garage equipment--kinds of filter paper smoke meter used to measure exhaust smoke from diesel vehicles under free acceleration

SMN-1 smoke meter

Main functions and characteristics

SMN-1 Automatic Smoke Meter is a kind of filter paper smoke meter used to measure exhaust smoke from diesel vehicles under free acceleration state. It meets the requirements of GB 3847-2005 China Standard. A set of specially designed electrodynamic gas extracting system assures the air extraction accurate and the performance reliable. As it is equipped with microcomputer, the whole testing process is full automatization. Unique design of outer appearance makes operation easier, and display clearer. It is also equipped with analogue output interface and RS-232C digital serial communication interface, which makes the communication with external equipments more convenient.

Main specifications

Measuring range: 0 to 10 Rb

Air extraction: 330ml ±15ml

Suction time: 1.4s ±0.2s

Indication error: ±3%F.S.

Zero drift: ±2%F.S./1h

Repeatability error: ±2%F.S.

Warm-up time: 10min

Power source: AC 220V ±10% 50Hz ±1Hz

Weight: 20kg

Outer dimension:

330mm (width) x 215mm (height) x 520mm (depth)