Submersible S-Beam Load Cell


Applied Measurements DBBSUB submersible S-Beam load cell is ideal for tension and compression measurement in situations involving permanent submersion in water. They are hermetically sealed to IP68 to a depth of 10m/1bar making them ideal for flood susceptible locations, submersible and hydrostatic applications.

The permanently submersible s-beam load cell has a dual bending beam design to ensure inherently high accuracy and enables us to guarantee performance well within specification.

Our DBBSUB permanently submersible load cell can be supplied with specialised rod end bearings further guaranteeing the transducer’s optimum performance. For fast and simple installation they can be supplied with custom designed mounting plates and fixtures.

Product Dimensions

DBBSUB Submersible S-Beam Load Cell Outline Drawing
HLWThreads TResonant Frequency Hz

All dimensions are in mm

Wiring Details

Green+ve excitation
Black-ve excitation
White+ve signal
Red-ve signal
ShieldTo ground – not connected to load cell body


  • Capacities: 0-0.5kN up to 0-5kN
  • Output: 2mV/V ±0.1%
  • Hermetically Sealed
  • Fully Submersible IP68 Rated to 10m/1bar
  • Simple To Install
  • High Accuracy: <±0.02%/FS


Rated Capacity (RC)kN0-0.5, 0-1, 0-2, 0-5
Operating ModesTension/Compression / Tension & Compression
Sensitivity (RO)mV/V2 ± 0.1% (1±0.2% on 0.5kN capacity)
Pressure Sensitivity%/FS/bar (metre)<0.05 (<0.005)
Zero Balance/Offset±%/Rated Output5
Zero Return after 30 mins±%/Applied Load<0.02
Output Symmetry (tension vs. compression)±%/Rated Output<0.1
Non-Linearity±%/Rated Output<0.02
Hysteresis% / Rated Output<0.02
Repeatability±%/Rated Output<0.02
Temperature Effect on Zero±%/Rated Output/˚C<0.002
Temperature Effect on Sensitivity±%/Rated Output/˚C<0.001
Input ResistanceOhms1100 ± 50
Output ResistanceOhms1000 ± 2
Insulation ResistanceMegohms>5000 @ 100Vdc
Excitation VoltageVolts AC or DC10 recommended (2-15 acceptable)
Operating Temperature Range˚C-40 to +80 (ATEX -40 to +60)
Compensated Temperature Range˚C-10 to +40
Storage Temperature Range˚C-40 to +80
Safe Overload% of Rated Capacity200
Ultimate Overload% of Rated Capacity300
Maximum Safe Side Load% of Rated Capacity30
Deflection @ Rated Capacitymm0.3 nominal
Fundamental Resonant Frequency*Hzsee dimensional table
IP Rating (Environmental Protection)IP68 up to 10m water depth/1bar
Weight (excluding cable)kg0.55
Fatigue Life108 cycles typical (109 cycles on fatigue-rated version)
Cable Length (as standard)metres6m
Cable TypeShielded, 4 conductor cable (AWG 24) Ø5mm, Cable jacket polyurethane (PUR)
Construction Material17-4 PH Stainless Steel Body. 303 Stainless Steel (Cable Gland)
Resolution1 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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