Contact :
+ Units : rpm, m/min, ft/min, in/min, m/s
+ Range : 0 to 20 000 rpm
+ Accuracy :
30 to 20 000 : ±1% of reading ±1 rpm
+ Resolution : 1 rpm
Optical :
+ Units : rpm
+ Range : 0 to 60 000 rpm
+ Accuracy :
60 to 10 000 rpm : ± 0,3 % of reading ± 1 rpm
10 001 to 60 000 rpm : ±30 rpm
+ Resolution : 1 rpm
+ Display LCD : 4 line,
+ Size : 50 x 36 mm
+ Cable : length 0.45m, extension : 2.4m
+ Protection : IP54
+ Power : 4 batteries AAA 1.5 V
+ Weight : 340g
Supplied with : Optical tachometry probe (Ø 17 mm - length 195 mm) adjustment certificate, transport case, manual, A reflective tape, Tip of contact tachometry