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725 ex
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Fluke 725 ex [5/6] Faults and damage

Multifunction Process Calibrator

Safety Information

• The MEASURE/SOURCE terminals on the Calibrator are

sensitive to Electro-static discharge (ESD) at levels above

±2 kV. The Calibrator can experience temporary loss of

measurement or source functionality. This can require

you to restore product function, or cause permanent

damage to the Calibrator. Usually, a disruptive ESD event

occurs only when you connect the test leads to the

circuits being measured or if you have a large static

charge and touch the Calibrator terminals. The most

common cause of ESD is a user that carries the Calibrator

across a carpet, or other similar triboelectric activity,

before they connect to the circuit being measured.

Faults and Damage

Applying a voltage >30 V to the input of the Calibrator invalidates

its Ex Approval and may impair its safe operation in an Ex

hazardous area. See Ex Hazardous Areas in the Users Manual.

If there is any reason to suspect that the safe operation of the

Calibrator has been affected, it must be immediately withdrawn

from use, and precautionary measures must be taken to prevent

any further use of the Calibrator in an Ex hazardous area. See

Ex Hazardous Areas in the Users Manual.

Fully observe all instructions, warnings, and cautions contained

in this manual. In case of doubt due to translation and/or printing

errors, refer to the original English Users manual.

The safety features and integrity of the unit may be compromised

by any of the following:

• External damage to the case

• Internal damage to the Calibrator

• Exposure to excessive loads

• Incorrect storage of the Calibrator

• Damage sustained in transit

• Certification markings are illegible

• Functioning errors occur

• Permitted limitations are exceeded

• Functioning errors or obvious measurement inaccuracies

occur which prevent further measurement by the Calibrator

• Opening the case

Safety Regulations

The use of the Calibrator meets the requirements of the

regulations providing that the user observes and applies the

requirements as stated in the regulations and that improper and

incorrect use of the Calibrator is avoided.

• Use must be restricted to the specified application

parameters.

• Do not open the Calibrator.

• Do not remove or install the batteries within the Ex

hazardous area. See Ex Hazardous Areas in the Users

Manual.

• Do not carry additional batteries within the Ex hazardous

area. See Ex Hazardous Areas in the Users Manual.

• Use only type-tested batteries. The use of any other

batteries will invalidate the Ex-certification and present a

safety risk.

• Do not use the Calibrator in any circuit where the voltage or

transients may exceed 30 V.

• Only use the Calibrator in circuits with compatible entity

parameters. When the calibrator is used in an Ex hazardous

area, unless the area is known to be safe, do not connect to

any circuits that exceed the entity parameters defined on

the 725Ex CCD. See Ex Hazardous Areas in the Users

Manual.

Fluke 725 ex [5/6] Faults and damage

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