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Specifications
capacitive sensor1 Standard 4~20mA,RS-485 communication interface
2 Support upgrade of basic scene control technique
Capacitive sensor
Description :
Pressure or differential pressure will cause changing of capacitance value, analog signal convert to digital signal via AD and then being transfered to microprocessor, processed by microprocessor then convertted to 4~20mA analog electricity signal via DA.
Features :
Super performance, use to measure pressure, differential pressure,liquid level, rate of flow.
Accuracy: ±0.075%~±0.1%F.S
Stability: ±0.25%
Standard 4~20mA,RS-485 communication interface
Support upgrade of basic scene control technique
Application
Compatible with 316LSS,noncorrosive liquids.
Shipping and aviation industry.
Hydraulic pressure and pneumatic control system
Apply in Petroleum industry, chemical industry, electric power, metallurgy, hydrology etc process control.
Range:
Range code |
Range |
Measuring range |
|
Min. |
Max. |
||
4 |
0.374KPa |
37.4KPa |
-37.4~37.4KPa |
5 |
1.868KPa |
186.8KPa |
-186.8~186.8KPa |
6 |
6.9KPa |
690KPa |
-690~690KPa |
7 |
20.68KPa |
2068KPa |
-2068~2068KPa |
Technical Data :
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 |
About Us:
If you need this capacitive sensor , please visit the website
skype:wangxiaoyuncalar
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