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KMT - Kraus Messtechnik GmbH 

Gewerbering 9, D-83624 Otterfing, Germany, 

 08024-48737, Fax. 08024-5532 

Home Page:  http://www.kmt-telemetry.com, Email:  info@kmt-telemetry.com 

 

 

 

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INSTRUCTIONS FOR QUALIFIED PERSONNEL ONLY! 

 

Summary of Contents for RPM-8000-PRO

Page 1: ...Otterfing Germany 08024 48737 Fax 08024 5532 Home Page http www kmt telemetry com Email info kmt telemetry com O Op pe er ra at ti in ng g i in ns st tr ru uc ct ti io on ns s R RP PM M 8 80 00 00 0 P PR RO O INSTRUCTIONS FOR QUALIFIED PERSONNEL ONLY ...

Page 2: ...ital pulse train and an analog voltage signal These signals are per design linear to the alternator RPM and by the linear drive belt relationship also to the engine RPM The scaling factor can determined by the relation between the effective diameters of the engine and the alternator pulleys Accuracy Next diagram shows a part of a test measurement of a famous German automobile manufacturer The RPM ...

Page 3: ...of 2000 rev min drive e g in the 2 gear and had hold 2000 RPM which can be monitored by the automotive tachometer By pushing the Cal Int button and keep the button pressed until the red LED stops flashing and is permanently illuminated External calibration option A laser RPM RPM LASER CAL is needed for this option A reflector tag is mounted on the main belt disc and scanned by laser beam The TTL o...

Page 4: ...tton is pressed TTL out output Divider for digital output 1 1 or 8 1 or 16 1 For example 4000 Hz TTL at div 1 position 500 Hz TTL at div 8 position 250 Hz TTL at div 16 position SYNC OK LED Lights up when RPM8000Pro is synchronized with the engine speed Analog output 0 10V Connection for LASER RPM tachometer Don t press the CAL button during external calibration Self detection of EXT Cal input Dig...

Page 5: ...on the RPM 8000 PRO Point the laser beam at the reflector tag at an angle of about 90 The RPM 8000 PRO is calibrated when both the laser and the RPM 8000 PRO show the same speed the red LED stops flashing and the green LED is permanently illuminated The calibration data is stored permanently in the device and therefore is not lost when power is turned off The data is only overwritten when the devi...

Page 6: ...Version 2012 10 6 Technical Data are subject to change without notice RPM Laser CAL general function 2 1 ...

Page 7: ...Version 2012 10 7 Technical Data are subject to change without notice RPM Laser CAL general function 2 2 ...

Page 8: ...ed off The calibration value is only deleted if the Cal Int button is pressed again the old calibration value is then replaced by the new value The same applies to external calibration The actual engine speed appears on the screen and the analog output returns 1V per 1000 rev min During calibration and during the entire test you should turn on all resistive loads such as lights and rear window hea...

Page 9: ...utput If the voltage tracks the engine speed synchronously the device is functioning properly on your vehicle Trouble shooting The use of cigarette lighter sockets in the rear seating area or in the car trunk in some vehicles can cause additional interference noise to be injected into the long line routes You should therefore repeat the test at the socket on the dashboard or on the driver s consol...

Page 10: ...Displays LCD screen 4 position for engine speed frequency or conversion factor frequency engine speed LED red Power LED green Synchronization OK LED yellow Number of pulses per revolution LED red Calibration OK Rotary switch frequency divider 1 1 1 8 or 1 16 TTL Div for TTL out Red button start internal calibration Yellow button show the number of pulses per revolution is indicated by pressing the...

Page 11: ...ng 9 D 83624 Otterfing Germany 08024 48737 Fax 08024 5532 Home Page http www kmt gmbh com Email info kmt gmbh com R RP PM M8 80 00 00 0P PR RO O T Te es st t s si ig gn na al l o ou ut tp pu ut t Connection Test cable Mini Lemo 2 pol to BNC You can use the same cable what delivered with LASER CAL Test Point ...

Page 12: ...ge without notice Signal measure at 1300 RPM Direct connection on car Battery via adaptor 0 5V DIV Time 0 5ms DIV Connection direct on battery Less noise Signal is very good and RPM8000PRO works Value 500mV DIV 0 5ms DIV about 2000Hz Signal must be 200mV ...

Page 13: ... Technical Data are subject to change without notice Signal measure at 1300 RPM connection on car cigarette lighter More noise but Signal is still OK and RPM8000PRO works 0 5V DI V Time 0 2ms DIV 0 5V DIV Time 0 5ms DIV ...

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