Pratical Flexible Thin Film Pressure Sensor MD30-60 Electronic Medical Instrument for hospital
Description
MD30-60 series flexible thin film pressure sensor is a new type of sensor with independent intellectual property rights of flexible pressure sensor technology. It is printed on flexible thin material with strong adhesion, bending resistance and high sensitivity of flexible Nano functional materials, so as to achieve high sensitivity of pressure detection.
The thin film pressure sensor is a resistive sensor. The output resistance decreases as the pressure applied to the surface of the sensor increases. The pressure can be measured through a specific pressure-resistance relationship. It can be widely used in pressure perception, human-computer interaction, intelligent robots, electronic medical equipment, wearable devices, physiological health detection and other fields. For example, it is used to trigger and detect the pedal of a balance car, to detect cardiopulmonary resuscitation, and to detect pressure in other scenarios.
Features
Ø Ultra-thin,thickness less than 0.6mm
Ø Low power consumption and excellent stability
Ø Quick response
Ø High sensitivity and wide detection range
Ø Simple detection scheme, easy to integrate
Ø Different size and shape sensors can be customized
Ø Passed RoHS Authentication
Product parameters
| Logo | Size(mm) |
| Length | 66.3 |
| Width | 30 |
| Sensitive area | φ25 |
| Pin pitch | 2.54 |
| Tolerance | 0.2 |
Performance Index
| Model | MD30-60@10kg | MD30-60@20kg | MD30-60@30kg | MD30-60@50kg |
| Range | 0~10kg | 0~20kg | 0~30kg | 0~50kg |
| Thickness | ≤0.4mm | ≤0.6mm |
| Dimension | See specification and size description |
| Response pointnote1 | ≤0.2kg | ≤0.5kg |
| Repeatability | ±3%(50%loaded) |
| Consistencynote2 | ±10%(Batch of the same model) |
| Hysteresis | ﹢10% (RF+ - RF-)/RF+ |
| Durability | ＞One million times |
| Initial Resistance | ＞10MΩ(Non-Loaded) |
| Response Time | ＜ 1ms |
| Resume Time | ＜ 15ms |
| Test Voltage | Typical Value DC 3.3V |
| Operating Temperature | -20°C ～ 60°C |
| EMI | No produce |
| ESD | Insensitivity |
Data reference sheet
| Model: MD30-60@10kg | Model: MD30-60@20kg | Model: MD30-60@30kg | Model: MD30-60@50kg | |
| pressure/kg | resistance/kΩ | pressure/kg | resistance/kΩ | pressure/kg | resistance/kΩ | pressure/kg | resistance/kΩ |
| 1 | 8.41 | 2 | 5.31 | 3 | 12.74 | 5 | 8.06 |
| 2 | 4.89 | 3 | 2.65 | 6 | 6.38 | 10 | 4.45 |
| 3 | 3.38 | 5 | 1.97 | 9 | 4.34 | 15 | 3.34 |
| 4 | 2.73 | 7 | 1.59 | 12 | 3.54 | 20 | 2.79 |
| 5 | 2.30 | 9 | 1.40 | 15 | 3.08 | 25 | 2.44 |
| 6 | 2.08 | 10 | 1.26 | 18 | 2.78 | 30 | 2.19 |
| 7 | 1.78 | 13 | 1.18 | 21 | 2.53 | 35 | 2.01 |
| 8 | 1.61 | 15 | 1.13 | 24 | 2.37 | 40 | 1.87 |
| 9 | 1.49 | 17 | 1.08 | 27 | 2.22 | 45 | 1.77 |
| 10 | 1.40 | 20 | 1.05 | 30 | 2.12 | 50 | 1.69 |
Reference Circuit
Instructions
- MD30-60 series flexible sensor is a non-polar component, there is no directionality in the circuit;
- When using, please place the pressure sensitive zone of the sensor on a firm, flat surface. Using the sensor on a curved or irregular surface will make the sensor initially conductive, that is, in a "response" state when there is no pressure; in this state, the sensor output resistance can still respond to pressure changes, and the corresponding relationship is no longer applicable to the reference data sheet;
- If the supporting surface and the force applying surface are both rigid and hard surfaces, and the contact surface is larger than the sensitive area of the sensor, due to the sensor's own structure, the pressure response may be small and unstable. A round soft rubber pad needs to be affixed to the center of the sensitive area, the diameter is slightly smaller than the sensitive area, and the area should be greater than 60% of the area of the sensitive area;
- You can use double-sided tape to fix the sensor on the supporting surface. Pay attention that the supporting surface is tidy and clean before pasting. It is recommended to use 3M brand double-sided tape; provide customized services;
- After the sensor is stressed and maintains the pressure, the output resistance value will drift slightly over time, usually within 5%. This error can be reduced by the method of timing calibration. In the calibration operation, the waiting time after applying pressure is consistent with the waiting time in actual applications. Since the force state of the sensor is different in different application scenarios, it is recommended that the user arrange the sensor according to the actual application scenario and test the drift parameters by themselves.
Announcements
- When using the sensor, try to make the load received evenly and avoid direct contact with the sensor by sharp objects;
- Over-range use will reduce the performance of the sensor or even destroy the sensor;
- The sensor terminal is made of copper and tin-plated material, and the lead can be weldedaccording to the needs. It should be noted that the soldering temperature should not be too high, it is recommended that it should not exceed 300°C, and the contact time should not exceed 1 second, so as to prevent the high temperature from melting and deforming the film substrate.
About Us
Henan Weiguo Intelligent Technology Co., LTD., founded in 2015, is an important subsidiary of Hanwei Electronics Group Corporation (Stock no.:300007) in the field of intelligent healthy, safe home and IoT business. Henan Weiguo Intelligent Technology Co., LTD., relying on the core sensor technology, focuses on gas and smoke alarm, air quality monitor, alcohol tester and firefighting products. Based on introduction of featured technology from both Hanwei Electronics Group Corporation and abroad, Henan Weiguo intelligent Technology Co., LTD., has developed into an innovative company with the collection of design, R&D development, production, sales and service. We will always be committed to becoming the leader in intelligent hardware, providing safe, healthy, environmentally friendly and intelligent working and living environment for families and users all over the world.
