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www.element14.com
www.farnell.com
www.newark.com
www.cpc.co.uk

TM

TM

Page <6>

V1.0

03/01/19

User Manual

3.2 Front Panel

After powering on, the panel operation and all the functional buttons can be operated.  

3.3 Voltage Setting

The voltage setting range is from 0.30V to 30V; follow the setting steps as below:  
1. Switch on the power supply
2. Push the 

OUT

 button to stop power output 

3. Push the 

SET/ENTER

 button, the max value  flashes in the voltage setting area

4. Push the 

LEFT 

or

 RIGHT

 arrow keys to move the cursors

5. Push the 

UP

 or 

DOWN

 arrow keys to change the settings

6. Push 

SET/ENTER

 button to exit voltage setting mode

   UP

 

ENTER

 

OUT   SET

   

0 0.0 0

 V ------------- >

3 0.0 0

 V ---------------> OK.

Remark: 
I.  It is possible to set voltage values once the outputs are valid. However, for protection of the load, it is recommended to turn 

off the output before setting the voltage. 

II. Due to the total power limit, current settings will be decreased automatically as voltage setting increases. 

3.4 Current Setting

The current setting range is from 0.000A to 3.750A, follow the setting steps as below:  
1. Switch on the power supply
2. Push the 

OUT

 button to stop the output

3. Push and 

SET/ENTER

 button, the max value position flashes of voltage setting area. 

4. Push the 

V/A

 button, the max. value position of current setting flashes and current setting is activated

5. Push the 

LEFT

 or 

RIGHT

 arrow keys to move the cursors

6. Push the 

UP

 or 

DOWN

 arrow keys to change the settings

7. Push 

SET/ENTER

 button and light off this button to exit current setting mode

   UP

 

ENTER

 

OUT   SET

   

V/A

   

0. 000 

A ------------- >

2.000 A 

---------------> OK.

Remark:
I.  It is possible to set current values once the outputs are valid. However, for protection of the load, it is recommended to stop 

output before current setting.

3.5 Output Switch

 

Under the panel operating mode, push OUT button to shift output status. Once OUT button is on and lit up, the measured 

values displayed at LCD; push OUT button again to exit output mode. 

3.6 Data Saving Operation

1.  Under the voltage setting or current setting mode, push the 

STORE

 button to save the values of voltage or current into the 

memory of power supply for future recall purpose. 

2. Refer 3.3 or 3.4 for voltage or current setting mode. 
3. Push 

STORE

 button to enter data saving mode, the minimum value position flashes and displays  STORE icon on LCD. 

4. Move 

UP

 or 

DOWN

 arrow keys to select storage group number.

5. Click 

ENTER

 button to confirm data saving, click 

STORE

 button to exit data saving mode.

    

                                       

UP

      

       

SET   STORE 

 1 

 2 

 ENTER

 -----> OK.

Summary of Contents for 72-2660

Page 1: ...nell com www newark com www cpc co uk TM TM Page 1 V1 0 03 01 19 User Manual Switch Mode DC Power Supply Introduction Thank you for selecting the Tenma Switching DC Power Supply please read this user guide before the operation ...

Page 2: ...pliance 72 2660 Switch Mode DC Power Supply is compliance with the specification described in this manual The content or specification of this manual is subject to change without prior notice Product Features The 72 2660 is the single output switch mode DC power supply with a maximum 30V output voltage 3 75A output current and maximum output power of 50W 72 2660 integrates the AC DC and DC DC 2nd ...

Page 3: ...utor Power Cord 1PC User Guide 1PC Connect the power cord to the unit and to a properly grounded outlet and switch on 72 2660 The unit starts the self system checking the LCD displays 0 5s date of manufacturing production lot model number version number in turn 1 3 Quick Start OUT Button Press the OUT button to begin outputting the selected voltage and current The unit will display the voltage or ...

Page 4: ... voltage can be adjusted from 0 3V to max 30V 1 4 2 The output constant current mode check This is for checking the functions of power supply under constant current mode 1 Switch on the product the power is off and the indicators of CC CV are off 2 Adjust voltage value to 30V 3 Connect the resistance 3Ω 50W between output terminals 4 Push the OUT button the indicator of CC also displays on the LCD...

Page 5: ...f output offset Voltage 0 05 5mV Current 0 05 5mV Ripple and Noise 20HZ 20MHz Voltage 10mVrms 100mVp p Current 10mVrms 100mVp p Temperature Coefficient 0 40 C of output offset Voltage 0 05 Current 0 1 Dimensions 185mm 88mm 38mm Weight Net 370g 2 2 Supplementary Specifications Build in EEPROM Recommended Calibration Time Annually AC Input Power 90 265V AC 43 to 65Hz Operating Temperature 0 to 40 C ...

Page 6: ...3 Push and SET ENTER button the max value position flashes of voltage setting area 4 Push the V A button the max value position of current setting flashes and current setting is activated 5 Push the LEFT or RIGHT arrow keys to move the cursors 6 Push the UP or DOWN arrow keys to change the settings 7 Push SET ENTER button and light off this button to exit current setting mode UP ENTER OUT SET V A ...

Page 7: ...ly 1 Push the OUT button to activate output mode 2 Push the USB button and USB indicator will turn off to exit USB charging mode USB OUT OK 4 Calibration Following the image below connect a 5 digit displayed volt meter and current meter please resistance 10Ω 100W into the output terminals To calibrate start from point of zero voltage voltage coefficient and zero current current coefficient Hold th...

Page 8: ...lting from negligence or where the Group was aware of the possibility of such loss or damage arising is excluded This will not operate to limit or restrict the Group s liability for death or personal injury resulting from its negligence Tenma is the registered trademark of the Group Premier Farnell Limited 2016 Part Number 72 2660 4 2 Current Calibration Push the V A button and power supply displa...

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