Qrotech QRO-402 Operating Manual

Qrotech QRO-402 Operating Manual

Automotive emisson analyzer

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AUTOMOTIVE EMISSON ANALYZER
QRO - 402
OPERATING MANUAL

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Summary of Contents for Qrotech QRO-402

  • Page 1 AUTOMOTIVE EMISSON ANALYZER QRO - 402 OPERATING MANUAL...
  • Page 2 QRO-402 OPERATING MANUAL...
  • Page 3: Notes For User

    To use this analyzer with safety and effectiveness, please read this manual before usage. This manual applies to the product model QRO-402(4/5gas analyzer). 1. This manual should be referred with regard to the product design and safety assurance of the configuration.
  • Page 4: Table Of Contents

    Chapter 2. Safety Instruction 2-1 Usage purpose ................6 2-2 Usage condition ................6 2-3 Caution and warning ..............6 Chapter 3. Introduction of QRO-402 3-1 Specification ................7 3-2/3 Front view and description ............8 3-4 Rear view and description ............9 3-5 Basic accessory and option ............10 Chapter 4.
  • Page 5: Chapter 1. Quality Guarantee Provision

    QRO-402 Chapter 1. Quality Guarantee Provision 1-1 Guarantee provision If the product is handled according to this manual but there occurs a failure within the guaranteed period, it will be repaired free of charge by our company. However, the compensation from the secondary damage and the following cases...
  • Page 6: Chapter 2. Safety Instruction

    QRO-402 Chapter 2. Safety Instructions 2-1. Purpose of usage This analyzer is a equipment to measure the gas emission density of an automobile enabling to diagnose the automobile status and its preventive maintenance so that it can provide a function to prevent the air pollution in advance.
  • Page 7: Chapter 3. Introduction Of Qro-402

    QRO-402 Chapter 3. Introduction of QRO-402 3-1 Specification QRO-402(4/5GAS) HC, CO2, O2, λ (air surplus rate), AFR, Measuring item NOX (optional) CO, HC, CO2 : NDIR Method Measuring method O2, NOx : Electrochemical Cell Measuring range 0.00 ~ 9.99% 0 ~ 9999 ppm Resolution 0.01%...
  • Page 8: 3-2/3 Front View And Description

    QRO-402 3-2/3. Front view and description QRO-402 3-3-1 CO display window This displays the CO density and program proceeding status. 3-3-2 HC display window This displays the HC density and program proceeding status. 3-3-3 CO2 display window This displays the CO2 density and program proceeding status.
  • Page 9: Rear View And Description

    QRO-402 3-4 Rear view and description 3-4-1 CAL(Calibration) This is a gas inflow gate used in time of standard gas adjustment. 3-4-2 INLET This is a measuring inlet where one end of the probe mounted into this inlet in time of gas emission measurement.
  • Page 10: Basic Accessory And Option

    QRO-402 3-5 Basic accessory and option 3-5-1 Basic accessory 3-5-2 Option OPERATING MANUAL...
  • Page 11: Chapter 4. Installation Method And Notes

    QRO-402 Chapter 4. Installation Methods and Notes 4-1 Installation 4-1-1 Fit end of the probe hose into the measuring probe and the other end of the hose into the gas inlet in the rear of the analyzer. If the fitting condition is not good and the air comes into flow from outside, it may yield an incorrect measured value.
  • Page 12: Notes

    QRO-402 4-2 Notes ▶ ▶ ▶ ▶ This analyzer is operated with AC110V only or AC220V only. Please verify the power source before use. (Note that you can not change power source which is fixed upon supplying this analyzer.) ▶ ▶ ▶ ▶ The following factors should be considered to properly locate the analyzer...
  • Page 13: Chapter 5. Fault Diagnosis And Troubleshooting

    Please check the main filter housing's nipple is blocked. Press the Purge key to clean the inside Zero ERR of QRO-402 with a clean air for about Is remaining gas in the analyzer? (Zero Calibration error) 2-3minute. Verify again the connection...
  • Page 14: Chapter 6. Measurement Mode

    QRO-402 Chapter 6. Measurement Mode Power ON Initialization Process (10 seconds) Self Diagnosis Warming up (between 2 and 8 minutes) Zero Calibration (20 seconds) STAND-BY Measurement Ready State 6-1. Measurement ① Place the probe in the clean air to perform the [ Zero calibration ].
  • Page 15: Key Functions

    ENTER key again to measure the exhaust gas for more than 30 minutes. ③ Pull the probe out of the exhaust outlet of the vehicle. Then clean the inside of QRO-402 with the clean air by pressing the PURGE key until the measurement values drop to 0.
  • Page 16: Leak Test

    QRO-402 6-3. Leak test A function that looks for any possible air leakage from the sample-cell in order to indicate the exact result. ① Press the MENU key once in the stand-by mode to select the Leak Test mode. λ...
  • Page 17: Selection Of Fuel

    QRO-402 6-4. Selection of fuel This is the function that selects fuel for testing vehicle. It is used to calculate air surplus rate (λ ) and AFR. This analyzer can select the fuel such Gasoline, LPG, CNG, and Alcohol. GASOLIN ALCOHOL ①...
  • Page 18: Nox Setup

    QRO-402 6-5. NO setup It is a function selecting where to attach NO sensor. ① Press MENU key for eight times in standby mode. λ AFR/NO (When it is set up to NO display) ② ▲ key changes display to YES or to NO.
  • Page 19: Standard Gas Calibration

    Note QRO-402 is converted into the standby mode unless you convert into other modes within 30 seconds during the standard gas calibration. If you decide that the standard gas calibration is in the wrong process, press [ESC] key to restart the process.
  • Page 20 QRO-402 ② Press MENU key nine times. ENTER ZERO PURGE PRINT MENU ③ The following message is indicated. QRO-402 operates according to the ▼ ▲ ENTER printed on the upper part of each key. λ AFR/NO ④ Press ENTER key in the above state. The [Zero calibration] starts automatically for once.
  • Page 21 QRO-402 ⑤ When the [Zero calibration] is completed, the values will be indicated on the indication window as shown and the value in the first digit will blink. λ AFR/NO ⑥ The ▲ key makes the blinking number increased. After the setup of the required ▼...
  • Page 22 [Zero calibration] and returns to the standby mode. ⑨ If the gas calibration fails, the message [FAIL] is indicated on each concerned window. Press the ENTER key. QRO-402 will perform the [Zero calibration] and will return to the standby mode. λ AFR/NO (It is succeeded in HC and CO2 calibration but failed in CO, O2 calibration.)
  • Page 23 QRO-402 OPERATING MANUAL...
  • Page 24 QRO-402 Techno- - - - park 201 Techno park 201- - - - 9 9 9 9 06 06 Yakdae Yakdae- - - - dong, Wonmi dong, Wonmi- - - - gu, Techno Techno park 201 park 201 Yakdae Yakdae...

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Qro-401Qro-201/2

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