•DO NOT REMOVE INSERTS AT HIGH TEMPERATURES. Inserts
will be the same temperature as the display temperature. Use extreme care
when removing hot inserts.
•DO NOToperate this unit without a properly grounded, properly polar -
ized power cord.
•DO NOTconnect this unit to a non-grounded, non-polarized outlet.
•HIGH VOLTAGE is used in the operation of this equipment. SEVERE
INJURY OR DEATHmay result if personnel fail to observe safety pre-
cautions. Before working inside the equipment, turn power off and dis-
connect power cord.
•Always replace the fuse with one of the same rating, voltage, and type.
•Overhead clearance is required. DO NOTplace unit under a cabinet or
other structure.
•DO NOTuse this unit for any application other than calibration work.
•DO NOTuse this unit in environments other than those listed in the
user’s manual.
•DO NOTturn the unit upside down with the inserts in place; the inserts
will fall out of the unit.
•DO NOToperate near flammable materials.
•Use of this instrument at HIGH TEMPERATURESfor extended periods
of time requires caution.
•Completelyunattended high temperature operation is not recom -
mended for safety reasons.
•Before initial use, after transport and anytime the dry-well has not been
energized for more than 10 days, the calibrator must be energized for a
dry-out period of 1 to 2 hours before it can be assumed to meet all of the
safety requirements of the IEC1010-1.
•Follow all safety guidelines listed in the user’s manual.
•CALIBRATION EQUIPMENT should only be used by TRAINED PER-
SONNEL.
1.2.2 Cautions
Toavoid possible damage to the instrument, follow these guidelines.
•Components and heater lifetime can be shortened by continuous high
temperature operation.
4 HartScientific
1Before You Start