Triplett PS303 User Manual Download Page 1

 
 

 User Manual 
 

 

PS303 and PS305 
Regulated DC Power Supplies 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 
 

Introduction 

 

 

Congratulations on your purchase of the Triplett PS303/PS305 Regulated DC 
Power Supply.  These DC power supplies are high-quality and stable devices 
that output pure and reliable signals.  Other features include 4-digit voltage 
and current LED display, short-circuit protection, overload protection, and 
reverse polarity protection and more. These power supplies are ideal tools for 
university and technical trade schools, electronics production lines, household 
appliance repair companies, etc. 

 

 

Summary of Contents for PS303

Page 1: ...ies are high quality and stable devices that output pure and reliable signals Other features include 4 digit voltage and current LED display short circuit protection overload protection and reverse po...

Page 2: ...rage conditions Temperature 10 C 80 C relative humidity 80 Technical specifications Basic Function Technical specifications Model PS303 PS305 Rated output voltage 0 30V 0 30V Rated output current 0 3A...

Page 3: ...all resolution Voltage 10mV Voltage 10mV Current 1mA Current 1mA Temperature coefficient Voltage 300ppm C Current 300ppm C Instantaneous response time 100uS 50 load change minimum load 0 5A Display Di...

Page 4: ...output current and turn it counterclockwise to decrease the output current 9 Current fine adjustment knob Turn it clockwise to increase the output current and turn it counterclockwise to decrease the...

Page 5: ...Rear Panel Fuse holder Power supply input socket AC selector...

Page 6: ...ases and other harmful substances 4 Constant voltage output Switch the POWER switch to the on state The CV indicator will be on and the power supply will be under constant voltage operation Adjust VOL...

Page 7: ...before booting 1 Check the input power Make sure that the AC power cord meets the requirements in the AC input power column above NOTE Maximum input voltage 250V 2 Check the AC selector Make sure tha...

Page 8: ...the maximum voltage as required adjust the VOLTAGE knobs clockwise 4 At constant voltage state if the device is unstable the AC supply voltage may be lower than 99V 198V If any malfunction is serious...

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