Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be observed during all phases of operation, service, and repair of this instrument. Before applying power, follow the installation instructions and become familiar with the operating instructions for this instrument. GROUND THE INSTRUMENT To minimize shock hazard, the instrument chassis and cabinet must be connected to an electrical ground.
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Specialties (Cal Test Electronics) for service and repair to ensure that safety features are maintained. WARNINGS AND CAUTIONS WARNING and CAUTION statements, such as the following examples, denote a hazard and appear throughout this manual. Follow all instructions contained in these statements. A WARNING statement calls attention to an operating procedure, practice, or condition, which, if not followed correctly, could result in injury or death to personnel.
1 Introduction This 1403 and 1405 100W Triple Output Power Supplies are designed with the objectives of high accuracy, compactness and voltage and current control. 4 digit display LCD of voltage and current for high precision.
1.1 Controls & Indicators Figure 1 Panel Diagrams Power Switch. Turns the power supply on–off, when it is on the front display lights up. AC Input Socket with Fuse Concealed Fuse Box. Pry open the cover to get to the fuse.
outputs OFF. Push this button again to turn them ON. Main Output Terminal Positive (+). Main Output Terminal Negative (-). Black color 10. Aux Output 1 Terminal Positive (+). or 5 VDC selectable. 11. Aux Output 1 Terminal Negative (-). Black color. 3.3 VDC or 5 VDC selectable.
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1.2 Connection and Operation Procedure Check the rating label and plug in to AC mains. Switch on the power supply and the LCD display should be on at the same time. The (CV) icon should be shown on the display. Turn to current volume knob (6) to maximum clockwise if you do not require lower Current limiting value, otherwise do the preset the (CC) limiting procedure.
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Figure 2 The variable main output is set for 12 V and it is assigned as the +12 V source (available maximum current 3 A) Note the variable main output can be set for other voltage (1-36 V) such as 16 V. current 0.5 A).
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the supply returns to constant voltage (CV) mode. 1.4.2 Set the Output Voltage and Presetting Current Limiting Value (CC) Turning the voltage or current knob to set your desired values. Quick pushes on the knobs will move the decimal place for fast tuning.
When the temperature inside the power supply returns to normal then the power supply will automatically return to operation again. 1403 1405 Input Voltage 100–240 VAC, 50/60...
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Output Current 0.25 – 5 A 0.25 – 3 A Voltage Regulation Load from 10% to 70 mV 70 mV 90% Variation Line from 90 to 264 25 mV 25 mV VAC Variation (peak to peak) Current Regulation Load from 10% to 50 mA 50 mA 90% Variation...
CE Approvals Cooling System Natural Convection Dimensions 70 x 150 x 250 mm (2.8 x 6.0 x 9.8 in) Weight 2 kg (4.4 lbs) most current version of this manual, please download the current version from our website 4 Service and Warranty Information 1.1 Limited One-Year Warranty Cal Test Electronics warrants this product to be free from defective material or workmanship for a period of 1 year from the date of...
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If you have a need for any calibration or repair services, please visit us on the web . See the “Service” tab. Or contact us via the “Contact” tab 1.800.544.2843 www.calcert.com sales@calcert.com...
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