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COMPRESSION LOAD CELL TYPE 61-71-81

COMPRESSION LOAD CELL TYPE 61-71-81
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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

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