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Sino – HS315 Electric Vacuum Comparator

The HS315 is a compact and lightweight laboratory pressure calibration pump designed for precise negative pressure generation (-0.95 ~ 0 bar). It uses external air source priming instead of a hand pump, ensuring stable and consistent performance. With steady servo control, it delivers fast, accurate, and stable pressure adjustment.
Ideal for calibrating pressure transmitters, gauges, and switches within 2 minutes full-range calibration.

  • Pressure Range: (-0.95 ~ 0) bar
  • External Air Source with Quick Adapter Design
  • Compact Size (305×300×165 mm) & Light Weight (4.9 kg)
  • Pressure Stabilizing Time < 5 Seconds

Description

The HS315 Pressure Calibration Pump is specially designed for laboratory pressure calibration applications, offering a pressure range of (-0.95 ~ 0) bar using air as working media. Unlike traditional hand pump systems, it features an external air source for priming, significantly improving operational convenience and stability. The built-in steady servo control system ensures precise and stable pressure generation, making it highly reliable for professional calibration tasks.

With its compact structure and high portability (only 4.9 kg), the HS315 is easy to move and operate within laboratory environments. It provides quick pressure stabilization in less than 5 seconds and enables complete full-range calibration within 2 minutes, enhancing work efficiency. The M20×1.5 female output interface ensures secure and standardized pressure connections, while its easy-to-clean design supports long-term durability and maintenance convenience.

Features

  • Pressure Range: (-0.95 ~ 0) bar
  • Working Media: Air
  • External Air Source Priming: No hand pump required
  • Steady Servo Control: Stable and precise pressure regulation
  • Quick Adapter Design: Easy connection to external air source
  • Fast Calibration: Full range calibration within 2 minutes
  • Rapid Stabilization: Pressure stabilizing time < 5 seconds
  • Compact Dimensions: 305 × 300 × 165 mm
  • Light Weight: 4.9 kg for high portability
  • Output Interface: M20 × 1.5 Female
  • Application: Calibration of pressure transmitters, gauges, switches & industrial instruments

Specifications

 

Model HS315 HS316 HS318
Pressure range (-0.95 ~ 0) bar (0 ~ 25) bar (0 ~ 600) bar
Working medium Air Air 25# transformer oil
Working environment Laboratory Laboratory Laboratory
Pressure connection M20 × 1.5 female M20 × 1.5 female M20 × 1.5 female
Dimensions 305L × 300W × 165H (mm) 450L × 350W × 135H (mm) 500L × 350W × 135H (mm)
Weight 4.9 kg 14 kg 16 kg

 

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