Specifications (cont.)
Certification and Compliance
Certification TREK, INC. certifies that each
Model 156A is tested and calibrated to
specifications using measurement
equipment traceable to the National
Institute of Standards and Technology or
traceable to consensus standards. A
Certificate of Calibration accompanies
each instrument when it is shipped from
the factory.
Low Voltage Safety Compliance EN 61010-1
Overvoltage Category CAT I: Peripheral level outputs (less than
60 volts).
Pollution Category Degree 1: Operate in environments where
no pollution or only dry, nonconductive
pollution occurs.
IV - 6
Specifications