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Your Safety
Danger due to explosion
Opening the photometer in the explosive area can lead to an explosion.
u
Only open the device after the service voltage has been interrupted and disconnected from all conductors.
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Do not make any amendments to the housing. There is no provision for repair of the flameproof joint.
Danger from electricity
The device is operated with 24 VDC. If a power supply unit (100...240 VAC) is also used, there is a risk of electric
shock with fatal consequences if open cables are touched.
u
Do not operate the device unless it has been properly installed and repaired
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Only operate the device if all cables are undamaged.
u
Never operate the power supply with the case removed or open.
Danger due to high pressures
Servicing, repairs or adjustments to a pressurized pipeline may result in personal injury, damage to the equipment
or property damage to the infrastructure.
u
Be sure to drain the process line before removing the photometer.
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Always consult the
Danger due to liquids
Escaping medium at the device or at the connections can lead to flooding of the room and cause material damage
to the infrastructure.
u
Check for leaks regularly.
Ingress of moisture and condensation on electronic components can cause damage.
u
Carry out servicing and repair work inside the device only in dry rooms and at operating or room temperature.
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Avoid accumulation of condensation on optical and electrical surfaces.
Danger from aggressive chemicals used for cleaning
The use of aggressive cleaning agents may damage components of the device.
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Do not use aggressive chemicals or solvents for cleaning.
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If the device has nevertheless come into contact with aggressive chemicals, check it immediately for damage.
Risk of leakage at the sample tube
Leakages at the sample tube can lead to escaping medium. Contact with the medium can lead to burns, chemical
burns or poisoning with a fatal outcome.
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Ensure that the device meets the requirements of the medium.
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Take protective measures and wear protective clothing.
Faulty measured value display during operation
An incorrect measured value display cannot be ruled out in accordance with the risk assessment of the used safety
standard DIN EN 61010-1.
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Apply the access code to prevent parameters from being changed by unauthorised persons.
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Perform the specified servicing duty.
Unauthorised Internet access
Unauthorised access to the Internet by third parties can change the configuration and therefore faulty measure-
ments cannot be ruled out.
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Ensure compliance with the safety measures on the part of the operator to prevent unauthorised Internet ac-
cess.
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instruction manual [} 16]
for servicing, repairs or adjustments to pipelines.
(Nameplate
[} 19]).
SIGRIST-PHOTOMETER AG
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