Voltage indicator (tester) | 0.4kV | for 230/400V networks | manual electroscope | with integrated AC generator

Technical Specifications

Type: manual voltage indicator (electroscope)
Operating voltage: 0.4 kV (230/400V networks)
Response time: ≤1 s
Dynamic power consumption: ≤3 W
Leakage current: ≤2 µA
Output frequency: 50 ±1 Hz
Waveform: sinusoidal
Load resistance: ≥12 MΩ
Supply voltage: 11.1 V (battery)
Material: high-quality insulating
Purpose: electrical safety tool

Functions

Fast voltage detection (≤1 s) – allows instant determination whether voltage is present in the circuit, saving time and increasing work safety
Integrated AC generator – ensures stable and reliable operation even in more demanding conditions
Sinusoidal signal – guarantees accurate voltage detection without false indications
High-level insulation – protects the user from electric shock when working with voltage
Low power consumption (≤3W) – allows longer use without frequent charging
Low leakage current (≤2 µA) – reduces the probability of false signals and increases measurement accuracy
High input resistance (≥12 MΩ) – does not load the tested circuit and ensures safe measurement
Ergonomic handheld design – comfortable to hold and use even for longer periods
Portable use with battery (11.1V) – no need for external power supply, can be used anywhere
Suitable for professional use – adapted for electricians, engineers, and technical personnel

Usage

For electricians: Check whether the circuit is de-energized before work, work with distribution boards, sockets, cables, ensure safe installation repair
For engineers / technicians: Electrical system diagnostics, equipment testing before commissioning, fault detection in low-voltage networks
In industry: Maintenance of production equipment, inspection of electrical cabinets and distribution systems

Advantages

Suitable for standard 230/400V networks
Fast response (≤1 s)
High level of safety
Reliable operation due to integrated generator
Lightweight and easy to use
Low energy consumption

Disadvantages

Requires electrical safety knowledge
Not suitable for high voltage (>1kV) systems
Battery condition must be monitored

FAQ

Is it suitable for checking 230V sockets?
Yes, it is designed for 230/400V (0.4kV) networks.

Does it show the exact voltage value?
No, it only indicates whether voltage is present (for safety verification).

Is it easy to use?
Yes, but basic electrical safety knowledge is required.

Can it be used for daily work?
Yes, it is suitable for electricians and technicians.