100mm GRAPHICS RECORDER TECHNICAL MANUAL
HA249875
Issue 1 Jan 99
Section i
Page i - 5
Safety Notes
1.
Whenever it is likely that protection has been impaired, the unit shall be made inoperative and secured against
unintended operation. The nearest manufacturer’s service centre should be consulted for advice.
2.
Any adjustment, maintenance and repair of the opened apparatus under voltage, should be avoided as far as possi-
ble and, if inevitable, shall be carried out only by a skilled person who is aware of the hazard involved.
3.
The Mains (supply voltage) wiring must be terminated in such a way that, should it slip in the cable clamp, the
Earth wire would be the last wire to become disconnected.
WARNING!
Any interruption of the protective conductor inside or outside the apparatus, or disconnection of the
protective earth terminal is likely to make the apparatus dangerous under some fault conditions. Inten-
tional interruption is prohibited.
4.
Where conductive pollution (e.g. condensation, carbon dust) is likely, adequate air conditioning/filtering/sealing
etc. must be installed in the recorder enclosure.
5.
This unit contains one or more batteries which must be treated and disposed of with care. In particular, batteries
must not be shorted or an explosion can occur. Batteries should be disposed of in accordance with local regula-
tions; they must not be discarded with normal refuse.
6.
Signal and supply wiring should be kept separate from one another. Where this is impractical, shielded cables
should be used for the signal wiring. Where signal wiring is carrying (or could carry, under fault conditions)
hazardous voltages *, double insulation should be used.
7.
If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment
might be impaired.
8.
For portable and panel mounting equipment, the protective earth terminal must remain connected (even when the
recorder is isolated from the mains supply) if any of the I/O circuits are connected to hazardous voltages*.
*
A full definition of ‘Hazardous’ Voltages appears under ‘Hazardous Live’ in BS EN61010. Briefly, under normal
operating conditions Hazardous voltage levels are defined as >30V RMS (42.4V peak) or >60V dc.
Symbols used on the recorder labelling
One or more of the symbols below may appear on the recorder labelling.
!
Refer to the Manual for instructions
Protective Earth
This recorder for ac supply only
This recorder for dc supply only.
Risk of electric shock
This recorder for either ac or dc supply
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