Technical data – KROHNE BM 26 BASIC_ADVANCED EN User Manual
Page 48
8
TECHNICAL DATA
48
BM 26 BASIC/ADVANCED
www.krohne.com
10/2012 - 4000347004 - HB BM26 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
on page 76.)
40 barg / 580 psig (according to
the flange pressure rating. Also
refer to
Guidelines for maximum
operating pressure
on page 76.)
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"
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
on page
78)
-
Option: Hastelloy®
Indicator rail
Stainless steel
Indicator tube
Pyrex® glass (glass tube with a true hermetic seal)
3
Scale (option)
Stainless steel
Basic
Advanced