Tenma KA3003D-2S Quick Start Manual Download | Manualshive

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The sound of the beep is sometimes a bit er-
ratic. When beep is turned off, some keys may
still occasionally beep. When beep is turned on,
an OCP or OVP trip will make the unit beep
once. If you press and hold the OCP/BEEP
button for 2 secs to turn beep on/off, it inadver-
tently changes the state of the OCP.

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Summary of Contents for KA3003D-2S

Page 1: ...rent of up to 2 8 A Important notes to avoid frustration Automatically switches between constant voltage CV and constant current CC modes There is a small voltage and current while the load is switched off 50mV 100 uA CH2 OUT LED stays on after CH2 OCP OVP trip disconnects the load CH2 OVP OCP buttons also control CH1 OVP OCP CH1 OVP OCP buttons only control CH1 OVP OCP The OCP and OVP LEDs apply ...

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Page 4: ...5 pairs ...

Page 5: ...ast pressed for Pressing ei ther the OCP or OVP button for a channel will toggle its state and up date both the OCP and OVP LEDs If you press and hold the OCP BEEP button for 2 secs to turn beep on off it inadvertently changes the state of channel 1 OCP Likewise pressing the PARA and SER but tons for 2 seconds will in advertently change the state of channel 2 OCP or OVP when entering in dependent ...

Page 6: ...When beep is turned off some keys may still occasionally beep When beep is turned on an OCP or OVP trip will make the unit beep once If you press and hold the OCP BEEP button for 2 secs to turn beep on off it inadver tently changes the state of the OCP ...

Page 7: ...s The voltage at the out put is the sum of the voltages on the CH1 and CH2 displays SER PAR M5 M5 OVP and OCP do not work in series and parallel modes even though their LEDs might be on When you exit serial or parallel mode the CH2 values remain repeated on the CH1 side and one memory LED is on for CH1 but the values on the CH1 display while being the currently used set values for CH1 are not actu...

Page 8: ...mode this is the desired constant voltage For use in constant current mode this is the desired voltage limit If you enable overvoltage protection the output switches off automatically if the volt age exceeds this value Current setting For use in con stant voltage mode this is the desired current limit For use in con stant current mode this is the desired constant current If you enable overcurrent ...

Page 9: ... OVP OCP CH1 OVP OCP buttons only control CH1 OVP OCP Pressing either the OCP or OVP button for a channel will toggle its state and update both the OCP and OVP LEDs with the OCP OVP states associated with that channel The above facts lead to some interesting but logical behavior You have to know what channel last updated those LEDs to know what channel the LEDs apply to Another example The OCP and...

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Page 11: ... Zero Calibration connect the positive pole and Negative pole of the multimeter leads into the output terminals respectively Then watch the voltmeter and adjust the knob to make the multimeter display in the range 0V 5mV After that the zero calibration is over Press the button M1 to save the calibration value 2 C u r r e n t Z e r o C a l i b r a t i o n p r e s s t h e b u t t o n VOLTAGE CURRENT...

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