3-16
IM 701240-01E
Precautions When Using the High Voltage Differential Probes
Be sure to connect the GND lead of the differential probe (700924/700925) to
the functional ground terminal on the right side panel of the SL1400. Otherwise,
high voltage may appear at the BNC connector making it dangerous.
Maximum Input Voltages and Maximum Allowable Common Mode Voltages
for the Modules
Applying a voltage exceeding the value indicated below may damage the input
section. If the frequency is above 1 kHz, damage may occur even when the
voltage is below this value.
• For the 701250 (HS10M12)
Maximum input voltage (at a frequency of 1 kHz or less):
• Combined with the isolated probe 700929 (10:1)
1
600 V (DC+ACpeak)
• Safety cable (1:1) (combined with 701901+701954)
5
200 V (DC + ACpeak) (as a value that meets the safety standard)
250 V (DC + ACpeak) (maximum allowable voltage, as a value that does not
damage the instrument when applied)
• Direct input (cable that does not comply with the safety standards)
9
42V (DC+ACpeak)
Maximum allowable common mode voltage (at a frequency of 1 kHz or less)
• Combined with the isolated probe 700929 (10:1)
2
or safety cable (1:1)
(combined with 701901+701954)
8
400 Vrms (measurement category Other (O)), 300 Vrms (CAT II)
• Direct input (cable that does not comply with the safety standards)
10
42 V (DC+ACpeak) (CAT II, 30 Vrms)
• For the 701251 (HS1M16)
Maximum input voltage (at a frequency of 1 kHz or less)
• Combined with the isolated probe 700929 (10:1)
1
600 V (DC+ACpeak)
• Safety cable (1:1) (combined with 701901+701954)
5
or direct input
9
140 V (DC+ACpeak)
• Direct input (cable that does not comply with the safety standards)
9
42V (DC+ACpeak)
Maximum allowable common mode voltage (at a frequency of 1 kHz or less)
• Combined with the isolated probe 700929 (10:1)
2
or safety cable (1:1)
(combined with 701901+701954)
8
400 Vrms (measurement category Other (O)), 300 Vrms (CAT II)
• Direct input (cable that does not comply with the safety standards)
10
42 V (DC+ACpeak) (CAT II, 30 Vrms)
• For the 701255 (NONISO_10M12)
This module is non-isolated. Be sure to fasten the module screws when
measuring a voltage above 42 V on this module. In addition, use the dedicated
701940 non-isolated passive probe (10:1).
Maximum input voltage (at a frequency of 1 kHz or less)
• Combined with the 701940 passive probe (10:1)
600 V (DC+ACpeak)
• Direct input (cable that does not comply with the safety standards)
9
200 V (DC + ACpeak) (as a value that meets the safety standard)
250 V (DC + ACpeak) (maximum allowable voltage, as a value that does not
damage the instrument when applied)
3.7 Connecting Probes
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