VLF-205 Temperature Transmitter
Product Description
VLF-205 temperature transmitter uses imported PT100, PT1000 and other temperature sensor cores. Through high reliability amplification circuit and precise digital temperature compensation and nonlinear correction technology, Convert the pressure of the measured medium into 4~20mA, 0~10VDC analog signals and IIC, RS485 and other standard digital signals. Equipped with the highly universal Hirschmann plug, it ensures the excellent quality and optimal performance of the product. Users can measure the pressure of various fluids conveniently, quickly and accurately. The high cost-effectiveness can be widely used in petroleum, chemical industry, metallurgy, electric power, variable frequency pumps, complete water supply, refrigeration, air conditioning, air compressors and other fields.
Features
The high-performance diffused silicon sensor core is equipped with a highly integrated bridge pressure sensor dedicated advanced chip for signal conditioning.
Digital temperature compensation and non-linear correction
A variety of signal outputs, equipped with waterproof and breathable self-forming plugs, perfectly suitable for conventional sockets such as Hirschmann and HTP, and have a wide range of applications
High sensitivity, high precision, high stability
Full temperature zone temperature compensation, good electrical performance and long-term stabilityProcess connections can be customized
High cost performance, one year warranty
Technical Parameters
| Pressure range | -40~125 | ||||
| Overload pressure | 200%FS | ||||
| Process connection | G1/4 etc, can be customized | ||||
| Accuracy | ±0.5％ | ||||
|
Working Temperature |
-40~85℃ | ||||
|
Storage Temperature |
-40~125℃ | ||||
| Output signal | Absolute 0-10V |
Proportion 0-5V |
4-20mA | IIC | 485 |
| Power Supply (V) | 10-36 | 3.0-5.5 | 10-36 | 3.3-5.5 | 10-36 |
| Load Resistance (Ω) | ＞10K | ＞10K | ≤50(U-10) | - | - |
| Ingress | IP65 | ||||
| Medium adaptability | Various fluids that are non-corrosive to 304 stainless steel | ||||
| Vibration | 10gRMS,(20~2000)Hz |
| Shock | 100g,11ms |
| Insulation | More than 100MΩ @250VDC |
| Start Time | Less than 1ms |
| 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
| Output Definition |
4～20mA | Vout | IIC | RS485 |  |
| ○1 | Vi n( Red ) | Vin(Red) | Vin( Red) | Vi n( Red ) | |
| ○2 | GND ( Black ) |
GND ( Black ) |
SCL (White) |
A( yellow ) | |
| ○3 | Vout (White ) | SDA( yellow ) | B( White ) | ||
| ○4 | GND( Black ) | GND(Black) |
Selection Tips
1. When selecting the model, please note that the measured medium must be compatible with the part of the
product that contacts the medium.
2. There are multiple ranges for voltage input and output, which must be indicated in the order.
3. The process connection can be customized, which must be indicated in the order.
4. The IIC output type has no polarity protection, and the installation and use process must be confirmed before
powering on.
5.For special requirements, please negotiate with our company and indicate them in the order.
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