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1839 Speci cations
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signi cant damage to the meter if the user does not follow the procedures.
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• If an AC generator is installed on the vessel, it must be stopped
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• Verify that no other DC or AC sources are connected to the vessel's
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M2 Head Unit
Surface Mount Bezel
Surface Mount Gasket
and Seal
Surface Mount Cover
Flat Mount Bezel
Flat Mount Clamp
Mounting Ring
Mounting Nut
Connector
Screwdriver
Retail Package Only
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Header
#6-32 x 1/4"
Flat Head
Machine Screws
(4X)
Bezel
Panel
Mount
Frame
#6-32 x 3/8"
Carrier
Flat Head
Mount
Machine Screws
(4X)
Footer
#8 x 1/2"
Flat Head Sheet
Metal Screws
(4X)
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1. Make all connections to the meter's terminal block before connecting the terminal block to the unit.
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2. As the nal DC connection, insert a fuse into the in-line fuse holder on the wire to the positive (+) battery terminal.
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Flat Mount
3.34" (84.8mm)
3.00" (76.2mm)
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M2 Digital Meters have three mounting methods: surface mount, at panel mount, and 360 panel mount. When surface mounted per instructions the
unit face is waterproof to IP66. Flat panel and 360 panel mounting systems are not waterproof. The unit should not be at panel or 360 panel mounted
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Surface Mount
Ø2.125"
(54mm)
3.40" (86.5mm)
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