Compact-S-Beam-Load-Cell

Compact S-Beam Load Cell

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Description

The DBCR compact S-beam load cell is suitable for use in both tension and compression and lends itself to a multitude of low-range monitoring, control, test and measurement applications including material testing machines and small suspended hoppers.

The DBCR is a compact version of the classic S-beam load cell design manufactured from aluminium in ranges of 0-10N and 0-20N and 17-4PH stainless steel in ranges from 0-50N to 0-500N and offers a very high accuracy of better than 0.05% of rated capacity.

Product Dimensions

DBCR Outline

All dimensions are in mm.

Wiring Details

WireDesignation
Red+ve excitation
Blue-ve excitation
Green+ve signal (compression)
Yellow-ve signal
ScreenTo ground – not connected to load cell body

Features

  • Capacities: 0-10N up to 0-500N
  • Output: 2mV/V
  • Environmental Protection: IP50
  • Accuracy: <±0.05%/RC
  • Compact Size

Spesification

Rated Capacity (RC)N0-10, 0-20, 0-50, 0-100, 0-250, 0-500
Operating ModesTension/Compression / Tension & Compression
Sensitivity (RO)mV/V2.0 ±0.1%
Zero Balance/Offset±%/Rated Output<1.0
Output Symmetry (tension vs. compression)±%/Rated Output<0.20
Non-Linearity±%/Rated Output<0.05
Hysteresis%/Rated Output<0.03
Repeatability±%/Rated Output<0.03
Temperature Effect on Zero±%/Rated Output/ ˚C<0.005
Temperature Effect on Sensitivity±%/Applied Load/ ˚C<0.005
Input ResistanceOhms375 nominal
Output ResistanceOhms350 nominal
Insulation ResistanceMegohms>5000 @ 50Vdc
Excitation VoltageVolts AC or DC10 recommended (2-15 acceptable)
Operating Temperature Range˚C-20 to +80
Compensated Temperature Range˚C0 to +70
Storage Temperature Range˚C-20 to +80
Safe Overload% of Rated Capacity150
Ultimate Overload% of Rated Capacity200
Fundamental Resonant Frequency*Hz5N=58, 10N=82; 20N=136; 50N=130; 100N=210; 250N=420; 500N=700
IP Rating (Environmental Protection)IP50
Weight (excluding cable)grams5N to 20N = 85; 50N to 500N = 150
Fatigue Life108 cycles typical (109 cycles on fatigue-rated version)
Cable Length (as standard)2 Metres
Cable Type4-core screened, PVC sheath, Ø3.5
Construction5N-20N Aluminium Alloy, 50N-500N Stainless Steel
Resolution:1 part in 250,000 (with appropriate instrumentation)
*The resonant frequency is calculated with the body of the load cell attached to a large plate, ensuring that only the sensing element oscillates: This is vital to achieve the highest natural frequency and subsequent frequency response.

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