VoltHot Technologies

header photo

High Voltage Detector - Voltage magnitude display

Determines approximate voltage magnitude of the HV line in order to take decision whether the line voltage is as per system voltage or induced voltage (line dead) or voltage drop due to over loading.
Technical specifications (Analog and Digital versions)
Model name VoltHot_VD_Magnitude_Display_Series
Functionalities AC Voltage detection by contact and noncontact (Proximity)
Detection voltage levels 50V to 500kV (P-G)
Functional modes 50V – 230V (P-P), (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, low voltage systems, HV switchyards. (Hot line or OFF or induced line – voltage status check)

+/- 20% on voltage (Contact)
+/- 30% on voltage (Non contact)
(Electric Field Technology sensor systems).

Threshold voltage setting.

Voltage hold (Digital) Displayed voltage is hold for 2 minutes
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 < 5V
Battery Life Minimum 150 hours of continuous use.
Detection indication Voltage magnitude display – APM and DPM respectively. Detector can be bring down with holding indication  for 2 minutes to check voltage status for clarity with hold mode option- (Digital).

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.  0.8kg (analog)

Approx.  0.7kg (digital)

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

This product is also available in Non contact insulated telescopic probe.

Two versions of HV detection of the product:

  • Telescopic hot stick - detector at HV sensing position and hot stick at handle position
  • Telescopic probe - detector at handle position and probe at HV sensing position for voltage levels 100V – 20kV (P-G)
  • 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.
Go to top