Miniature Button Load Cell | CDFM3
Applied Measurements CDFM3 miniature button load cell is designed for compression measurement applications where there is little space available for transducer mounting. With capacities from 0-100N up to 0-20kN available in a load cell measuring just 30mm in diameter and 12mm in overall height, the CDFM3 is the second smallest button load cell that we offer. If you need load cell that is smaller still, the CDF miniature button load cell is available in capacities from 0-500N up to 0-2000N and measures 15mm diameter and 8mm in height. The CDFM3 miniature 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.
Technical Specifications
| Rated Capacity (RC) | N | 0-100, 0-250, 0-500, 0-1000, 0-2000, 0-5000, 0-10k, 0-20k |
|---|---|---|
| Operating Modes | Compression Only | |
| Sensitivity (RO) | mV/V | 2 nominal (1.5 nominal on 100N) |
| Zero Balance/Offset | ±%/Rated Output | <0.5 |
| Non-Linearity | ±%/Rated Output (BFSL) | <0.5 |
| Hysteresis | %/Rated Output | <0.25 |
| Repeatability | %/Rated Output | <0.2 typical |
| Temperature Effect on Zero | ±%/Rated Output/ ˚C | <0.030 |
| Thermal Sensitivity | F.R.O/Degrees C | <0.005% |
| Input Resistance | Ohms | 375 typical |
| Output Resistance | Ohms | 350 typical |
| Insulation Resistance | Megohms | >2000 |
| Excitation Voltage | Volts AC or DC | 10 recommended (2-15 acceptable) |
| Operating Temperature Range | ˚C | -20 to +70 |
| Compensated Temperature Range | ˚C | +20 to +70 |
| Storage Temperature Range | ˚C | -40 to +70 |
| Safe Overload | % of Rated Capacity | 125 |
| Ultimate Overload | % of Rated Capacity | 150 |
| Deflection @ Rated Capacity | 0.07 (100N) to 0.02 (20kN) typical (depending on capacity) | |
| Fundamental Resonant Frequency* | kHz | 4 (100N) to 50 (20kN) * |
| IP Rating (Environmental Protection) | IP65 | |
| Weight | grams | 50 (excluding cable) |
| Fatigue Life | 108 cycles typical (109 cycles on fatigue-rated version) | |
| Cable Length (as standard) | metres | 2 |
| Electrical Connections | Integral Screened Cable | |
| Cable Type | 4-core screened, PVC sheath via cable gland | |
| Construction Material | Stainless Steel, Nickel-Plated Brass, NBR, PVC | |
| 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. | ||
Product Dimensions (mm)
Wiring Details
| Wire | Designation |
|---|---|
| Red | +ve excitation |
| Blue | -ve excitation |
| Green | +ve signal |
| Yellow | -ve signal |
| Screen | To ground – not connected to load cell body |
VA25
Ordering Codes & Options
| Core Product | Capacity (inc Engineering Units) | Cable Length (m) | Specials Code | Example Result |
|---|---|---|---|---|
| CDFM3 | 100N | 002 | 000 | CDFM3-100N-002-000 |
| CDFM3 | 250N | 002 | 000 | CDFM3-250N-002-000 |
| CDFM3 | 500N | 002 | 000 | CDFM3-500N-002-000 |
| CDFM3 | 1000N | 002 | 000 | CDFM3-1000N-002-000 |
| CDFM3 | 2000N | 002 | 000 | CDFM3-2000N-002-000 |
| CDFM3 | 5000N | 002 | 000 | CDFM3-5000N-002-000 |
| CDFM3 | 10kN | 002 | 000 | CDFM3-10kN-002-000 |
| CDFM3 | 20kN | 002 | 000 | CDFM3-20kN-002-000 |
