DO NOToperate this unit without a properly grounded, properly polarized
powercord.
DO NOTconnect this unit to a non-grounded, non-polarized outlet.
HIGH VOLTAGE is used inthe operation of this equipment. SEVERE IN-
JURYOR DEATH may result if personnel fail to observe safety precautions.
Beforeworking inside the equipment, turn the power off and disconnect the
powercord.
Alwaysreplace the fuse with one of the same rating, voltage, and type.
Overheadclearance is required. DO NOTplace this instrument 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
guide.
DO NOTturn the unit upside down with the inserts in place; the inserts will
fallout of the unit.
DO NOToperate near flammable materials.
Use of this instrumentat HIGH TEMPERATURES for extended periods of
timerequires caution.
Completely unattended high temperatureoperation is not recommended for
safety reasons.
Before initial use, after transport, and anytime the furnace has not been ener-
gized for more than 10 days, the calibrator must be energizedfor a dry-out pe-
riod of 1 to2 hours before it can be assumed to meet all of the safety
requirementsof the IEC1010-1.
Materialsused in this furnace may be irritating to skin, eyes, and respiratory
tract. Consultthe material manufacturer’s MSDS (Material Safety Data Sheet).
Proper ventilationand safety precautions must be observed.
Followall safety guidelines listed in the user’s guide.
CalibrationEquipment should only be used by Trained Personnel.
1.2.2 CAUTIONS
Toavoid possible damage to the instrument, follow these guidelines.
DO NOTplug the unit into 230 V if the heater switches and fuse holder read
115 V.This action will cause the fuses to blow and may damage the instrument.
Componentsand heater lifetime can be shortened by continuous high tempera-
tureoperation.
Mostprobes h avehandle temperature limits. Be sure that the probe hand tem-
perature limit is not exceededin the air above the unit.
3
1 Before You Start
Safety Information