Sonel P-4 is reliable, particularly durable and safe 2-pole testers, which enable testing voltage, circuit continuity and phase sequence. It has been designed for use in extreme conditions both in industry and commercial applications. Advanced technology, a high level of safety and user-friendliness are the key features of the P-line voltage testers.

Main functions and attributes of the P-line instruments:

  • automatic voltage test up to 1000 V AC/DC,
  • optical indication by a LED bar,
  • sound indication when dangerous voltage levels of 50 V AC and 120 V DC are exceeded,
  • RCD trip test with switchable load,
  • automatic continuity test upon connection to the object,
  • 2-pole test of phase rotation direction,
  • single-pole indication of 100 V presence,
  • robust, two-component housing protecting from mechanical damages and impacts,
  • integrated torch light for tests in poorly lit areas,
  • IP65 ingress protection guarantees protection against dust and water,
  • safety provided by measuring class compliant with CAT IV 600 V and CAT III 1000 V.


Available on backorder

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AC and DC voltage indication:

  • on the analog bargraph: 12, 24, 50, 120, 230, 400, ≥690 V,
  • determination of alternating voltage or direct voltage polarization.

Continuity test:

  • indication for resistance R ≤ 400 kΩ,
  • optical and acoustic indication.

Phase sequence test;

  • phase sequence indication for voltage U> 100 V.

Single-pole phase test:

  • optical and acoustic indication for voltage U> 100 V.

RCD trip test:

  • RCD test for IΔn ≤30 mA.

Operating frequency range: 16..400 Hz.
Measurement category in acc. to EN 61010-1: CAT III 1000 V, IV 600 V.
Ingress protection in acc. to EN 60529: IP65.
Type of insulation acc. to EN 61010-1: double, class II.
Power supply: 2 x LR03 AAA 1,5 V (recommended alkaline cells).
Working / storage temperature: -15..+55°C / -20..+70°C.
Dimensions: 275 x 82 x 36 mm.
Weight without batteries: 267 g.
Measuring tips: Ø2 mm/ Ø 4 mm/dł. 4mm (GS38).
Backlight measuring place: integrated torch.
Standard compliance: EN 61326-1, EN 61326-2-2, EN 61010-1, EN 61243-3.
Warranty: 2 years.

Additional information

Weight0.7 lbs
Dimensions2 × 4.5 × 14 in


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