What is the primary function of the 0638 1742 Oil Pressure Probe?

The 0638 1742 Oil Pressure Probe is designed specifically for checking the lubricating oil pressure in refrigeration compressors, which is vital for system health and performance.

What type of connection does this probe use?

The probe features a standard ¼ SAE (7/16“ UNF) pressure connection, allowing for easy integration with compatible measuring instruments and compressor fittings.

What is the measuring range and accuracy of the probe?

The probe offers a measuring range from 0 to +360 psi rel (0 to +25 bar rel) with an accuracy of 1.5% of the full-scale value, providing reliable pressure readings for diagnostics.

Oil Pressure Probe for Compressor Systems

Name: Oil Pressure Probe for Compressor Systems
Brand: Testo
SKU: 0638 1742
Price: 803.65 AUD
Availability: InStock

🛠️ Need the Right HVAC Tool for the Job?

Whether you're quoting a bulk order or chasing hard-to-find tools, we’re here to help.

Get a fast, personalised quote—no pressure, no spam!
Fill out the form below and we’ll get back to you ASAP.

📩 Request a Quote

Overview

The Oil Pressure Probe (SKU: 0638 1742) is designed for precise measurement of lubricating oil pressure in refrigeration compressors. This essential tool helps ensure the health and efficiency of your HVAC systems.

It features a robust design that is resistant to common refrigerants and oils, ensuring durability and reliability in demanding environments.

Why It Matters

Monitoring oil pressure is critical for preventing compressor failure and maintaining optimal system performance. This probe provides accurate data for effective diagnostics and maintenance.

What's Included

1 x Oil pressure probe with fixed cable (2.9 m length)

Features & Benefits

Small and handy design for easy use in tight spaces.
Long 2.9 m cable provides flexibility during measurements.
Resistant to common refrigerants and oils, ensuring long-term reliability.
Equipped with a standard 7/16“ UNF pressure connection.

Applications

Checking lubricating oil pressure in refrigeration compressors.
Connecting to compressor's oil measurement fittings for direct display readings on compatible instruments.

Tradie Pro Tip: Always ensure the pressure connection is perfectly sealed before taking readings to prevent refrigerant leaks and ensure accurate measurements.

Technical Specifications

Parameter	Value
Measuring Range	0 to +360 psi rel / 0 to +25 bar rel
Accuracy	1.5 % of full-scale value
Resolution	0.01 bar / 0.1 psi
Probe Connection	¼ SAE (7/16“ UNF)
Overload (relative)	725 psi rel / 50 bar rel
Weight	245 g (8.64 oz.)
Dimensions	120 x 29 x 38 mm (4.7 x 1.1 x 1.5 in.)
Cable Length	2.9 m (9.514 ft.)
Product Colour	Grey

Pair With

This oil pressure probe is an ideal companion for Digital Manifold Gauges, Vacuum Pumps, and Refrigerant Recovery Units to complete your HVAC toolkit.

Equip your team with the right tools for accurate and reliable compressor oil pressure diagnostics.