Overview

The Yokogawa 701978 High Voltage Differential Probe is designed for measuring high voltage and high-frequency signals. It is suitable for research and evaluation of high voltage systems, including inverters, high voltage batteries, commercial power lines, and new energy circuits such as photovoltaic (PV) power conditioners.

Technical Specifications

• Maximum Input Voltage: ±1500 V (DC + AC peak)
• Frequency Bandwidth (−3 dB): 150 MHz
• CMRR (Common-Mode Rejection Ratio):
  • −80 dB at 60 Hz
  • −50 dB at 1 MHz
• Connector Type: BNC
• Input Resistance/Capacitance (Typical):
  • Resistance: 4.1 MΩ ± 3%
  • Capacitance: 5 pF
• Allowable Differential Voltage: ±1500 V (DC + AC peak)
• DC Gain Accuracy (23°C ± 5°C):
  • Common mode input voltage within ±400 V: ±2%
  • Common mode input voltage within ±1000 V: ±3%
• Operating Temperature Range: 5 to 40°C
• Operating Humidity Range: 25 to 85%
• Probe Length:
  • Total Length: 2430 mm
  • Tip Lead: 200 mm
  • Power Cable: 1000 mm
• Attenuation Ratio: 50:1 / 500:1
• Measurement Category: CAT III 1000 V
• Probe Power: Not specified
• Standard Accessories:
  • High voltage alligator clip (Red, Black)
  • Pincher tip (Red, Black)
  • Extension lead (1 m)
  • 100 Ω resistance adapter
  • 150 Ω resistance adapter