KROHNE BM 702 A EN - Manual (Page 49)

TECHNICAL DATA
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BM 702 A
www.krohne.com 09/2009 - 4000643301 - MA BM 702 A R01 en
8.2 Technical data
INFORMATION!
•
The following data is provided for general applications. If you require data that is more
relevant to your specific application, please contact us or your local representative.
• Additional information (certificates, special tools, software,...) and complete product
documentation can be downloaded free of charge from the website (Downloadcenter).
Measuring system
Measuring principle 2-wire loop-powered level transmitter; X-band FMCW radar
Application range Level measurement of liquids, pastes and slurries
Primary measured value Δf (change in frequency) between the emitted and received signal
Secondary measured value Distance, level and volume
Design
Construction The measurement system consists of a measuring sensor (horn or Wave-Stick
antenna) and a signal converter which is available in a compact version.
Options Integrated graphical display
High-temperature version (max. +250°C / +480°F, dep. on used gaskets)
Special version (with PFA gaskets) for low temperatures
(min. -60°C / -76°F)
Version for food application with dairy screw or Tri-clamp connection
Antenna purging system for horn antenna (supplied with ¼ NPTF connection)
Wave-Guide antenna
Wave-Stick: PTFE flange plate
Heated or cooled antenna for sticky products or high-temperature applications
Accessories Weather protection
Antenna extensions of 100 mm / 3.9" length; 90° bent; S-shaped
Max. measuring range 30 m / 98 ft
Depends on the antenna option, dielectric constant of the product and installation
type. Refer also to "Antenna selection".
Min. tank height 0.5 m / 19.7"
Min. block distance 0.2...0.5 m / 0.7...1.6 ft
Beam angle of antenna Horn DN80 / 3", type 1: 16°
Horn DN100 / 4", type 2: 12°
Horn DN150 / 6", type 3: 8°
Horn DN200 / 8", type 4: 6°
Wave-Stick 25 mm / 1": 9°
Wave-Guide / stilling well 25...200 mm / 1...8": Propagation only inside the stilling
well
Display and user interface Display and user interface Display and user interface Display and user interface
Display Graphical display (64 x 128 pixels)
Interface languages English, German, French, Italian, Spanish, Portuguese, Swedish
Measurement units Lengths: m, cm, mm, inch, ft
Volume: m
3 , Liter, US Gal, GB Gal, ft 3 , bbl, free unit (customer defined)
.book Page 49 Thursday, September 3, 2009 2:53 PM