INSTRUCTION
MANUAL
Model 1665/1666/1667
BENCH SWITCHING DC
POWER SUPPLIES
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
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TABLE OF CONTENTS
1. SAFETY INSTRUCTIONS AND PRECAUTIONS ..................................................... 3
2. INTRODUCTION .......................................................................................................... 4
3. SPECIFICATIONS ........................................................................................................ 5
4. CONTROLS AND INDICATORS ................................................................................ 6
5. OPERATION PROCEDURES ...................................................................................... 9
1. SAFETY INSTRUCTIONS
WARNING
Model 1667 has maximum output voltage up to 60Vdc. It may be hazardous to touch metal part of the
output terminals. User must avoid touching live metal part of the output terminals.
1. Do not use this apparatus near water.
2. Clean only with dry cloth.
3. Do not block any ventilation openings.
4. Do not install unit near any heat source or heating emitting devices.
5. Prevent the power cord from being walked on or pinched.
6. Unplug this unit during lighting storms or when unused for long periods of time.
PRECAUTIONS
1. The unit must be used within its specified range.
2. The rated input voltages can be found on the rating label at the back the unit.
3. Before plugging into the AC supply, check with the rating label.
4. Refer all servicing to manufacturer.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
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2. INTRODUCTION
Model 1665 only: V meter max. display
Above 19.99 output voltage, V meter display
These Laboratory Grade Switching DC Power Supplies were built with coarse and fine output voltage and current
limiting controls.
Current limiting control with automatic crossover of constant voltage (CV) and constant current (CC) indicators make this
series ideal for research and development work in laboratories.
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