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PMK | High Temperature Probes

ENVI® - High Temperature Probe for Environmental Tests

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NABL-Accredited Calibration | Available on Request

The ENVI® passive probe is the world's first high-performance test probe built specifically for extreme temperature environments ranging from -55 °C to +155 °C, offering 350 MHz bandwidth, 400 V/1250 V peak input voltage range, and 4.5 MΩ input impedance — ideal for climate chambers and environmental test systems..

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  • Special Features
  • Specification

The ENVI® High-Temperature Passive Probe is engineered for environmental testing under extreme thermal stress, making it ideal for measurements in climate chambers, automotive systems, industrial electronics, and aerospace components.

With its robust thermal endurance from -55 °C to +155 °C and 4.5 MΩ input impedance, ENVI® enables safe and stable measurements across a broad range of circuit types. It supports 400 V RMS and 1250 V peak input voltages, making it suitable for medium- to high-voltage diagnostics.

The 10:1 attenuation ensures signal integrity without loading the DUT, while its BNC output with read-out (RO) pin allows for automatic oscilloscope scaling, providing effortless integration with any 1 MΩ BNC-compatible oscilloscope.

Designed for field and lab testing, the replaceable probe tips (spring or rigid) and an extensive array of high-temperature accessories allow customized, reliable contact — even under mechanical or thermal stress.

  • Operating Temperature Range: -55 °C to +155 °C

  • 350 MHz Bandwidth

  • 400 V RMS / 1250 V Peak Input Voltage

  • High Input Impedance: 4.5 MΩ

  • 10:1 Attenuation Ratio

  • Replaceable Spring or Rigid Tip

  • Universal BNC Connector

  • RO (Read-Out) Pin for Autoscaling on Oscilloscopes

  • Wide Range of High-Temperature Contacting Accessories

  • Factory Calibration (Certificate Optional)

Feature Specification
Temperature Range -55 °C to +155 °C
Bandwidth 350 MHz
Input Voltage Range 400 V RMS / 1250 V Peak
Input Impedance 4.5 MΩ
Attenuation Ratio 10:1
Output Connector BNC with RO (Read-Out)
Probe Tip Options Replaceable: Spring or Rigid
Oscilloscope Compatibility 1 MΩ BNC Input (Auto Scaling Enabled)
Calibration Factory Calibrated (Certificate Optional)