VoltHot Technologies

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High Voltage Detector(Tester) - Audio & Visual

Confirms the status of HV line whether "live or dead" or any induced voltage in electrical power system. This product can operate in both "contact" or "non contact (Proximity)" mode.
Technical specifications
Model name VoltHot_VD_Audio-Visual_Series
Functionalities AC Voltage detection by contact and noncontact (Proximity)
Detection voltage levels 50V to 500kV (P-G)
Functional modes 50V – 230V (P-G), (Contact)
11kV-33kV (P-P), (Contact or Non contact)
66kV – 220kV (P-P), (Non contact – Proximity)
220kV- 765kV (P-P), (Non contact – Proximity)
Self test
Applications OH HV lines, URD HV lines & capacitive points, HV switchyards and low voltage systems.
(Line live or OFF or induced – voltage status check)

Electric Field Technology sensor system basis.

Threshold voltage setting.

Test before touch functionality Self test diagnosis and Test before touch source
Detector response time < 1 second
Operating frequency 40Hz to 65Hz
Battery voltage 9V (Duracell)
Low battery indication < 6V  - small green LED.
Battery Life Minimum 200 hours of continuous use.
Detection indication

Flashing large bright red light with lens and Buzzer indication intermittently 80 dB from at a distance of 20 feet.

Detector can be bring down with holding indication  for 2 minutes to check voltage status for clarity with hold mode option.


Overall length 250mm (Sensing probe)
  Overall diameter 110mm X length 100mm (Plastic housing for PCB).  (Necessary length insulated hot stick to be put based on voltage level as per standards IEC 61243-1 and OSHA)


(excluding hot stick)

Approx.  0.7kg
Product standard IEC 61243-1
Operating temperature -100C to +600C
Storage temperature -200C to +600C
Humidity 25% RH to 96% RH
Water resistant Yes
Reliability (warranty) 3000 hours operations
Service support & calibration Yes


  • Insulated telescopic hot stick of length 18 feet will be supplied along with HV Detector purchase.
  • Prototype development test is under progress.
  • Innovation disclosure filing for India Patent is under process.
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