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Rosemount Tank Radar REX
Chapter 14 Technical Data
14-8
Installation Manual
308014EN, Edition 4
May 2013
14.6 Data Acquisition Unit, DAU 2100
Ambient operating temperature -40°C to +65°C (-40°F to +149°F)
Display (option): -30°C (-22°F)
Temperature sensor elements Pt 100 single or multispot.
Number of sensor elements Max. 14 per DAU.
Temperature measuring range Range 1
-50°C to 125°C (-58°F to +257°F)
Range 2
-50°C to +300°C (-58°F to +572°F)
Range 3
-200°C to +150°C
(-330°F to +302°F)
Temperature resolution 0.1°C (0.18°F)
Accuracy (excl. sensor) ±0.2°C (±0.36°F) for temperatures
within -20°C to +100°C
(-40°F to +212°F).
±0.5°C (±0.9°F) for other
temperatures.
Display (optional) 6-digit LCD.
Available data on display Level, ullage, spot temperature,
average temperature, level rate,
signal strength.
Hazardous locations certifications ATEX CE0575
Ex ia IIB T4 Ga (EN50020 Europe)
Class I, Div I, Groups C and D
(UL913 USA).
Ex ia IIB T4 Ga (IECEx)
Power supply Intrinsically safe supply from Radar
Tank Gauge.
Field bus Intrinsically safe local line from
Radar Tank Gauge.
Cable entry 9-18 mm.