About CalTest Instsruments offers the highest quality of Smoke Opacity Meters on the market today. Since 1990,s, we have provided superior service to our customers and have assisted them in achieving their goals. Our 20 plus years of experience and commitment to excellence have earned us the reputat...

Services Specializing in SAE J1667 emissions testing of diesel engines and California certification of SAE J1667 testing and other types of emission testing! Testing in California only by Caltest staff at this time. INSTRUMENT & Parts SALES - Calibration - Training PRICE/RATES Model CalTest 1000...

Pricing / Parts / Accessories At CalTest Instruments, we've done our best to create a Web site that anticipates and satisfies our customers' needs. With that goal in mind, we've compiled a list of our smoke meter components and accessories. If you do not find what you are looking for here, contact C...

Home California Air Resources Board passed new emission laws for on- road heavy duty diesel trucks. If you're a California fleet operating company you are required to make necessary changes to your fleets to have clean emissions in order to stay in business over the next decade. CalTest Instruments ...