Subminiature-Button-Load-Cell

Subminiature Button Load Cell

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Description

Applied Measurements CDF subminiature button load cell is designed for compression measurement applications where the absolute minimum of space is available for transducer mounting.

With capacities from 500N to 2000N available measuring just 15mm in diameter and 8mm in overall height, our CDF load cell is the smallest standard button load cell that we offer, however we can create smaller customised versions if required.  If you need to measure lower or higher forces, the CDFM3 miniature button load cell is available in capacities from 0-100N right up 0-20kN and is slightly larger at 30mm diameter and 12mm in height.

The CDF subminiature button load cell is ideal for retro-fitment into industrial machines and process systems for monitoring and control purposes, or for incorporation into new machine designs.

Product Dimensions

CDF Subminiature Button Load Cell Outline Drawing

All dimensions are in mm

Wiring Details

Wire Designation
Red +ve excitation
Black -ve excitation
Green +ve signal (compression)
White -ve signal
Screen To ground – not connected to load cell body

Features

  • Capacities: 0-500N up to 0-2000N
  • Output: 1.5mV/V nominal
  • Environmental Protection: IP65
  • Accuracy: <±0.5%/RC
  • Integral Load Button

Spesification

Rated Capacity (RC) N 0-500, 0-1000, 0-2000
Operating Modes Compression Only
Sensitivity (RO) mV/V 1.5 nominal
Zero Balance/Offset ±%/Rated Output <1.0
Non-Linearity ±%/Rated Output <0.50
Hysteresis %/Rated Output <0.50
Repeatability %/Rated Output <0.25
Temperature Effect on Zero ±%/Rated Output/ ˚C <0.030
Temperature Effect on Sensitivity ±%/Applied Load/ ˚C <0.005
Input Resistance Ohms 375 typical
Output Resistance Ohms 350 typical
Insulation Resistance Megohms >5000 @ 50Vdc
Excitation Voltage Volts AC or DC 5 recommended (2-5 acceptable)
Operating Temperature Range ˚C -20 to +80
Compensated Temperature Range ˚C 0 to +70
Storage Temperature Range ˚C -20 to +80
Safe Overload % of Rated Capacity 125
Ultimate Overload % of Rated Capacity 150
Deflection @ Rated Capacity mm <0.01 nominal
Fundamental Resonant Frequency* kHz >10
IP Rating (Environmental Protection) IP65
Weight grams 10
Fatigue Life 108 cycles typical (109 cycles on fatigue-rated version)
Cable Length (as standard) metres 2
Cable Type 4-core screened, PVC, Ø3 typical via cable tube
Construction Materials 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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