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Technical Parameters: 

Input voltage: 

 

220V AC ± 10%  50HZ/60HZ ± 2HZ or 110V AC ± 10%  50HZ/60HZ ± 2HZ 

Voltage indication accuracy:

 LED display and LCD display ±1%±2digits, Pointer meter display 2.5%  

Current indication accuracy:

 LED display and LCD display ±2%±2digits, Pointer meter display 2.5% 

Output Voltage and Current:

 

OUTPUT VOLTAGE 

(regulated)

 

OUTPUT CURRENT (

regulated) 

0 ~ 15V 

0 ~ 2A 

0 ~ 3A 

0 ~ 18V 

0 ~ 2A 

0 ~ 3A 

0 ~ 30V 

0 ~ 2A 

0 ~ 3A 

0 ~ 5A 

0 ~ 10A 

0 ~ 20A 

0 ~ 50V 

0 ~ 2A 

0 ~ 3A 

Source Effect (Line regulation): 

 

CV≤0.01%+1mV   CC≤0.2%+1mA 

Loading Effect (Line regulation):

 

 

CV≤0.01%+3mV   CC≤0.2%+3mA 

Ripple nad noise:

   

 

 

CV≤0.5mVr.m.s    CC≤3mAr.m.s 

To obtain the stability guarantee of source and loading effect, allow the instrument to warm up for 
at least 15 minutes. 

CHAPTER 4.MAINTENANCE 

Introduction: 

Do not attempt to repair or service your instrument unless you are qualified to do so and have the 
relevant calibration, performance test, and service information.  

Replacing the Fuse: 

Summary of Contents for AX-1803D

Page 1: ...DC POWER SUPPLY AX 3003D AX 3005D AX 1803D USERS MANUAL V C V I N E C O AR SE VO LTAG E A V OFF _ ON VOLTAGE CURRENT DC POWER SUPPLY F I N C O AR SE F I N E C R R EN T C C O ER O O N...

Page 2: ...recautions 4 Safety Information 4 Safety Symbols 4 Instrument Front Panel 5 Instrument Back Panel 6 2 Operation 7 Line Power Supply Setting 8 Operation Procedure 8 3 Specifications 10 General Specific...

Page 3: ...ypes for the power supply series monitoring output voltage and current They are LCD LED and two pointer meters One of them is equipped to the DC power supply There are different numbers of output volt...

Page 4: ...taking electrical measurements Keep your body isolated from ground by using dry clothing rubber shoes rubber mat or any approved insulating material 5 Never touch exposed wiring connections or any liv...

Page 5: ...1 1 OUTPUT VOLTAGE INDICATOR This indicator shows output voltage as measured at the output terminals There is LCD or LED or pointer meter display type They are available for choice of user 2 OUTPUT C...

Page 6: ...only pointer meter display Each pointer meter has a mechanical screw adjustment for setting the zero point Using a small screwdriver turn off the power and adjust the screw under the meter respective...

Page 7: ...with same the power requirements of instrument before connect power cord to live power source WARNING To avoid electrical shock disconnect power cord from live power source and remove the test leads...

Page 8: ...50Hz 60Hz NOTE The instrument without POWER SELECT SWITCH is factory pre set in accordance with your main voltage when your local distributor place the order with the factory Operating Procedure CONST...

Page 9: ...rrent level at which the restricted current protection will be active as you desire 6 Remove the wire linked to the positive and negative output terminals Connect the positive output terminal and nega...

Page 10: ...ous upward of 75 rate output power for one hour Relative Humidity 20 to 80 RH 0 to 40 Protection constant current and short circuit protection Weight Size OUTPUT VOLTAGE regulated OUTPUT CURRENT regul...

Page 11: ...0 2A 0 3A 0 18V 0 2A 0 3A 0 30V 0 2A 0 3A 0 5A 0 10A 0 20A 0 50V 0 2A 0 3A Source Effect Line regulation CV 0 01 1mV CC 0 2 1mA Loading Effect Line regulation CV 0 01 3mV CC 0 2 3mA Ripple nad noise C...

Page 12: ...TO V CAUTION WARNING Turn off the power switch remove the power line cord from the power socket and disconnect the test leads at output terminals before replacing the fuse Replace it only with same ty...

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