Test plates with same absorber coating as the sensor. For testing that laser beam is not above damage threshold (1 such plate is included with sensor package).

5m molded cable to connect PPS / Quad electronic box to power meter or interface. Order along with sensor to receive this instead of 0.5m cable from electronic box.

The PE-C sensor protective cover safeguards the sensor from dust and damage when not in use. Designed for PE-C sensors without a diffuser, this accessory is included with the sensor but is also available for individual purchase. 

Customers that purchase the above items also consider the following items. Ophir-Spiricon meters and sensors include a standard manufacturers warranty for one year. Add a one year Extended Warranty to your meter or sensor, which includes one recalibration.