Item Type: Digital Tachometer
Model: DT2236B
Battery: 4 x 1.5V AA Battery (battery not included)
Screen: 5 digit large LCD display, with a word height of 18mm
Function: Wide measurement range and high accuracy. 10 new types of surface speed sensors, equipped with slots, can conveniently measure the speed and length of wires, cables, and ropes
Range:
Non Speed: 2.5-99999rpm
Speed: 0.5-9999 rpm
Line Speed (Metric): 0.05-9999 meters per minute
Resolution:
Non Speed: 0.1rpm (2.5-9999.9rpm); 1rpm (above 1000rpm)
Speed: 0.1rpm (0.5-999.9rpm); 1rpm (above 1000rpm)
Line Speed (Metric): 0.01 meters per minute (0.05-99.99 meters per minute); 0.1 meters per minute (over 100 meters per minute)
Sampling Rate: 0.8 seconds (above 60 rpm)
Low Battery Indication: Yes
Working Current: 50mA
Timing Accuracy: 0-50℃
Maximum Display: 99999
Operation Method: Conversion
Accuracy: ±(0.05%+1)
Effective Distance (): 50-500mm
Effective Distance (LED): 50-250mm
Memory Function: Maximum, minimum, final value
Size: Approx. 7.5 x 3.5 x 20cm / 3 x 1.4 x 7.9in

Package List：
1 x Tachometer
4 x Accessories
1 x User Manual
2 x Reflective Paper
1 x Black Bag