Protech DT2234A LCD Display 5 Digits Auto Range 2.5-99,999 RPM Non Contact Measurement Digital Tachometer Anemometer With Max/Min, Low Battery Indication

Feature:
Wide measuring range & high resolution
Digital display gives exact RPM with no guessing or errors
The last value/max, value/rain, value will be automatically stored in memory and can be displayed by turn anytime
The use of durable, long-lasting components, including a strong, light weight ABS-plastic housing assures maintenance free performance for many years. The housing has been carefully shaped to fit comfortably in either hand.

Specification:
Display：5 digits, 18mm (0.6-inch LCD screen)
Test Range：2.5 to 99,999 RPM (r/min)
Resolution：0.1 RPM (2.5 to 999.9 RPM) 1 RPM (over 1,00O RPM)
Accuracy：(0.05%+1 digit)
Sampling Time：0.8 sec.(over 60 RPM)
Test Range Select：Automatic
Memory：Last value, Max. Value,Min. Value
Detecting Distance：50 to 500 mm
Time Base： 6MHz Quartz crystal
Sampling time：0.5sec（over 120 RPM）
Range select：auto range
Circuit：Exclusive one-chip of microcomputer LSI circuit.
Battery： 4 * 1.5V AA
Power Consumption：Approx. 35mA (LED) Approx. 30mA (Laser)
Operation Temp.：0 to 50°C(32 to 122°F)
Size：160 x 73 x 470 mm
Weight：134g ( battery not indlucled)

Package include:
1* Digital Tachometer
3 x Reflecting tape marks
1 x User manual