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B58621K0520A006 PDF预览

B58621K0520A006

更新时间: 2024-04-09 18:58:18
品牌 Logo 应用领域
东电化 - TDK /
页数 文件大小 规格书
10页 393K
描述
Pressure transmitter, Current output

B58621K0520A006 数据手册

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Pressure sensors  
Pressure transmitters without stainless steel casing (current output)  
CAU-T series  
6. Symbols and terms  
1)  
Storage temperature range Tst  
A storage of the pressure sensor within the temperature range Tst,min up to Tst,max  
and without applied pressure and supply voltage will not affect the performance of the pressure sensor.  
2)  
3)  
Operating temperature range Ta  
An operation of the pressure sensor within the temperature range Ta,min up to Ta,max  
will not affect the performance of the pressure sensor.  
Compensated temperature range TC  
While operating the pressure sensor within the temperature range Tc,min up to Tc,max  
,
the deviation of the output signal from the values at 25 °C will not exceed the temperature coefficients.  
Out of the compensated temperature range, the deviations may increase.  
4)  
Rated pressure pr  
Within the rated pressure range 0 up to pr (symmetrical output: -pr up to +pr) the signal output characteristic corresponds  
to this specification.  
5)  
6)  
Over pressure pOV  
Pressure cycles within the pressure range 0 up to pov will not affect the performance of the pressure sensor.  
Supply voltage VCC  
VCC,max is the maximum permissible supply voltage, which can be applied without damages.  
VCC,min is the minimum required supply voltage, which has to be applied for normal operation.  
7)  
8)  
Load resistance RL  
Depending on VS, the maximum working resistance is RL ≤ (VS – 10 V) / 0.02 A.  
DC voltage resistance Vis  
The pressure sensor withstands a high voltage between the stainless steel pressure connection and the electrical  
connection I+ and I- (short circuited) without damage.  
9)  
Offset ICC0  
The offset ICC0 is the signal output ICC (p = 0) at zero pressure.  
10)  
Signal span (Full Scale)  
Simple output:  
IFS = FS = ICC (pr) – ICC0  
Symmetrical output: IFS = FS = ICC (+pr) – ICC (-pr)  
11)  
Non-linearity L (including pressure hysteresis)  
The non-linearity is the deviation of the real sensor characteristic ICC = f(p) from the ideal straight line.  
It can be approximated by a polynomial of second order, with the maximum at px = pr / 2.  
The equation to calculate the non-linearity is:  
12)  
13)  
Response time  
Delay between a pressure change (10…90% pr) and the corresponding signal output change (10…90% FS).  
Supply voltage rejection SVR  
While varying the supply voltage within the range VCC, min up to VCC, max at constant pressure and temperature, the signal  
output change will not exceed SVRmax  
.
14)  
15)  
Temperature hysteresis  
The temperature hysteresis is the change of offset, starting from the value at 25 °C after a temperature change  
and return to 25 °C. Determined during temperature cycles in operating temperature range (cycles with 1 K/min).  
Temperature coefficients of offset TCICC0  
Offset at temperature Tx: ICC0(Tx) = ICC0(25 °C) + IFS (25 °C) · TCICC0  
Values are valid within the compensated temperature range TC,min up to TC,max  
Out of the compensated temperature range, the deviation may increase.  
16)  
Temperature coefficients of span TCIFS  
Span at temperature Tx: IFS(Tx) = IFS(25 °C) · [ 1 + (TX – 25 °C) · TCIFS]  
Values are valid within the compensated temperature range TC,min up to TC,max  
Out of the compensated temperature range, the deviation may increase.  
SEN PS PD T  
2020-05-05  
Please read Cautions and warnings and  
Page 6 of 10  
Important notes at the end of this document.  

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