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System-Related Functions

• WHour: the power statistics information, when the battery test mode

or battery simulation mode is turned on, the data will also be cleared.

• Reset Meas: The zero-clearing operation, when the instrument is re-

powered or the source /load is switched it will be also performed.

• Reset ReE: The zero-clearing regenerative power information

operation.

d. Press [Esc] to exit.

The information will display on the home screen when the Ext-Meter Disp

set to On in system menu, the operation refers to 7.4.7 Observe the DUT

Temperature and Total Historical Regenerative Power.

12.000V 10.000A

38.0℃ 1000.0Wh

7.6 UUT Over-Temperature Protection

UUT over-temperature protection function allows the user to enable the

protection and set a over-temperature limit (Level). This function monitors the

temperature of UUT and prevents the UUT damaged due to higher

temperature. The operation procedures refer to 7.5 外部温度测量。

An UUT over-temperature protection will occur if:

• enable UUT OTP

• The temperature of UUT is greater than the set protection point level.

Enable UUT OTP

1. Press the composite keys [Shift]+[R-set](Protect) to enter the Protect

menu.

2. Rotate the knob to select UUT OTP and press [Enter] to confirm.

3. Rotate the knob to select On and press [Enter] to confirm.

4. Rotate the knob and adjust the protection point Level and press [Enter] to

confirm.

5. Press [Esc] to exit.

Clear UUT OTP

When UUT OTP protection occurs, the instrument responds as follows:

• Instrument output is off;

• The buzzer sounds intermittently;

• The interface displays “UUT Over Temperature” and flashes;

• Status register, the UUT OT status bit is set to 1

ITech IT-M3300 Series User Manual

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