B&K Precision 1856D - Manual - Manual (Page 3)

3
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
 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%.
 After turning on the power, allow a warm up period of about 30 minutes before
use.
 This equipment should be used with a triple line power cord for safety.
 Due to ongoing product development and improvement, things such as exterior
design and technical specifications can change without prior notice.
 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.
 Before every use, inspect the instrument and other accessories for signs of
damage or abnormality.
 Keep your body isolated from ground.
 Never touch exposed wiring, connections or any live circuit conductors.
 Do not install substitute parts or perform any unauthorized modifications on the
instrument.
 Use caution when working above 60V DC or 30V AC rms. Such voltages pose
a shock hazard.
 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.
 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