UNI-T UT267B Intelligent 3 Phase Voltammeter
The UNI-T UT267B Intelligent 3 Phase Voltammeter is a modern, digital measuring instrument specifically designed for the efficient and safe analysis of three-phase electrical systems. Built with robust materials and insulated protection, it ensures safety and durability during field use. This meter allows for direct measurement without the need to disconnect the power, making it ideal for real-time diagnostics. With its ability to measure voltage, current, frequency, and phase angles, the UT267B supports comprehensive monitoring of electrical parameters in complex systems. The UNI-T UT267B also calculates active, reactive, and apparent power, as well as the power factor and current vector sum, offering a complete overview of energy flow and system behavior.
Its user-friendly LCD display presents readings clearly, along with vector diagrams that visualize phase relationships. Data storage capability and RS232 interface enable users to log, review, and analyze up to 500 sets of data on a computer for reporting and further evaluation. The meter is commonly used in power distribution checks, relay protection systems, transformer monitoring, and wiring validation tasks. Thanks to its compact design, intuitive interface, and reliable performance.
The UNI-T UT267B is widely adopted by electricians, maintenance engineers, and power utility technicians for routine inspection and troubleshooting in industrial and commercial environments.
Features:
- Automatic range selection (auto range).
- Simultaneous 3-phase measurement.
- Vector diagram display on LCD.
- 240×160 dot LCD display with backlight.
- Data hold function.
- Auto power off (after ~15 minutes of inactivity).
- Low battery indication.
- Sampling rate: 0.5 times per second.
- RS232 interface for PC connectivity and data transmission.
- Data storage capacity for up to 500 sets.
- Compact and lightweight design with anti-vibration insulation jacket.
Specifications:
| Category | Specification |
|---|---|
| Voltage Measurement: | AC 0.00 V ~ 600 V Resolution: 0.01 V Accuracy: ±(1.5% + 3 digits) |
| Current Measurement: | AC 0.0 mA ~ 20.0 A Resolution: 0.1 mA Accuracy: ±(1.5% + 3 digits) |
| Phase Angle: | 0.0° ~ 360.0° Resolution: 0.1° Accuracy: ±1° |
| Frequency: | 45.00 Hz ~ 65.00 Hz Resolution: 0.01 Hz Accuracy: ±(2% + 3 digits) |
| Active Power: | 0.0 W ~ 12 kW Resolution: 0.1 W Accuracy: ±(3% + 3 digits) |
| Reactive Power: | 0.0 VAR ~ 12 kVAR Resolution: 0.1 VAR Accuracy: ±(3% + 3 digits) |
| Apparent Power: | 0.0 VA ~ 12 kVA Resolution: 0.1 VA Accuracy: ±(3% + 3 digits) |
| Power Factor: | Range: -1 ~ +1 Resolution: 0.001 Accuracy: ±0.03 |
| Current Vector Sum: | 0 mA ~ 60.0 A Resolution: 1 mA |
| Clamp Size (Options): | Sharp clamp: 7.5 mm × 13 mm Round clamp: 35 mm × 40 mm |
| Display: | LCD, 240 × 160 dots, with backlight |
| Sampling Rate: | About 0.5 times per second |
| Data Storage: | 500 sets |
| Interface: | RS232 for data transfer to PC |
| Power Supply: | 6 × 1.5V AA alkaline batteries (LR6) |
| Battery Life: | Backlight ON: 10 hours Backlight OFF: 16 hours |
| Auto Power Off: | After 15 minutes of inactivity |
| Operating Temperature: | −10°C to 40°C Humidity: <80% RH |
| Storage Temperature: | −10°C to 60°C Humidity: <70% RH |
| Meter Dimensions: | 196 mm × 92 mm × 54 mm |
| Meter Weight: | 550 g (including batteries) |
| Safety Ratings: | IEC61010-1 CAT II 600V, CAT III 300V, IEC61010-031, IEC61326 |
Applications:
- Three-phase power measurement.
- Phase angle and sequence analysis.
- Transformer wiring verification.
- Inductive and capacitive circuit identification.
- Secondary circuit and bus differential protection testing.
- CT (Current Transformer) phase difference testing.
- Kilowatt-hour meter wiring check.
- Power distribution inspection.
- Relay protection and differential inspection.
- Startup testing and power transformation check.
- Electrical training and skill competitions.
Package Include:
- 1x Main Unit (Meter)
- 1x Gift Box
- 3x Current Clamps (three, exclusive to this meter)
- 1x System Software Disk
- 1x RS-232 Connection Cable (1.8 m)
- 4x Test Leads (4 leads: yellow, green, red, black)
- 6x Alkaline Batteries (AA 1.5 V, LR6)
- 1x User Manual, Warranty Card & Product Certificate
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