
10
high and low voltage switch cabinets without external sensors. For the detection
of partial discharge of equipment such as cable terminals and cable branch
boxes, it is only necessary to connect the corresponding special sensor through
the sensor expansion port at the bottom of the host. The host can automatically
switch the measurement mode according to the different sensors. For sensors
that can be connected to ZXPD-200L, please refer to the optional part in Table 1
of the product configuration list.
3.2 System power on and off and status display
Power button
ZXPD-200L realizes the switch on and off by touch switch, only need to touch on
the power label, the status indicator will show the current working status of the
host after power on, if the power adapter is connected, and the indicator C Lights
up until the battery is fully charged.
The indicator S is used to show the status of data sampling or online status. In
normal measurement mode, the S status indicator flashes red, and when the
host is online (connected with PC) and the PC is successfully connected, the S
status indicator flashes green .
Indicator light
3.3 Test
3.3.1 Test with built-in sensor
There are two principles for the partial discharge detection of the switchgear: the