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environment-friendly use period of this product is 40 years, during which it can be
used safely. Upon expiration of this period, it should enter the recycling system.
Safety Requirements
Warning
Preparation before use
Please connect this device to AC power supply with the power cable provided;
The AC input voltage of the line reaches the rated value of this device. See the
product manual for specific rated value.
The line voltage switch of this device matches the line voltage;
The line voltage of the line fuse of this device is correct.
Check all terminal
rated values
Please check all rated values and marking instructions on the product to avoid fire
and impact of excessive current. Please consult the product manual for detailed rated
values before connection.
Use the power cord
properly
You can only use the special power cord for the instrument approved by the local and
state standards. Please check whether the insulation layer of the cord is damaged or
the cord is exposed, and test whether the cord is conductive. If the cord is damaged,
please replace it before using the instrument.
Instrument Grounding
To avoid electric shock, the grounding conductor must be connected to the ground.
This product is grounded through the grounding conductor of the power supply.
Please be sure to ground this product before
it is powered on.
AC power supply
Please use the AC power supply specified for this device. Please use the power cord
approved by your country and confirm that the insulation layer is not damaged.
Electrostatic
prevention
This device may be damaged by static electricity, so it should be tested in the anti-
static area if possible. Before the power cable is connected to this device, the internal
and external conductors should be grounded briefly to release static electricity. The
protection grade of this device is 4KV for contact discharge and 8KV for air
discharge.
Measurement
accessories
Measurement accessories are of lower class, which are definitely not applicable to
main power supply measurement, CAT II, CAT III or CAT IV circuit measurement.
Use the input / output
port of this device
properly
Please use the input / output ports provided by this device in a properly manner. Do
not load any input signal at the output port of this device. Do not load any signal that
does not reach the rated value at the input port of this device. The probe or other
connection accessories should be effectively grounded to avoid product damage or
abnormal function. Please refer to the product manual for the rated value of the input
/ output port of this device.
Power fuse
Please use power fuse of specified specification. If the fuse needs to be replaced, it
must be replaced with another one that meets the specified specifications (Class T,
