| Portable Wh Meter Tester
Three-Phase and Single-Phase Wireless High-Accuracy Field Tester
Safe and fast results, no “strings” attached…
The latest generation of portable meter testers with built-in Wi-Fi technology provides precise data measurement. Our wireless socket-type device, with its dead-front design, attaches quickly and securely to the meter base.
- Powered by a built-in 3-phase phantom load of synthesized 50 A current and an integrated, highly precise watthour standard
- 3-phase reference standard at 0.02% accuracy
- NIST-traceable
- Autodetects various meter forms
- Control the MT-1/WT3 wireless meter tester with the Probewell Connect 2.0 app via the built-in private WiFi network
SKU: WT3
Big technological leaps come in small packages…
Weight: 6.4 lb. | Size: 6.9″ X 6.7″
MT-1/WT3 | Description
Easily acquire accurate measurements wirelessly
Like all our wireless products, the meter tester can be paired with a mobile device in seconds by scanning its QR code, when using Probewell Connect 2.0.
Highly Compatible
You can test residential, commercial and industrial single and three-phase meters. Easily configurable with twist & lock removable tabs, you will be able to test both solid state and electromechanical meters.
Single-phase: 1S, 2S, 3S, 4S, 12S(N) and 25S
Three-phase: 6S, 8S, 9S, 12S, 14S, 15S, 16S, 36S, 46S and Fitzall™
Class: 10, 20, 100, 200, 320**
Compatible Forms Supported by the MT-1/WT3 meter tester
Meter Form |
1S |
2S |
3S |
4S |
5S |
6S |
8S |
9S |
12S |
14S |
15S |
16S |
Aclara® Fitzall ™ |
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35S |
36S |
25S |
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45S |
46S |
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Meter Tester |
Self-Contained |
CT-Rated |
Self-Contained |
CT-Rated |
Self-Contained |
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Available tests
KYZ Test
Portable Wh Meter Tester
Three-phase and Single-phase Wireless High-Accuracy Field tester
Big technological leaps
come in small packages…
Weight: 6.4 lb. | Size: 6.9″ X 6.7″
Safe and fast results, no “strings” attached…
The latest generation of portable meter testers with built-in Wi-Fi technology provides precise data measurement. Our wireless socket-type device, with its dead-front design, attaches quickly and securely to the meter base.
- Powered by a built-in 3-phase phantom load of synthesized 50 A current and an integrated, highly precise watthour standard
- 3-phase reference standard at 0.02% accuracy
- NIST-traceable
- Autodetects various meter forms
- Control the MT-1/WT3 wireless meter tester with the Probewell Connect 2.0 app via the built-in private WiFi network
SKU: WT3
MT-1/WT3 | Description
Easily acquire accurate measurements wirelessly
Like all our wireless products, the meter tester can be paired with a mobile device in seconds by scanning its QR code, when using Probewell Connect 2.0.
Available tests
KYZ Test
Compatible Forms Supported by the MT-1/WT3 meter tester
You can test residential, commercial and industrial single and three-phase meters. Easily configurable with twist & lock removable tabs, you will be able to test both solid state and electromechanical meters.
Single-phase: 1S, 2S, 3S, 4S, 12S(N) and 25S
Three-phase: 6S, 8S, 9S, 12S, 14S, 15S, 16S, 36S, 46S and Fitzall™
Class: 10, 20, 100, 200, 320**
MT-1/WT3 | Technical Specifications
COMPATIBLE METERS | |
Single-Phase | 1S, 2S, 3S*, 4S, 12S(N) and 25S |
Three-Phase | 6S, 8S, 9S, 12S, 14S, 15S, 16S, 36S, 46S and Fitzall™ |
Class | 10, 20, 100, 200, 320** |
COMPATIBLE DEVICES | |
Operating systems | IOS®, Android®, Windows® |
TEST SOCKET | |
Input Voltage | 100 – 600VAC |
Line Frequency | 58 – 62Hz |
Power Consumption | 75VA (maximum) |
Circuit Breakers | 2 x 1A (press-to-reset mechanism) |
CURRENT SYNTHESIZERS | |
Adjustable Current | 0.25 to 50A |
Phase Angle (Wh) | Unity and 60° Lag |
Phase Angle (VARh) | 90° and 30° Lag |
INTERNAL 3-PHASE WATTHOUR STANDARD | |
Typical Accuracy | ±0.02% |
Guaranteed Accuracy | ±0.05% |
ENVIRONMENT | |
Operation Temperature | -4° to 140°F (-20° to 60°C) |
Storage Temperature | -4° to 140°F (-20° to 60°C) |
Humidity | 5% to 95% (non condensing) |
PHYSICAL DIMENSIONS | |
Test Socket (Diam. x L) | 6.9” x 7.7” |
WEIGHT | |
Test Socket | 6.4 lb |
WARRANTY | |
Parts and Labor | 2-years limited*** |
ADVANCED FEATURES | |
Wh/VARh | |
Reverse Flow Test for bidirectional meters | |
Line Monitor | |
KW Demand Test | |
Creep Test | |
INCLUDED | |
Carrying bag | Update cable |
User’s manual | Probewell Connect App. |
Quick Start Guide | 2 Removable Twist Tabs |
Calibration report |
*An adapter is required to verify 3S Sensus Meter.
**An adapter may be required depending on the meter installation.
***Only applicable to units shipped to Canada or USA. 1-year warranty for other countries.