Seaward DO5000 Series User Manual
Page 4
Operating Instructions
Microhmmeter Type DO5000
English Important Safety Information 10/08/99
General
This instrument has been designed and tested to comply with the Electromagnetic
Compatibility Directive 89/336/EEC and Low Voltage Directive 93/68EEC in accordance with
EN 61010 -1 :1995 relating to the safety requirements for electrical equipment for
measurement, control and laboratory use. Before connecting the instrument to the mains
supply please ensure the following safety precautions have been read and understood.
Safety Symbols
The following symbols are used to describe important safety aspects of this instrument, these
symbols appear on the instrument and in the operation instructions.
Attention Symbol: Indicates a potentially hazardous condition exists and that it is necessary for the operator
to refer to the instruction manual to ensure the safe operation of this instrument.
Hot Surface Warning: Indicates a hot surface that may be at a temperature capable of causing burns, refer
to the instruction manual for further safety information.
Caution Risk of Electric Shock: Indicates hazardous voltages may be present, refer to the instruction manual
for further safety information.
Protective Conductor Terminal: For protection against electrical shock during a fault condition. This symbol
is used to indicate terminals that must be connected to electrical ground before operating equipment.
Summary of Safety Precautions
The following general safety precautions must be observed while operating or servicing this
instrument. Failure to comply with these precautions may result in personnel injury or death.
Instrument Electrical Earth
This instrument is designed as a Class 1 electrical safety insulation device. To ensure
continued protection from electric shock the instrument chassis must be connected to an
electrical ground. The instrument is supplied with an AC power cable with an earth connection.
Live Circuits Danger
Do not connect the power supply to or operate this instrument with the protective covers
removed. Component replacement and internal adjustments must be made by qualified
service personnel. Do not replace components with the power cable connected. Under certain
conditions, dangerous voltages may exist with the power cable removed. To avoid injuries
always disconnect power and discharge circuits before touching them.
Do Not Modify this Instrument or Substitute Parts
Because of the danger of introducing additional hazards; do not perform any unauthorised
modification or install substitute parts to the instrument. Only fuses with the rated current,
voltage and specified type should be used, failure to do so may cause an electric shock or fire
hazard. Return the instrument to Automatic Systems Laboratories for service and repair to
ensure the safety features are maintained.
Do Not Operate in either Damp or Explosive Environments
This instrument is not designed to operate while wet, in an environment of condensing
humidity or in the presence of flammable gases or vapours. The operation of this instrument
in such an environment constitutes a safety hazard.
Certification
CROPICO certifies that this product met its published specifications at the time of shipment
from our factory. All calibration measurements performed in the manufacture of this instrument
are traceable to the National Physical Laboratory (London).
Assistance
For after sales support and product service assistance please contact CROPICO Customer
Support Group. Contact information is provided in the operation instruction manual.