VEGA VEGAPULS 81 - Manual (Page 20)

20 VEGAPULS 64 and 81
Technical data
Error limits
Linearity error < 0,1 %
Temperature drift 0,015 %/10 K
0 … 20 mA current output of the
compact instruments (DA-converter) 0,025 %
Characteristics
Frequency 5,8 GHz (USA 6,3 GHz)
Intervals 0,1 s
Resolution 1 mm
Min. span (min/max adjustment)
- analogue output signal 10 mm
- digital output signal 5 mm (50 mm at a measuring range > 32 m)
Beam angle (at –3 dB)
- horn antenna
DN 100 30 °
DN 150 20 °
DN 250 14 °
- rod antenna 24 °
Ambient conditions
Vessel pressure
- general
0 … 16 bar
- option 0 … 64 bar
- PP-flange (VEGAPULS 64) 0 … 0,5 bar
- StEx Zone 10 (VEGAPULS 64) 0 … 1,15 bar
Ambient temperature on the housing
- VEGAPULS 64
-30 ° C … +60 ° C
- VEGAPULS 81 -30 ° C … +65 ° C (non-Ex-area)
-20 ° C … +60 ° C (Ex-area)
Flange temperature
- types F… -40 ° C … +150 ° C
- types D… -100 ° C … +200 ° C
- PP-flange (VEGAPULS 64) -40 ° C … +80 ° C
- option (with cooling facility) more than 1000 ° C (product temperature)
Storage and transport temperature -40 ° C … +80 ° C
Protection IP 67
Protection class I
Overvoltage category III
Self-heating VEGAPULS 64… StEx at an ambient temperature of 40 ° C
StEx-instruments reach 45 ° C on the flange and
55 ° C on the housing.