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. 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: 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
Technical Specifications
| Characteristic | Minimum | Typical | Maximum | Unit | Notes |
|---|---|---|---|---|---|
| Supply voltage (Vsupply) | 3.0 | 3.3 / 5.0 | 3.6 / 5.25 | Vdc | 1, 2, 3 |
| 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 | 85 | C [F] | 4 | |
| Compensated temperature range | 5 [41] | 50 [122] | C [F] | 5 | |
| 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 | ||
| Accuracy | 2 | %FSS | 6, 7 | ||
| Total Error Band (BFSL) | 8 | %FSS | 8 | ||
| Output resolution | 12 | bits | |||
| Long term stability | 1.6 | %FSS | |||
| SPI/I2C voltage level (low) | 80 | Vsupply | |||
| SPI/I2C voltage level (high) | 20 | Vsupply | |||
| Pull up on SDA/MISO, SCL/SCLK, SS | 1 | kOhm | |||
| ESD susceptibility (human body model) | 8 | kV | |||
| Overforce limit | 3X force range | 1 | |||
| Humidity | 0% to 95% RH, non-condensing | ||||
| Vibration | MIL-STD-202, Method 214, Condition 1F (20.71 Gms) | ||||
| Shock | MIL-STD-202, Method 213, Condition A (50 G) | ||||
| Life | 1 million full scale force cycles minimum | 1 |
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
Available Models (Examples)
| Catalog Listing | Force Range | Output | Description |
|---|---|---|---|
| FMAMSDXX005WCSC3 | 5 N | SPI | FMA Series Force Sensor, compensated/amplified, mechanically coupled, sphere contact element, sensor short and open diagnostics, 5 N force range, compression force type, SPI digital output, 20% to 80% transfer function, 3.3 V 10% supply voltage |
| FMAMSDXX005WC2C3 | 5 N | I2C, address 0x28 | FMA Series Force Sensor, compensated/amplified, mechanically coupled, sphere contact element, sensor short and open diagnostics, 5 N force range, compression force type, I2C digital output, address 0x28, 20% to 80% transfer function, 3.3 V 10% supply voltage |
| FMAMSDXX015WCSC3 | 15 N | SPI | FMA Series Force Sensor, compensated/amplified, mechanically coupled, sphere contact element, sensor short and open diagnostics, 15 N force range, compression force type, SPI digital output, 20% to 80% transfer function, 3.3V 10% supply voltage |
| FMAMSDXX015WC2C3 | 15 N | I2C, address 0x28 | FMA Series Force Sensor, compensated/amplified, mechanically coupled, sphere contact element, sensor short and open diagnostics, 15 N force range, compression force type, I2C digital output, address 0x28, 20% to80% transfer function, 3.3 V 10% supply voltage |
| FMAMSDXX025WCSC3 | 25 N | SPI | FMA Series Force Sensor, compensated/amplified, mechanically coupled, sphere contact element, sensor short and open diagnostics, 25 N forcerange, compression force type, SPI digital output, 20% to 80% transfer function, 3.3 V 10% supply voltage |
| FMAMSDXX025WC2C3 | 25 N | I2C, address 0x28 | FMA Series Force Sensor, compensated/amplified, mechanically coupled, sphere contact element, sensor short and open diagnostics, 25 N force range, compression force type, I2C digital output, address 0x28, 20% to 80% transfer function, 3.3 V 10% supply voltage |
2411192335_Honeywell-FMAMSDXX015WCSC3_C3219887.pdf
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