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Specifications
capacitive level sensor1.Integration usage
2.high Stability
3.good quality
Capacitive level sensor
Description:
The capacitive differential pressure transmitter can measuring liquids’ level and density of kinds of container accurately. Transmitter is mounted to the container with pipe flange. Be propitious to measuring medium of high temperature,high viscosity and easy to subside or strong corrosive.Diaphragm subassembly have plane and plug-in types.flange size: 3inch and 4inch; pressure grade: 50Ib and 300Ib. The membrane can select 316 stainless steel, Hastelloy or tantalum according to measure medium.
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 |
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 overpressur |
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 |
Installation
Performance Data
Reference condition |
zero is the lower limit and not offset, temperature 25℃, Atmospheric pressure, 24VDC power, silicon oil , diaphragm 316L, data adjust range the same as the up and lower limit of the range. |
Accuracy |
±0.075~±0.1% |
Stability |
±0.1%URL/year |
Tem. influence |
±(0.05%URL+0.15%FS+200Pa)20℃ |
Static pressure influence |
zero error 0.1URL/6.9Mpa; Zero error 0.1URL/1.7MPa |
Vibration influence |
withstand frequency 200Hz at any direction, arouse error ±0.05%URL |
Power influence |
<0.005%/V |
Load influence |
no load influence |
Mounting position influence |
about 250Pa zero offset, can be eliminate via calibration, no range influence. |
RF interference influence |
drift is ±0.1%span in the condition of 30-1000MHz frequency and the most field intensity 10V/m |
About Us:
Xi'an Yunyi Instrument Co., Ltd. is a professional manufacturer that engaged in the fields of pressure measurement instrument, the chief engineer Mr Tian has more than 30 years on this area, he is one of the engineers who introduced the Rosemount technology. We specializing in developing high precision pressure transmitter and pressure gauges. And we also develop temperature transmitter, level transmitter, densitometer etc. They are widely used in chemical, petroleum, paper, electricity, city gas, environmental protection, water treatment and other fields.
If you need this capacitive level sensor , please contact me freely.
skype:wangxiaoyuncalar
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