Extech Instruments 382260 User Manual page 2

Introduction
Congratulations on your purchase of the Extech 80W 3-in-1 Switching DC Power Supply. The Model
382260 has three output ranges that perform like 3 power supplies in one. It can be used for many
applications including bench testing, field service, hobby and telecommunication equipment use.
This power supply is shipped fully tested and calibrated and, with proper use, will provide years of
reliable service.
Safety
This manual contains important safety and operation instructions for correct use of the power
supply. Read through the manual and pay special attention to the markings and labels of this unit
and equipment to be connected.
Pay special attention to these two types of notices used in this manual
WARNING : Failure to observe this warning may cause injury to persons and damage to
power supply or connected equipment.
CAUTION : Failure to observe this warning may result in damage to equipment and
Improper functioning of the power supply.
WARNING :
1.
Do not use this power supply near water.
2.
Do not operate or touch this power supply with wet hands.
3.
Do not open the casing of the power supply when it is connected to ac mains.
4.
Refer all servicing to qualified service personnel only.
5.
Before replacing the AC fuse find out and clear up the cause first.
6.
Replace the AC fuse with the same type and rating as the original fuse.
CAUTION :
1.
Use a grounded 3 pin AC source.
2.
This unit is for indoor use only.
3.
Do not operate or place this unit in a humid, dusty, in direct sunlight location or near any
heat source.
4.
Before plugging into local AC mains, check with the rating label at the back of the unit.
5.
Do not block any ventilation openings of the unit.
6.
This unit must be used within the specified rating; regular excessive continuous loading may
cause damage to the power supply.
7.
The gauge size of input power cable must be at least 0.75mmsq and the total length of power
cable must not exceed 3m.
8.
Input Fuse Recommended: T3AL250V (3A Time-Lag)
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