FMA SERIES MicroForce Sensors
The FMA Series are piezoresistive-based force sensors offering a digital output for reading force over the specified full scale force span and temperature range. They are fully calibrated and temperature compensated for sensor offset, sensitivity, temperature effects, and nonlinearity using an on-board Application Specific Integrated Circuit (ASIC). Direct mechanical coupling allows for easy interface with the sensor, coupling with tubing, membrane or a plunger, providing repeatable performance and a reliable mechanical interface to the application. These products offer a more stable output which is directly proportional to the force applied to the mechanically-coupled sphere. The FMA Series is available with pocket tape and reel packaging. They are designed to meet the customers need for a compensated, amplified force sensor which provides digital outputs, a variety of force sensing ranges, a small, cost-effective format, and enhanced durability and accuracy. The flexible design provides multiple standard configurations over a wide operating temperature range.
Product Attributes
- Brand: Honeywell
- Origin: Designed and manufactured according to ISO 9001 standards
- Certifications: REACH and RoHS compliant
- Material: Covers: liquid crystal polymer; Sphere contact element: stainless steel 440C; Substrate: FR4; Adhesives: epoxy, silicone; Electronic components: silicon, glass, solder
- Packaging: Pocket tape and reel
Technical Specifications
| Characteristic | Minimum | Typical | Maximum | Unit | Notes |
| Supply voltage (Vsupply) | 3.0 | 3.3 / 5.0 | 3.6 / 5.25 | Vdc | 3.3 Vdc or 5.0 Vdc based on catalog listing |
| Supply current (3.3 Vdc) | - | 2.8 | 3.9 | mA | - |
| Supply current (5.0 Vdc) | - | 3.9 | 4.6 | mA | - |
| Power input | - | 20 | - | mW | - |
| Operating temperature range | -40 [-40] | - | 85 [185] | C [F] | Sensor produces output proportional to force |
| Compensated temperature range | 5 [41] | - | 50 [122] | C [F] | Sensor produces output within specified performance limits |
| Storage temperature range | -40 [-40] | - | 85 [185] | C [F] | - |
| Startup time (power up to data ready) | - | - | 3 | ms | - |
| Response time | - | 0.42 | 0.84 | ms | - |
| SPI/I2C voltage level (low) | - | 80 | - | Vsupply | - |
| SPI/I2C voltage level (high) | - | 20 | - | Vsupply | - |
| Pull up on SDA/MISO, SCL/SCLK, SS | 1 | - | - | kOhm | - |
| Accuracy | - | 2 | - | %FSS | Typical, includes linearity, hysteresis, non-repeatability |
| Total Error Band (BFSL) | - | - | 8 | %FSS | Over compensated temperature range at 5.0 V from 20%FSS to 80%FSS |
| Output resolution | 12 | - | - | bits | - |
| Long term stability | - | 1.6 | - | %FSS | - |
| Overforce limit | - | - | 3X force range | - | Repeated exposure may cause permanent damage |
| Humidity | 0% to 95% RH, non-condensing | - | - | - | - |
| Vibration | - | 20.71 Gms | - | - | MIL-STD-202, Method 214, Condition 1F |
| Shock | - | 50 G | - | - | MIL-STD-202, Method 213, Condition A |
| Life | 1 million | - | - | full scale force cycles minimum | May vary depending on application |
Available Configurations (Examples)
| Catalog Listing | Force Range | Output | Description |
| FMAMSDXX005WCSC3 | 5 N | SPI | FMA Series, compensated/amplified, mechanically coupled, sphere contact, diagnostics, 5 N, compression, SPI, 20%-80% transfer, 3.3 V 10% |
| FMAMSDXX005WC2C3 | 5 N | I2C, address 0x28 | FMA Series, compensated/amplified, mechanically coupled, sphere contact, diagnostics, 5 N, compression, I2C, address 0x28, 20%-80% transfer, 3.3 V 10% |
| FMAMSDXX015WCSC3 | 15 N | SPI | FMA Series, compensated/amplified, mechanically coupled, sphere contact, diagnostics, 15 N, compression, SPI, 20%-80% transfer, 3.3 V 10% |
| FMAMSDXX015WC2C3 | 15 N | I2C, address 0x28 | FMA Series, compensated/amplified, mechanically coupled, sphere contact, diagnostics, 15 N, compression, I2C, address 0x28, 20%-80% transfer, 3.3 V 10% |
| FMAMSDXX025WCSC3 | 25 N | SPI | FMA Series, compensated/amplified, mechanically coupled, sphere contact, diagnostics, 25 N, compression, SPI, 20%-80% transfer, 3.3 V 10% |
| FMAMSDXX025WC2C3 | 25 N | I2C, address 0x28 | FMA Series, compensated/amplified, mechanically coupled, sphere contact, diagnostics, 25 N, compression, I2C, address 0x28, 20%-80% transfer, 3.3 V 10% |
Potential Applications
Medical
- Infusion pumps
- Ambulatory pumps
- Enteral feeding pumps
- Kidney dialysis machines
Industrial
- Load and compression sensing
- Touch panels
- Switch replacement
- Robotic equipment
- Weight measurement
- Force/grip measuring equipment
2411192335_Honeywell-FMAMSDXX005WCSC3_C3219909.pdf
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