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Instruction Manual

for

Proximity Exhaust Noise Measuring System (Wireless)

TYPE 8301A

ACO Co., Ltd.

Summary of Contents for 8301A

Page 1: ...Instruction Manual for Proximity Exhaust Noise Measuring System Wireless TYPE 8301A ACO Co Ltd...

Page 2: ...trument After reading all instructions keep this manual for quick reference Expressions of safety instructions WARNING Calls attention to a procedure practice or condition that could possibly cause de...

Page 3: ...ervice or repair is required Do not substitute parts or modify instrument It causes bodily injury fire or shock hazard Do not touch the plug of AC adaptor with wet hands It causes shock hazard Stop us...

Page 4: ...lace shaky table or sloping place If the instrument falls down it is very dangerous Do not expose the instrument to moisture or dust It causes fire or shock hazard Do not put heavy objects on the inst...

Page 5: ...l objects come in contact with and terminals 3 Do not use the system near any device that produces electrical noise It may cause malfunction 4 When the car battery 12 V is used as a power source for t...

Page 6: ...he main body are touching the ground shelf vertical horizontal 14 There will be version update for the software of the Proximity Exhaust Noise Measurement System for improvements of measurement accura...

Page 7: ...SUREMENT FLOW 10 6 2 CONNECTION OF THE SYSTEM INSTALLATION 12 6 3 REMOVAL OF OPERATION PART WIRELESS 13 6 4 SETTING OF PRINTER PAPER 13 6 5 REMOVAL OF THE SOUND VOLUME METER FOR USING THE SOUND VOLUME...

Page 8: ...ng the sound level at a position rear outside 45 degrees and 0 5 m from the exhaust pipe while after keeping the rotation speed measurement rotation speed obtained from the engine rotation speed speci...

Page 9: ...attery for operation part 4 ea Battery charger 1 ea Stand 1 ea Arrow mark case 1 ea Microphone carrying case 1 ea Microphone stand carrying case 1 ea Accessories case 1 ea Instruction manuals Proximit...

Page 10: ...for not adjusting the polarity This is used for the change of polarity of the input pulse depending on the engine type Sensor The lamp blinks at a certain constant pace when the rotation pulse input...

Page 11: ...ing it Battery level indicator Displays the remaining level of the battery of the main body Charge as soon as possible when it is medium When it is at low charge the battery before using the system La...

Page 12: ...will be started In the case of measurement method B lamp will be lit after completion of the 3rd measurement and printing will be started Reprint of the same data is possible by pressing the switch Me...

Page 13: ...Connector for AC power input 5 2Tachometer monitor Background noise Lamp will be lit while the background noise is being measured 1st Lamp will be lit while the 1st measurement of the background noise...

Page 14: ...9 5 3 Arrow mark Shall be level with the ground Arrow mark Windscreen Microphone Microphone stand CAUTION Be sure to attach the wind screen to the microphone...

Page 15: ...ensor at a suitable position AVL sensor can be used for diesel engine as well When using the pulse sensor insert it into the high voltage cable for the spark plug Set the external monitor where it is...

Page 16: ...Set the magnet of the sensor to the metal part for detecting the engine vibration When normal revolution signal is detected while idling LED on the upper part will change the color from red to yellow...

Page 17: ...fixing brackets Put the main body of the Proximity Exhaust Noise Measurement System wireless on the table of the stand Fixing screws 4 places for fixing bracket Top view Hook the fixing brackets 2 ea...

Page 18: ...yed and the system becomes inoperable Install the operation part wireless to the main body and turn ON the power again 10 minutes after the removal of the operation part wireless the display will go t...

Page 19: ...on the right side Loosen fixing screw and remove the sound volume meter Remove communication cable and microphone cable sound level meter front face connector and use individually To install the sound...

Page 20: ...n as possible Low Battery level is insufficient Charge the battery before use Remaining battery level right after the delivery or after long storage for more than 1 month will be very low Charge the b...

Page 21: ...display turn to stand by screen Power ON Check battery voltage NO NO YES YES Battery level very low Connection with sound volume meter SV6224 Charge the re chargeable battery of the operation part wir...

Page 22: ...will be updated every 1 minutes With the input of the revolution signal buzzer will beep regularly and the sensor lamp will blink regularly at the same time If the buzzer does not beep regularly it me...

Page 23: ...unction switch 3 Move the cursor to the revolution speed to change by and select desired value using switches With switch after 9 is 0 to carry the digit and the number in the next digit is carried by...

Page 24: ...er of cylinders P4C 12 Compatible with 2 cylinders P4C 2 16 cylinders P4C 16 P4C 8 P4C 6 P4C 5 P4C 4 P4C 3 P4C 2 P2C 2 When primary signal of 2 cycle 2 cylinders engine is connected P2C 1 When primary...

Page 25: ...old using switches and press SET switch When 1 is selected engine revolution speed LED 1 will be lit when 2 is selected LED 2 will be lit and when 3 is selected 3 will be lit and set as the idling sta...

Page 26: ...gine 3 S4C1 4 cycle engine secondary side S2C1 2 cycle engine secondary side AVL4 AVL sensor 4 multiplication AVL2 AVL sensor 2 multiplication AVL1 AVL sensor 1 multiplication P4C16 4 cycle 16 cylinde...

Page 27: ...manual for the sound level meter If the revolution speed indication is not within the range of 2000 rpm 10 rpm there is a possibility of some anomaly Contact distributor for check calibration 3 Finis...

Page 28: ...he engine and install the AVIL sensor to the clamp Run the warmed up engine at idling speed and after 3 to 20 seconds the LED of the AVL sensor will be lit in yellow If the LED is not lit in yellow co...

Page 29: ...2 Cautions for handling Confirm that cores are contacting closely with each other Pinch the low voltage primary side cable of the ignition coil for IP 292 high voltage secondary side cable of the igni...

Page 30: ...turned OFF 1 Start background noise measurement Press Background noise switch Measurement of background noise will be started LED blinks and the measurement will be finished after 10 seconds 2 Finish...

Page 31: ...easurement of background noise will be started LED blinks and the measurement will be finished after 10 seconds The result of background noise measurement will be displayed for 1 second LED of Measure...

Page 32: ...n the accelerator again until the LED 4 position If the revolution speed is held for 5 seconds engine revolution speed indicator LED 4 and Measurement 1 LED will blink and Slow Down will be displayed...

Page 33: ...ressed the measurement will return to Measurement 1 If Function and SET switches are pressed at the same time measurement will be stopped Cansel will be displayed and return to stand by screen Step on...

Page 34: ...turned ON the print will be without numerical value If the measurement was stopped by pressing Function and SET switches at the same time data will be deleted 1 Measurement of background noise engine...

Page 35: ...the revolution speed is decreased during the revolution holding period of 1 second Reset ACC will be displayed Release the accelerator and step on the accelerator again until the LED 4 position If th...

Page 36: ...easurement If Measurement 1 switch is pressed the measurement will return to Measurement 1 If Function and SET switches are pressed at the same time measurement will be stopped Cansel will be displaye...

Page 37: ...pectively If Function and SET switches are pressed at the same time measurement will be stopped Cansel will be displayed and return to stand by screen Step on the accelerator gradually until the revol...

Page 38: ...ary again press Print switch to print the result of measurement made immediately before 3 If there is no measurement data exists No Data will be displayed 4 During the printing if the printing paper i...

Page 39: ...asurement of background noise 5 Processing of measured data Measurement method A Calculate arithmetic mean value of the maximum sound level measured two times The first and second measured values are...

Page 40: ...Compatible vehicle type 2 cycle 4 cycle gasoline engine vehicle rotary engine vehicle Revolution speed detection range 500 9 999 rpm Sound vibration type AVL DiTEST Speed 2000 Utilize sound and vibra...

Page 41: ...han 300 rpm 2 Lit at more than 1 2 and less than 2 3 of the set revolution speed 3 Lit at more than 2 3 less than minus tolerance range of the set revolution speed 4 Lit at within the range of toleran...

Page 42: ...ght main body Approx 350 mm D 350 mm W 180 mm H approx 10 kg 20 Operation control display part construction Integrated singled body construction with wireless system remote control is possible by remo...

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