VLF-304 Pressure Transmitter
Product Overview
VLF-304 pressure transmitter adopts 96% alumina sensor core, and converts the pressure of the measured medium into 4~20mA, 0~5VDC analog signal through high-reliability amplification circuit, precise digital temperature compensation and nonlinear correction technology. Because its structure can withstand great destructive pressure, it is extremely safe and is the first choice for ceramic pressure transmitters used in high-demand working occasions. It is widely used in automobiles, food, medicine, industrial automation, water pumps, petroleum, chemical industry, pneumatic equipment, hydraulic equipment, air conditioning, air compressors and other fields.
Key Features
Compact and easy to install, reverse polarity protection, reliable performance, safe and convenient to use Ceramic sensor, cost-effective
High sensitivity, high precision, high stability
Warming up the entire temperature range. good electrical performance and long-term stability One year warranty!
Technical Parameters:
| Range | Gauge pressure 0~1bar…50bar | |||||
| Safety overload pressure | 200%FS | |||||
| Comprehensive accuracy | ±0.5%FS | |||||
| Temperature compensation range | -40~85℃ | |||||
| Temperature Drift | ±0.03%/℃ | |||||
| Long-term stability | ±0.3%FS/year | |||||
| Operating temperature | -40~85℃ | |||||
| Storage temperature | -40~125℃ | |||||
| Output signal | Absolute value 0-5V |
Proportional 0-5V |
4-20mA | |||
| Supply voltage (V) | 6-36 or 3.0- 5.5 |
3.0-5.5 | 11-36 | |||
| Power consumption (mA) |
2.5 (TYP) | 2.5 (TYP) | - | |||
| Load (Ω) | ＞10K | ＞10K | ≤50 (U-11) | |||
| Electrical Connections |
Wire/Terminal | |||||
| Protection level | IP65 | |||||
| Process connection | NPT 1/8, G1/4, etc. can be customized | |||||
| Material | 304 stainless steel, alumina, NBR (fluoro rubber, etc. are optional) | |||||
| Vibration | 10gRMS, (20~2000)Hz | |||||
|
Shock |
100g, 11ms |
|
Insulation |
More than 100MΩ @250VDC |
|
Startup time |
80ms |
|
Response time |
Less than 1ms (@ 90% FS) |
|
CE certification |
EMC:IEC61326-1 Class B Electrostatic discharge immunity: IEC61000-4-2 Electromagnetic field immunity: IEC61000-4-3 EFT immunity: IEC61000-4-4 Surge immunity: IEC61000-4-5 |
Dimensions (in mm)
Electrical connection: wire
| Wiri ng |
Voltage/three- wire current output |
Two-wire current output |
| Red | Power supply positive VCC |
Power supply positive VCC |
| Blac k |
Power negative GND | Current output Iout |
| Whit e |
Signal output Vout/Iout |
NC |
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