Diesel Smoke Meter

Salient Features:

• Conforms to IS : 4553 - derived from ISO 6 4 : 999
• Measures smoke opacity of diesel vehicles in % opacity
• and K value
• Measurement principle : Partial flow, optics based on
• folded geometry
• Suitable for free acceleration test
• Engine RPM measurement - vibration sensor based and
• Battery based
• Engine oil temperature measurement
• Operates on 230V AC (or) 2V DC power supply
• Portable, Compact & light weight design, suitable for
• “Road tests” using vehicle battery
• Low & High voltage indication for battery operation
• Automatic Zero and Span calibration
• Automatic Pressure regulation and moisture separation
• Handheld, Menu driven LCD remote control unit
• Pass / Fail indication and emission limit in printout
• Vehicle no., vehicle specification, operator name and
• test data in printout
• RS232C serial port for PC interface

Technical Specification:

Measurement Parameters           Range          ResolutionOpacity                                0 – 99.9 %        0.10 %K-value                                0 – 9.99 m-1     0.01 m-1Linearity                               ± 0.1 m-1Repeatability                          ± 0.1 m-1Zero & Span drift                     ± 0.1 m-1Response time – Physical           < 0.4 secondsResponse time – Electrical          < 1 millisecondWarm up time @ 25ºC and above < 7 minutesEngine RPM (Battery based)          400 - 9990 RPM  10 RPMOil Temperature                         0 - 150º C           1º COperating Temperature                + 5°C to + 50°CSmoke measuring cell length         215 mm (430 mm folded length)Power supply                             12V DC ± 2V battery                                             100-265V AC, Single phase, 50-60 HzPower                                      300W AC / 100W DC (without heater)