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Digital Vacuum Gauge for Air & Refrigeration Systems
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DVG-64A-Series

Digital Vacuum Gauge for Air & Refrigeration Systems

Models In Stock
  • 19,000 to 0 Microns
  • Reads Vacuum in 5 Units of Measure
  • Auto Shut-Off
  • Built-In Hanger
Digital Vacuum Gauge for Air & Refrigeration Systems DVG-64A-Series DVG-64A-Series
Product Overview
  • Accuracy Class > 0.25%
  • Accuracy Detail +/-10% or +/-10 Micron, whichever is larger (50 to 2000 Microns) at 75°F
  • Auto-Shutoff 10 min above 19000 Microns, 1 hr below
  • Battery life 600 hr
  • Battery Size and Type Alkaline AA
  • Display Type Backlit LCD
  • Height 5.5 in
  • Length 1.5 in
  • Number of Batteries 3
  • Operating Temperature, Max 150 °F
  • Operating Temperature, Min 0 °F
  • Pressure Accuracy ± 10 %
  • Measurement Pressure, Max 190000 Pa
  • Measurement Pressure, Min 0 Pa
  • Process Connection Size 1/4 in
  • Process Connection Type SAE Flare Fitting
  • Proof Pressure Up to 800 psi
  • Sample/Display Rate 0.5 sec
  • Sensor Type Thermistor
  • Series ID DVG-64A-Series
  • Supply Power Type Battery
  • Weight 6 oz
  • Width 2.75 in

Supported Applications

The Omega DVG-64A is a digital vacuum gauge designed for measuring vacuum levels in HVAC systems and refrigeration applications. The device features a lifetime sensor resistant to contamination, making it suitable for environments where media purity or long-term stability is required.

Operating Conditions & Performance

The DVG-64A measures vacuum across two primary ranges: 0 - 19,000 Micron and 0 - 2,600 Pascal. Accuracy is specified as +/-10% or +/-10 Micron, whichever is larger, within the range of 50 to 2000 Microns at 75°F. The unit operates in ambient temperatures from 0°F to 150°F (-17°C to 65°C) and withstands an overpressure limit of 800 PSI max (55Bar). Response time is documented as 0.5 sec.

Display resolution varies by measurement range:

  • Micron Ranges: 0 to 140 Microns offers 0.5 Micron resolution; ranges increase in steps up to 16,000 - 19,000 Microns with 1000 Micron resolution.
  • Pascal Ranges: 0 to 18 Pascal offers 0.05 Pascal resolution; higher ranges step up to 2100 - 2600 Pascal with 100 Pascal resolution.

The gauge supports multiple units including Micron, milliBar, Pascal, Torr, and milliTorr.

Power & Display Features

  • Power Source: 3 AA Batteries providing up to 600 hours of continuous usage with a battery indicator.
  • Auto Shutoff: Activates after 10 minutes when vacuum reading is above 19,000 Microns; activates after 1 hour when below 19,000 Microns. A low power mode updates the display every 7 seconds if no button is pressed for 10 minutes while a vacuum is showing.
  • Display: Backlit LCD with auto-shut off functionality and built-in hanger for convenient use.

Configuration Options

The DVG-64A series includes the following configurable or fixed attributes as documented in the user guide:

  • Sensor Type: Thermistor-based lifetime sensor resistant to contamination.
  • Process Connection: Standard ¼ inch male flare fitting.
  • Housing Dimensions: 5.5" H X 2.75" W X 1.5" D with a weight of 6 oz.

Key Product Differences

The bundle documents the DVG-64A as a single model within this series. No alternative housings, sensor types, or output configurations are listed in the provided source material for other variants of the DVG-64A-Series.

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