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Triplett PS303 User Manual
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Triplett PS303 User Manual

Regulated dc power supplies
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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.

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Summary of Contents for Triplett PS303

  • Page 1 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.

  • Page 2: Specifications

    Model 0-30V 0-3A 0-5A 4 digits    PS303    PS505 Technical Parameters Operating Conditions Operating voltage: AC 110V/220V ± 5% 50Hz/60Hz Operating conditions: Temperature 0°C~40°C, relative humidity ≤85% Storage conditions: Temperature -10°C~80°C, relative humidity ≤80%...
  • Page 3 Setting accuracy Voltage: <0.5% + 20mV Voltage: <0.5% (20Hz~20MHz) 20mV Current: <0.5% + 5mA Current: <0.5% 10mA Voltage: ≤1mVrms Voltage: ≤2mVrms Ripple and noise Current: ≤3mArms Current: ≤3mArms Voltage: 10mV Voltage: 10mV Recall resolution Current: 1mA Current: 1mA Voltage: ≤300ppm/ °C Temperature coefficient Current: ≤300ppm/ °C...
  • Page 4 Front Panel 1) Power button 2) CC (constant current) indicator: This indicator is on during constant current operation. 3) CV (constant voltage) indicator: This indicator is on during constant voltage operation. 4) Voltage display 5) Current display 6) Voltage coarse adjustment knob: Turn it clockwise to increase the output voltage and turn it counterclockwise to decrease the output voltage.
  • Page 5 Rear Panel Power supply input AC selector socket Fuse holder...

  • Page 6: Packing List

    The ground wire of the power cord should be ensured a good connection to the ground. 2) The PS303/PS305 is a floating type power supply. If grounding is required in use, connect the 0~30V output terminals “+”pole or “−”pole on the front panel to the GND with a wire.
  • Page 7 Check before Booting AC input power and AC selector settings Model input AC selector Fuse power specifications 110Vac 110Vac F2.5AL250V ±5% PS303 220Vac 220Vac F2AL250V ±5% 110Vac 110Vac F3.15AL250V ±5% PS305 220Vac 220Vac F2.5AL250V ±5% Please follow the steps below before booting.

  • Page 8: Maintenance

    Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase.

This manual is also suitable for:

Ps305