Load Cells VLC-121 30t

Basic device of the up-to-date weight measuring systems is load cells, construction of which is based on resilient mechanical member which is subject to deformation with overlaid on it strain-gauge bridge consisting of resistive-strain sensors connected in different electric networks.
With effect of external load to sensor as a result of deformation symmetry of measuring bridge is upset and electrical signal proportional to applied effect to sensor is appeared at measuring terminals.
Load cell VLC-121 is one of the most popular models of load cells submitting by manufacturer VMC (USA). It applies for railway and truck scales.
The present model of load cells possesses advantages such as explosion safety, impact resistance and high accuracy.

Brands/Trade Mark: VMC (Virtual Measurements & Control).

Application in truck scales, rail weight scales, Silo scales.

Type of VLC-121 is Double-Ended Shear-Beam Load Cells.

Black Cable (φ6mm):

Exc+ Exc- Sig+ Sig- Shield
Red Black Green White Yellow

Engineering data

Rated load (t) 10, 15, 20, 25, 30, 40, 50
Accuracy class С3
Sensitivity 2.0 ± 0.002 mV/V
Non-linearity ± 0.03% F.S
Hysteresis error ± 0.03% F.S
Creep (30min) ± 0.02% F.S
TC ZERO ± 0.02% F.S/10ºС
TC INTERVAL ± 0.02% F.S/10ºС
Input resistance 765 ± 20 Ω
Output resistance 700 ± 3Ω
Insulation resistance ≥5000 mΩ
Operating temperature rated range – 10 ~ + 40ºС
Temperature service range – 30 ~ + 70ºС
Safety load limit 150% F.S
Breaking load 200% F.S
Excitation rated range 10 ~ 12 V DC
Protection class IP68
Material Alloyed steel
Stainless steel
Cable Length 8m(10t); 10m (15t)
12m (20-25t)
14m (30t); 16m (40-50t)

Dimension (mm)

Load cell VLC-121

Load cell VLC-121

VMC_VLC-121 Compression Double –Ended Load Cells Datasheet Document

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