Single-Point-Load-Cell

Single Point Load Cell

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Description

Applied Measurements OBUC low profile single point load cell is designed for use in weighing scales and a wide selection of low range force measurement applications such as manufacturing, testing, research and development.  It is primarily designed for compression measurements, but it can also measure tension loads, or it can be used bi-directionally.

This single point load cell dual cantilever beam design makes them insensitive to bending moments and also offers extremely high accuracy and stability, while aluminium construction ensures lightweight and low cost.

Product Dimensions

OBUC Single Point Load Cell Outline Drawing
Capacity (kg)
A
B
C
D
F
G
H
L
Q
V
X
J
Weight (kg)
10, 15, 20, 30, 50, 100, 200
150
25.4
40
82
100
19.05
–
25
34
10.5
1
M6x1 – 10 deep
0.42

All dimensions are in mm

Wiring Details

WireDesignation
Red+ve excitation
Black-ve excitation
Green+ve signal
White-ve signal
Blue+ve sense
Brown-ve sense
ScreenTo ground – not connected to load cell body

Features

  • Capacities: 0-10kg up to 0-200kg
  • Output: 2mV/V
  • Environmental Protection: IP67
  • High Accuracy: <±0.03%/Rated Capacity
  • ATEX Certificate: EEx ia IIC T4

Specification

CHARACTERISTICSOBUGOBUGOBUCUNITS
Rated Capacity (RC)0-0.25, 0-0.5, 0-1, 0-20-3, 0-5, 0-10, 0-15, 0-20, 0-30, 0-400-10, 0-15, 0-20, 0-30, 0-50, 0-100, 0-200kgf
Operating ModesCompression only
Sensitivity (RO)1.5 nominal2±10%2±10%mV/V
Maximum Platform Dimensions200 x 200350 x 350400 x 400mm
Zero Balance/Offset<1<1<10±%/Rated Output
Creep (30 mins)<0.08<0.03±%/Rated Capacity
Non-Linearity<0.03±%/Rated Capacity
Hysteresis<0.02%/Rated Capacity
Repeatability<0.02±%/Rated Capacity
Temperature Effect on Zero<0.005<0.002<0.006±%/Rated Capacity/˚C
Temperature Effect on Sensitivity<0.015<0.002<0.015±%/Applied Load/˚C
Effect of Eccentricity<0.015<0.006±%/Rated Capacity/cm
Input Resistance400 nominalOhms
Output Resistance350 nominalOhms
Insulation Resistance>2000 @ 50VdcMegohms
Excitation Voltage10 recommended (2-15 acceptable)Volts AC or DC
Operating Temperature Range-20 to +70˚C
Compensated Temperature Range-10 to +40˚C
Storage Temperature Range-20 to +70˚C
Safe Overload150% of Rated Capacity
Ultimate Overload300% of Rated Capacity
Deflection @ Rated Capacity<0.5 nominalmm
Resonant FrequencyConsult Sales Team
IP Rating (Environmental Protection)IP65: 2kg and below | IP67: 3kg and above
Weight (excluding cable)See dimension table
Fatigue Life108 cycles typical (109 cycles on fatigue-rated version)
Cable Length (as standard)0.50.43metres
Cable Type4 core screened, PVC sheath4 core screened, PVC sheath,6 core screened, PVC sheath,
ConstructionAluminium Alloy
Resolution1 part in 250,000 (with appropriate instrumentation)

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