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TM

TM

Page <10>

V1.0

27/05/21

Newark.com/exclusive-brands
Farnell.com/exclusive-brands
Element14.com/exclusive-brands

Important Notice : 

This data sheet and its contents (the “Information”) belong to the members of the AVNET group of companies (the “Group”) or are licensed to it. No licence is granted for 

the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change 

without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, 

any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make 

any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting 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 Premier Farnell Limited 2019.

Part Number

72-10480/

72-2535

72-2540

72-2545/

72-2550

72-2925/

72-2930

72-2935/

72-2940

Setup Accuracy (25°C to -5°C)

Voltage Current

≤0.5%+20mV

≤0.5%+5mA

≤0.5%+20mV

≤0.5%+10mA

≤0.5%+30mV

≤0.5%+5mA

≤0.5%+20mV

≤0.5%+20mA

≤0.5%+30mV

≤0.5%+10mA

Ripple (20-20m)

Voltage Current

≤1mVrms

≤3mArms

≤2mVrms

≤3mArms

≤1mVrms

≤3mVrms

≤2mVrms

≤5mVrms

≤1mVrms

≤3mVrms

Temperature Coeffcient

Voltage

Current

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

Read Back Accuracy

Voltage Current

10mV

1mA

10mV

1mA

10mV

1mA

10mV

1mA

10mV

1mA

Read Back Temperature Coeffcient

Voltage

Current

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

≤150ppm

Reaction Time

Voltage Rise

Voltage Drop

≤100mS

≤100mS

(10% rated load)

≤100mS

≤100mS

(10% rated load)

≤100mS

≤100mS

(10% rated load)

≤100mS

≤100mS

(10% rated load)

≤100mS

≤100mS

(10% rated load)

Interface:

 Interfaces (for programmable models only): RS232, USB

Accessories:

 User manual and power cord

Part Number

Dimensions

Weight

72-10480 / 72-2535

285mm×110mm×165mm

3.6kg

72-2540 / 72-2545

285mm×110mm×165mm

4.3kg

72-2550

285mm×110mm×165mm

4.8kg

72-2925 / 72-2930

305mm×110mm×165mm

8.3kg

72-2935 / 72-2940

305mm×110mm×165mm

8kg

INFORMATION ON WASTE DISPOSAL FOR CONSUMERS OF ELECTRICAL & ELECTRONIC EQUIPMENT
When this product has reached the end of its life it must be treated as Waste Electrical & Electronics Equipment 

(WEEE). Any WEEE marked products must not be mixed with general household waste, but kept separate for 

the treatment, recovery and recycling of the materials used. Contact your local authority for details of recycling 

schemes in your area.
 

 

 

 

 

 

 

 

 

         Made in China. PR2 9PP 

        V1.0

Summary of Contents for 72-10480

Page 1: ...wark com exclusive brands Farnell com exclusive brands Element14 com exclusive brands Digital Control and Programmable DC Power Supply User Manual Part Number 72 2535 72 2540 72 2545 72 2550 72 2925 72 2930 72 2935 72 2940 72 10480 ...

Page 2: ...semble unless you are qualified as service personnel AC Input AC input voltage 110V 120V 220V 230V 50 60Hz Connect the protective grounding conductor of the AC power cord to an earth ground in order to avoid electrical shock Operation Environment Location Indoor no direct sunlight dust free almost non conductive pollution Relative Humidity 80 Altitude 2000m Temperature 0 to 40 C Storage Environmen...

Page 3: ...35 4 digit 4 digit Yes 10mV 1mA 72 2540 4 digit 4 digit Yes 10mV 1mA 72 2545 4 digit 4 digit Yes 10mV 1mA 72 2550 4 digit 4 digit Yes 10mV 1mA 72 2925 4 digit 4 digit No 10mV 1mA 72 2930 4 digit 4 digit Yes 10mV 1mA 72 2935 4 digit 4 digit No 10mV 1mA 72 2940 4 digit 4 digit Yes 10mV 1mA Performance Low noise cooling fan controlled by heatsink temperature Compact size light weight Operation Consta...

Page 4: ... and the OVP indicator flickers Press the OVP key again and the power supply will recover OCP is OCP indicator When overcurrent function is turned on the OCP indicator light turns on C C is the constant current indicator When the power supply is in the mode of constant current the light will be on C V is the constant voltage indicator When the power supply is in the mode of constant voltage the li...

Page 5: ...nect the AC power cord and select the corresponding AC voltage according to the back label then connect the AC power cord to the socket on the back panel Press the power switch to turn the power on The display initialises showing the model of the machine and then the setting level which is recalled from the last use Press the power switch again to turn the power off ...

Page 6: ...ront panel key operation The key LED will turn on To unlock press and hold the LOCK key for two seconds Output Setup Panel Operation Connect the load to the front port CH1 Press the Voltage Current key to switch between the voltage adjustment and current adjustment Adjust the voltage and current with the Voltage Current adjustment knob By default the voltage and current knob work in coarse mode In...

Page 7: ...lowing list Baud rate 9600 Parity bit None Data bit 8 Stop bit 1 Data fow control None Functionality Check Run this query command via the terminal application such as MTTTY Multithreaded TTY This should return the idenitifcation information Manufacturer model name serial number TENMA 72 2535 SN xxxxxxxx Vx xx Entering the Remote Control Mode Connect the USB The power supply will automatically conn...

Page 8: ...oltage setting Example VSET1 Returns the CH1 voltage setting 5 IOUT X Description Returns the actual output current Example IOUT1 Returns the CH1 output current 6 VOUT X Description Returns the actual output voltage Example VOUT1 Returns the CH1 output voltage 7 BEEP Boolean Description Turns on or off the beep Boolean boolean logic Example BEEP1 Turns on the beep 8 OUT Boolean Description Turns o...

Page 9: ...ting Boolean 0 OFF 1 ON Example OCP1 Turns on the OCP 14 OVP Boolean Description Turns on the OVP Boolean 0 OFF 1 ON Example OVP1 Turns on the OVP Specifications Note The specifications in the table below have all been tested in temperatures ranging from 25 C down to 5 C and after being warmed up for 20 minutes Part Number 72 10480 72 2535 72 2540 72 2545 72 2550 72 2925 72 2930 72 2935 72 2940 Vo...

Page 10: ...mber 72 10480 72 2535 72 2540 72 2545 72 2550 72 2925 72 2930 72 2935 72 2940 Setup Accuracy 25 C to 5 C Voltage Current 0 5 20mV 0 5 5mA 0 5 20mV 0 5 10mA 0 5 30mV 0 5 5mA 0 5 20mV 0 5 20mA 0 5 30mV 0 5 10mA Ripple 20 20m Voltage Current 1mVrms 3mArms 2mVrms 3mArms 1mVrms 3mVrms 2mVrms 5mVrms 1mVrms 3mVrms Temperature Coeffcient Voltage Current 150ppm 150ppm 150ppm 150ppm 150ppm 150ppm 150ppm 150...

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