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CONTENTS

CONTENTS

CONTENTS

CONTENTS

Description

Description

Description

Description

1. Operating Features

2. Operating Principle

3. Structure Features

4. Applications

5. Maintenance

6. Completeness of the Instrument

7. Storage

8. Guarantee

Содержание DH1715A

Страница 1: ...ated Regulated Voltage Current Voltage Current Voltage Current Power Power Power Supply Supply Supply User User User s s s Manual Manual Manual Da Da Dah h hua ua ua Company Company Company of of of E...

Страница 2: ...ENTS CONTENTS CONTENTS Description Description Description 1 Operating Features 2 Operating Principle 3 Structure Features 4 Applications 5 Maintenance 6 Completeness of the Instrument 7 Storage 8 Gua...

Страница 3: ...ion manual before use the power supply 1 1 1 OPE OPE OPER R RATING ATING ATING FEATURES FEATURES FEATURES Model DH1715A 3 32V 2A DH1715A 5 32V 3A INPUT Input Power Supply 220V 10 50Hz 5 Power Dissipat...

Страница 4: ...ustable reference voltage generator The output current and voltage depend on setting the reference voltage Model DH1715A 3 32V 2A DH1715A 5 32V 3A DC VOLTMETER Range Selection Accuracy of Voltmeter 0...

Страница 5: ...e increased it always keeps pre setting value constantly that means this instrument can automatically be converted from constant voltage mode to constant current mode so as to protect the load from ov...

Страница 6: ...right on the front panel On the upper side there are two digital meters A switch for output in the middle of the panel is mounted There are four knobs in line as voltage potentiometer of each circuit...

Страница 7: ...d current and voltage for the load 4 4 4 4 4 4 When turn off the power supply first should turn off the OUTPUT switch then turn off the POWER switch 4 5 4 5 4 5 Remote Control CV Output The output vol...

Страница 8: ...ion against noise NOTE NOTE NOTE 4 4 4 When the R L remote local switch is thrown to the L position the output voltage can be control1ed with the voltage setting potentiometer manually on the front pa...

Страница 9: ...The total series vo1tage should not exceed 200V 4 8 4 8 4 8 Paral1el Operation In order to obtain a large output current two or more instruments can be connected in parallel then adjust their output v...

Страница 10: ...s are connected in paral1eI as shown in Fig 6 4 9 3 4 9 3 4 9 3 Throw R L switch to R position The current setting potentiometer is set to the extreme position 4 9 4 4 9 4 4 9 4 Turn on the OUTPUT swi...

Страница 11: ...nnected to a potential line as required 4 10 6 4 10 6 4 10 6 Turn on both POWER and OUTUPUT switches of the master unit and the slave unit NOTE NOTE NOTE 1 For the remote control operation it is neces...

Страница 12: ...urrent after feeding the current for approximately 20 minutes calibrate the output current with potentiometer RV6 so the indication on the digital meter is the same as the standard ammeter 5 6 5 6 5 6...

Страница 13: ...s measured 5 5 5 10 10 10 1 1 1 The voltage of the aux power supply is 15V 5 5 5 10 10 10 2 2 2 The voltage of each measured point on the PC board V2 6 1v REFV 0 10V REFC 0 10V CCAMP 0 10V When operat...

Страница 14: ...other corrosive materials be sure not to place the instrument in high temperature and more dust place so as to keep the instrument clean After delivery within 18 months if the users abide by the regul...

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