
Part 1:xi
IM 701210-05E
• Precautions to Be Taken When Using the Probes
• When measuring high voltages using the 701250 (HS10M12) or the 701251
(HS1M16), use isolated probes (700929),1:1 safety cable (combination of
701901 and 701954), or differential probes (700924).
•
Be sure to connect the GND lead of the differential probe (700924) to the
functional ground terminal of the DL750/DL750P. High voltage may appear at
the BNC connector of the differential probe. Be sure to connect the GND lead to
the DL750/DL750P before connecting the probe to the parameter to be
measured.
•
When using the 701255 (NONISO_10M12), be sure to fasten the module
screws. Fastening the module screws activates the protection function and the
non-isolation function. It is extremely dangerous if you do not fasten the screws.
In addition, when measuring high voltage above 42 V, be sure to use the
Passive Probe for the DL750/DL750P (701940).
•
The BNC part of the Passive Probe for the DL750/DL750P (701940) is made of
metal. Therefore, use the probe at 42 V or less for isolated inputs (701250
(HS10M12), 701251 (HS1M16), 701260 (HV(with RMS)), etc.) for safety
reasons. (Do not connect voltage above 42 V to both the High and Low sides.)
For non-isolated inputs (701255 (NONISO_10M12), etc.), fasten the module
screws as described before.
•
When applying high voltage using the 701260 (HV(with RMS)), use the 1:1
safety cable (combination of 701901 and 701954) or the isolated probe
(700929).
•
The measurement category of the 701260 (HV (with RMS)) is 400V-CAT II for
the low side and 700V-CAT II for the high side. Use caution because the
overvoltage tolerance differs between the low and high sides.
See below for operating environment limitations.
CAUTION
This product is a Class A (for industrial environments) product. Operation of this
product in a residential area may cause radio interference in which case the
user will be required to correct the interference.
Safety Precautions