Safety Precautions - Raytech WR14 Instruction Manual

1 Safety Precautions

The following safety precautions must be observed during all phases of operation, service,
and repair of this instrument. By purchasing this equipment the purchaser assumes all
liability for the operation and use of this equipment. The intended use of the instrument, its
design and manufacture, is to be conducted within the precautions or other specific warnings
located within this manual. Failure to comply with these precautions and other specific
warnings violates safety standards of design, manufacture, and intended use. Raytech USA,
Inc. assumes no liability for the operation and use of this equipment.
SAFE OPERATION
Only qualified knowledgeable persons should be permitted or attempt to operate this test
equipment. All test personnel should fully familiarize themselves with the correct application
and operation of this and all test equipment prior to operation. Persons directly and indirectly
engaged in the operation of this test equipment should keep clear of all high voltage
apparatus while conducting tests and measurements.
WARNING!
 Never connect the instrument to an energized transformer.
GROUND THE INSTRUMENT
The power cord supplied with the equipment must be connected an electrical receptacle with
an electrically grounded terminal (Earthed Ground). To minimize shock hazard, the Ground
Terminal on the instrument must be properly connected to an Earth grounded point. In many
cases, the quality of the safety ground terminal provided by the power cord does not fulfil the
safety requirements.
Non grounded instruments are dangerous and may cause Personnel and instrument
damage.
BEFORE APPLYING POWER
Read this manual carefully before operating the system. The WR14 is battery operated, the
WR50-12 and the WR50-13 are line operated. They operate from a wide range power input
from 90 to 264Vac and 47...63Hz with automatic ranging.
Instruction Manual Winding Resistance Meter
Page 4 of 85
Type WR50, WR14, Version 2.01