1
Safety Summary
The following safety precautions are
applicable to both operating and
maintenance personnel and must be
observed during all phases of operation,
service, and repair of this instrument.
DO NOT OPERATE IN A FLAMMABLE OR
EXPLOSIVE ATMOSPHERE
Do not operate the instrument in the
presence of much dust, direct sunlight, high
humidity, strong electromagnetic radiation,
etc.
NON-PROFESSIONALS SHUOLD NOT OPEN
THE REAR COVER
Maintaining, substituting parts or adjusting
the instrument should be made by
professional maintenance personnel. Please
contact relevant distributor or Tonghui’s
after-sale service department.