MKS 651D Series, User Manual, Page: 16 / 162

Safety Procedures and Precautions Safety Information
4
USE THE PROPER POWER SOURCE
This product is intended to operate from a power source that does not apply more voltage
between the supply conductors, or between either of the supply conductors and ground, than
that specified in the manual.
USE THE PROPER FUSE
Use only a fuse of the correct type, voltage rating, and current rating, as specified for your
product.
DO NOT OPERATE IN AN EXPLOSIVE ENVIRONMENT
To avoid explosion, do not operate this product in an explosive environment unless it has been
specifically certified for such operation.