Siemens Building Technology 142-0311 Gauge

The Siemens 142-0311 is a professional-grade low pressure gauge engineered for high-accuracy monitoring within commercial HVAC pneumatic systems and pneumatic control circuits. Featuring a 2.5-inch dial face, this instrument provides a clear 0–30 PSI range (0-200 kPa), making it essential for technicians verifying actuator line pressures, compressor control sequences, and receiver-controller outputs. The unit utilizes a 1/4" barbed connection designed for secure integration with flexible pneumatic tubing, ensuring leak-free performance in demanding mechanical environments. Built for pneumatic control systems, this gauge handles air and non-corrosive gas applications where precise feedback is required for system calibration. Its compact form factor allows for seamless commercial HVAC equipment installation inside tight control panels or valve assemblies. As a standard tool for field diagnostics, the 142-0311 ensures stable, responsive readings for pneumatic pressure monitoring and routine troubleshooting of building automation hardware.

• 0–30 PSI range optimized for low-pressure pneumatic signal and air-line monitoring.
• 2.5-inch dial display offers high visibility for rapid pressure verification in darkened mechanical rooms.
• 1/4" barbed connection facilitates fast, tool-free installation into existing pneumatic tubing runs.
• Precision-engineered for pneumatic control systems requiring reliable air and gas pressure feedback.
• Rugged construction suitable for the rigorous environments of commercial HVAC equipment diagnostic work.

• What are the primary applications for this Siemens pressure gauge? It is primarily used for monitoring control air pressure in HVAC pneumatic circuits, including actuator lines and pneumatic thermostats.
• Is the 142-0311 compatible with standard pneumatic tubing? Yes, the 1/4" barbed fitting is designed for a snug fit with standard 1/4-inch OD flexible pneumatic tubing commonly used in building controls.
• Can this gauge be used for liquids? No, this is a dry gauge designed specifically for air and non-corrosive gas applications within HVAC and pneumatic systems.
• What is the dual scale range on the dial? The gauge typically features a primary scale of 0–30 PSI and a secondary metric scale of 0–200 kPa for universal technical reference.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.