VEGA VEGAFLEX 81 4 … 20 mA_HART two-wire Coax probe - Manual (Page 80)

80
11 Supplement
VEGAFLEX 81 • 4 … 20 mA/HART two-wire
42279-EN-130612
1
2
0°C
(32°F)
-40°C
(-104°F)
65°C
(149°F)
80°C
(176°F)
150°C
(302°F)
130°C
(266°F)
3
4
-60°C
(-140°F)
Fig. 45: 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 0.1 … 500 mPa s (requirement: with density 1)
Vibration resistance
Ʋ Instrument housing 4 g at 5 … 200 Hz according to EN 60068-2-6 (vibration
with resonance)
Ʋ Coax probe 1 g with 5 … 200 Hz according EN 60068-2-6 (vibration
at resonance) with tube length 50 cm (19.69 in)
Shock resistance
Ʋ Instrument housing 100 g, 6 ms according to EN 60068-2-27 (mechanical
shock)
Ʋ Coax probe 25 g, 6 ms according to EN 60068-2-27 (mechanical
shock) with tube length 50 cm (19.69 in)
Electromechanical data - version IP 66/IP 67 and IP 66/IP 68; 0.2 bar
Options of the cable entry
Ʋ Cable gland M20 x 1.5
Ʋ Cable diameter (options) 5 … 9 mm (0.20 … 0.35 in)
6 … 12 mm (0.24 … 0.47 in)
10 … 14 mm (0.39 … 0.55 in)
Ʋ Cable entry ½ NPT
Ʋ Blind plug M20 x 1.5; ½ NPT
Ʋ Closing cap M20 x 1.5; ½ NPT
Plug options
Ʋ Signal circuit Plug M12 x 1, according to ISO 4400, Harting HAN,
7/8" FF
Ʋ Indication circuit M12 x 1 plug
Wire cross-section (spring-loaded terminals)
Ʋ Massive wire, cord 0.2 … 2.5 mm² (AWG 24 … 14)