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Protect Function

Voltage Protect” displayed in front panel is cleared and the instrument exits

UVP status.

6.6 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

To clear the UUT OTP and return to normal operation, firstly remove the

conditions that caused the protection fault. Press [Esc] key (or send the

command PROTection:CLEar) to clear the protection status. The “UUT Over

Temperature” displayed in front panel is cleared and the instrument exits OCP

status.

ITech IT-M3412 User Manual

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