KROHNE BM 70 M User Manual
Page 81
BM 70 M
81
Design
Versions: solid antenna or standard horn antenna, both with
flange connection DN200/PN16 or 8”/150 lbs
Dimensions and weights
Height above mounting flange:
•
solid antenna: 730 mm;
•
horn antenna: 420 mm
Weight: approx. 40-70 kg (depends on antenna design)
Signal converter:
Housing: Stainless steel 1.4435 (or 1.4539) with blue powder
coating
Sight window: borosilicate glass
Flange system / antenna:
stainless steel 1.4435 (or 1.4539)
Gaskets
FPM (Viton), Kalrez 6375 (others optional)
Materials
PTFE is also in contact with product)
Process connection
DIN 2501 DN 200 / PN 16, Form C to DIN 2526; or ANSI
B16.5 8", 150 lbs, RF
In the terminal compartment of the signal converter)
Terminals: 0.5-2.5mm² (solid conductor: max. 4mm²),
PE or FE: U-clamp terminal (max. 4 mm²)
Cable entries: 3x M25×1.5 or 3x NPT ½”
Cable shielding: required for RS485 line, recommended for
current output > 100 m
"Ex" equipotential bonding: U-clamp terminal (max. 4 mm²) at
"neck" of signal converter
Electrical connection
Rated temperature of cables: 70°C (80°C for Tamb > 55°C or
flange temp. > 135°C)
User interface (optional)
Keyboard 3
keys
Magnetic sensors
for control through the closed housing
Local display
2-line illuminated LCD display + 6 status markers
Operating & display language
English, German, French, Italian, Español, Português,
Swedish
Units
Length: m, cm, mm, inch, ft, %
Volume:
m
3
, Litre, US Gal, GB Gal, ft
3
, bbl, %
Conversion unit: any text
Programming
Menu structure and parameters identical with BM 70 P
Supply power
24 V DCAC version
18-31.2 V DC or 18-26.4 V AC (45-66 Hz)
115/230 V AC version
Switchable: 100-120 V AC (tolerance: 85-127V) /
200-240 V AC (tolerance: 170-254V); 45-66 Hz
Power consumption
Type 8 W / 12 VA
Certificates and approvals
Ex approvals
According to ATEX
Radio approvals
R&TTE (Europe); FCC (USA)
(based on general approvals for BM 70 A/P, BM 702)
Ship approvals
German Lloyd, Lloyds Registers, DNV, (ABS)