VEGA VEGABAR 87 HART and accumulator pack - Operating Instructions - Manual (Page 53)

53
10 Supplement
VEGABAR 87 • HART and accumulator pack
45045-EN-131107
DC plug (inside plus, outside minus) 2.1 mm
Integrated accumulator
Type
Lithium ions
Voltage 14.8 V
Accumulator capacity 4.7 Wh
Charging period from 0 % to 100 %
approx.
4 h
Operating time after 10 min. charging of
0 %
> 3 h
Operating time in mode 4 (sensor per-
manently on) with completely charged
accumulator
> 60 h
Temperature range
Ʋ Charge accumulator 0 … +45° C (+32 … +167 °F)
Ʋ Accumulator operation -20 … +60° C (-4 … +140 °F)
Temperature derating accumulator capacity
Ʋ +25° C (+77 °F) 100 %
Ʋ -10° C (+14 °F) 50 %
Potential connections in the instrument
Electronics
Not non-floating
Ground terminal Galvanically connected with the process fitting
Electrical protective measures
Housing material Version IP-protection class NEMA protection
Plastic Single chamber IP 66/IP 67 NEMA 4X/6P
Double chamber IP 66/IP 67 NEMA 4X
Aluminium Single chamber IP 66/IP 68 (0.2 bar)
IP 68 (1 bar) NEMA 4X/6P
-
Double chamber IP 66/IP 67
IP 66/IP 68 (0.2 bar) NEMA 4X
NEMA 4X
Stainless steel, electro-
polished
Single chamber
Single chamber IP 69K
IP 66/IP 68 (0.2 bar) -
NEMA 4X/6P
Stainless steel, investment
casting
Single chamber IP 66/IP 68 (0.2 bar)
IP 68 (1 bar) NEMA 4X/6P
NEMA 4X
Double chamber IP 66/IP 67
IP 66/IP 68 (0.2 bar) NEMA 4X
NEMA 4X
Stainless steel Transmitter for external
housing
IP 68 (25 bar) -
Overvoltage category III
Protection class II