24VDC Differential Pressure Indicator Transmitter Capacitive Differential Level Pressure Sensor
Product Details
| Model NO.: | BPHT3351 | Power Supply: | 15~45VDC |
|---|---|---|---|
| Weight: | 3.6kg | Stability: | +-0.2%F.S/Year |
| Pressure Type: | Differential Pressure | Specification: | 500pa~200kpa |
| Origin: | China | Type: | Capacitive Differential Pressure Transmitter |
| Measuring Medium: | Gas | Accuracy Grade: | 0.075% |
| IP Rating: | IP65 | ||
| Highlight |
45VDC Differential Pressure Indicator Transmitter,Differential Pressure Indicator Transmitter Capacitive,45VDC Capacitive Differential Pressure Sensor |
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Product Description
Introduction of capacitive differential pressure transmitter :
BPHT3351 Capacitive differential pressure transmitter sensor , the pressure or differential pressure will make the sensor capacitance value change, the generated analog signal after AD conversion, into a digital signal sent to the microprocessor, after the microprocessor calculation and processing output a digital signal, after DA conversion to the current control circuit, converted into 4 ~ 20mA analog current signal output.
Product Features of capacitive differential pressure transmitter:
1. The transmitter adopts stainless steel structure design, compact structure and easy installation.
2. After strict temperature compensation and aging screening, to ensure stable and reliable performance.
3. Electrical interface can be selected as plug-in or direct wiring option.
Applications of capacitive differential pressure transmitter:
1. Suitable for measuring differential pressure of various gases or liquids in pipelines of industries such as petroleum, chemical, power, and hydrology.
2. Applied in industrial on-site processes such as petroleum, chemica,metallurgy, power generation, and hydrology.
3. Pressure measurement for pipelines and furnace chambers.
Range:
| Output | Analog output: two –wire 4-20mADC |
| Digital output: two –wire 4-20mADC and superimposing variable digital signal accord with HART | |
| Power supply | supply voltage 12.5-45VDC |
| Limit load | Max load resistor Rmax in loop decided by the supply voltage, see the below drawing. HART PROTOCOL require the load resistor not less than 250Ω,not more than 600Ω |
| Communication distance | Max. 1.5Km, multi-address communication can connect 15 smart transmitters Max. |
| Display | 4 digital display,5 digit LCD display, pointer type. |
| Explosion-proof | ExiaIICT5;explosion suppression type |
| Zero offset | Can positive transfer or negative transfer, but can not overstep the utmost value |
| Temperature | ambient temperature -40-85℃(When choose LCD : -20-70℃) |
| Medium temperature | -40～104℃ |
| Static pressure and single side overpressure | 3.45KPa(absolute pressure)～31.2MPa(gauge pressure) |
| Relative humidity | 5～98%RH |
| Run-up time | less than 5 sec. |
| Capability change | Less than 0.16cm3 |
| Damp adjust | 0.20～25 second |
| Malfunction alarming | If occur malfunction, automatism diagnose function will output 3.9 or 21.0mA |
| Configuration protection | To avoid the datas are modified random, can utilize software or protect switch lock the record data |
Working Principle of capacitive differential pressure transmitter:
As indicated in the working principle, the outside pressure or differential pressure will cause some change in the sensor capacitance value. Through the digital signal conversion, it will change into the frequency signal, which is sent to the microprocessor. After the
calculation by microprocessor, a current control signal will be output to the current control circuit, converted into analogue 4-20mA current
output. Meanwhile, the microprocessor is responsible for the interactive and other actions (display and setting). The communication port used for digital communication needs the special port of our company. HART module will realize the transmitter HART communication.
Measurement Ways of capacitive differential pressure transmitter:
Fluid Level Measurement:
In the measurement of fluid flow, the pressure taps should be breached on the side of the process conduit to avoid the sediment of dregs. Meanwhile, the transmitter should be mounted beside or under the pressure taps, to prevent the air bubbles from being discharged into the process conduit.
FQA:
1. Q: What are the features of your pressure sensor transmitters?
A: High precision, durability, and excellent performance. Customization available.
2. Q: Can I customize special specifications?
A: Yes, our engineers can tailor products to meet specific needs. We provide OEM and ODM service.
3. Q: What is your production capacity?
A: Our manufacturing facilities can produce up to 30,000 pressure sensor transmitters per month, so we are fully capable of meeting the needs of large-scale orders. However, it is advisable to contact our sales team in advance to ensure smooth production and delivery scheduling.
4. Q: What's the typical delivery period?
A: 5~8 working day for standard models. Customized products may vary.
5. Q: How are the products priced? Any discounts?
A: Competitive pricing with discounts for bulk orders or long-term partners.
6. Q: What is the warranty of your products? And after-sales service?
A: Our warranty time is 24 months after shipment, and our after-sales will respond with your questions in 24hrs, remote instruction by PC network is always available.
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