Proficiency Test Reference Lab:

Bagan's calibration laboratory uses NIST-traceable standards and is accredited by A2LA to perform a wide range of calibrations. Richard J. Bagan, Inc. establishes the reference values for the following proficiency tests:

Resistance #2
ohmSOURCE® OS-27

Temperature #2
Digital temperature controller with type J thermocouple input

Mass #1
Troemner Class S-1 mass set