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72-7675

 

Contents 

1. SAFETY TERMS AND SYMBOLS ......................................1

 

2. INSTALLATION.....................................................................2

 

3. OPERATION ...........................................................................5

 

4. PANEL DESCRIPTION .......................................................10

 

5. CIRCUIT PRINCIPLE.........................................................13

 

6. BLOCK DIAGRAM .............................................................14

 

7. SPECIFICATIONS ...............................................................15

 

8. MAINTENANCE ..................................................................17

 

 

                                                         

72-7675

 

 

1. SAFETY TERMS AND SYMBOLS

 

These terms may appear in this manual or on the product

 

 

WARNING

Warning statements identify condition or 

practices that could result in injury or loss of life. 

 

 

Caution

Caution  statements  identify  conditions  or 

practices that could result in damage to this product or 

other property. 

 
The  following  symbol  may  appear  in  this  manual  or  on  the 
product

 

 

 
Attention refer to Manual. 
 

 
 

 

 

Содержание 72-7675

Страница 1: ...FETY TERMS AND SYMBOLS These terms may appear in this manual or on the product WARNING Warning statements identify condition or practices that could result in injury or loss of life Caution Caution statements identify conditions or practices that could result in damage to this product or other property The following symbol may appear in this manual or on the product Attention refer to Manual ...

Страница 2: ... the rear panel 2 Before connecting the power cord to the suitable outlet please make sure all the 72 7675 s breakers are turned off It will avoid the unnecessary accident or damage to the unit 3 Plug the input power cord to the suitable outlet 4 Please make sure the input tolerance is within 10 of rated voltage see figure 1 72 7675 3 Figure 1 Max Output Voltage 150 300 120 240 100 200 85 90 95 11...

Страница 3: ...ing contents 110V 220V and four keys a When any one of the keys mentioned above is pressed the voltage display will flash one time the unit will go to the setting mode and show the voltage setting value b If the 110V Key is pressed the output voltage will be adjusted to 110V immediately Meanwhile the voltage display will switch back to the reading mode automatically c If the 220V key is pressed fo...

Страница 4: ...ing voltage to change however there is a 20ms interruption during the voltage range changing The non reasonable range changing For example the voltage sets 200V but the range is changed to the low range is not acceptable 72 7675 7 this unit Note High range voltage 0 300V Low range voltage 0 150V Instrumentation selection a Pressing the A key will light the current indicator and the LED display wil...

Страница 5: ...isplayed Save Recall Function Press the key of S R if the indicator of SAVE RECALL doesn t light Press any one of MEM1 MEM2 MEM3 and MEM4 keys for 0 2 seconds the current output setting will be saved If the indicator of SAVE RECALL lights press any one of MEM1 MEM2 MEM3 and MEM4 keys for 0 2 seconds the setting saved last time by the same key will be recalled as current setting 72 7675 9 ...

Страница 6: ...arse indicator does not light 72 7675 11 10 High Low Range Indicator of Output Voltage If this indicator lights the output voltage is in the range 0 300V If this Indicator does not light the output voltage is in the range 0 150V 11 27 110V and 220V Keys One touch key for 220V and 110V output respectively 12 Output Voltage LED Display If the OUTPUT Key is not pressed the indicator doesn t light and...

Страница 7: ... form is generated by the digital synthesizer and filtered by a very high impedance filter Therefore the sine wave form will be very stable and the distortion will be reduced The unit has two voltage feedback systems One is analog feedback system for quick response within 100us and the regulation will be located in the range of 5 The other is digital feedback system The system will read the output...

Страница 8: ...tion 0 1Vrms Accuracy 1 rdg 5digitAC0 0 40 0V Output Capacity Low voltage range 0 0 150Vac High voltage range 0 0 300Vac Output Power 500VA 72 7675 Maximum Current 72 7675 4 2A 0 150V 2 1A 0 300V Line Voltage Regulation 0 1 Load Regulation 0 5 0 1V Protection Key Lock OCP Short Circuit Protect OTP Frequency Stability 100ppm Wave Distortion 0 150V 22V 125V 0 5 THD Resistance Load 0 300V 44V 280V 0 ...

Страница 9: ...ons 137mm H 430 W 500mm D Weight Approximate 25kgs 72 7675 17 8 MAINTENANCE Cleaning Use a soft cloth moistened with a small amount of water or mild detergent Do not spray cleaner directly onto the instrument as it may leak into the cabinet and cause damage Do not use chemicals containing benzine benzene xylene acetone toluene or similar solvents Do not use abrasive cleaners on any portion of this...

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