KROHNE BM 700 EN - Manual (Page 19)

BM 700 Installation and Operating Instructions Page 19
Product temperature Unrestricted, provided ambient temperature and flange
temperature are within the specified limits
Ambient temperature Signal converter (T
amb
): - 20°C (-4°F) to + 55°C (131°F)
Power supply
24 V DCAC 19.2 - 28.8 V DC or 20.4 - 26.4 V AC (45 - 66 Hz)
Power consumption (typical) approx. 6 W; AC: approx. 12 VA
Microwaves
Measuring principle FMCW Radar
Frequency range X-Band 8.5 - 9.9 GHz
Antenna radiation angle Type 3: ± 8° Type 4: ± 6° Wave-Stick: ± 9°
Ex-e current output HART
®
(active)
Current 4 - 20 mA; without or with error message 2 mA or 22 mA
Accuracy and linearity 0.15 %; TC=100 ppm/K
Load impedance < 350 Ohm
Digital communication HART
®
Ambient conditions
Environment class Locations exposed direct to open-air climate,
D1 Severity in conformity with EN 60654-1
Protection category
(converter) IP66 / IP67 (equivalent to NEMA 4 and 4X)
Electrical connection
Cable entries: 3 x M25 × 1.5 (US: with adapter ½ " NPT) (deli
vered with
2 cable glands 9-16 mm (0.35"-0.63") and 1 blind cap)
Terminals: Cable cross-section 0.5-2.5 mm² (AWG 20-14)
(solid conductor: max. 4 mm² (AWG 12))
U-clamp terminals (for PA and FE) cable cross-section max. 4 mm² (AWG 12)
8 BM 700 Level-Radar Type code
Series V96 or LP: Series WS:
xxx
Name plate
Converter
Name plate
Flange system
Flange material
optional: flange plate
(Vers. LPTFE/PTFE)
optional: antenna
(LP horn antenna)
Stick
(LPTFE/PTFE/PP)
Marking
Converter cover Terminal cover
xxx
xxx
Name plate
Converter
Name plate
Flange system
Flange material
Material "Metaglass" ring
High temperature distance piece
(optional)
Flange plating
(for Hastelloy, Ti, Ta)
Marking
Marking
Marking
Flange plating
(for Hastelloy)
Converter cover Terminal cover
(not for LP version)