2
About the DO7PLUS
This section introduces you to the features and functions of the DO7PLUS Microhmmeter
2.1
IMPORTANT SAFETY INFORMATION
If this instrument is used in a manner not specified in this document the protection provided
by this instrument may be impaired.
The instrument and all associated cables and leads must be checked for signs of damage
before the instrument is operated.
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 :2001 CatIII <50V 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.
·
Caution Risk of Electric Shock: Indicates hazardous voltages may be present.
Refer to the instruction manual for further safety information.
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.
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 CROPICO for service and repair to ensure the safety
features are maintained.
DO NOT OPERATE IN EXPLOSIVE ENVIRONMENTS
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 National and International standards.
ASSISTANCE
For after sales support and product service assistance please contact CROPICO Customer
Support Group. Contact information is provided in the operation instruction manual.
Operating Instructions
Digital Microhmmeter Type DO7 PLUS
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