SKF TKRT 20 - General Technical Data; Measurement Modes; Optical Measurement Specifications; Contact Measurement Specifications

6
SKF TKRT 20
2. Technical data
General
Display Inverting LCD Vertical 5 digit display
Displayed resolution Fully Auto ranging up to 0,001 digit or ±1 digit fixed
Memory Last reading held for 1 minute
Low battery indicator Yes
Auto Switch Off
After 1 minute
Measurement
Optical modes rpm and rps (also Count and Time interval)
Contact modes rpm and rps, metres, yards, feet, per min and
per sec
Count modes total revs, metres, feet, yards
Time interval in seconds between pulses (reciprocal rate)
Speed capture feature Maximum, Minimum or Average rate
Sampling time 0,8 seconds or time between pulses
0,1 seconds auto-selection in Max or Min
capture mode
Linear Speed 0,3 to 1 500 metres/min (4 500 ft/min) or
equivalent in seconds
Optical Measurement
Rotational speed range 3 to 99 999 r/min
Accuracy ±0,01% of reading ±1 digit
Measuring distance 50 mm to 2 000 mm (1.9 in.- 78.7 in.)
Angle of operation ±80°
Laser sensor 1 ™ built-in class 2 laser
Remote laser sensor Optional TMRT 1-56
Contact Measurement
Rotational speed range Max. 50 000 rpm for 10 sec
Accuracy ±1% of reading ±1 digit
Contact adaptors Included with rpm cone & removable metric
wheel assembly