
VLF-504L Pressure Transmitter
Product Description
VLF-504L pressure transmitter is a special product developed by our company according to the needs of the water treatment industry. It is widely used in variable frequency pumps, complete water supply, air conditioning, petroleum, chemical industry, metallurgy, ships, medical equipment, vehicles, refrigeration machines, compressors , water pumps and other equipment fields. Professional waterproof hammer impact, good electrical performance and long-term durability make it the first choice in similar industries and can directly replace many similar imported products. The end injection molding is completely waterproof, with full temperature compensation, good electrical performance and long-term stability.
Features
Injection molding at the end position, protection level reaches IP68 Built-in air guide tube, no deviation in gauge pressure Stainless steel 304 material
Adopting highly integrated bridge pressure sensor dedicated advanced chip for signal conditioning, high precision and stability
Full temperature zone temperature compensation, good electrical performance and long-term stability
Special customization such as process connection
Warranty: 1 year
Technical Parameters
| Pressure range | -100kPa…0~100kPa…50bar |
|
|
| Overload pressure | 200%FS | ||
| Pressure Type | Gauge pressure | ||
|
Process connection |
G1/4,R1/4 etc, can be customized | ||
| Accuracy | ±0.5%FS | ||
| Temperature compensation range | -10~70℃ | ||
| Temperature Drift | ±0.03%/℃ | ||
| Long term stability | ±0.3%FS/year | ||
| Working Temperature | -40~85℃ | ||
| Storage Temperature | -40~125℃ | ||
| Power Supply (V) |
3-5.5V or 10-36V | 2.7-5.5V | |
| Output Signal | 0-5V | IIC | |
| Load Resistance | Greater than 10KΩ【Voltage type】 | ||
|
Electrical connections |
Cable wire (optional terminal) |
|
Ingress Protection |
IP68 |
|
Material |
Shell: stainless steel 304; cable: PVC; waterproof ring: nitrile |
|
Media adaptability |
Various fluids that are non-corrosive to 304 stainless steel |
|
Vibration |
10gRMS,(20~2000)Hz |
|
Shock |
100g,11ms |
|
Insulation |
Greater than100MΩ @250VDC |
|
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)
Process connections can be customized

Electrical connections
|
Output Signal |
3 wire |
IIC |
|
1/Red |
Vin |
Vin |
|
2/Black |
Gnd |
Gnd |
|
3/White |
Out |
SCL |
|
4/Yellow |
NC |
SDA |

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