Capacitive Differential Pressure Transmitter With Plug-in Or Direct Connection
Brand Name:HT sensor
Certification:ISO9001
Model Number:BPHT3351
Minimum Order Quantity:1
Delivery Time:5-8 work days
Payment Terms:Western Union, L/C, T/T
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Baoji Shaanxi China
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Building 4, No.195, Gaoxin Avenue, Weibin District, Baoji City, Shaanxi Province, China
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Capacitive Differential Pressure Transmitter with Plug-in or Direct
Connection
HT3351 Differential Pressure Transmitter
Introduction of capacitive differential pressure transmitter :
The HT3351 capacitive differential pressure sensor transmitter operates by detecting changes in capacitance value resulting from pressure differences, and then converting the analog signal into a digital signal through AD conversion. The microprocessor processes the digital signal and sends it to the current control circuit after digital-to-analog conversion, producing a 4 ~ 20mA analog current signal output for small range liquid and gas measurement.
Product Features of capacitive differential pressure transmitter:
1. The transmitter adopts stainless steel structure design, compact
structure, easy installation.
2. After strict temperature compensation and aging screening, to
ensure stable and reliable performance.
3. The electrical interface can choose plug-in or directly
connected.
| 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:
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:
Q1:Are you manufactrade company?
A1:We are manufactrader with more than 29 years of experience.
Q2:Customized Product.
A2:We provide OEM and Custom-Design services.
Q3:Quality Quarantee.
A3:Our products have a limited 12 to 18 months warranty from shipment date to the original purchaser.Hengtong will replace or repair defective products free of charge.This warranty does not apply to any units have been modified,misused,neglected.
Q4:Shipment&packing.
A4:Products are generally shipped by international Express including UPS,FedEx,DHL and INT for freight prepaid,also can use your shipment account to collect,Standard export packing,including inspection certification.
Q5:Contact US.
A5:We have an active and experienced sales team to serve you on technical question and business issue.Just leave us message or click the Online Service.
Capacitive Differential Pressure Transmitter With Plug-in Or Direct Connection
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