BBK Electronics BK Precision 1856D Manuale Utente

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Introduction 
 
   Thank you for  purchasing our product. Electronic measuring instruments 
produced by us are high technology products made under strict quality control. We 
guarantee their exceptional precision and utmost reliability. For proper use of the 
product, please read this operation manual carefully. 
 
Note 
l  To  maintain the  full  precision and reliability of this product, use it within  the 
temperature range of 10 
°
C to 35 
°
C (50 
o
F to 95 
o
F), and within a humidity of 
45% to 85%. 
l  After turning on the power, allow a warm up period of about 30 minutes before 
use. 
l  This equipment should be used with a triple line power cord for safety. 
l  Due to ongoing product development and improvement, things such as exterior 
design and technical specifications can change without prior notice. 
l  If you have further  questions  concerning use of this product,  visit 
www.bkprecision.com. 
 
Safety Summary 
   Please take a moment to read these operating instructions thoroughly and 
completely before operating this instrument. Pay particular attention to WARNINGS 
concerning conditions and actions that pose a hazard to the user and CAUTIONS 
describing conditions and actions that may damage the instrument. 
l  Before every use, inspect the instrument and other accessories for signs of 
damage or abnormality. 
l  Keep your body isolated from ground. 
l  Never touch exposed wiring, connections or any live circuit conductors. 
l  Do not install substitute parts or perform any unauthorized modifications on the 
instrument. 
l  Use caution when working above 60V DC or 30V AC rms. Such voltages pose 
a shock hazard. 
l  Remember that line voltage is present on circuit points such as on-off switches, 
fuse, power transformers, etc., even when the equipment is turned off. 
l  Remember that high voltage may appear at unexpected points in defective 
equipment. 
 
Safety Symbols 
 
 
 
 
 
 
 
DANGEROUS VOLTAGE
AC-ALTERNATING CURRENT
DC-DIRECT CURRENT
SEE EXPLANATION IN MANUAL
GROUND
FUSE