Siemens SITRANS LG250 Operating Instructions Manual page 70

Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ Temperature
Ʋ Relative humidity
Ʋ Air pressure
Installation reference conditions
Ʋ Min. distance to internal installations
Ʋ Vessel
Ʋ Medium
Ʋ Installation
Sensor parameter adjustment
2
Fig. 35: Measuring ranges - SITRANS LG250
1 Reference plane
2 Probe length L
3 Measuring range (default setting refers to the measuring range in water)
4 Upper dead band (see following diagrams - grey section)
5 Lower dead band (see following diagrams - grey section)
Typical deviation - Interface measure-
ment
With interface measurement = 2.0
5)
70
+18 ... +30 °C (+64 ... +86 °F)
45 ... 75 %
+860 ... +1060 mbar/+86 ... +106 kPa
(+12.5 ... +15.4 psig)
> 500 mm (19.69 in)
metallic, ø 1 m (3.281 ft), centric installation, process
fitting flush with the vessel ceiling
Water/Oil (dielectric constant ~2.0)
Probe end does not touch the vessel bottom
No gating out of false signals carried out
1
4
3
5
± 5 mm (0.197 in)
SITRANS LG250 - Operating Instructions
5)
4
2
3
5
1
PBD-51041387