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Chapter 2. Installation & Setup
Safety and Agency Approvals
DMS-3K models are CE certified for operation under the following conditions:
Indoor Use
Altitude:
Operating Temperature:
Relative Humidity:
Transient Over-Voltages
Pollution Degree
Equipment Category
Operating Voltage Ranges 120/240 Vac, 50/60 Hz
WARNING – To comply with the electrical safety requirements, use of a 125V dc Field Contact
Voltage is only permitted as shown in the table below:
Safety requirements table when using 125V dc Field Contact Voltage (FCV)
Field Contact Voltage derived from
Station Battery (not subject to voltage transients)
Mains Power supply (mains voltage below 150V)
Mains Power supply (mains voltage above 150V)
Up to 2000 m
–20 to 60 ˚C (–4 to 140 ˚F)
20 – 95 % non-condensing
2500 V (Installation or Measurement Category II)
2
Permanently Connected
125 Vdc
24 Vdc
125 V FCV Permitted
Yes
Yes
No
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