UNI-T Three-Phase Clamp Voltammeter, 600 V, 20 A, RS-232 – UT267B
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The UNI-T UT267B measures three-phase AC voltage, current, power, frequency, power factor, phase angle and phase sequence, with ranges up to 600 V and 20 A per channel. Its three-clamp measurement system, graphical phase display and CAT II 600 V/CAT III 300 V rating make it suitable for electrical installation, distribution and maintenance work.
Key Features
- Three-Phase Measurement – Simultaneously measures three-phase voltage, current and phase relationships.
- Comprehensive Power Analysis – Measures active, reactive and apparent power up to 12 kW, 12 kVAR and 12 kVA.
- Phase Relationship Display – Shows U-U, U-I and I-I phase relationships on a 240 × 160-dot graphical LCD.
- Measurement Storage – Stores up to 99 groups of readings and supports RS-232 communication.
- Electrical Safety – Rated CAT II 600 V and CAT III 300 V for professional electrical testing.
Product Specifications
| Product Type | Three-Phase Clamp Voltammeter |
|---|---|
| Display | 240 × 160-dot LCD |
| Ranging | Auto Range |
| Data Storage | 99 Groups |
| Communication Interface | RS-232 |
| Additional Functions | Data Hold, LCD Backlight and Auto Power-Off |
| Auto Power-Off | Approximately 15 Minutes |
| Safety Rating | CAT II 600 V / CAT III 300 V |
| Certifications | CE, UKCA |
| Power Supply | 6 × 1.5 V AA/LR6 Batteries |
| Dimensions | 196 × 92 × 54 mm |
| Weight | Approximately 550 g |
Measurement Specifications
| Measurement | Range | Accuracy |
|---|---|---|
| AC Voltage | 0–600 V | ±(1.5% + 3) |
| AC Current | 0 mA–20 A per Channel | ±(1.5% + 3) |
| Current Vector Sum | 0 mA–60 A | — |
| Frequency | 45–65 Hz | ±(2% + 3) |
| Active Power | 0–12 kW | ±(3% + 3) |
| Reactive Power | 0–12 kVAR | ±(3% + 3) |
| Apparent Power | 0–12 kVA | ±(3% + 3) |
| Power Factor | −1 to +1 | ±0.03 |
| Phase Angle | 0–360° | ±1° |
| Phase Sequence | Forward or Reverse | — |
Applications
- Three-phase electrical installation and maintenance
- Distribution panel and switchboard inspection
- Transformer wiring and phase-sequence verification
- Secondary and protection circuit testing
- Electrical training and equipment servicing
Included Components
- UNI-T UT267B Three-Phase Clamp Voltammeter
- Current Clamps × 3
- Yellow, Green, Red and Black Test Leads
- AA/LR6 Batteries × 6
- User Manual
- Toolbox
36-Month Product Warranty
Consumer purchases of this product include a 36-month PERIPLUS commercial product warranty from the date of delivery. This warranty is additional to, and does not limit, any mandatory statutory consumer rights.