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1、Motor Vehicle Exhaust Analyser Measuring CO, HC, CO2, NO in motor vehicle exhaust by undifferentiated infrared method and O2 by electrochemical principle. and calculating the value of excess air coefficient λ according to the measured values of CO, CO2, HC and O2.
2、Conforms to the national standard GB 18285-2018 “Emission limits and measurement methods for petrol vehicles (double idling method and simple working condition method)”.
3、Motor Vehicle Exhaust Analyser Applicable to motor vehicle inspection stations, automobile manufacturers, automobile repair shops, etc.
Product Features
☆ using imported optical testing platform of leading international brands.
☆ With automatic zero calibration function and high degree of automation.
☆ graphical design of the instrument interface, menu-based operation, more convenient to use.
☆ Reliable air pump and filtration system design, which can avoid the pollution of the sensor caused by long-term use.
☆ Communication with PC through RS-232 serial port.
☆Conform to the international standard ISO 3930 or OIML R99 00 class accuracy requirements.
Technical specifications
Error of measurement
| Gas types | Measurement range | Permissible error of value | |
| Absolute error | Relative error | ||
| HC | (0～2000)×10-6 | ±4×10-6 | ±3% |
| (2001～5000)×10-6 | —— | ±5% | |
| (5001～9999)×10-6 | —— | ±10% | |
| CO | (0.00～10.00)×10-2 | ±0.02×10-2 | ±3% |
| (10.01～14.00)×10-2 | —— | ±5% | |
| CO2 | (0.00～16.00)×10-2 | ±0.3×10-2 | ±3% |
| (16.01～18.00)×10-2 | —— | ±5% | |
| NO | (0～5000)×10-6 | ±25×10-6 | ±4% |
| O2 | (0.00～25.00)×10-2 | ±0.1×10-2 | ±5% |
| Note: The absolute and relative errors listed in the table can be satisfied by meeting one of the requirements. The repeatability of the indicated value is not greater than 1/3 of the absolute value of the maximum permissible error. | |||
Zero point drift and moment drift
| Components | CO | HC | CO2 | O2 | NO |
| Absolute error | ±0.02% | ±4×10-6 | ±0.3% | ±0.1% | ±25×10-6 |
| Relative error | ±3% | ±3% | ±3% | ±5% | ±4% |
Measuring range and resolving power
| Projects | CO（×10-2） | HC（×10-6） | CO2（×10-2） | O2（×10-2） | NO（×10-6） |
| Measurement range (volume fraction) | 0.00～14.00 | 0～9999 | 0.00～18.00 | 0～25.00 | 0～5000 |
| Resolving power (volume fraction) | 0.01 | 1 | 0.01 | 0.01 | 1 |
Other parameters
| Sensor response time | HC、CO、CO2 | NO | |
| T90 | 3.5s | 4.5s | |
| T95 | 4.5s | 5.5s | |
| T10 | 3.7s | 4.7s | |
| T5 | 4.7s | 5.7s | |
| Warm-up time | 30min | ||
| Oil temperature indication error | ±2℃ | ||
| Environmental conditions | Pneumatic pressure | 75.0 kPa～110.0kPa | |
| Temperature | -5℃～45℃ | ||
| Humidity | ＜95% | ||
| Working power | AC 220V±22V，50Hz±1Hz | ||
| Power rating | 110W | ||
| Dimensions | Length x Width x Height | 550 x 485 x 230 Unit: mm | |
| Instrument weight | Approx. 15kg | ||
Related content:Motor Vehicle Exhaust Testing Equipment
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