28 II Ex
Calibration Information
10
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
gaq105.eps
Figure 1. Current Fuse Test
Battery Replacement
Replace the batteries with three AAA batteries (NEDA 24A IEC LR03).
XWWarning
To prevent possible electrical shock, fire, 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.
Replace the batteries as follows and refer to Figure 2:
1. Turn the rotary switch to OFF and remove the test leads from the terminals.
2. Remove the six Torx-head screws from the case bottom and remove the battery door
(item ).
Note
When you lift the battery door, make sure the rubber gasket stays attached
to the battery compartment barrier.
3. Remove the three batteries and replace all three with AAA Alkaline batteries
(item ).
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General
Weight and Dimensions
