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The UNI-T UT18D is a two-pole voltage and continuity tester for checking AC/DC voltage up to 690V, circuit continuity, polarity and three-phase sequence. It features a large backlit LCD, IP65 protection and a CAT IV 600V safety rating for professional electrical installation and maintenance.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT18D |
| Tester Type | Two-pole voltage and continuity tester |
| AC/DC Voltage Range | 6V to 690V |
| LED Voltage Levels | 6V, 12V, 24V, 50V, 120V, 230V, 400V and 690V |
| LCD Voltage Accuracy | ±(1.5% + 5 digits) |
| Frequency Display Range | 40Hz to 400Hz |
| Frequency Accuracy | ±(3% + 5 digits) |
| Continuity Test Range | 0Ω to 100kΩ with audible and LED indication |
| Phase Sequence Test | Three-phase AC phase rotation indication |
| Single-Pole Voltage Detection | 100V to 690V AC, 50Hz to 400Hz |
| RCD Test | 230V, 50Hz to 400Hz |
| Polarity Detection | Positive and negative polarity indication |
| Voltage Indication | LED and LCD |
| Display | Backlit LCD, 73.5 × 35.5mm |
| Ranging | Automatic |
| Additional Functions | Self-test, silent mode, automatic standby, low-battery indication and overvoltage warning |
| Work Light | Integrated |
| Battery-Free Voltage Detection | No |
| Ingress Protection | IP65 |
| Safety Category | CAT III 690V / CAT IV 600V |
| Certifications | CE, UKCA and cETLus |
| Power Supply | 2 × 1.5V AAA batteries |
| Dimensions | 272 × 85 × 31mm |
| Net Weight | Approximately 280g |
