Digital Tachometer with 5 digit DT2234A-PHOTO TACHOMETER

Display: 5 digits, 18mm LCD displaying
Test Range: 2.5 to 99,999 RPM (r/min)
Resolution:
0.1 RPM (2.5 to 999.9 RPM)
1 RPM (over 1,000 RPM)
Accuracy: ±(0.05%+1 digit)
Sampling Time: 0.8 sec. (over 60 RPM)
Detecting Distance: 50 to 500 mm
Test range select: automatic
Memory: max. value, min. value last value
Time base: 6MHz crystal oscillator
Circuit: exclusive one-chip of microcomputer LSI circuit
Wide measuring range & high resolution
Low battery indication
Battery: 3 x 1.5V AA(UM3) battery
Power consumption: approx.40mA(operation)
Operation temperation: 0 to 50°C(32 to 122°F)
Size: 160 x 74 x 37mm
case pack:30 pcs
N.W:9KGS
G.W:10KGS
MEAS:35*34*29CM
Weight: around 200g(including batteries)