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Extech RPM40 Combination Contact/Laser Photo Tachometer QATAR

900.0QR

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Care information

Keep your products in top condition: Furniture – dust regularly, avoid sunlight, and clean spills fast. Electronics – keep dry, use a microfiber cloth, and protect from power surges. Building materials – store dry, handle safely, and avoid chemicals. Kitchenware – wash gently, use mild detergents, and store properly

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Description

Feature	Description
Model	RPM40
Type	Combination Contact + Laser Photo Tachometer
RPM Range – Laser (non-contact)	5 to 99,999 rpm (testing.instrumart.com)
RPM Range – Contact	0.5 to 19,999 rpm (testing.instrumart.com)
Surface / Linear Speed (Contact mode)	0.2 to 6,560 ft/min (or equivalent in m/min) (testing.instrumart.com)
Accuracy	± (0.1% of reading + 1 digit) in both contact and laser modes (testing.instrumart.com)
Resolution	0.1 rpm (for < 1,000 rpm), 1 rpm (for > 1,000 rpm) (Instrumart)
Memory	Stores last, minimum, and maximum readings (useful for monitoring variations) (ManualsLib)
Display	Large 5-digit LCD; display digits reverse when switching between contact and laser modes for clarity (testing.instrumart.com)
Measurement Distance (laser)	Up to ≈ 1.5 m (4.9 ft) — you can measure from a safe distance without touching rotating parts (Instrumart)
Power / Battery	Operates on 4 × AAA batteries (supplied) (ManualsLib)
Included Accessories	Contact wheel/cone tip for surface-speed measurements, reflective tape (for laser mode), batteries (TEquipment)
Best Use Cases	Motors, fans, conveyors, pumps, gears, belts — maintenance, industrial inspection, mechanical checks, HVAC servicing, factory equipment diagnostics