
T300 Multi-functional On-site Inspection & Anti-tampering Instrument
This product is designed for error detection, wiring inspection, and anti-tampering audits of single-phase and three-phase energy meters and metering systems. An optional wireless high-voltage current clamp is available to perform inspections on field high-voltage metering systems of 35kV and below. The Instrument utilizes a split-unit design, enabling wireless measurement of electrical parameters, which effectively enhances operator safety.
Product Functions
- Comprehensive Parameter Measurement: Measures voltage, current, power (P, Q, S), phase angle, frequency, and power factor.
- Power Quality Analysis: Features 64th harmonic measurement and displays 6-channel waveforms to analyze line power quality.
- Error Verification: Calibrates basic errors of single/three-phase meters. With configurable transformer ratios, it performs total error verification for metering systems.
- Register Verification: Includes a constant check function for meter pulses.
- Anti-Tampering Audit: Supports infrared and RS485 communication to read real-time meter data and analyze fraudulent power usage behavior.
- Phase Identification & Wiring Analysis: When configured with wireless clamps or wireless samplers, it performs phase verification tests. It supports manual or automatic detection of incorrect wiring and generates vector diagrams.
- CT Ratio Test: Measures high/low voltage CT ratios and phase displacement (angle error).
Product Features
- Low-Current Detection: Capable of performing wiring inspections even at a minimum current of 5mA.
- Multimedia Evidence Collection: Supports on-site photography, audio recording, video recording, and barcode scanning to minimize disputes with utility customers.
- Auto-Clamp Identification: Automatically recognizes clamp types without manual range switching, preventing human error.
- Man-Machine Separation: Controlled via a tablet, allowing for dual-screen display and physical separation from the high-voltage source to ensure safety. Supports simultaneous connection of multiple tablets.
- Management Software: Includes PC management software for uploading, downloading, and printing field data, providing valid evidence for audits.
- Flexible Current Clamps: Optional Rogowski coils (flexible clamps) for current measurement in narrow spaces like busbar compartments.
- Wireless Integration: Supports the integration of wireless clamps for remote measurement.
Technical Specifications
- Voltage Measurement: Range: 6V to 576V; Rated: 480V; Accuracy: Class 0.5.
- Current Clamp Measurement: Standard 5A (Class 0.5); Optional 100A, 500A, 1000A.
- Power/Energy Accuracy: Active & Apparent: 0.5%; Reactive: 1%.
- Power Supply: AC 40V to 450V, 50/60Hz (Customizable for local power standards).
- Power Input: Direct line power or AC adapter (Optional battery power available).
- Dimensions: ≤170mm×125mm×64mm.
- Main Unit Weight: ≤0.72kg.
Standard Delivery Package
| No. | Item | Specification | Quantity | |
|---|---|---|---|---|
| 1 | Main Unit | T300A Main Unit | 1 Set | |
| 2 | Tablet Computer | 8-inch, 4GB+ RAM, 64GB+ Storage, WiFi | 1 Unit | |
| 3 | Clamp Meter Module | 5A Wired Clamp Meters (Standard, 3 units) | 1 Set | |
| 5A Wireless Clamp Meter | Optional | |||
| 50A/100A/500A Clamp Meter (Wired or Wireless) | ||||
| 500A Wireless High-Voltage Clamp Meter | ||||
| 2000A Flexible Current Clamp Meter | ||||
| 4 | Power Adapter | T300A Power Adapter | 1 Set | |
| 5 | Accessories | Test leads (V/I), Comm cable, Pulse cable, Optical sampler | 1 Set | |
| 6 | Documentation | Packing list, Certificate, Manual, Test report, Warranty card | 1 Set | |
Function Configuration List
| Function | Tablet Computer | Main Unit | Voltage Leads | Current Clamp Meter | ||||
|---|---|---|---|---|---|---|---|---|
| 5A | 50A | 100A | 500A | HV Clamp | ||||
| Standard Electrical Parameter Measurement | ● | ● | ● | ● | ○ | ○ | ○ | ○ |
| Vector Diagram Display | ● | ● | ● | ● | ○ | ○ | ○ | ○ |
| Harmonic Measurement & Waveform Display | ● | ● | ● | ● | ○ | ○ | ○ | ○ |
| Error Verification | ● | ● | ● | ● | ○ | ○ | ○ | ○ |
| Metering Installation Error Verification | ● | ● | ● | ○ | ○ | ○ | ○ | |
| Wiring Error Analysis | ● | ● | ● | ● | ○ | ○ | ○ | ○ |
| Dial Test Error (Energy Check) | ● | ● | ● | ● | ○ | ○ | ○ | ○ |
| CT Ratio | ● | ● | ● | ● | ○ | ○ | ● | ○ |
| CT Secondary Burden | ● | ● | ● | ● | ||||
| PT Secondary Burden | ● | ● | ● | ● | ||||
| Phase Identification | ● | ● | ● | ● | ● | |||
| Evidence Collection (Forensics) | ● | |||||||
| Notes: ● indicates Standard accessories. ○ indicates Optional accessories. |
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