Full range of highly accurate meters to measure the opacity of diesel engines under SAE J1667 and many different test criteria:
- Portable equipment for vehicles: trucks, busses, cars... even locomotives!
- In-line systems for use in engine dynamometer systems.
- Transmissometers used in the stacks of ships and industrial applications.
In-Line System
New easy calibration and alignment. Surface mount and micro-processor technology.
- Path length 22 inches to 6 foot (maximum)
- Multiple retransmission outputs, 4-20 mA standard
- Output in opacity, 0-100%
- Corrects for ambient temperature and various levels of ambient light
- Analog output and reset switch at the stack for diagnostics and alignment
- Performs self-calibration and diagnostics
Model 6500: Full Flow and Partial Flow
Perform “snap idle” or test under load with this lightweight portable unit.
- Highly Reliable and Accurate
- Easy to Operate
- Low Maintenance
- Very Light and Portable
- Available in Export Version (220 V)
Model 7500: Full Flow and Partial Flow
The software provides simple screen prompts to step the user through the process. Fully equipped for SAE J1667 plus rolling and stall test. Many other special features. Three live sensor input connections with three additional available for future expansion.

