SAFETY SUMMARY Safety Precautions Please take a moment to review these safety precautions. They are provided for your protection and to prevent damage to the power supply. This safety information applies to all operator and service personnel. ※NOTE: If the equipment is used in a manner not specified by the manufacture, the protection provided by the equipment may be impaired.
INSTRUCTIONS 1. To maintain the precision and the reliability of the product, use it in the standard settings Operating temperature: 5 ~ +40 ℃ ℃ Operating humidity: 50% ~ 80% Storage temperature: 0 ~ 70 ℃ ℃ Storage humidity: less than 85% 2.
WARRANTY Warranty service covers one year the date of original purchase. In case of technical failure within a year, repair service will be provided by our service center or sales outlet free of charge. We charge for repairs after the one-year warranty period expires. When the failure is a result of user’s neglect, natural disaster or accident, we charge for repairs regardless of the warranty period.
1. GENERAL HT3000PE/PF/PG series Regulated DC Power Supply comprises the following models: HT3003PE: Single 0~30V, 0~3A HT3005PE: Single 0~30V, 0~5A HT5003PE: Single 0~50V, 0~3A HT3003PF: Dual 0~30V, 0~3A HT3005PF: Dual 0~30V, 0~5A HT3003PG: Dual 0~30V, 0~3A and Fixed 5V, 3A HT3005PG: Dual 0~30V, 0~5A and Fixed 5V, 3A It features low ripple and high stability.
If you wish to change FUSE F1, please use driver and pull it over as per drawing. Fig 1 Line Voltage Selection and Fuse Ratings Model Line Voltage Mark Position Fuse Rating (250V) AC 220V 220V 1.6AL HT3003PE AC 110V 110V AC 220V 220V HT3005PE AC 110V 110V AC 220V 220V HT5003PE...
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2-2. Installation and Handling Precautions When placing the Power Supply in service at your workplace, observe the following precautions for best instrument performance and longest service life. 1. Avoid placing this instrument in an extremely hot or cold place. Specifically, don’t leave this instrument in a closed car, exposed to sunlight in midsummer, or next to a space heater. ...
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2-3. Cleaning 1. To clean stained casing, lightly rub the stained area with a soft cloth dipping a neutral detergent. 2. If the surface of the panel is dirty, use the same method to clean. If the panel is heavily stained, rub the affected area lightly with a soft cloth soaked in light neutral detergent or alcohol.
5. DESCRIPTION OF PANEL FUNCTION – SINGLE TYPE 1. Output Voltage LCD Display. 2. Output Current LCD Display. 3. On/Off Power Switch. 4. Output terminals. 5. Extended Output Terminals. 6. Constant Voltage Display. 7. Constant Current Display. 8. Current Limit Adjustment Indicator. 9.
OPERATIONS PROCEDURES – SINGLE TYPE 6-1 Pre-operational Checking 1. Visual inspection First, the functional elements should be visually inspected for damages. For example, the chassis, VR knobs, output terminals. Function buttons, fuse holders, voltmeters, current meters, switches etc. should be checked for visible damage. If damage is detected, the supply should not be operated.
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6-2 Constant Current Adjustment Method 1. Adjust by turning the voltage setting knob to desired voltage. 2. Press the CV/CC setting button down to light up the CC/CV setting indicator. 3. Use a wire to shorten the (+) and (-) terminal at the output terminal. 4.
8. DESCRIPTION OF PANEL FUNCTION – DUAL TYPE 1. Constant Voltage Display – Ch.1 2. Output Voltage Display – Ch.1 3. Constant Current Display – Ch.1 4. Output Current Display – Ch.1 5. Current Limit Adjustment Indicator – Ch.1 6.
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DESCRIPTION OF PANEL FUNCTION – DUAL TYPE (cont’) 1. Current Limit Down Setting – Ch.2 2. Current Limit UP Setting – Ch.2 3. Output Voltage Setting – Ch.2 4. Output Terminals – Ch.2 5. Extended Output Terminals – Ch.2 6.
9. OPERATION PROCEDURES – DUAL TYPE Constant Voltage Setting Method 1) Turn on power switch. 2) Adjust voltage setting knob to the desired voltage which can be shown in the LCD display. 3) Connect the load, make sure the load current not exceeding the maximum output current.
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Serial Function operating method 1. Turn on the power by pressing the POWER switch. 2. Push the SERIAL button down to light up the indicator, the dual power supply is now working under serial condition, the maximum voltage output is from 0~60V. 3.
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9.4 PARALLEL function operating method 1. Turn on the power by pressing the POWER switch. 2. Under normal condition, to adjust both voltage knob to obtain same or similar voltage value. 3. Push the PARALLEL button down to light the indicator, the unit is now working under parallel condition, the maximum current possibly obtained is 6A(3003II), 10A(3005XII).
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9.5 DUAL FUNCTION With this function, you can simultaneously ground channel 1 and channel 2 to get +30V and –30V outputs, proceed as follows : 1. First do not turn on power. 2. Short the output (+) terminal of channel 1 and channel 2 with a short wire.
NOTES ENVIRONMENTAL CONDITION 1. Aviod using the unit such a place where the ambient temperature exceeds 40 ℃ r under the direct sun shines. Limit the maximum output current when the unit is used in such a place where ventilation is interrupted or a radiation exists from other equipments.
11. NOTICES 1. When the operation is under PARALLEL condition, when activating the SERIAL button, the operation will be changed from PARALLEL condition to SERIAL condition. 2. When the operation is under SERIAL condition, when activating the PARALLEL button, the operation will be changed from SERIAL condition to PARALLEL condition.
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