zThe Shimpo Model PT-120 Contact Tachometer is a simple to use,ergonomic, rugged test instrument for rotational speed applica-tions. This velocity analyzing and measuring device is ideal forrotational machine inspection and process speed analysis. ThePT-120 possesses a large backlit LCD screen that provides clearviewing in any environment. With a simple selection switch userscan obtain readings in either RPM, meters, meters per minute inmetric models or RPM, feet and feet per minute in imperial mod-els. During testing, the unit automatically saves maximum, min-imum, last recorded values and up to 96 logged data readings.The compact, lightweight PT-120 Tachometer comes standardwith 3 AAA batteries, protective carrying case, plus several con-tact adapters and contact wheel.PT-120 Contact TachometerOperation ManualBe careful of clothing or appendages getting tooclose to moving machinery when taking readings.Do not leave the device close to water or any otherliquid to avoid damage.If not using this instrument for extended periods oftime, remove the batteries to prevent potential batteryleakage from causing product damage.Do not attempt to open housing or do maintenance.SPECIFICATIONSRange: PT-122: 0.5-19,999 RPM, 0.05-1999.9 m/min,0.05-99,999 m; PT-121: 0.5-19,999 RPM, 0.16-6559.6 ft/min, 0.16-99999 ftResolution: 0.1 RPM (0.5-999.9 RPM), 1 RPM (above 1000 RPM);0.01 m/min (0.05-99.99 m/min), 0.1 m/min (100+ up m/min);0.02 m (0.05-99,999 m); 0.03 ft/min (0.16-99.99 ft/min), 0.3 ft/min(100 ft/min and up); 0.04 ft (0.16-99,999 ft)Display: 5 digit, 0.7” (18 mm) LCDAccuracy: +/-0.05% + 1 digitSampling Time: 0.8 second (over 60 RPM)Memory: Automatically stores Maximum (UP), Minimum (dn), lastvalue (LA) and up to 96 readings for review. Maximum speed forreading storage is every 0.8 seconds.Dimensions: 6.7 x 2.8 x 1.4 (170 x 70 x 35 mm)Power: 3 x 1.5V AAA batteryEnclosure: ABS plastic housingProduct Weight: 0.45 lb (0.20 kg)Package Weight: 1.00 lb (0.45 kg)Certification: CEWarranty: 1 YearIncluded Accessories: 3 AAA batteries, protective carrying case.Large & small cone adapter, surface wheel, 3.87” ( 98.3 mm) cir.PRODUCT DIAGRAM1. Measurement Button2. Function Select Switch3. Memory Button4. LCD Display5. Battery Cover (On Back)6. Contact Adapter123456