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6500+ Smoke Opacity Meter

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The 6500+ is a seamless transformation from our dependable system of the past. Featuring a totally refreshed internal design with the latest components and technologies, the 6500+ provides a reliable, accurate portable system with exceptional customer service into the future. 


The Model 6500+ accurately detects, measures, and provides a visual read-out of the opacity of smoke emitted by diesel engines. In addition, it is an excellent indication of the combustion efficiency of the vehicle, encouraging maintenance for greater fuel efficiency.

The system complete with a PC interface cable and software set, that allows the user to download stored test results to a PC for archiving or printing. You may print results on 8 1/2 x 11 letterhead with your company logo and address, to encourage repeat business from your customers.

The interface program also contains an easy to use ambient correction calculator to adjust opacity readings taken in higher elevations.

All Wager meters are designed and manufactured under the Robert H. Wager Company name only.

  • SAE J1667 Compliant

  • Reliable

  • Accurate

  • Easy to Operate 

  • Low Maintenance


Model 6500 Smoke Meter Complete Includes:
(Part No. 194-6500C)

  • Control Unit with recorder jack, printer interface

  • Stack Piece (7") source and detector

  • Mounting Clamp Magnet and Band (for 5" Ø stack)

  • AC Adapter/Charger

  • Connecting Cable (25')

  • CPU Interface (software included) Win XP, Vista, Win 7

  • Neutral Density Filter (.2)

  • Portable Impact Printer 

  • Extension Pole

  • Instruction Manual

  • Carrying Case

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