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Tedea Huntleigh / Model 122 Heavy Duty Compression Load Cell

Tedea Huntleigh / Model 122 Heavy Duty Compression Load Cell

Model 122 is a heavy-duty general-purpose compression load cell well suited for hopper and tank weighing and many other large scale industrial applications, including weighbridges. The simple, compact column design and rugged hermetically sealed construction assures its long-term life in all types of field installations. The Model 122 load cell is often used in multi-cell installations, which is why its standard output tolerance is within 0.1%. For hazardous environments the load cell is available in an Atex approved version.

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Model 122 Heavy Duty Compression Load Cell

FEATURES
• Capacities 50–150 t
• Ideal for multi-cell applications
• Compact, economical, column design
• Hermetically sealed to IP68
• 6-Wire (sense) circuit
• Stainless steel housing as standard
APPLICATIONS
• Hopper and tank weighing
• Truck weighbridges

CAPACITY A B C D E M SR
50 t Ø88 Ø45 122 Ø50 69 M10 SR35
100 t, 150 t Ø125 Ø59.8 158 Ø84 86.5 M12 SR120
SPECIFICATIONS
PARAMETER VALUE UNIT
Rated capacity—R.C. (Emax) 50 100 150 t
NTEP/OIML accuracy class Non-Approved(1)  
Maximum no. of intervals (n) 2000  
Y = Emax/Vmin 2000  
Rated output—R.O. 1.5 2 mV/V
Rated output tolerance 0.0015 ±mV/V
Zero balance 0.015 0.02 ±mV/V
Zero return, 30 min. 0.030 ±% of applied load
Total error (per OIML R60) 0.030 ±% of rated output
Temperature effect on zero 0.03 ±% of rated output/°C
Temperature effect on output, unbalanced 0.0080(2) ±% of load/°C
Temperature range, compensated 5 to +45 °C
Temperature range, safe –20 to +60 °C
Maximum safe central overload 150 % of R.C.
Ultimate central overload 200 % of R.C.
Excitation, recommended 10 VDC or VAC RMS
Excitation, maximum 15 VDC or VAC RMS
Input impedance 670±15 1270±20 1350±30 Ω
Output impedance 600±5 1205±5 1205±5 Ω
Insulation resistance >2000 MΩ
Cable length 15 m
Cable type 6 wire, braided, PVC, single loating screen Standard
Construction Stainless steel housing, plated alloy steel sensor  
Environmental protection IP68  

(1) Typical 80% utilization

(2) Balanced span compensation is available upon request All speciications subject to change without notice.

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