Flush Diaphragm Pressure Sensor Transmitter For High Temperature Pressure Applications

Brand Name:HT SENSOR
Certification:CE,RoHs,ISO9001
Model Number:BP93420-IIIQT1
Minimum Order Quantity:1
Delivery Time:5-8 work days
Payment Terms:Western Union, L/C, T/T
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Location: Baoji Shaanxi China
Address: Building 4, No.195, Gaoxin Avenue, Weibin District, Baoji City, Shaanxi Province, China
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Flush Diaphragm Pressure Sensor Transmitter for High temperature Pressure Applications

BP93420-IIIQT1 Pressure Transmitter


Introduction of flush diaphragm pressure sensor:


  • The BP93420-IIIQT1 flush-diaphragm pressure sensor transmitter is an analog pressure transmitter with the following key features:
  • 1. Flat Membrane Structure: The transmitter's flush-diaphragm design increases the contact area with the measured medium, enhancing its performance.
  • 2. Wide Temperature Range: The transmitter is designed to operate within a wide temperature range, allowing it to adapt to diverse environmental conditions.
  • 3. Overload Capacity: The transmitter has a high overload capacity, enabling it to withstand pressure spikes and surges without compromising its functionality.
  • 4. Strong Corrosion Resistance: The materials and construction of the transmitter provide robust corrosion resistance, making it suitable for use in various harsh environments.
  • 5. Versatile Application: With these features, the BP93420-IIIQT1 series of pressure transmitters can be applied in a wide range of industries and applications that require reliable pressure measurement under challenging conditions.
  • 6.This optimization highlights the key advantages of the BP93420-IIIQT1 pressure sensor transmitter, emphasizing its suitability for use in diverse and demanding environments.
Performance Parameters of Flush Diaphragm Pressure Sensor
Measurement Range of Flush Diaphragm Pressure Sensor-100kPa…0kPa ~ 35kPa…3.5MPa
Pressure TypeGauge Pressure, Absolute Pressure, Sealed Pressure
Overload≤ 1.5 times of the rated range
Accuracy @ 25ºC±0.25% (Typical) ±0.5% (Maximum)
Repeatability≤0.1%FS
Hysteresis≤0.1%FS
Long-Term Stability±0.1%F.S/Year(Typical) ±0.2%F.S/Year(Maximum)
Zero Point Temperature Drift±0.02%F.S/ºC(≤100KPa) ±0.01%F.S/ºC(>100KPa)
Full Scale Temperature Drift±0.02%F.S/ºC(≤100KPa) ±0.01%F.S/ºC(>100KPa)
Frequency Response2.4Khz
Compensation Temperature0-70ºC(≤10mpa,customizable)
Operating Temperature-20ºC~80ºC
Storage Temperature-40ºC~120ºC
Vibration10g,55Hz ~ 2kHz
Housing Material304,316L
Diaphragm Material316L
Insulation Resistance100MΩ 100VDC
Explosion-proof RatingEx db IIC T6 Gb
Protection RatingIP65
O-Ring SealFluoro rubber
Weight~0.3kg




Applications of flush diaphragm pressure sensor:

  • 1. Suitable for measurement of non-corrosive gases and liquids with 316L.
  • 2. Used for aseptic processing in medical, biopharmaceutical, food hygiene and other industries.
  • 3. Used in the paper and chemical industries, as well as in sewage level and beverage tank pressure measurement, suitable for hydraulic and pneumatic control systems​.
Output Signal of flush diaphragm pressure sensorSupply VoltageOutput Type
4~20mA12~30VDC2/3/4 wire
0~10/20mA
3 wire
0/1~5V
0/1~10V
0.5~4.5V5VDC
RS485 Communication Protocol3.6~30V / Battery4 wire








Ordering tips of flush diaphragm pressure sensor
  • 1. When selecting the product, please ensure that the tested medium is compatible with the contact part of the product.
  • 2. When placing an order, please note that explosion-proof products do not include digital display heads.
  • 3. When ordering a transmitter with LCD or LED display head, the power supply of the transmitter should not be less than 20VDC.
  • 4. To ensure the reliable operation of the product, you are advised to install lightning protection devices on site and ensure that the product and power supply are reliably grounded.
  • 5. In case of special requirements such as strong vibration, instantaneous impact force, strong electromagnetic or RF interference, please inform us and indicate in the order.​
Order Guide of flush diaphragm pressure sensor
BP93420XXPressure Transmitter
CodeOutline Construction
IBGeneral Pressure TransmitterIXDisplay Pressure Transmitter
IEShock-resistant Aviation Pressure TransmitterIIC/IIIIndustrial General/ Display Pressure Transmitter
IFMoisture-proof Pressure TransmitterIIE/IIIEGeneral/Display Pressure Transmitter
INAir Conditioning Dedicated Pressure Transmitter
ICHigh-temperature Pressure Transmitter
IQ/IQTLarge Diaphragm /High-temperature Pressure Transmitter
Measurement Range-100kPa…0kPa ~ 35kPa…3.5MPa
(0-X)Kpa or MPaX: Indicates the Actual Measuring Range
CodePower Supply
D124VDC
D25VDC
D3Other
CodeOutput Signal
S14~20mADCS50~20mADC
S21~5VDCS60~10VDC
S30~5VDCS70.5~4.5VDC
S40~10mADC
CodePressure Connection
J1M20×1.5
J2G1/2
J3G1/4
J47/16-20UNF
J5Other
CodeElectrical Connection
B1Hirschmann
B2PG7 Plug
B3Sealed Cable Output
B42088 Industrial Casing
B52088 Industrial Casing with Display
B6Other
CodePressure Type
GGauge Pressure
AAbsolute Pressure
SSealed Reference Pressure


FAQ of flush diaphragm pressure sensor:


1. Q: What are the features of your flush diaphragm 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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Flush Diaphragm Pressure Sensor Transmitter For High Temperature Pressure Applications

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