HT ITALIA HT20S Phase Detector with Torch


Pen phase detector HT ITALIA HT20S allows very quickly checking for the presence of AC voltage on any kind of electric installation with and without direct contact.

A Red LED turns on and a buzzer sounding reveal the presence of voltage.

  • AC voltage range detection: 100 – 1000V AC to ground
  • Frequency range: 50/60H
  • Safety: IEC/EN61010-1
  • Category of measurement: CAT IV-1000V
  • Insulation: double insulation
  • Pollution degree: 2
  • Red LED indication of detected voltage
  • Buzzer indication
  • White LED torch with ON/OFF key
  • Power supply: 2×1.5V batteries alkaline type AAA
  • Working temperature: -10°C to 50°C
  • Working humidity: <75%RH (-10°C to 40°C),<45%RH (40°C to 50°C)
  • Size (L-W-H): 160 x 26 x 20mm
  • Weight (included batteries): 48g

Warranty 4

PDF Logo    HT20S User Manual

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SKU: HT ITALIA HT20S Categories: , Tags: ,

HT ITALIA HT20S meter can perform AC voltage detection with visible LED red and acoustic buzzer indications. A white LED is can be also activated.

HT ITALIA HT20S Description:
  1. Voltage Detection Sensor
  2. Reference Mark CAT-IV Measurement
  3. Hand Safety Protection
  4. “ON” Switch and white LED indication
  5. Pocket “Pen” Clip
  6. White LED Torch
  7. Pressure Point to remove Battery Cover
  8. Battery Cover Slide.
HT ITALIA HT20S Operating Instructions:

1. Switch on the instrument by pressing key
2. Perform an initial test with meter on an energized circuit. Replace internal batteries if the red LED do not turn on and/or the buzzer do not sound
3. Position the sensor close to or in contact with the point under test then verify that the red LED is on and buzzer sounds continuously as evidence of voltage detection. Do not perform test with the hand beyond the hand safety protection and do not allow insulated wires beyond the CAT IV reference mark (see part 2 of above picture)
4. If needed press key to turn on the white torch
5. The instrument switch off automatically after 5 minutes of idleness

HT ITALIA HT20S Technical specifications:
  • Voltage reference range: 100-1000V AC to ground
  • Frequency reference range: 50/60Hz
  • Meter indications: visible LED and acoustic buzzer
  • Safety: IEC/EN61010-1
  • Category of measurement: CAT IV 1000V
  • Pollution degree: 2
  • Batteries: 2 x 1.5V alkaline type AAA IEC LR03
  • Working temperature: -10°C to 50°C
  • Working humidity: -10 to 40°C;<75%HR; 40-50°C <45%HR
  • Dimensions (L-W-H): 160 x 26 x 20mm
  • Weight (included batteries): 48g


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