Calibration device for engine speed measuring instrument

NegotiableUpdate on 05/12

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The indicators of the engine speed measuring instrument calibration device meet the parameter requirements for the engine speed measuring instrument calibration device in JF1375-2012 "Calibration Specification for Motor Vehicle Engine Speed Measuring Instruments".

Product Details

1、 Product Introduction:

Calibration device for engine speed measuring instrumentIt is specialized for outputting four standard speed signals: high-voltage ignition pulse, voltage pulsation, low-frequency vibration, and reflected light signalCalibration device for engine speed measuring instrumentIt can be used by metrology departments at all levels, engine manufacturers, universities, and research institutions to calibrate engine speed measuring instruments. The indicators of this instrument meet the requirements of JF1375-2012 "Calibration Specification for Motor Vehicle Engine Speed Measuring Instruments"Calibration device for engine speed measuring instrumentThe parameter requirements.

2、 Technical parameters:

1. Internal crystal oscillator: 10MHz, relative frequency deviation better than 5x10

2. High voltage ignition pulse signal output range and error: 500~6000, MPE:+1r/min;

3. Voltage pulsation signal output range and error: 500~6000, MPE:+1r/min;

4. Engine vibration mode output range and error: 500~6000, MPE:+1r/min; E、 Output range and error of reflected light signal mode: 500~6000, MPE: ± 1r/min.

3、 Product features:

1. By generating high-voltage ignition pulse signals, the speed measuring instrument based on the engine ignition pulse method can be calibrated;

2. The use of signal modulation technology to generate voltage ripple signals can calibrate speed measuring instruments based on generator ripple mode

3. The use of modal exciters to generate low-frequency vibration signals can calibrate speed measuring instruments based on engine vibration modes;

4. The use of modulated light technology to generate reflected light signals can calibrate speed measuring instruments based on reflected light signals.

same kindCalibration device for engine speed measuring instrumentProduct comparison:

▲ Function Description

1. Simulate the ignition state of a car and output a stable and accurate ignition signal source, and based on the selected number of cylinders and stroke ratio,

Output the appropriate speed, and the speed range output by this device covers the range of all the tested meters

2. Enter the speed value freely on the keyboard. You can also scan according to a certain program and stay at each speed point for sufficient calibration time. 3. Set the pulse number to 8 levels and select Pulse/R

4. Set the frequency output port for frequency traceability.

▲ Performance indicators

1. Range of ignition signal (corresponding speed value): 10-20000 r/min

2. Resolution: 1 r/min

3. Accuracy of reference frequency: 1 × 10-5

4. Accuracy of ignition signal: 2 × 10-5

5. Ignition signal stability: 2 × 10-5

6. Choose Pulse/R (corresponding to the number of cylinders and strokes selected by the inspection table) for each revolution, with a total of 8 levels:

1/2, 1, 3/2, 2, 5/2, 3, 4, 6

7. Automatic scanning rate: pause for 15 seconds per value

8. Total power: 40W

▲ Applicable checklist

1. Induction tachometer for gasoline engines, such as:

SE-1100 (Ono, Japan), TES-1550 (Taiwan, China, China), HZJ-1100 (Shanghai), STK250 (South Korea), etc

2. Automobile multimeter (speed function)

For example: UT106 (Hong Kong) DY220 (Shenzhen)