Keystone Instruments

Keystone Instruments Keystone Instruments Corporation is the authorized distributor and service center for Testo measuring device

26/08/2026

Confidence starts with reliable leak detection. 🔎
The Testo 516Ex leak detector family delivers fast response times, interchangeable sensor options and precise results across different applications:
✅ Gas
✅ Refrigerants
✅ CO₂
Efficient leak detection.
ATEX-certified performance.
👉 Explore Testo leak detection.

13/08/2026

The smartest way to fully evacuate and leak test, automatically with the testo 565i. Just enter your target vacuum parameters in micron and let the pump do the rest, all the way to leak testing.

For inquiries, please call our authorized dealer: Uniform Refrigeration & AC Supply Inc. at 5310-2280/ 8733-8371 local 104/ 0917-834-0961 or send email to [email protected]

We are live at the World Food Expo 2026! Visit the Keystone Instruments booth to explore our complete line of Testo meas...
29/07/2026

We are live at the World Food Expo 2026! Visit the Keystone Instruments booth to explore our complete line of Testo measurement solutions and specialized food equipment. From temperature data loggers to oil testers and monitoring systems, discover how Testo ensures your operations meet the highest standards.

​📍 Find us at Booth 115
🗓️ We are here until August 1!
🤝 Stop by to speak with our experts and see live product demonstrations!

​

Confidence starts with reliable leak detection. 🔎The Testo 516Ex leak detector family delivers fast response times, inte...
15/07/2026

Confidence starts with reliable leak detection. 🔎

The Testo 516Ex leak detector family delivers fast response times, interchangeable sensor options and precise results across different applications:
✅ Gas
✅ Refrigerants
✅ CO₂

Efficient leak detection.
ATEX-certified performance.

👉 Explore Testo leak detection.

02/07/2026

New challenges? Meet your new lineup. 🔥

We’re leveling up the way you work with the brand-new testo 515 Ex and testo 565i EX. Connected directly to the cloud and powered by testo smart connect, these instruments are designed to keep you fast, accurate, and completely efficient on every job site.

Streamline your workflow. Stay connected.

26/06/2026

Quick. Precise. Effortless outlet measurements.
With the testo 440, HVAC pros measure volume flow at air outlets with ease – guided menus and versatile probes ensure accurate results in no time.

👉 Simplify your airflow checks today.

For inquiry, you may message us on facebook or call us at (02)
8831-5056/ (02) 8831-7606/ 0917-822-4194 or email us at [email protected]

The testo 300 NEXT LEVEL is a state-of-the-art flue gas analyzer designed to help cut fuel consumption by displaying rea...
25/06/2026

The testo 300 NEXT LEVEL is a state-of-the-art flue gas analyzer designed to help cut fuel consumption by displaying real time data to help you adjust your burn efficietly and at the same time keeping the environment clear of pollution.

This device saves valuable time and streamlines the documentation process through integration with the testo Smart App, allowing for full documentation and report generation to be sent by email and integrated into in-house software, resulting in reduced errors, paperwork, and stress.

The testo 300 NEXT LEVEL is the smart and efficient solution for all measurement needs in the engineering and environmental field.

Learn more at www.keystone-instruments.com or call 0917 822-4194 or email us at [email protected]

Finding the leak has never been easier. Get the testo 316-3 or testo 316-4 to easily detecting refrigerant leaks.For inq...
24/06/2026

Finding the leak has never been easier. Get the testo 316-3 or testo 316-4 to easily detecting refrigerant leaks.

For inquiries, please call our authorized dealer: Uniform Refrigeration & AC Supply Inc. at 5310-2280/ 8733-8371 local 104/ 0917-834-0961 or send email to [email protected]

23/06/2026

Find hidden energy losses before they become costly!

The testo 883-2 delivers sharp thermal images, flexible lens options and full connectivity – the perfect companion for professional building thermography.

✅ Detect every thermal bridge and weak spot
✅ Capture more with interchangeable wide-angle lenses
✅ Analyse and document with free IRSoft software
✅ Share results instantly via the testo Thermography App

👉 Discover the testo 883-2 for building thermography.

For inquiry, you may message us on facebook or call us at (02) 8831-5056/ (02) 8831-7606/ 0917-822-4194 or email us at [email protected]

The testo 860i – your go-to for fast and reliable thermal diagnostics.From quick spot checks to Delta T and mould detect...
22/06/2026

The testo 860i – your go-to for fast and reliable thermal diagnostics.

From quick spot checks to Delta T and mould detection – the testo 860i delivers sharp thermal images and seamless operation via the testo Smart App.
Ideal for fast diagnostics on the go.

✅ Compact and connected
✅ Sharp thermal images in seconds
✅ Simple reporting via the app

👉 Discover the testo 860i now

For inquiry, you may message us on facebook or call us at (02) 8831-5056/ (02) 8831-7606/ 0917-822-4194 or email us at [email protected]

Address

2130 Leveriza Street
Pasay City
1304

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 12pm

Telephone

+63288315056

Website

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