Emerson 308014EN Manuel D’Utilisation

Page de 166
14-3
Rosemount Tank Radar REX
Chapter 14 Technical Data
Installation Manual
308014EN, Edition 4
May 2013
14.1.2
Relays
Contact rating (resistive load)
250 V, 4 A
Contact life
> 100 000 op.
14.1.3
Analog Output
Galvanic isolation
>1500 V RMS or DC
Range
4-20 mA
Alarm Level
3.8 mA, 22 mA, freeze, Binary 
High, Binary Low.
Resolution
0.5 μA (0.003%)
Linearity
± 0.01%
Temperature drift
±50 ppm/°C (±28 ppm/°F)
Output impdeance
> 10 M
Voltage compliance
7-30 V (passive output)
External loop resistance
> 700 
 (passive output with 24 V 
external supply)
< 300 
 (active output)
14.1.4
External Display
Supply (D+) U
max
11.8 V
Supply (D+) I
max
217 mA
Signal (DS) U
max
5.9 V
Supply (DS) I
max
54 mA
14.1.5
Temperature Inputs
Temperature measuring range
-50°C to 250°C (-58°F to +482°F)
Temperature resolution
0.1°C (0.18°F)
Accuracy
±0.1°C (±0.18°F) @0°C (32°F).
±0.2°C (±0.36°F) @100°C (212°F).