The SNC Phase Rotation Tester (P81000) measures phase rotation and confirms connections and installation in industrial applications and three-phase power sources such as generators, motors and compressors. SNC says it provides clear, reliable results. Shop the SNC Manufacturing category.
| Condition | LED display | Beep |
|---|---|---|
| Positive phase sequence | Four-phase lamps blink clockwise | Intermittent short beeps |
| Negative phase sequence | Four-phase lamps blink counterclockwise | Continuous long beep |
| Live voltage | L1/L2/L3 lit | n/a |
| Default phase or open circuit | L1/L2/L3 off | n/a |
| Spec | Value |
|---|---|
| Part number | P81000 |
| Power | 2 AA batteries |
| Live voltage range | AC 70 to 1000 V |
| Maximum measured voltage | AC 1000 V |
| Dielectric strength | 5.4 kVrms |
| Operating temperature | -10 to 50°C (14 to 122°F), below 80% RH |
| Storage temperature | -20 to 60°C (-4 to 140°F), below 90% RH |
| Clamp lead length | 1.96 ft (0.6 m) |
| Meter weight | 0.44 lb (200 g) with battery |
| Meter dimensions | 70 x 75 x 30 mm (2.75 x 2.95 x 1.18 in) |
| Safety ratings | EN 61010-1:2001, EN 61010-031:2002, pollution level 2, CAT 3 (600 V) |
Uses listed by SNC: detecting live wires, simple power checks, breakpoint location, DC line break detection, line maintenance, reading through sheaths, and three-phase rotation detection (normal phase, reverse phase and phase deficiency).
View the SNC data sheet and warranty on the manufacturer's page. For SNC's other utility testing tools, see the Personal Grounds Tester.
Live voltage AC 70 to 1000 V.
Wire diameters of 1.6 to 16 mm (0.06 to 0.63 in).
Negative phase sequence. Positive sequence gives intermittent short beeps.
Two AA batteries, with auto power off after 5 minutes of inactivity.
To order, contact Powertech Associates.
