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Precision. Proven.
Explore our complete line of calibrated instruments, test equipment, and measurement tools. Each one is backed by Tool Testing Lab’s trusted expertise. Every product is carefully verified for accuracy and reliability so you can work with confidence knowing your tools meet the highest standards in precision.
Best Sellers
Ensure a safe flight by checking aircraft tire pressure with an accurate, certified Tool Testing Lab pressure gauge. Our most popular tire gauge is built with the aviation technician in mind with a new inverted gauge, air bleed system, and accredited certification. Includes custom case.
Range (C): 0-300 PSI
Manufacturer: TOOL TESTING LAB
Accuracy: +/- 1% F.S.
Gauge Size: 2.5" 1/4 NPT
Gauge Orientation: Inverted
The 4000 and/or 400 PSI gauges are perfect for Oxygen and Nitrogen regulators, or applications where oil cannot be used.
This Snap-On owned brand, CDI, produces excellent quality, value, and precision. After 25 plus years of calibrating hundreds of torque brands, we chose to represent CDI due to their quality, precision, and part accessibility.
501MRMH
1501MRMH
2002MRMH
2502MRMH
7502MRMH
10002MRMH
752MFRMH
1002MFRMH
1503MFRMH
2503MFRMH
4004MFRMH
6004MFRMH
10005MFRMH
Stainless steel internals, 2 – 1/2 inch face, 1/4 NPT. Includes NIST certification. Optional protective boot and Glycerin fill.
Accuracy: +/- 1% F.S.
Gauge Orientation: Standard Bottom 1/4 NPT
Ensure a safe flight by checking aircraft tire pressure with an accurate, certified Tool Testing Lab pressure gauge.
The TTL Digital Aircraft Tire Gauge has a +/- 0.25% FS accuracy for the most precise jobs.
Range (C): 300 PSI
Manufacturer: TOOL TESTING LAB
Accuracy: +/- 0.25% F.S.
Gauge Size: 3" 1/4 NPT
Gauge Orientation: Inverted
Our analog tire inflator is one of our top sellers. This inflator provides accuracy and safety with an over pressure blow-off valve, 1% accurate gauge, bleeder valve, clip-on chuck, and inflation control ball valve.
Range (C): 0-300 PSI
Manufacturer: TOOL TESTING LAB
Accuracy: +/- 1% F.S.
Gauge Size: 2.5" 1/4 NPT
