RoHS Certified Differential Pressure Sensor (MDM290)
Features
1. Pressure range 0~35kPa3.5MPa
2. Constant current power supply
3. Isolated construction, possible to various media
4. OEM differential pressure sensor
5. 316L stainless steel
6. High static pressure 20MPa
Application
·Industrial process control ·differential pressure measure ·gas, liquid pressure measure
·Pressure checking meter ·Pressure calibrator ·Ventura and eddy-current flow meter
Introduction
MDM290 piezoresistive differential pressure sensor is OEM differential pressure sensor with stainless steel
isolated diaphragm. It has integrated construction, high static pressure, high stability and good reliability. The high and low pressure sides are protected by isolated diaphragm. It can be used for measuring corrosive and conductive flow media. The measured differential pressure is transmitted onto the die through the diaphragm and filling silicon oil, so that the sensor could measure differential pressure precisely. The sensor is tested on the advanced production line, with the popular dimension, MDM290 differential pressure sensors are widely used for industrial process control and differential pressure measure fields, etc.
Electric Performance
1. Power supply: ≤2.0mADC; ≤10V DC
2. Electric connection: 100mm silicon rubber flexible wires
3. Common mode voltage input: 50% of input (typ.)
4. Input impedance: 3kΩ~8kΩ
5. Output impedance: 3.5kΩ~6kΩ
6. Response Time (10%~90%): <1ms
7. Insulation resistor: 100MΩ, 100VDC
8. Overpressure: refer to Order Guide
9. Max. static pressure: 20MPa
10. Zero drift/static pressure: ≤0.5mV/MPa
Construction Specification
1. Diaphragm material: stainless steel 316L
2. Housing: stainless steel 316L
3. Pin: silicon rubber flexible wire
4. O-ring: Viton
5. Net weight: ~36g
Environment Condition
1. Position effect: deviate 90° from any orientation, zero change ≤0.2%FS
2. Shock: no change at 10gRMS,(20~2000)Hz
3. Impact: 100g, 11ms
4. Media compatibility: the gas, liquid which is compatible with stainless steel and Viton
Basic Condition
1. Media temperature: (25±1)ºC
2. Environment temperature: (25±1)ºC
3. Shock: 0.1g (1m/s/s) Max.
4. Humidity: (50%±10%)RH
5. Local air pressure: (86~106)kPa
5. Power supply: (1.5±0.0015)mADC
Basic Specification| Specification* | Min. | Typ. | Max. | Units |
| Non-Linearity | | ±0.15 | ±0.25 | %FS,BFSL |
| Repeatability | | ±0.05 | ±0.075 | %FS |
| Hysteresis | | ±0.05 | ±0.075 | %FS |
| Zero output | | | ±3 | mVDC |
| FS output | 60 | | | mVDC |
| Zero thermal error | | ±1.0 | ±1.2 | %FS, @25ºC |
| Span thermal error | | ±1.0 | ±1.2 | %FS, @25ºC |
| Compensated temp. range | 0~50 | ºC |
| Working temp. range | -40~125 | ºC |
| Storage temp. range | -40~125 | ºC |
| Long-term stability | | ±0.3 | ±0.5 | %FS/year |
| *testing at basic condition |
Outline Construction:
(Unit:mm)![]()
Electric Connection:![]()
Order Guide| MDM290 | Piezoresistive OEM Differential Pressure Sensor |
| | | Range code | Pressure range | Positive overpressure | Negative overpressure |
| 0A | 0~35kPa | 70kPa | 35kPa |
| 02 | 0~70kPa | 150kPa | 70kPa |
| 03 | 0~100kPa | 200kPa | 100kPa |
| 07 | 0~200kPa | 400kPa | 200kPa |
| 08 | 0~350kPa | 700kPa | 350kPa |
| 09 | 0~700kPa | 1400kPa | 700kPa |
| 10 | 0~1MPa | 2.0MPa | 1.0MPa |
| 12 | 0~2MPa | 4.0MPa | 1.0MPa |
| 13 | 0~3.5MPa | 7.0MPa | 1.0MPa |
| | | Code | Temperature compensation range |
| M | Outer compensated resistor (providing resistor value) |
| | | Code | Electric connection |
| 2 | 5-color 100mm silicon rubber flexible wires |
| | |
| MDM290 12 M 2 the whole spec |
Order Note
1. Please notice that one side of the leading wire is High Pressure Side, the other is Low Pressure Side. Or identify High Pressure Side by mark "+", and identify Low Pressure Side by mark "-" carefully. During application, please pay attention that the pressure of high pressure side should be higher than that of low pressure side;
2. Please pay attention to protect the diaphragm, prevent it from damaging;
3. Please do not pull the 6 leading wires.
4. Temperature resistant range of standard Viton O-ring of sensor is -20ºC ~ 250ºC. When working temperature is lower than -20ºC, or sensor is applied in critical environ
Micro Sensor Co., Ltd, the leading manufacturer of piezo-resistive pressure sensors and transmitters in China, was founded by Sino-US joint venture in 1993. We are providing pressure sensing & measuring solutions to customers all over the world.
With Digital Wide-Temperature Compensation, Non-linearity Correction and Data-Collection by Bus Operation, we supply users OEM pressure sensors, pressure transmitters, level transmitters, measuring and controlling instruments, which have high quality and reliable performance in the local on-site environment.
Based on more than 20 years production experiences, Micro Sensor now have manufacturing capacity of 1.2 million pieces pressure sensors and 400 thousand pieces transmitters in one year. And we are also capable to satisfy the customized specification and designs according to clients' Specified requirements.
Quality is the life of company. Micro Sensor executes I S O 9 0 0 1 International Management System strictly to make sure every procedure qualified in our production. Furthermore, the main products for pressure sensors and transmitters, are also certificated by C E, R o H S, C B, U L and A T E X respectively for different global markets.
Micro Sensor now does business with customers more than 70 countries. More and more global friends know Micro Sensor and make win-win cooperation with us. Wherever you are, whenever you are, find Micro Sensor for any pressure sensing & measuring question. We are looking forward to supporting you with our best services!
