Metrel MD 9030 Digital-Multimeter, DMM, 20991441 Hoja De Datos

Suspected open circuit voltage can be checked with voltage functions. Never attempt a 
voltage measurement with the test lead inserted into the 

A/mA or A input jack. Only 

replace the blown fuse with the proper rating as specified in this manual. 
 
CAUTION 
Disconnect the test leads from the test points before changing functions. Always set the 
instrument to the highest range and work downward for an unknown value when using 
manual ranging mode. 
 
INTERNATIONAL ELECTRICAL SYMBOLS 

 

 

Caution !  Refer to the explanation in this Manual 

 

 

Caution !  Risk of electric shock 

 

 Earth 

(Ground) 

 

 

Double Insulation or Reinforced insulation 

 

 Fuse 

 

 AC--Alternating 

Current 

 

 DC--Direct 

Current 

 
The instruments conform to CENELEC Low-voltage directive 73/23/EEC and 
Electromagnetic compatibility directive 89/336/EEC 
 
 

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