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PPR 500
1. Safety Symbols
The following symbols may be seen on the user manual or recorder labeling.
2. Safety Notes and Precautions
1. The protective earth terminal should be connected first before any other con-
nection is made. To avoid making the recorder dangerous under fault condi-
tions, any interruption of the protective Earth conductor inside or outside the re-
corder is prohibited. Even in the case of a portable unit, the protective earth
terminal must remain connected if the recorder is connected to any hazardous
voltage.
2. Keep signal and supply voltage wiring separated from one another. If this is
impractical, use shielded cables for signal wiring. Double insulation should be
used for signal wiring when the recorder is being used with hazardous voltage.
3. Do not use the recorder where there is high vibration, or high magnetic field, this
could cause damage or error of measurement.
4. All maintenance or repairs should be carried out with power disconnected, to
avoid personal injury, or damage to the unit.
5. In areas with conductive pollution, adequate ventilation, filtering and sealing
need to be installed.
promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29
Caution
Protective Earth
DC Supply
E-Mail: office@promesstec.com I Internet: www.promesstec.com
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