Safety and emc standards, Caution – Yokogawa JUXTA VJQ8 User Manual
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6
IM 77J01Q08-01E 4th Edition
Mar. 02, 2012-00
SAFETY AND EMC STANDARDS
CAUTION
This instrument is for Measurement Category I (CAT.I).
Do not use it for measurements in locations falling
under Measurement Categories II, III, and IV.
Internal Wiring
Outlet
Entrance
Cable
III
T
I
II
IV
Measurement
category
Description
Remarks
I
CAT.I For measurements performed
on circuits not directly connected
to MAINS.
II
CAT.II For measurements performed
on circuits directly connected to
the low-voltage installation.
Appliances,
portable
equipments,
etc.
III
CAT.III For measurements performed in
the building installation.
Distribution
board, circuit
breaker, etc.
IV
CAT.IV For measurements performed
at the source of the low-voltage
installation.
Overhead
wire, cable
systems, etc.
An analog input signal is measurement category I (CAT.I).
Rated transient overvoltage: 1500 V
(Note)
Note
This is a reference safety standard value for
Measurement Category I of IEC/EN/CSA/UL61010-1.
This value is not necessarily a guarantee of instrument
performance.
EMC standards: Complies with EN61326.
The above conformed instrument is only for voltage of 15 to 30
V DC.
* The instrument continues to operate at a measurement
accuracy of within ±20% of the range during testing.