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Summary of Contents for Hyelec HY3005A
- Page 1 USER’S MANUAL DC REGULATED POWER SUPPLY DC POWER SUPPLY...
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Page 2: Brief Introduction
BRIEF INTRODUCTION: The HY3005A variable DC power supplies are very stable, regulated DC power supplies allowing continuous adjustment of both the output voltage and output current levels. MODELS: MODEL HY3005A REGULATED 0-30V OUTPUT VOLTAGE REGULATED 0-5A OUTPUT CURRENT... -
Page 3: Technical Parameters
1.TECHNICAL PARAMETERS 1.1 Input voltage : 104～127V AC (60Hz) 1.2 Line regulation: CV≤0.1%+3mV CC≤0.2%+5mA 1.3 Load regulation:CV≤0.1%+3mV CC≤0.5%+10mA 1.4 Ripple and noise:CV≤10mVr.m.s CC≤20mAr.m.s 1.5 Protection: constant current and short-circuit protection 1.6 Voltage indication accuracy: LED±0.5%+5digits, 1.7 Current indication accuracy: LED±0.5%+5digits, 1.8 Environment: 0 C relative humidity:<90%... -
Page 5: Operation
2. OPERATION 2.1 Controls and indicators: (1) LED display of indicating voltage value (2) LED display of indicating current value (3) Constant voltage indicate light (4) Constant current indicate light (5) Output Voltage adjusting knob: coarse. (6) Output Voltage adjusting knob: fine. (7) Limiting current adjusting knob: coarse. -
Page 6: Operating Procedure
(12) Output Terminal Negative (-) Black color. (13) Power switch. (14) AC input socket with fuse. (15) Concealed Fuse Box. 2.2 OPERATING PROCEDURE 2.2.1Constant Voltage (CV),Automatic crossover&Contant Current (CC) The power supply functions as a constant voltage source (CV) as long as the load current is less than the preset current limiting value.When the load current is equal to or greater than the preset current limiting value,the power supply will automatically cross over to the constant... - Page 7 When the load current drops below the preset current limiting value,the power supply returns to constant voltage(CV) mode. 2.2.2Presetting Current Limiting Value(CC) Current limit protection point setting: Turn on the power, turn the knobs (7) and (8) counterclockwise to the minimum, adjust the knob (5) clockwise to the appropriate position, and then short the output terminals (10) and (12).
- Page 8 2.2.3.1.After checking with the rating label plug in to AC mains. 2.2.3.2.Switch on the power supply and the LED display should be on at the same time. 2.2.3.3.The (CV)icon should be shown on the display. 2.2.3.4.Turn to current volume knob(7)to maximum clockwise if you do not require lower Current limiting value, otherwise do the preset the(CC)limiting procedure.
- Page 9 2.2.3.7.Check if (CV) light was on. 2.2.3.8.If (CC) light was on, either your preset current limiting value is too low or your load requires more voltage and current. You need to re-access the voltage and current requirement of your load and increase the voltage or current accordingly until (CV) light appears.
- Page 10 3. ATTENTION: 3.1 In the event of a short circuit at the output the current will limit at the value set by the current controls, however the unit should be turned off and the short circuit removed before continuing use. 3.2 The mains power must be switched off before servicing and servicing should be referred to a qualified person.
- Page 11 4. ACCESSORIES 4.1 Power cord-------------------------------one piece 4.2 Instruction manual----------------------one piece 4.3 Alligator Leads ----------------------one piece Hang Zhou Hua Yi (Heng Ao) Electronics Industry Co., Ltd. No.29 Xianxing Road Xianlin Street Yuhang Area Hang Zhou, China Tel：0086 571-88864116、88864626、88860910 E-mail:hyelec@vip.163.com Made In China...
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