Endress+Hauser Proline 800, Краткое руководство по эксплуатации

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Electrical connection Proline 800 Cellular radio
32 Hauser
5.7.2 Inserting batteries into the external battery pack
L
WARNING
Batteries may explode if not handled properly!
‣
Do not recharge batteries.
‣
Do not open batteries.
‣
Do not expose batteries to naked flame.
Observe the specified temperature range of the batteries.
1 → 2 → 3
T20
2.
1.
T20
1.
2.
2.5 Nm
(1.8 lbf ft)
A0042984 A0044283 A0043783
‣
Open the connection
compartment cover.
‣
Insert new batteries.
‣
Close the connection
compartment cover.
The device does not display the remaining capacity of the external batteries. The value
on the display refers exclusively to the batteries fitted internally. If internal and external
batteries are connected, the external batteries are used first of all, and then the internal
batteries are used.
5.8 Ensuring potential equalization
L
CAUTION
Insufficient or faulty potential equalization.
May destroy the electrodes and thus result in the complete failure of the device!
‣
Pay attention to in-house grounding concepts
‣
Take account of operating conditions like the pipe material and grounding
‣
Connect the medium, sensor and transmitter to the same electrical potential
‣
Use a ground cable with a minimum cross-section of 6 mm 2 (0.0093 in 2 ) for potential
matching connections