GRAPHTEC midi LOGGER HV User Manual page 41

When using
Please be sure to read the following carefully in order to prevent electric shocks or short circuit.
•
Maximum input voltage
If a voltage exceeding the specified value is input, the parts in the input area will be damaged. Never input a
voltage exceeding the specified value even for a moment.
< Between +/– terminals
• Maximum input voltage : Range of 20mV to 2V : AC/DC 30V
<Between input terminal and input terminal
Maximum input voltage
Withstand voltage
<Between input terminal and GND
Maximum input voltage
Expected transient overvoltage
[ Voltage measuring ]
+
A
-
+
B
-
B
+
-
GND
>
Range of 5V to 1000V : AC/DC 600V
>
: AC/DC 600V(CATⅢ)/ AC/DC 300V (CAT Ⅳ)
: AC/DC 5400V at 1 minute
>
: AC/DC 600V(CATⅢ)/ AC/DC 300V (CAT Ⅳ)
: AC/DC 5400V at 1 minute
[ Temperature measuring ]
+
-
+
C
-
+
-
C
GND
B
C
CHAPTER 2 Checks and Preparation
2-25