Siemens SITRANS LG250 Operating Instructions Manual page 69

-60°C
(-140°F)
Fig. 36: Ambient temperature - process temperature, elastomer-free version for ammonia applications
1 Ambient temperature
2 Process temperature (depending on the seal material)
3 Maximum permissible temperature - standard
4 Limited temperature range - plastic housing and stainless steel housing, electropolished
Viscosity - dynamic
Vibration resistance
Ʋ Instrument housing
Ʋ Coax probe
Shock resistance
Ʋ Instrument housing
Ʋ Coax probe
Electromechanical data - version IP 66/IP 67 and IP 66/IP 68; 0.2 bar
Cable gland
Wire cross-section (spring-loaded terminals)
Ʋ Massive wire, cord
Ʋ Stranded wire with end sleeve
Electromechanical data - version IP 66/IP 68 (1 bar)
Options of the cable entry
Ʋ Cable gland with integrated connec-
tion cable
Ʋ Cable entry
Ʋ Blind plug
Connection cable
Ʋ Wire cross-section
Ʋ Wire resistance
Ʋ Tensile strength
PBD-51041056
1
80°C
(176°F)
65°C
(149°F)
0°C
(32°F)
-40°C
(-104°F)
0.1 ... 500 mPa s (requirement: with density 1)
4 g at 5 ... 200 Hz according to EN 60068-2-6 (vibration
with resonance)
1 g with 5 ... 200 Hz according EN 60068-2-6 (vibration
at resonance) with tube length 50 cm (19.69 in)
100 g, 6 ms according to EN 60068-2-27 (mechanical
shock)
25 g, 6 ms according to EN 60068-2-27 (mechanical
shock) with tube length 50 cm (19.69 in)
M20 x 1.5 or ½ NPT
0.2 ... 2.5 mm² (AWG 24 ... 14)
0.2 ... 1.5 mm² (AWG 24 ... 16)
M20 x 1.5 (cable: ø 5 ... 9 mm)
½ NPT
M20 x 1.5; ½ NPT
0.5 mm² (AWG 20)
< 0.036 Ω/m
< 1200 N (270 lbf)
SITRANS LG250 - Operating Instructions
2
130°C 150°C
(266°F) (302°F)
3
4
69