing Architecture
- Single-phase voltage applied across all stabs
- Series current across phases for multi-position testing
- Optimized for throughput rather than phase-specific simulation
- Functional Meter Testing
- Verifies meter operation and behavior
- Confirms firmware versions and configuration settings
- Ensures alarms and error conditions clear properly
Communications & AMI Validation
- Tests meter communications performance
- Verifies communication functionality and settings
- Supports AMI meter qualification workflows
Disconnect & Control Testing
- Standard disconnect/reconnect testing
- Confirms remote disconnect operation and state
Waveform & Load Simulation
- Digital waveform generator with ANSI C12.20 waveforms
- Supports load variation and functional simulation
Flexible System Configuration
- Multi-position, rack-based system
- Independent or bank control of socket positions
- Expandable configurations to match throughput requirements
Applications
The MQB1 is ideal for:
- High-volume AMI meter qualification
- Meter shop functional validation workflows
- Firmware and configuration verification at scale
- Communications testing across multiple meters
- Disconnect and operational testing prior to deployment
What Makes the MQB1 Different
The MQB1 is designed for utilities that need to validate large numbers of meters quickly and consistently.
By combining:
- Series-parallel architecture
- Multi-position testing
- Functional validation capabilities
The MQB1 enables utilities to increase throughput while maintaining confidence in meter performance and readiness.
MQB vs. MQB1 vs. MQB3
| Feature | MQB | MQB1 | MQB3 |
|---|---|---|---|
| Testing Type | Functional (Phase A only) | Series-parallel functional | True three-phase functional |
| Current Application | Phase A only | Series across phases | Independent per phase |
| Voltage Application | Applied to meter | Single phase across stabs | True three-phase |
| Throughput | Moderate | High | Moderate |
| Complexity | Low | Medium | High |
| Best Use | Basic validation | High-volume validation | Advanced validation |
Technical Overview
- Voltage Drive: 60–480V RMS
- Current Drive: 0.001A to 50A (up to 320A optional)
- Voltage Accuracy: ±1.0%
- Current Accuracy: ±1.0%
- Frequency Range: 45–65 Hz
- Ethernet connectivity and integrated control interface
Contact TESCO to configure an MQB1 system that supports your high-volume meter qualification and validation workflows.
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Disclaimer:
TESCO Metering reserves the right to modify product designs, specifications, features, and documentation at any time as part of our continuous improvement process. All information is provided “as is” and may change without prior notice. While TESCO® strives for accuracy, completeness, and technical reliability, customers should verify the latest product details before making purchasing or engineering decisions. For confirmation of current specifications or application suitability, please contact TESCO® directly.