High Accuracy Deep Well Stainless Steel OEM Piezoresistive Differential Pressure Sensor (MDM291)
Features:
1. Pressure range: 0~35kPa...2MPa
2. Constant current power supply
3. Fully welded
4. For various liquid media
5. High static pressure 20MPa
6. Full SS316L
7. Pressure port as you require
Applications:
1. Industrial process
2. Differential pressure
3. Gas
4. Liquid
5. Venturi flow meter
6. Pressure calibration
Electrical performance:
1. Power supply: ≤2.0mADC; ≤10V DC
2. Electric connection: 100mm silicon rubber flexible wire
3. Common Mode Voltage Output: 50% input (typ.)
4. Input impedance: 2kΩ~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 performance:
1. Diaphragm material: stainless steel 316L
2. Housing: stainless steel 316L
3. Leading wire: silicon rubber flexible wire
4. Net weight: 355g
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, 10ms
4. Media Compatibility: gas or liquid that is compatible with stainless steel
Basic condition:
1. Media temperature: (35±1)ºC
2. Environment temperature: (35±1)ºC
3. Shock: 0.1g(1m/s/s) Max
4. Humidity: (50%±10%) RH
5. Local Air Pressure: (86~106) kPa
6. Power supply: (1.5±0.0015) mADC
Basic Specifications:
| Specification* |
Min. |
Typ. |
Max. |
Unit |
| Non-Linearity |
|
±0.20 |
±0.25 |
%FS,BFSL |
| Repeatability |
|
±0.05 |
±0.075 |
%FS |
| Hysteresis |
|
±0.05 |
±0.075 |
%FS |
| Zero Output |
|
|
±2 |
mVDC |
| Full Span Output |
70 |
|
|
mVDC |
| Zero Thermal Error** |
|
±0.5 |
±0.75 |
%FS,refer to 35ºC |
| FS Thermal Error** |
|
±0.5 |
±0.75 |
%FS,refer to 35ºC |
| Compensated Temp. range |
0~70 |
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 |
| **Code 0A :Max. Zero and FS thermal Error: ±1%FS(refer to 35ºC) |
Outline Construction:
Electric Connection:
Order Guide:
| MDM291 |
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 |
| |
|
Code |
Temperature Compensation Mode |
| L |
Laser Trimming |
| |
M |
Outer compensated resistor (providing resistor value) |
| |
|
Code |
Electric Connection |
| 2 |
100mm silicon rubber flexible wires |
| |
|
Code |
Pressure port |
| |
(default) |
Without pressure connection and electrical installation connection |
| |
C1 |
M20×1.5 male, face type seal |
| |
C2 |
G1/4 male |
| |
C3 |
G1/2 male |
| |
C4 |
G1/4 female |
| |
|
| MDM291 12 L 2 C1 whole spec. |
| |
|
|
|
|
|
|
|
|
|
|
|
Certificates We Have
Company Overview
Products Family
Applications:
FAQ:
1. Q: Are you a manufacturer or trading company?
A: We are a 48-year professional manufacturer of Pressure/ Level/ Temperature/Flow transmitters with 4~20mA, Hart, Rs485 & Modbus protocols, pressure sensors with SDI, I2C, 4~20mA, 0.5~4.5V and etc, and wireless IOT measurement transmitters. We provide high-quality products with high competitive factory prices.
2. Q: What's your quality control system?
A: As an ISO9001:2008 certificated manufacturer, we have a strict quality control system, and each product is done with fatigue testing, calibration, temperature compensation before shipment. High quality is guaranteed.
3. Q: Is there MOQ with your product?
A: We have no MOQ limits, 1pc for testing is acceptable.
4. Q: Do you provide customized products?
A: Yes, we can print your logo on our products; OEM, ODM & customization are welcomed.
5. Q: What is the warranty of your products? And after-sales service?
A: Our warranty time is 12 months after shipment, and our after-sales will respond with your questions in 24hrs, remote instruction by PC network is always available.
6. Q: What is the lead time of your product?
A: We are a factory, our lead time is always within 10~15 working days for products without customization, but lead-time will vary based on different products. You can check detailed lead-time with our sales.
7. Q: What international certificates do you have for your products?
A: We have CE, RoHS, UL, ATEX as well as ship-use DNV, etc.
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