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  • HTS8/9a Single-needle Catenary Voltage Meter
  • HTS8/9a Single-needle Catenary Voltage Meter
  • HTS8/9a Single-needle Catenary Voltage Meter

HTS8/9a Single-needle Catenary Voltage Meter

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The HTS8/9a is a single-needle analog voltmeter designed for real-time monitoring of high-voltage overhead catenary systems in electric locomotives and EMUs.

  • Description
  • Specification

The HTS8/9a is a single-needle analog voltmeter designed for real-time monitoring of high-voltage overhead catenary systems in electric locomotives and EMUs. Specifically rated for -35kV applications, this instrument accurately displays the voltage of the traction power  network. It features a modular design, high insulation performance, and strong resistance  to vibration and electromagnetic interference. Equipped with a backlit dial (LED illumination optional), the HTS8/9a provides clear visibility under varying lighting conditions. Its robust structure and long service life make it suitable for harsh railway environments, ensuring operational safety and reliable voltage indication.

HTS8/9a Single-needle Catenary Voltage Meter

Item

Specification

Accuracy

±1.5%

Internal Illumination

LED lighting, 24VDC or 110VDC

Operating Environment

-25°C to +50°C, relative humidity not exceeding 95%

Insulation Strength

1000V, 50Hz sinusoidal AC, duration 1 minute

Vibration Resistance

Category 1, Class B (in accordance with TB/T 3058)

Protection Rating

Front panel: IP54; Connector: IP40

Weight

Not more than 0.8 kg

Connector

0.8 × 6.3 mm plug-in terminal