Velleman DCM97K, User Manual

DCM97K v2                                                                                                                                               GB 

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PART 1 : THE DIGITAL MULTIMETER (DMM) 

 
1. SAFETY INFORMATION 
 
This multimeter has been designed in accordance with UL1244 and IEC-1010 
concerning safety requirements for electronic measuring instruments with an 
overvoltage category (CAT II) and pollution 2. 
Follow all safety and operating instructions to ensure that the meter is used safely 
and is kept in good working order. 
 
1.1. Preliminary 
 
The user should observe all standard safety rules : 
 

l

 Do not abuse the device. 

l

 Full compliance with safety standards can be guaranteed only if the device is 

used with the supplied test leads. If necessary, they should be replaced with 
identical leads or leads with identical electronic ratings. All measuring leads 
should be in good condition. 

 
1.2. Use 
 

l

 Observe a warm-up delay of at least 60 seconds. 

l

 The display may become unstable and the readings inaccurate if the multimeter 

is used in the vicinity of noise-generating equipment. 

l

 Never exceed the limit values of the various measurement ranges as indicated 

in this manual. 

l

 Disconnect all test leads from circuits that are currently being tested before 

selecting a different function. 

l

 Never perform resistance measurements on live circuits. 

l 

Always be careful when working with voltages in excess of 60VDC or 30Vrms 
AC. 

l 

Keep your fingers behind the probe barriers while using the device. 

 
1.3. Symbols 
 

 Important safety information, consult the manual. 

 Earth ground 

 Double insulation (Protection Class II)