Hioki FT3405 Tacho HiTester, 50 mm to 500 mm Detection Range

Non-contact detection distance of 500mm ensures safety for the user. Dustproof construction and drop-proof to 1 meter. Wide measurement range of 0.5000 r/s (30.00 r/min) to 99990 r/min. Contact style testing available with optional contact adapter. Non-contact: - using red visible-spectrum light and reflective tape. Contact: Using optional Contact Adapter. Measurement ranges Non-contact, AVG=ON: [r/min] (30.00 to 199.99) to (20000 to 99990), [r/s] (0.5000 to 1.9999) to (200.0 to 1600.0), [cycle (ms)] (0.6000 to 1.9999) to (200.0 to 1999.9), [count] 0 to 999999. Measurement ranges Contact, AVG=ON: [r/min] (15.00 to 199.99) to (2000 to 19999), [r/s] (0.2500 to 1.9999) to (200.0 to 333.00), [cycle (ms)] (3.000 to 19.999) to (200.0 to 3999.9), [count] 0 to 999999. Measurement ranges Contact, AVG=ON: [cycle (m/min)] (1.500 to 19.999) to (200.0 to 1999.9), [cycle (ms)] (0.0250 to 1.9999) to (20.00 to 33.30). Accuracy: Up to 9999 counts: +/-1 dgt. (AVG=ON), +/-10 dgt. (AVG=OFF), 10000 counts or more: +/-2 dgt (AVG=ON), +/-20 dgt (AVG=OFF), 20000 counts or more(r/min mode only): +/-20 dgt (AVG=ON), +/-100 dgt (AVG=OFF), Period measurement only: +/-0.5 percent rdg is added to above-mentioned accuracy. Detection range: 50 mm to 500 mm. Display refresh rate: Approximate 0.5 to 10 times/sec. Dustproof and waterproof: IP50 (EN60529). Functions: maximum/minimum display, display hold, average, auto power save, buzzer, drop proof (1m onto concrete surface). Power supply: LR6 alkaline battery x 2 (continuous use of 30 hours). Measures 2-51/64" width by 7-5/16" height by 1-1/2" depth. Accessories: LR6 alkaline battery (2), Carrying case (1), reflective tape 9211 (1 sheet) (30pieces/12mm x 12mm per piece).