安费诺Amphenol i2s 柴油机微粒过滤器（DPF）中的压差传感器模块

数学压差传感器（MDPT）是专门为测量柴油机微粒过滤器（DPF）中的压差而开发的。MDPT由两个坚固的独立压力传感器组成，可测量过滤器上游和下游的压力。借助微控制器，借助获得专利的数学方法确定压力差。此设置可以额外输出系统压力。

产品应用
Fields of application
Exhaust aftertreatment · Monitoring of diesel particulate filters
· Enhanced emissions monitoring (OBD)
· Protection of the motor against overpressure
产品特性及参数
Key features Benefits
Measurement via two independent pressure sensor modules · High degree of accuracy due to mathematically calculated and corrected output values
· Measurement and output of the differential and system pressure possible
Use of materials resistant to exhaust emissions · Excellent media compatibility
· Resistant to corrosion and hydrolysis
Application-specific evaluation electronics · Automobile-tested EMC/ESD durability
· Enhanced diagnostic and protective functions
Pressure ranges
Differential pressure 200…800 mbar
System pressure max. 10 x differential pressure
Overpressure 1.5 x system pressure
Bursting pressure 2.5 x system pressure
Accuracy Total error 4) ± 0.2% FS (25…80°C)
Environmental conditions
Operating temperature range -40…125°C
Media compatibility Exhaust, compressed air, diesel fuel, motor oil
ESD (DIN EN 61000-4-2) 8 kV (severity level 4)
EMC (ISO 11452) 200 V/m (Stripline)
150 mA (BCI)