HE 5411 Operating Instructions
#340411 | version 1.7
2.4 Device Identification
Note!
The HE 5411 differential pressure transducer is available in three
different designs. The corresponding device identification can be seen on
the nameplate. Devices with a measuring range of ± 1.25 mbar
(regardless of the device version) do not have any ATEX certification!
The devices with 19…36 V DC are marked with:
The devices with 100…240 V AC are marked with:
The devices with a measuring range of ±1.25 mbar are marked with:
Use in Zone 22 for dust during normal operation
Denotes electrical equipment.
Standards of the EN 60079-0ff. series have been applied.
Type of ignition protection:
maximum permissible surface temperature
dust-tight and protected against water jets
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