382270 V2.1 5/09
2
Introduction
Congratulations on your purchase of the Extech 382270 DC Power Supply. The Model
382270 can be used for many applications including bench testing, field service, hobby,
educational, maintenance, and telecommunication equipment use.
The Model 382270 is a high-precision DC regulated power supply with four outputs. Of which,
two are completely adjustable and two are semi-adjustable. The two adjustable outputs can
be configured for constant voltage or constant current. The two adjustable outputs can be
connected in parallel or in series. The 3 digit LED display indicates each of the two adjustable
outputs.
The two semi-adjustable outputs (one is 3~6.5V/3A and the other is 8~15V/1A) have good
stability and ripple factor, and reliable overload protection to protect the unit against
overloads or short circuits.
This power supply is shipped fully tested and calibrated and, with proper use, will provide
years of reliable service.
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