Tenma 72-2685 Manual Download Page 7

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SPECIFICATIONS

Models

72-2685/72-2705

72-2960/72-2710

72-2695/72-2715

72-2700/72-2720

Voltage

Current

0-30V

0-3A

0-30V

0-5A

0-60V

0-2A

0-60V

0-3A

Load Regulation

Voltage

Current

≤0.01%+2mV

≤0.1%+5mA

≤0.01%+2mV

≤0.1%+5mA

≤0.01%+2mV

≤0.1%+5mA

≤0.01%+2mV

≤0.1%+5mA

Line Regulation

Voltage

Current

≤0.01%+3mV

≤0.1%+3mA

≤0.01%+3mV

≤0.1%+3mA

≤0.01%+3mV

≤0.1%+3mA

≤0.01%+3mV

≤0.1%+3mA

Setup Resolution

Voltage

Current

10mV

1mA

10mV

1mA

10mV

1mA

10mV

1mA

Setup Accuracy (-5°C to 25°C)

Voltage

Current

≤0.5%+20mV

≤0.5%+5mA

≤0.5%+20mV

≤0.5%+10mA

≤0.5%+30mV

≤0.5%+5mA

≤0.5%+30mV

≤0.5%+5mA

Ripple (20-20m)

Voltage

Current

≤1mVrms

≤3mArms

≤2mVrms

≤3mArms

≤1mVrms

≤3mArms

≤1mVrms

≤3mArms

Temperature Coefficient

Voltage

Current

≤150ppm

Read Back Resolution

10mV

1mA

10mV

1mA

10mV

1mA

10mV

1mA

Read Back Temperature Coefficient

≤150ppm

Interfaces

USB RS232, for models 72-2705, 72-2710, 72-2715 & 72-2720

Weight & Dimensions

(WxHxD)

110x156x260mm

4kg

4.8kg

Summary of Contents for 72-2685

Page 1: ...1 Models 72 2685 72 2690 72 2695 72 2700 72 2705 72 2710 72 2715 72 2720 Digital Control Programmable DC Power Supply ...

Page 2: ...ng Avoid severe impacts or rough handling that leads to damage Do not discharge static electricity This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved ...

Page 3: ... two modes can be switched between by pressing the voltage adjustment control and the current adjustment control at the same time and holding for two seconds Front panel controls 1 Displays the setup value of the output current 2 Voltmeter displays the setup value of the output voltage 3 Constant current mode 4 Constant voltage mode 5 Over current protection active 6 Panel LOCK indicator 7 Adjustm...

Page 4: ... knobs to adjust the voltage and current values The default resolution of the voltage initial settings is 1V while that of the current is 100mA The voltage and current adjusting resolution can be changed by pressing the controls Lock Function Press and hold the voltage control for three seconds to lock the front panel and then press again and hold for 3 seconds to unlock Operation of Over Current ...

Page 5: ...current Example ISET1 2 225 Response time 50ms Sets the CH1 output current to 2 225A 2 ISET X Description Returns the output current setting Example ISET1 Returns the CH1 output current setting 3 VSET X NR2 Description Sets the output voltage Example VSET1 20 50 Sets the CH1 voltage to 20 50V 4 VSET X Description Returns the output voltage setting Example VSET1 Returns the CH1 voltage setting 5 IO...

Page 6: ... mode 1 2 3 4 5 N A 6 Output 0 OFF 1 ON 7 N AN A 9 IDN Description Returns the 72 2685 identification Example IDN 10 RCL NR1 Description Recalls a panel setting NR1 5 Memory number 1 to 5 Example RCL1 recalls the panel setting stored in memory number 1 11 SAV NR1 Description Stores the panel setting NR1 5 Memory number 1 to 5 Example SAV1 stores the panel setting in memory number 1 12 OCP NR1 Desc...

Page 7: ... 10mV 1mA 10mV 1mA 10mV 1mA Setup Accuracy 5 C to 25 C Voltage Current 0 5 20mV 0 5 5mA 0 5 20mV 0 5 10mA 0 5 30mV 0 5 5mA 0 5 30mV 0 5 5mA Ripple 20 20m Voltage Current 1mVrms 3mArms 2mVrms 3mArms 1mVrms 3mArms 1mVrms 3mArms Temperature Coefficient Voltage Current 150ppm 150ppm 150ppm 150ppm 150ppm 150ppm 150ppm 150ppm Read Back Resolution 10mV 1mA 10mV 1mA 10mV 1mA 10mV 1mA Read Back Temperature...

Page 8: ...area Made in China PR2 9PP Man Rev 1 0 MAINTENANCE Cleaning Use a damp cloth and a small amount of liquid detergent if necessary Never submerse the power supply in liquid or allow any liquid to enter the case Do not use any chemicals abrasives or solvents that could damage the power supply casing Changing the fuse Replace the fuse only with one of exactly the same type and rating Disconnect the ma...

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