11116552.11 EN/DE/FR/ES 03/2022
13WIKA operating instructions pressure transmitter, models E-10 and E-11
EN
5.2 Mechanical mounting
Electrical connection hexagon: Only use it to secure the transmitter when mounting it on the electrical conduit or as a counterholder when
removing the metal protective cap (spanner width 27).
Process connection hexagon: Use it to install the transmitter process connection (spanner width 27) Max. 50 Nm [36.9 foot-pounds]
Drainage opening
Spanner ats of the metal protective cap: Only use them to remove the metal protective cap when using an electrical conduit
(spanner width 24).
Metal protective cap
Plastic protective cap
Requirements for the mounting point
The mounting point must meet the following conditions:
■
Sealing faces are clean and undamaged.
■
Sucient space for a safe electrical installation.
■
For information on tapped holes and welding sockets, see Technical information IN 00.14 at www.wika.com.
■
Permissible ambient and medium temperatures remain within the performance limits. Consider possible restrictions
on the ambient temperature range caused by mating connector used.
→ For performance limits, see chapter 9 “Datos técnicos”
■
With ush process connections (model E-11), remove the protective cap not until shortly before mounting.
During installation, ensure that the diaphragm is not damaged.
■
With model E-10, a sealing must be tted to the process connection. Exceptions are instruments with self-sealing
thread (e.g. NPT thread). For model E-11, the sealing ring is included in the delivery.
For further information on sealings, see WIKA data sheet AC 09.08
5. Commissioning, operation
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