ST-HDoC / ST-HDoC-MM
30
Manual range and Auto range
Press the key to change the value, press the
Key for auto measurement
Data hold
Press the key to hold the data, the color will change to
Green, when the data is held. Press it again to quit and resume
normal operation.
Relative value measurement
Press the key to enter relative value measurement.
The tester will display the relative value in red. Press it
again to quit and resume normal use.
The hold function and the relative value can be combined,
the display value will be yellow.
Voltage protection
Input voltage not to exceed 660V AC/DC, applying
overvoltage to the tester will damage it, and may cause
bodily harm.
Resistance、Continuity、Diode、PTC component Protection
Incorrect input voltage will trigger the protection mode which is only suitable for a short time.
If the input voltage is over 600V, it will damage the tester and may cause bodily harm.
mA current fuse range ：250V 1A
When using the 660mA fused socket, if over 250v is applied, the glass fuse will melt to protect the
meter. Please be sure to change the fuse with an identical type (fuse located behind battery).
Note: 10A socket does NOT have fuse protection, if over current is applied it will damage the
tester, and may cause bodily harm.
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