Strainsert, Inc.
Strainsert, Inc.
12 Union Hill Rd.,
West Conshohocken, PA 19428
Phone: 610-825-3310 • Fax: 610-825-1734
Email: info@strainsert.com • Website: www.strainsert.com
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Universal Load Cells measure forces in both tension and compression.

Measurement ranges:
±250 to ±2.0 million lbs.
Calibration data up to 500,000 lbs. Higher capacity calibration data is available at an additional charge. Inquire for custom product ranges.

Model FL50U(C2)-2SPKT shown
Universal Flat Load Cells
Unit of Measure
Items Universal Flat Load Cells
FL025U
Universal Load Cells 		Universal Flat Load Cells
FL05U
Universal Load Cells 		Universal Flat Load Cells
FL1U
Universal Load Cells 		Universal Flat Load Cells
FL2.5U
Universal Load Cells 		Universal Flat Load Cells
FL5U
Universal Load Cells
Load Capacity N/A 250 lb N/A 500 lb N/A 1,000 lb N/A 2,500 lb N/A 5,000 lb
Type of Flat Load Cells N/A Universal
Rated Output N/A 2-mV/V (Nominal) 2-mV/V (Std. Output) N/A 2-mV/V (Nominal) 2-mV/V (Std. Output) N/A 2-mV/V (Nominal) 2-mV/V (Std. Output) 3-mV/V (Nominal) 3-mV/V (Std. Output) N/A 2-mV/V (Nominal) 2-mV/V (Std. Output) 3-mV/V (Nominal) 3-mV/V (Std. Output) N/A 2-mV/V (Nominal) 2-mV/V (Std. Output) 3-mV/V (Nominal) 3-mV/V (Std. Output)
Configuration N/A Single Bridge N/A Single Bridge N/A Dual Bridge Single Bridge N/A Dual Bridge Single Bridge N/A Dual Bridge Single Bridge
Non-Linearity N/A General Purpose ±0.25% F.S. Precision ±0.15% F.S. N/A General Purpose ±0.25% F.S. Precision ±0.15% F.S. N/A General Purpose ±0.25% F.S. Precision ±0.15% F.S. N/A General Purpose ±0.25% F.S. Precision ±0.15% F.S. N/A General Purpose ±0.25% F.S. Precision ±0.10% F.S.
Connector Type N/A Connector Permanently Attached Cable
Hole Type N/A Threaded Loading Hole Thru Hole
A - Diameter N/A 11/16 in N/A 11/16 in N/A 11/16 in N/A 11/16 in N/A 21/32 in
B - Diameter N/A 1-7/16 in
C - Diameter N/A 2-1/2 in
D - Diameter N/A 2-11/16 in
E - Length N/A 3-23/32 in
F - Height N/A 15/16 in
G - Width N/A 2-13/16 in
H - Height N/A 1 in
K - Outside Diameter N/A 11/32 in
k - Inside Diameter N/A 7/32 in
Number of Hold Down Bolt Holes N/A 8
L - Diameter N/A 1-15/16 in
M - Length N/A 1/32 in
N - Depth of Hole N/A 5/16 in
T - Hole N/A 1/4-20UNC-2B Thru Hole, 9/32" N/A 1/4-20UNC-2B Thru Hole, 9/32" N/A 5/16-18UNC-2B Thru Hole, 11/32" N/A 3/8-16UNC-2B Thru Hole, 13/32" N/A 7/16-20UNF-2B Thru Hole, 15/32"
Lifting Holes - Threads N/A NONE
Lifting Holes - BC. Diameter N/A NONE
Weight N/A 0.6 lb N/A 0.6 lb N/A 0.6 lb N/A 0.6 lb N/A 1.1 lb
K - Spring Rate N/A 920000 lb/in N/A 920000 lb/in N/A 1310000 lb/in N/A 3330000 lb/in N/A 5880000 lb/in
We - Load Cell Without External Weights N/A 0.023 lb N/A 0.023 lb N/A 0.22 lb N/A 0.041 lb N/A 0.091 lb
fc' - Natural Frequency N/A 19800 cps N/A 19800 cps N/A 24200 cps N/A 28400 cps N/A 25000 cps
Wp - Load Cell With External Weights N/A 0.25 lb N/A 0.50 lb N/A 1.0 lb N/A 2.5 lb N/A 5.0 lb
fp' - Natural Frequency N/A 5700 cps N/A 4150 cps N/A 3550 cps N/A 3600 cps N/A 3300 cps
S0 - Side Loads N/A 500 lb N/A 500 lb N/A 840 lb N/A 2500 lb N/A 4400 lb
S1 - Side Loads N/A 160 lb N/A 160 lb N/A 240 lb N/A 750 lb N/A 1300 lb
S4 - Side Loads N/A 50 lb N/A 50 lb N/A 80 lb N/A 230 lb N/A 400 lb
Mb - Bending Moment N/A 240 lb·in N/A 240 lb·in N/A 350 lb·in N/A 1000 lb·in N/A 1700 lb·in
Mt - Torque N/A 300 lb·in N/A 300 lb·in N/A 440 lb·in N/A 1710 lb·in N/A 2700 lb·in
Accuracy N/A  
     Non-Linearity N/A General Purpose ±0.25% FS Precision ±0.15% FS N/A General Purpose ±0.25% FS Precision ±0.15% FS N/A General Purpose ±0.25% FS Precision ±0.15% FS N/A General Purpose ±0.25% FS Precision ±0.15% FS N/A General Purpose ±0.25% FS Precision ±0.10% FS
     Hysteresis N/A General Purpose ±0.20% FS Precision ±0.15% FS N/A General Purpose ±0.20% FS Precision ±0.15% FS N/A General Purpose ±0.20% FS Precision ±0.15% FS N/A General Purpose ±0.20% FS Precision ±0.15% FS N/A General Purpose ±0.15% FS Precision ±0.10% FS
     Non-Repeatability N/A ±0.05% FS
Environmental N/A  
     Compensated Range N/A 60 to 150 ºF
     Effect on Zero N/A ±0.0035% FS/°F
     Effect on Output N/A ±0.0030% Load/°F (Nominal)
Electrical N/A  
     Excitation Voltage N/A 15V AC or DC (Maximum)
     Bridge Resistance N/A 350 Ohms (Nominal)
     Zero Balance1 N/A ±2% FS (Nominal)
     Insulation Resistance N/A 10,000 Megaohms (Minimum)
Mechanical N/A  
     Safe Static Overload without Zero Shift N/A 200%FS
     Safe Static Overload without Output Shift N/A 200%FS
     Safe Static Overload without Structural Failure N/A 250%FS
Receptacle N/A PT02H-10-6P
Mating Plug N/A PT06A-10-6S (SR)
     Function N/A Pin
     (+) Excitation N/A A
     (-) Excitation N/A D
     (+) Signal N/A B
     (-) Signal N/A C
Cable N/A #20(26x34) AWG., rubber insulation, shielded, rubber jacket, 4-Conductor (Standard Cable)
     Function  N/A Wire Code
     (+) Excitation  N/A Red
     (-) Excitation  N/A Black
     (+) Signal  N/A Green
     (-) Signal  N/A White
  • 1 Prior to loading, it is necessary to initially/periodically null the zero load output to account for any residual offset.