CONSTANT RPM78 Contact/Non-Contact Laser Tachometer

Features
* Contact and non-contact modes in one instrument
* Easy to use
* Detecting distance for non-contact tachometer up to 100cm
* Wide measurement range of RPM up to 99999
* High resolution of 0.1 RPM
* Memory of record
* High accuracy and fast sampling time
Specification
Measuring Range :
* Non-Contact Tachometer : 5 – 99.999RPM
* Contact Tachometer : 0.5 – 19.999RPM
* Surface Speed : 0.05 - 1999.9m/min. | 0.2 - 6560ft/min
Resolution
* RPM : 0.1 RPM (< 1000rpm) | 1 RPM (≥ 1000rpm)
* Surface speed : 0.01m/min (< 100m/min.) | 0.1m/min (≥ 100m/min.) | 0.1ft/min (< 1000ft/min) | 1ft/min (≥ 1000ft/min)
Display : LCD, size 60 x 30mm, 5 digits with display unit
Accuracy : ±(0.05% + 1 digit)
Detecting distance : 5 - 100cm typically
Laser : Less than 1mW, class 2 laser diode, red wave length is 645nm approximately
Operating Temp. : 0 - 50°C (32 - 122°F)
Operating Humidity : < 80% RH
Memory : Last/maximum/minimum value
Battery : 4 x 1.5V (AA size)
Size : 215 x 75 x 38mm
Standard accessories : Batteries, Reflecting tape marks (600mm), RPM adapter (cone, funnel, surface speed test wheel), Instrcution manual, Warranty card