28 II Ex
Users Manual
38
Touch top half
of input contacts
Good 11 A fuse: 0.0 Ω to
0.5 Ω
Replace fuse: OL
Good 0.44 A fuse: 0.995 kΩ to
1.005 kΩ
Replace fuse: OL
grt08.eps
Figure 10. Current Fuse Test
How to Replace the Batteries
Replace the batteries with three AAA
batteries (NEDA 24A IEC LR03).
XWWarning
To prevent electrical shock or personal
injury:
• Replace the batteries when the low
battery indicator () shows to prevent
incorrect measurements. If the display
shows “” the Product will not
function until the batteries are replaced.
• Use only three AAA 1.5-volt batteries,
correctly installed to power the Product.
See item 5.1 in the Safety Information for
a list of approved batteries. All batteries
are to be replaced at the same time with
same part number batteries outside the
Ex-hazardous area.
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