Description
Technical data
| Parameter | Value | |||
| Voltage indication | 12–690 VDC 12–400 VAC |
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| Voltage detection | automatic | |||
| Display tolerance | -30 % to 0 % of the displayed value | |||
| Polarity indicator | + / – / ~ | |||
| Display delay | < 0.1 s LED | |||
| Frequency range | 50/60 Hz | |||
| Power consumption | approx. 2.1 W for 600 V | |||
| Current consumption | ls < 0.2 A | |||
| Maximum permissible measuring time for voltages | duty cycle = 30 s | |||
| Rest period between voltage detections | 10 minutes | |||
| LED display from | > 8 V AC/DC | |||
| Operating temperature | -10 °C to +55 °C | |||
| Relative humidity | 85 % max. | |||
| Overvoltage category | CAT III – 600 V | |||
| Type of protection | IP64 | |||
| Dimensions (length x width x height) |
240 x 40 x 78 mm | |||
| Battery | 2 x 1.5 V AAA | |||
| Weight | 237 g | |||
| No. | Designation | Function | ||
| 9 | Phase testing indication |
illuminated during unipolar voltage detection at an alternating voltage of 100 V or more | ||
| 10 | Warning indication | from a voltage of 50 V: slightly illuminated from a voltage of 120 V: fully illuminated |
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| 11 | Rotary field direction indications |
illuminated according to the measured rotary field direction: (L) = left-turning rotary field direction (R) = right-turning rotary field direction |
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| 12 | Continuity test indication |
single = illuminated if the continuity test has been successful with indications (14) = functional test in progress. |
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| 13 | Polarity indications | illuminated according to the measured polarity: AC +/AC – = current flow direction both = alternating voltage |
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| 14 | Voltage detection LEDs |
single = illuminated according to the measured voltage all with indication (12) = functional test in progress |
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| Voltage range | 100 to 690 V AC | |||
| Frequency range | 50/60 Hz | |||
| Continuity test | ||||
| Measuring range | < 300 kΩ | |||
| Test current | < 5 µA | |||
| Overvoltage protection | 690 V AC/DC | |||
| Phase sequence indicator | ||||
| Voltage range | 100 to 400 V | |||
| Frequency range | 50/60 Hz | |||
| Measuring principle | double-pole and contact- electrode | |||
| Scope of delivery •  1 x Voltage detector BE20 (without batteries) •  1 x Measuring tip set (4 mm) •  1 x Manual |
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Professional two-pole voltage testing for tough everyday use
Built and tested to strict standards and protected against dust and splashing water thanks to its IP64 rating, the BE20 is the ideal two-pole voltage tester for electricians and ambitious DIY users alike. It enables reliable voltage testing, optical and acoustic continuity testing, two-pole phase sequence testing and single-pole phase identification. Despite its wide range of functions, the BE20 impresses with simple, intuitive operation, an ergonomic design and low weight. The switchable test point illumination ensures safe and precise working even in dark environments – making the BE20 a robust, versatile and dependable measuring tool for everyday professional use.




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