Improper Device Modifications; Safety Precautions - Siemens SITRANS 7ML1100 Compact Operating Instructions

Ultrasonic level transducers

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Safety notes

2.1 Preconditions for use

2.1.3

Improper device modifications

Risk to personnel, system and environment can result from modifications to the device,

particularly in hazardous areas.

• Only carry out modifications that are described in the instructions for the device. Failure

2.1.4

The ST-H transducer body is a two part design molded in PVDF or ETFE with internal parts

potted in epoxy. The joint between the upper and lower sections is not a hermetic seal. The

structural integrity of the transducer will be compromised if the joint is exposed to an

environment that attacks epoxy. As a result, the top section will separate from the main body

of the transducer.

For environments that are compatible with PVDF or ETFE but may degrade epoxy, the

transducer must be mounted through a flange or stub mount using the 2" thread on the lower

section of the transducer. The joint between upper and lower sections of the transducer must

be isolated from the corrosive environment.

①

②

WARNING

to observe this requirement cancels the manufacturer's warranty and the product

approvals.

Suitable for use in a corrosive environment

Not suitable for use in a corrosive environment

Compact Operating Instructions, 09/2018, A5E43390688-AB

Transducers

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