HARBAX Oil Pressure Gauge HOPG-63mm 1/4″ SAE 250 PSI (L)

The HARBAX HOPG-63mm Oil Pressure Gauge (Low Pressure) is a precision HVAC and refrigeration measuring instrument designed to monitor oil pressure up to 250 PSI. It is ideal for systems operating in lower pressure ranges, helping technicians maintain proper lubrication levels and system safety.
With a large 63mm dial and a 1/4″ SAE back connection, this gauge provides clear, accurate readings and easy installation in fixed or panel-mounted applications.

Key Benefits

Low-Pressure Measurement – Measures oil pressure up to 250 PSI
63mm Large Dial – Clear and easy-to-read scale
Back Connection Design – Ideal for panel and equipment mounting
Standard 1/4″ SAE Fitting – Widely compatible with HVAC systems
Durable Build Quality – Designed for long service life
Accurate Readings – Helps prevent oil pressure–related system issues

Specifications

Brand: Harbax
Model: HOPG-63mm (L)
Product Type: Oil Pressure Gauge
Dial Size: 63 mm
Pressure Range: Up to 250 PSI (Low Pressure)
Connection Size: 1/4″ SAE
Connection Position: Back Connection
Application: HVAC & Refrigeration Systems

Frequently Asked Questions (FAQs)

Q1: What pressure range does this gauge support?
It measures oil pressure up to 250 PSI, suitable for low-pressure HVAC and refrigeration systems.
Q2: What does “L” mean in the model name?
“L” indicates Low Pressure, distinguishing it from high-pressure models.
Q3: Where is this gauge typically installed?
It is commonly installed in panel-mounted or fixed HVAC setups using the back connection.
Q4: Is it compatible with standard HVAC fittings?
Yes, it uses a 1/4″ SAE standard connection.
Q5: Can this gauge be used for routine servicing?
Absolutely. It is ideal for system monitoring, diagnostics, and maintenance work.