Overview
The Ametek US Gauge 154689 vacuum pressure gauge is a high-precision instrument for measuring negative (vacuum) pressure in industrial applications. With a range of -30 inches of mercury (IN HG) and 1/4 ANPT connection, this model delivers the accuracy and durability expected from a leading pressure measurement manufacturer. The 1X676 designation identifies this specific vacuum gauge configuration, suitable for HVAC systems, vacuum pumps, pneumatic lines, and process monitoring where accurate vacuum measurement is critical to system performance.
Key Features
- Vacuum pressure range: -30 IN HG (inches of mercury)
- 1/4 inch NPT (ANPT) bottom connection for standard industrial piping
- Bourdon tube mechanism for reliable, long-term accuracy
- Durable construction designed for industrial environments
- Standard dial face for easy field reading and diagnostics
- LM (liquid-filled) variant available for vibration-resistant applications
Technical Specifications
- Measurement Range: -30 inches of mercury (vacuum only)
- Connection Size: 1/4 inch ANPT (bottom mount)
- Model Number: 154689
- Series/Variant: 1X676
- Mechanism: Bourdon tube pressure gauge
- Gauge Type: Analog dial
Typical Applications
- HVAC system evacuation and leak detection
- Vacuum pump monitoring and performance verification
- Pneumatic and vacuum line pressure diagnostics
- Process equipment vacuum monitoring
- Refrigeration system servicing and maintenance
- Laboratory and testing equipment integration
Compatibility & Replacements
Compatible With
- Standard 1/4 inch NPT female threaded connections
- Industrial vacuum systems and pump outlets
- HVAC evacuation and charging equipment
- Pneumatic control systems requiring vacuum monitoring
- Process measurement applications in manufacturing
Replaces / Drop-In Replacement For
The Ametek US Gauge 154689 1X676 is the direct model designation for this vacuum gauge. Verify compatibility with your system integrator before ordering if replacing an existing gauge.
Works With
- All standard 1/4 NPT threaded vacuum lines and manifolds
- Industrial HVAC and refrigeration systems
- Pneumatic equipment and compressed air systems
- Vacuum pump and compressor applications
- Legacy and modern industrial process control equipment
