AFA4000/1 Airflow Monitor / p.8
2.4 Operating conditions
2.4.1 General operation
The Airflow Monitor and associated equipment have been designed and tested in
accordance with the International Electrotechnical Commissions (IEC) safety
requirements. The Airflow Monitor conforms to IEC61010-1 (Safety Requirements for
electrical equipment for measurement, control and laboratory use) as it applies to IEC
Class 1 (earthed) appliances, and therefore meets the requirements of EC directive
2014/30/EU.
Adjustment, maintenance or repair of the equipment whilst covers are open or the
equipment is in operation is only to be done by skilled persons who are aware of the
potential hazards.
Make unsafe equipment inoperative.
Examples of unsafe equipment:
• Appears damaged
• Fails to perform correctly
• Has undergone transport stresses
• Has been stored incorrectly
2.4.2 Environmental conditions
Ensure the equipment is used under the following conditions:
• Indoors
• Temperature, 5°C to 40°C
• Relative humidity below 80% for temperatures up to 31°C, decreasing linearly to 50%
at 40°C
• Electrical supply fluctuations not to exceed +10% of nominal voltage
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