Raytech USA, Inc.
All rights reserved. No portion may be reproduced without written consent
3
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.
BEFORE APPLYING POWER
Do not vary the input power source voltage level (IE..Connected to a variable AC power source).
The T-Rex and TR-Spy or Mark II auto-sense the input power from the mains plus from 100 to
240 vac 50/60Hz. Varying the input voltage will cause the test voltage to vary and result in a
higher or lower test voltage than indicated.
GROUND THE INSTRUMENT
To minimize shock hazard, the instrument chassis and cabinet must be connected to a properly
grounded receptacle. The power cord supplied with the equipment must be connected an
electrical receptacle with an electrical ground (safety earth ground). Non grounded instruments
are dangerous and may cause instrument damage
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
Do not operate the instrument in the presence of flammable gases or fumes.
KEEP AWAY FROM LIVE CIRCUITS
Operating personnel must not remove instrument covers. Component replacement and internal
adjustments must be made by qualified service personnel. Do not replace components with
power cable connected. To avoid injuries, always disconnect power, discharge circuits, and
remove external voltage sources before touching components.
DO NOT SUBSTITUTE PARTS OR MODIFY INSTRUMENT
Because of the danger of introducing additional hazards, do not install substitute parts or perform
any unauthorized modification to the instrument. Return the instrument to a Raytech USA
service department for service to ensure proper operation and that safety features are maintained.
Instruments, which appear damaged or defective, should be made inoperative and secured against
unintended operation until they can be repaired by qualified service personnel.