SKF TKRT 10 User manual

Instructions for use
Mode d’emploi
Bedienungsanleitung
Instrucciones de uso
Manuale d’istruzioni
Instruções de uso
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Инструкция по эксплуатации
SKF TKRT 10

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3SKF TKRT 10
Table of contents
EC Declaration of conformity ................................................................. 4
Safety recommendations....................................................................... 4
UK Declaration of Conformity ................................................................ 5
1. General features ............................................................................. 6
2. Technical data................................................................................. 6
3. Operation ...................................................................................... 8
4. Functions description ..................................................................... 8
5. Non-contact measurements particularities.................................... 10
Original instructions

4SKF TKRT 10
EU Declaration of Conformity
TKRT 10
We, SKF MPT, Meidoornkade 14, 3992 AE Houten, The Netherlands herewith
declare under our sole responsibility that the products described in these
instructions for use, are in accordance with the conditions of the following
Directive(s):
EMC DIRECTIVE 2014/30/EU
RoHS DIRECTIVE (EU) 2015/863
and are in conformity with the following standards:
EN 61 326-1:2013, EN 61 326-2-1:2013,
EN 61 326-1:2012, EN 61 326-2-1:2012.
The laser is classified in accordance with the EU norm EN 60 825-1:2014
Houten, The Netherlands, September 2022
Guillaume Dubois
Manager Quality and Compliance
Safety recommendations
• Always read and follow the operating instructions for use.
• Always wear safety goggles when using the tachometer.
• Never stare directly into the laser source.
• Never open the instrument and attempt to adjust the output of
the laser.
• Remove the battery when the instrument is not in use for an
extended period.
• All repair work should be taken care of by an SKF repair shop.

5SKF TKRT 10
UK Declaration of Conformity
TKRT 10
We, SKF MPT, Meidoornkade 14, 3992 AE Houten, The Netherlands herewith
declare under our sole responsibility that the products described in these
instructions for use, are in accordance with the conditions of the following
Directive(s):
Electromagnetic Compatibility Regulations 2016 (2016 No. 1091)
The Restriction of the Use of Certain Hazardous Substances in Electrical and
Electronic Equipment Regulations 2012 (2012 No. 3032)
and are in conformity with the following standards:
EN 61 326-1:2013, EN 61 326-2-1:2013,
EN 61 326-1:2012, EN 61 326-2-1:2012.
The laser is classified in accordance with the EU norm EN 60 825-1:2014
The person authorised to compile the technical documentation on behalf
of the manufacturer is SKF (U.K.) Limited, 2 Canada Close, Banbury,
Oxfordshire, OX16 2RT, GBR.
Houten, The Netherlands, September 2022
Guillaume Dubois
Manager Quality and Compliance

6SKF TKRT 10
1. General features
The SKF laser tachometer set TKRT 10 features a large LCD backlit display
that gives excellent visibility in most applications.
It provides fast and accurate Contact and Non-Contact rotational and surface
speed measurements of rotating objects.
It is supplied with 3x contact adaptors
for rpm and linear speed contact
applications.
Other features include 10 memories,
Maximum and Minimum and Average
speed modes.
2. Technical data
General
Display 5 digit LCD backlit display
Displayed resolution 0,1 r/min up to 10 000 r/min,
otherwise 1 r/min
Memory 10 readings memories
Low battery indicator Yes
Auto switch off After 15 seconds
Measurement
Optical modes r/min, hertz
Contact modes r/min, metres, inches, yards, feet, per min, hertz
Count modes Total revs, metres, feet, yards
Sampling time 0,5 seconds (over 120 r/min)
Linear speed 0,2 to 1 500 metres/min (4 500 ft/min)

7SKF TKRT 10
Optical measurement
Rotational speed range 3 to 99 999 r/min
Accuracy ±0,05% of reading ±1 digit
Measuring distance 50 to 500 mm (1.9 to 19.7 in)
Angle of operation ±45°
Laser sensor 1 × built-in class 2 laser
Contact measurement
Rotational speed range 2 to 20 000 r/min
Accuracy ±1% of reading ±1 digit
Contact adaptors Included with conical tip,
conical recess and wheel
Battery and power
Battery 1 × 9 V alkaline type IEC 6F22
Operation time 12 hours continuous use
Additional power source 6 V DC charging port
(charger not included)
Size and weight
Product dimensions 160 × 60 × 42 mm
(6.3 × 2.4 × 1.7 in)
Product weight 160 g (0.35 lbs)
Carrying Case
dimensions 260 × 85 × 180 mm (10.3 × 3.4 × 7.0 in)
Total weight
(incl. case) 680 g (1.5 lbs)
Operating requirements
Operating temperature 0 to 50 °C (32 to 122 °F)
Storage temperature –10 to +50 °C (14 to 122 °F)
Relative humidity 10 to 90% RH non-condensing
IP rating IP 40

8SKF TKRT 10
Case contents
1 × SKF Tachometer TKRT 10
1 × set of 3 × contact adaptors
1 × 9 V battery
1 × set of reflective tape
1 × printed instructions for use
Spare part
TKRT-RTAPE Reflective tape
TDTC 1/A General toolcase without inlay, size A
3. Operation
• Open the battery compartment cover and install a 9V Battery.
• Non-Contact:
Attach the self-adhesive reflective tape on the object whose rotational
speed is to be measured. The reflective tape should be placed as close to
the outer edge of the object to be measured as possible.
• Contact:
Select the contact tip the most suited to the application and connect it to
the tachometer using the contact adapter provided.
• Press the “MEAS” button. Point the laser spot at the object or bring
the contact probe to the object .
Read the measurement on the LCD display.
4. Functions description
In scan mode, the current measurement is displayed on the main display.
The main display will hold the last values until the tachometer automatically
turns off after 15 seconds.
Measurement Modes:
There are two measurement groups:
• Turn the instrument On by pressing the “MEAS” button.
• Press the “MODE” button to browse through the following modes:
RPM, rPm, HZ, M/M, I/M, F/M, Y/M.
• Press and hold the “MODE” button for 3 seconds to switch to the next
measurement group.
• Press the “MODE” button once to browse through the following modes:
REV, M, In, FT, Yd.

9SKF TKRT 10
• Once the correct mode has been selected, press and hold the “MEAS”
button to start measuring.
Record a measurement:
• Keep the “MEAS” button pressed.
• Press the “MEM” button once to record a measurement.
MAX measurements, MIN measurements, AVG measurements and
DATA measurements can be stored into a memory set.
The data number will then increase by one.
Retrieve a measurement:
• Press the “MEM” button to visualize the next measurement stored.
MAX measurements, MIN measurements, AVG measurements and
DATA measurements are available.
• Press and hold the “MEM” button to switch to next Data Set.
10 selectable data sets are available from DATA 0 to DATA 9.
Designation Description
RPM Non-Contact revolutions per minute measurements
rpm Contact revolutions per minute measurements
HZ Non-Contact /Contact frequency measurements
M/M Contact Meter per minute measurements
I/M Contact Inch per minute measurements
F/M Contact Feet per minute measurements
Y/M Contact Yard per minute measurements
REV Revolution measurements
M Length measurements in Meters
(Using the largest diameter wheel)
In In Length measurements in Inches
(Using the largest diameter wheel)
FT LT Length measurements in Feet
(Using the largest diameter wheel)
Yd Yd Length measurements in Yards
(Using the largest diameter wheel)

10 SKF TKRT 10
5. Non-contact measurements particularities
Reflective tape for non-contact measurement:
Cut the adhesive reflective tape provided into small squares and apply a
square to each rotating equipment
a) The non-reflective area must always be greater than the reflective area.
b) If the shaft is normally reflective, it must be covered with black tape or
black paint before attaching reflective tape.
c) Shaft surface must be clean and smooth before applying reflective tape.
Very Low RPM measurement:
When the rotation speed is very low, the user can attach more than one
reflective tape square to the rotating equipment.
The reading shown must then be divided by the number of reflective tape
squares used in order to obtain the real speed.
Note:
• When the battery is depleted a battery symbol will be displayed when the
“MEAS” button is pressed.
• Do not to allow any liquids or moisture to get inside the tachometer.