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Vanguard VBT-75 S2 Vacuum Bottle Tester

VBT-75 S2

VBT-75 S2 Vacuum Bottle Tester

The VBT-75 S2 is Vanguard's second generation microprocessor-based, portable, 75kV dc vacuum bottle tester. This lightweight, portable tester is designed for testing circuitbreaker vacuum bottles in the field and at the shop.

M2K engineers testing a distribution transformer with Vanguard instruments at Energypac

Overview

The VBT-75 S2 is Vanguard's second generation microprocessor-based, portable, 75kV dc vacuum bottle tester. This lightweight, portable tester is designed for testing circuitbreaker vacuum bottles in the field and at the shop.

Test voltages can be selected from 10 kV dc to 75 kV dc in 5 kV steps. The high-voltage test time can be set from 5 seconds to 2 minutes. The test voltage is raised to the selected voltage and held for the test time duration. After the test time duration has elapsed and the leakage current did not pass the preset value of 100 µA, 200 µA, or 300 µA, the test voltage is returned to zero and a "Pass" message is displayed. If a flash-over condition occurs, such as bottle failure, the test voltage is immediately turned.

The presence of high voltage is indicated by an audible tone and an illuminated "HIGH VOLTAGE" LED light. For additional operator safety, an "ARM" switch must be held down

Key capabilities

  • Automatic testing
  • 10 kV ¬ 75 kV DC output in 5 kV steps
  • Selectable test time duration from 5
  • Digital voltage and current display
  • Failure indicator LED
  • Very lightweight (10 lbs. / 4.53 Kg)

Specification

Indicative specification for Vanguard VBT-75 S2 Vacuum Bottle Tester
X indicator 200 µA, 300 µA (programmable)

Indicative specification for guidance. Confirm the current manufacturer datasheet for the configuration being quoted.

Typical applications

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