TA500 series digital tachometer that can measure the RPM or surface speed and distance. It is applicable to electric power, steel, petrochemical, aviation, fan manufacturing, pipeline ventilation system, underground warehouse and other occasions. Features: Accurate RPM MeterThis handheld tachometer is highly accurate and noncontact. Wide measuring range from 3RPM to 100000 RPM and high resolution of 0.1RPM or 1RPM, this rpm meter gives you accurate rotational speed readings from a distance. Contact & Non-contact TachometerOur digital tachometer integrates 2 measurement methods, contact type and photoelectric laser non-contact type. Tachometer can perform photoelectric speed measurement, light source flicker frequency measurement, contact RPM measurement, and contact line speed measurement. Tachometer with Larger Speed RangeThe digital non-contact tachometer displays rotation speeds from 3-100,000 RPM, contact type tachometers can measure 3-19,999 RPM, 0-99,999m, 0-1999.9m/min, 0-9999.9ft/min. Multi-Function TachometerThis handheld tachometer can record the max value, and min value, In addition, the digital counter also has functions such as data hold and automatic shutdown. HD Backlit DisplayTachometer has a high-definition LCD backlit display, allowing you to read clearly even in dark conditions. Wide ApplicationTachometer can be widely used in motor, fan, paper, plastic, chemical fiber, washing machine, automobile, aircraft, ship and other manufacturing industries. Specifications: Model: TA500A, TA500B, TA500C (Optional) Measurement Methods: Non-contact / Contact / Non-contact and Contact (Optional) Material: ABS Range: TA500A: Non-contact: 3~100000RPM TA500B: Contact: 3~19999RPM, 0~99999m, 0~1999.9m/min, 0~9999.9ft/min TA500C: Non-contact Type: 3~100000RPM Contact Type: 3~19999RPM, 0~99999m, 0~1999.9m/min, 0~9999.9ft/min Accuracy: TA500A: (0.05%F S+1RPM) TA500B: (0.1%F S+1RPM), (0.1%F S+0.2m), (0.1%F S+0.2m/min), (0.1%F S+0.6ft/min) TA500C: Non-contact Type: (0.05%F S+1RPM) Contact Type: (0.1%F S+1RPM) Resolution: TA500A: RPM: 100000.1, RPM: 10000:1 TA500B and TA500C: RPM: 100000.1, RPM: 10000:1, m: 10000 : 0.1, m: 10000 : 1, m/min: 200 : 0.1, ft/min: 1000 : 0.1 Display: 6 digits, max 99999 Effective Measuring Distance: 50mm~500mm Sampling Time: 0.8s (above 60 rpm) Working Enviroment: -10~50,max 80%RH, indoor altitude2000m Storage Enviroment: -10~50,max 70%RH (battery removed) Power: 2 x 1.5V AAA (R03 / LR03) (Not included) Item Size: 146 * 59 * 29mm / 5.75 * 2.32 * 1.14in Item Weight: 120g / 4.23oz Package Weight: 188g / 6.63oz Package Size: 20 * 7.5 * 4cm / 7.87 * 2.95 * 1.57in Package List: 1 * Digital Tachometer 2 * Reflective Tape 4 * Accessories 1 * User Manual (English) Many Questions about Services Are As Follows: 1.How many orders can you handle per day? we are a large company in Shenzhen,China,with a large warehouse that can handle large orders everyday.We send out countless parcels everyday.We can guarantee the order you request. 2.How fast can you process orders? We will arrange shipment as soon as possible after you pay the order.Priority delivery for order 3.Could you ship order without any receipts,invoices and promotional offer inside the package? Absolutely!No invoices,receipts,promotional offer if you leave notes on the order(if you want,we can provide.) 4.If you need other products? We can provide most products you need as much as possible1 If you have any other questions,please feel free to contact us. We are very grateful to cooperate with you. 5.We can support CSV/Excel File . 6.There is no limited stock to fulfill the orders on a daily basis