VLF-301 Pressure Transmitter
Product Description
The VLF-301 pressure transmitter uses a 96% alumina sensor core. Through a highly reliable amplification circuit and precise digital temperature compensation and non-linear correction technology, it converts the pressure of the measured medium into a 4~20mA, 0~5VDC analog Signal. Because its structure can withstand great destructive pressure, it is extremely safe and is the preferred ceramic pressure transmitter for use in demanding workplaces. It is widely used in automobiles, food, medicine, industrial automation, water pumps, petroleum, chemical industry, Pneumatic equipment, hydraulic equipment, air conditioners, air compressors and other fields.
Features
Compact and easy to install, reverse polarity protection, reliable performance, safe and convenient to use Ceramic sensor, high cost performance
High sensitivity, high precision, high stability
Full temperature zone temperature compensation, good electrical performance and long-term stability Warranty: One year!
Technical Parameters
| Pressure range | Gauge pressure 0~1bar…50bar | |||||
| Overload pressure | 200%FS | |||||
| Accuracy | ±0.5％FS | |||||
| Temperature compensation range | -40~85℃ | |||||
| Temperature Drift | ±0.03%/℃ | |||||
| Long term stability | ±0.3%FS/year | |||||
| Working Temperature | -40~85℃ | |||||
| Storage Temperature | -40~125℃ | |||||
| Output Signal | absolute 0-5V | Proportion0-5V | 4-20mA | |||
| Power Supply (V) |
6-36 or 3.0-5.5 | 3.0-5.5 | 11-36 | |||
| Current consumption (mA) |
2.5(TYP) | 2.5(TYP) | - | |||
| Load Resistance (Ω) |
＞10K | ＞10K | ≤50(U-11) | |||
| Electrical connections |
Wire/terminal | |||||
| Ingress | IP65 | |||||
| Protection | |
| Process connection |
NPT 1/8,G1/4 etc,can be customized |
| Material | SS304,Alumina,NBR(Fluorine rubber and other optional) |
| Vibration | 10gRMS,(20~2000)Hz |
| Shock | 100g,11ms |
| Insulation | Greater than 100MΩ @250VDC |
| Start Time | 80ms |
| Response time | Less than 1ms(@ 90%FS) |
| CE Approval | EMC: IEC61326-1 B type Electrostatic discharge immunity: IEC61000-4-2 Electromagnetic field immunity: IEC61000-4-3 EFT immunity: IEC61000-4-4 Surge immunity: IEC61000-4-5 |
Dimensions(unit mm)
Electrical connections: PARK plug
| Plug | Wire | Voltage output |
Current output |
|
| 1 | Red | Power supply positive VCC |
Power supply positive VCC |
|
| 2 | Black | Negative pole of power supply GND |
Current output Iout |
|
| 3 | White | Output signal Vout |
NC |
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