Product Overview

This micro differential pressure/air pressure transmitter selects high-quality components from a German company, adopts standardized circuit and assembly processes as well as unique sensor stress isolation technology, and after temperature compensation and high-stability amplification processing, converts the differential pressure signal of the measured medium into 4~20mA DC or 1~5V DC standard signals. High-quality sensors, standardized circuit design, exquisite packaging technology, and complete assembly processes ensure the excellent quality and optimal performance of this product. This series of products is specially designed for industrial and civilian OEM customers, establishing a new standard for performance-to-price ratio.

Product Features

◇ High cost performance ratio

◇ 0～0．5kpa to 0—700kpa

◇ Zero point and span continuously adjustable

◇ Reverse polarity protection and current limiting protection

◇ Lightning protection and radio frequency interference protection

◇ Compact structure, attractive appearance, convenient installation

◇ Standardized design and production ensure stable product quality and performance

◇ Can be designed or improved according to customers' specific application requirements 

Product Performance

Measurement range Differential pressure/air pressure: 0~500Pa…700KPa

Negative     pressure: 0~-500Pa…-1KPa…-5KPa…-10KPa….-50KPa…-100KPa

Allowable overload 2 times full-scale pressure

Measured medium    Non-corrosive, dust-free, dry gas

Overall accuracy 

Linearity, repeatability, hysteresis ±0.1%FS ±0.25%FS ±0.4%FS

Medium temperature -20℃~85℃

Compensation temperature -10℃~55℃

Ambient temperature -10℃~80℃

Zero temperature drift Typical: 0.02%FS/℃ Maximum: 0.05%FS/℃

Sensitivity temperature drift Typical: 0.02%FS/℃ Maximum: 0.05%FS/℃

Long-term stability Typical: ±0.1%FS/year Maximum: ±0.2%FS/year

Power supply range 12~36VDC（typically 24VDC）

Signal output 4~20mA / 1~5V DC / 0~5V DC / 0.5~4.5V DC

Load resistance ≤(U-12)/0.02 Ω

Housing material Hard aluminum alloy with sprayed surface or 304 stainless steel

Protection rating IP65 or IP67

Process connection Φ8 nozzle with M10x1 mounting screw (special threaded connection available)

Explosion-proof marking Exia II CT5(intrinsically safe explosion-proof type)

Weight Approximately 0.35Kg

Vibration error ≤±0.01%FS(X、Y、Z axis, 200Hz/g)

Response time ≤2 ms

Insulation resistance 100MΩ,500V DC

Since its establishment, Xi'an Shenghongchuang Instrument Co., Ltd. has mainly been engaged in the R&D and production of pressure, liquid level, temperature, differential pressure, digital display, weighing, and flow instruments. Main products include Swiss metallux ceramic piezoresistive sensors and self-developed ceramic capacitive pressure sensors. Diffused silicon, ceramic piezoresistive, strain gauge, metal capacitive, ceramic capacitive pressure transmitters, remote pressure transmitters, high-temperature pressure transmitters, flush diaphragm pressure transmitters, anti-corrosion pressure transmitters, integrated/split liquid level transmitters, anti-corrosion liquid level transmitters, lightning protection liquid level transmitters, high-temperature guided-pressure liquid level transmitters, rigid rod liquid level transmitters, flange liquid level transmitters, air pressure transmitters, metal capacitive differential pressure transmitters, diffused silicon differential pressure transmitters, pressure controllers, thermocouples/RTDs, temperature transmitters, ultrasonic level meters

Notes 1. All supplied products are accompanied by product certificates and instruction manuals, including product number, technical parameters, wiring, factory date, etc. Please carefully check them to avoid incorrect use.2. Wiring should be carried out strictly in accordance with our company's instructions for use.3. This product is a precision instrument. Random disassembly, collision, dropping, and poking the sensor with sharp tools are prohibited.4. The transmitter can operate immediately after power-on, but the output will stabilize after 30 minutes of preheating.5. If any abnormality is found during use, the power should be turned off, use should be stopped, inspection should be carried out, or our company's technical department should be contacted directly.6. During transportation and storage, the original packaging should be restored and the product should be stored in a cool, dry, ventilated warehouse.7. The quality guarantee period is 12 months（damage caused by improper use such as pressure overload and wiring errors is not covered by the quality guarantee）.8. Special products are customized products, do not participate in 7-day no-reason return, customization has a lead time, no return and no exchange.