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1、Smoke Meter Adopting the measurement principle of taking style (shunt type) to measure the impermeability of motor vehicle exhaust.
2、TM-201 Transmissive smoke meter complies with the national standard GB 3847-2018 “Emission limits and measurement methods for diesel vehicles (free acceleration method and loaded deceleration method)”.
3、TM-201 Transmittance Smoke Meter it is suitable for use by environmental protection departments, motor vehicle testing stations, automobile manufacturers, automobile repair shops and other units.
Product features
☆ Smoke meter with “air curtain” protection technology to protect the optical system from contamination by exhaust fumes. Constant temperature control of the measurement chamber to prevent condensation of water in the exhaust air, which could affect the measurement results.
☆Smoke meter with real-time testing and free acceleration testing.
☆ With oil temperature testing function.
☆ Large LCD display with clear font.
☆Adopting graphic display with friendly interface.
☆The smoke meter is equipped with RS485 interface to communicate with external computer.
☆ Optional built-in micro printer.
☆Optional tacho analyser to measure engine speed.
Technical specifications
Measurement range
| Absorption ratio (Ns) | (0～99.9)% |
| Light absorption coefficient (K) | (0～16.08) m-1 |
| Rotational speed | (500～6000) r/min |
| Oil temperature | (0～200) ℃ |
| Flue gas temperature | (0～150) ℃ |
| Corresponding absorption ratio N measurement range is (0 to 98.6)% | |
Error of measurement
| Absorption ratio (Ns) | ±2.0% |
| Rotational speed | ±1% |
| Oil temperature | ±2℃ |
| Flue gas temperature | ±2℃ |
Resolving power
| Absorption ratio (Ns) | 0.1% |
| Light absorption coefficient (K) | 0.01 m-1 |
| Rotational speed | 1 r/min |
| Oil temperature | 1 ℃ |
| Flue gas temperature | 1 ℃ |
Other parameters
| Working conditions | Product specifications | ||||
| Pneumatic pressure | 60.0KPa~110.0KPa | Working power | AC 220V±22V，50Hz±1Hz | Power rating | 150W |
| Temperature | -5 ℃~50 ℃ | Upper unit size | 353×248×210 mm | Lower unit size | 525×170×332 mm |
| Relative humidity | ≤95% | Upper unit weight | Approx. 5.5kg | Lower unit weight | Approx. 7.5kg |
| Effective length of optical channel | 215 mm | Equivalent length of optical channel | 430mm | ||
Related content:Motor Vehicle Exhaust Testing Equipment
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