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TECHNICAL FEATURES
NivOil CU/12 – Alarm device
Main power supply:
Power consumption:
Housing protection:
Temperature limits:
Sensor inputs:
Monitoring:
Display and signals:
Front panel:
Outputs:
Ex protection class:
ATEX certificate:
CE Marks:
ATEX:
531 M1 02 A
16-07-2010
10...27 V DC
0.1 W / 12 V DC (3 sensors operating, 1 monitoring per hour)
IP65, according EN 60529
-20...+60 °C
3 inputs with automatic sensor type detection for hydrocarbon fluids
layer thickness, overfill level, sludge layer level
The alarm device NivOil has an auto-diagnostic of measuring loop.
An alarm signal occurs in case of dysfunction due to a short circuit
or a broken cable.
1 function signal LED (green) on each channel
1 alarm signal LED (red) on each channel
Built-in audible alarm, disabled by DIP switch configuration
2 push buttons for diagnostic test and alarm clearance
3 relay outputs, 250 V AC / 0.45 A / 10 W, potential free change over
contacts
I 3 (1) G Ex nAC [ia Ga] IIB / IIA T4 Gc
BVS 10 ATEX E 011
According to EC directives,
Low Voltage Guidelines: RL 2006/95/EG & RL93/68/EWG,
EMV Guidelines: RL 89/336/EWG (EN 61326)
RL 94/9/EG (ATEX 95)
EN 60079-0 (General requirements)
EN 60079-11 (Intrinsic safety)
EN 60079-26 (Group II; category 1G)
The alarm device NivOil may be installed in zone 2.
(1)
For intrinsic safety parameters [U
(2)
see details in the ATEX certificate.
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, P
and C
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