COMPRESSION LOAD CELL TYPE 61-71-810 pages

CELMI s.r.l. Largo Brugnatelli 13/16 20090 BUCCINASCO (MI) ITALY
Tel +39-0245712209 Fax +39-0245705836 Internet: www.celmi.com
COMPRESSION
LOAD CELL
TYPE 61-71-81
APPLICATIONS:
The load cells type 61-71-81 can be used in high loading
capacity weighing systems.
Some applications are:
- Platforms scale
- Weighing in iron and steel plants
- Weighing in off-shore plants
- Weighing in big storage tanks
- Weighing in silos, hopper, etc.
MAIN FEATURES:
- Hose-proof (IP 66)
- Does not require horizontal stay rods
- Standard nominal load from 100 to 500 tons
NOMINAL LOAD: ton 100-200-250-300-500
SPECIFICATION ACCORDING TO VDI/VDE 2637
METROLOGICAL CHARACTERIST ICS Par. Un.
COMBINED ERROR Fcom b %Ln 0,070 0,070
NOMINAL LOAD Ln Kg 100t 200÷500t
INIT IAL LOAD Lp %Ln 10 10
MAXIMUM LOAD Ll %Ln 130 130
NON-LINEARITY Flin %Ln 0,05 0,05
HISTERESIS ERROR Fu %Ln 0,04 0,04
REPEATABILITY ERROR Fv %Ln 0,03 0,03
CREEP-30 M INUTES Fcr %Ln 0,05 0,05
NOMINAL TEMPERATURE RANGE Btn °C -10+40 -10+40
ZERO TEMPERATURE DRIFT (OVER 10 °C) TK0 %Cn 0,065 0,065
OUTPUT TEMPERATURE DRIFT (OVER 10 °C) TKC %Cn 0,05 0,05
THERMAL GRADIENT °K/h <5 <5
ELECTRICAL DATA
NOMINAL OUTPUT Cn mV/V 2 2
NOMINAL OUTPUT TOLERANCE Dc ±%Cn 0,2 0,2
NOMINAL SUPPLY VO LTAGE Bsu V 1÷12 1÷24
MAXIMUM SUPPLY VOLTAGE Usmax V 15 30
INPUT RESISTANCE Re Ù 420±10% 840±10%
OUTPUT RESISTANCE Ra Ù 350±1% 700±1%
INSULAT ION RESISTANCE @ 20V Ris Ì Ù >2000 >2000
ZERO OUTPUT TOLERANCE Do ±%Cn 2 2
MECHANICAL DATA
BREAKING LOAD Ld %Ln >250 >250
MAXIMUN SIDE LOAD Llq %Ln N.A. N.A.
DEFLECTION hn mm <0.5 <0.5
CABLE LENGTH m 10 10
W EIGHT Kg
ENVIRONMENTAL CONDITIONS
W ORKING TEMPERATURE RANGE Btn °C -40+80 -40+80
STORAGE TEMPERATURE RANGE Bts °C -40+80 -40+80
HOUSING PROTECTION IP-66 IP-66
SUBJECT TO CHANGE WITHOUT NOTICE