KROHNE BM 26 BASIC_ADVANCED Quickstart EN - Manual (Page 19)

TECHNICAL DATA
4
19
BM 26 BASIC/ADVANCED
www.krohne.com 10/2012 - 4000346904 - QS BM 26 Basic-Adv R04 en
Display and user interface Display and user interface Display and user interface Display and user interface
Display Indicator column with magnetically-coupled yellow/black rotating
flaps; no indicator column
Float failure indication Red/black rotating flaps at the bottom of the indicator column
Scale marking options No scale; m + cm; ft + inches; %
Measuring accuracy
Accuracy ± 10 mm / 0.4¨
Repeatability ± 10 mm / 0.4¨ (when density is constant)
Maximum rate of change 2 m/minute / 6.5 ft/minute
Operating conditions
Temperature Temperature Temperature Temperature
Process -40…+150°C / -40…+300°F
(Ex: see supplementary
instructions or approval
certificates)
-40...+300°C / -40…+570°F
(Ex: see supplementary
instructions or approval
certificates)
Ambient temperature -40…+80°C / -40…+176°F (Ex: see supplementary instructions or
approval certificates)
Storage temperature -50…+80°C / -58…+176°F
Pressure Pressure Pressure Pressure
Max. allowable operating
pressure
16 barg / 232 psig (according to
the length of the measuring
chamber. Also refer to
"Guidelines for maximum
operating pressure" in the
handbook.)
40 barg / 580 psig (according to
the flange pressure rating.
Alsorefer to "Guidelines for
maximum operating pressure" in
the handbook.)
Chemical properties Chemical properties Chemical properties Chemical properties
Density 0.8…1.19 kg/l / 49.9...68.7 lb/ft³ 0.58…2 kg/l / 36.2...124.8 lb/ft³
Viscosity ≤ 5000 mPas / ≤ 3.360 lb/ft³
Other conditions Other conditions Other conditions Other conditions
Ingress protection IP 68
Installation conditions
Recommendations Mount vertically on the side of tanks
Fit isolation valves on process connections to permit maintenance of
the bypass chamber (optional)
Dimensions and weights Refer to "Technical data: Dimensions and weights" in the Handbook
Materials
Chamber Standard: Stainless steel (1.4404 / 316L)
- Option: Hastelloy® C-276 2
Float Standard: Stainless steel
(1.4404 / 316L)
Stainless steel (1.4404 / 316L);
Titanium (for data on material
selection,refer to "Floats" in the
Handbook)
- Option: Hastelloy®
Indicator rail Stainless steel
Indicator tube Pyrex® glass (glass tube with a true hermetic seal) 3
Basic Advanced