Xi 'an Qinwei Instrument Factory (General Partnership Enterprise)
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Supply Ability | 100PCS/Month |
| Delivery Time | 5-8 work days |
| Packaging Details | Carton |
| Operating Temperature | -40 to 85 °C |
| Output | 4 to 20mA 2 - wires |
| Material | Stainless Steel 316L |
| Proof Pressure | 150 % F S |
| Customized Support | OEM, ODM, OBM |
| Factory Setting | 2.0-4.0,3.8-5.0,5.6-7.0,8.0-10.0 |
| Measurementrange | 0 to 1000 psi |
| Measuring Range | 0... 1bar to 0... 25bar |
| Outputresolution | 0.01% FS |
| Min On | 1.0,2.0,3.0,4.0 Bar |
| Brand Name | QINWEIYB |
| Model Number | QWY-302 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | Western Union,T/T,D/P,D/A,L/C | Supply Ability | 100PCS/Month |
| Delivery Time | 5-8 work days | Packaging Details | Carton |
| Operating Temperature | -40 to 85 °C | Output | 4 to 20mA 2 - wires |
| Material | Stainless Steel 316L | Proof Pressure | 150 % F S |
| Customized Support | OEM, ODM, OBM | Factory Setting | 2.0-4.0,3.8-5.0,5.6-7.0,8.0-10.0 |
| Measurementrange | 0 to 1000 psi | Measuring Range | 0... 1bar to 0... 25bar |
| Outputresolution | 0.01% FS | Min On | 1.0,2.0,3.0,4.0 Bar |
| Brand Name | QINWEIYB | Model Number | QWY-302 |
| Place of Origin | China | ||
| High Light | High Accuracy Negative Pressure Transmitter ，Negative Pressure Transmitter 1000psi ，High Accuracy Negative Pressure Transducer | ||
Applied To Negative Pressure Transmitters In Medical And Industrial Vacuum Systems
A negative pressure transmitter is essentially a pressure transmitter that measures pressure lower than the local atmospheric pressure (i.e., vacuum or negative pressure).
| Feature | Pressure Transmitter for Negative Pressure | Micro Differential Pressure Transmitter |
|---|---|---|
| Measurement Object | The difference between a single point pressure and atmospheric pressure (and it is a negative value) | The pressure difference between two points (with a very small difference) |
| Reference Point | Atmospheric pressure (as zero point) | Another process pressure point (low pressure end L) |
| Port Quantity | Usually one process port (with atmospheric pressure as reference) | Two process ports (H and L) |
| Core Application | Vacuum control, negative pressure in furnace, medical suction | Filter blockage, small flow, liquid level (sealed tank), wind pressure difference |
| Range Characteristics | The range is negative (such as 0 ~ -100 kPa) | The range is usually a small positive range (such as 0 ~ 1 kPa) |
In short, a negative pressure transmitter is a one-sided instrument that focuses on measuring the "degree of vacuum", while a micro differential pressure transmitter is a two-sided instrument that focuses on measuring the "small pressure difference between two points". Both are precise tools in the field of pressure measurement, but they address process issues with different emphases.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
Establishe
Total Annual:
5 million-10 million
Employee Number:
500~800
Ecer Certification：
Verified Supplier
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