Digital Tachometer measures rpm, linear speeds, and length.

Press Release Summary:

Model No. 21F24 can be used as contact or non-contact (optical) tachometer and operates for 40 hr on 2 AA batteries. When used as optical tachometer, unit can measure up to 100,000 rpm from up to 14 ft away. As contact tachometer, with standard accessories, it can measure up to 25,000 rpm or equivalent in YPM, MPM, FPM, and IPM. Same unit can also measure length in yards, meters, feet, and inches and offers memory recall of Last, Max, or Min readings.

Original Press Release:

New Laser Contact/Non-Contact Tachometer Measure RPM, L inear Speeds and Length Measure RPM from 14 Feet

Kernco Instruments Co., Inc., is pleased to introduce its Catalog No. 21F24 digital tachometer that combines two units in one. It can be used as a contact type of as a non-contact (optical) tachometer. When used as an optical tachometer (non-contact) it can measure RPM up to 100,000 RPM from a distance up to 14 feet from the target area. As a contact tachometer with its standard accessories it will also measure in RPM, YPM, MPM, FPM and IPM. It will also measure four length functions in yards, meters, feet and inches. Has memory features to recall last, maximum or minimum readings. Specifications: Range: 6-99,999 RPM (optical) 5-25,000 RPM (contact) Accuracy: ±1 RPM: 6-8,300 RPM, ±2 RPM: 8,300-25,000 RPM ±0.006% of reading ±1 digit (or 2 RPM max); 25,000-99,999 RPM Detection & Display: Detection: Laser Diode; Display Voltage Requirements: 2 "AA" 1.5 Volt Batteries Battery Life: 40 hrs. approx. Weight: 0.8 lb. (365 g) Dimensions: 6.6"L x 2.4"W x 1.8"H (167.5mm x 60mm x 46mm) Standard Accessories: Reflective tape, cone adapter, carrying case, NIST Certificate, 1 master wheel (6" circumference) and 200L adapter For additional information, write to: Kernco Instruments Co., Inc. 420 South Kenazo Avenue El Paso TX 79928-7339 Phone: 815-852-3375 Fax: 915-852-4084 Email: contact@kerncoinstr.com Internet: www.kerncoinstr.com Contact: John Kelly, Sales Director