High voltage indicator (tester) | 10kV | handheld electroscope | with integrated AC generator

Technical Specifications

Type: Handheld high-voltage indicator (electroscope)
Operating voltage: 10 kV
Response time: ≤1 s
Dynamic 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 material
Purpose: electrical safety tool

Functions

Fast voltage detection (≤1 s) – allows instant verification of voltage presence in a circuit, saving time and increasing safety
Designed for operation up to 10 kV networks – suitable for medium-voltage systems (transformer substations, switchgear, cable lines)
Integrated high-voltage AC generator – ensures stable operation and reliable indication even in demanding conditions
Sinusoidal signal (50 ±1 Hz) – guarantees accurate and stable performance close to real grid conditions
Low power consumption (≤3 W) – efficient energy use enables longer operation without frequent charging
High internal resistance (≥12 MΩ) – reduces impact on the measured circuit and increases safety
Low leakage current (≤2 µA) – ensures safe use and minimal energy loss
High-quality insulation – protects the user from electric shock
Ergonomic handheld design – comfortable to hold and use for extended periods
Battery-powered (11.1 V) – mobile solution without need for external power

Applications

For electricians: checking absence of voltage before work, use in substations, switchgear, cable lines
For engineers/technicians: diagnostics and maintenance of electrical networks, system checks before commissioning or after repair
Energy sector: substations, distribution points, power transmission and distribution infrastructure
Industry: maintenance of high-voltage equipment, ensuring production safety

Advantages

Suitable for up to 10 kV networks
Very fast response time
High safety level
Stable and accurate performance
Integrated generator – reliability
Ergonomic and easy to use

Disadvantages

Not suitable for low-voltage (230/400V) networks
Requires professional knowledge
Requires regular inspection and battery maintenance

FAQ

Is this electroscope suitable for 0.4 kV (230/400V) networks?
No, this model is designed only for medium-voltage networks (up to 10 kV).

Is the device suitable for outdoor use?
Yes, but safety requirements must be followed and extreme weather conditions avoided.

Is additional calibration required?
Periodic verification is recommended according to safety standards.

Is it safe to use without protective equipment?
No, protective gloves and other insulating equipment are required.