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PAA21SR/80427.35-2.5 PDF预览

PAA21SR/80427.35-2.5

更新时间： 2024-11-19 23:26:07
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
2页 80K
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TRANSMITTER PIEZORESITIV

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PAA21SR/80427.35-2.5 数据手册

 浏览型号PAA21SR/80427.35-2.5的Datasheet PDF文件第2页 
KELLER  
PIEZORESISTIVE TRANSMITTERS AND TRANSDUCERS  
INDUSTRIAL APPLICATIONS. ABSOLUTE AND GAUGE REFERENCES.  
SERIES 21 R  
This new range of KELLER OEM pressure transmitters and transducers offers the user the  
high accuracy and stability of the KELLER piezoresistive pressure capsule in a low cost OEM  
package. Applications include refridgeration, hydraulic controls, air compressors, ink jet printers,  
vacuum pumps etc.  
The silicon sensor is mounted in an all welded oil filled stainless steel capsule, providing a  
highly stable measuring cell with negligible hysteresis, unrivalled linearity, high output and a  
life of millions of pressure cycles.  
The Series 21R use the Series 6 capsule, which is of all welded 316L stainless steel construc-  
tion. Transducers are supplied with 2 metres of screened cable, or a square connector and  
mating plug, type mPm-193.  
Accuracy is achieved by very large scale predictable production quantities of the pressure  
capsule (over 2 million produced today).  
Reliability is assured by the inherent properties of the perfectly elastic silicon chip, and ensuring  
that neither the pressure media nor the reference media (in the gauge version) come into  
contact with any sensitive parts.  
Temperature Compensation: Each unit is fully tested and compensated. Span errors are  
reduced by selecting the semiconductor doping levels so that the gauge factor of the strain  
gauges (∆R) is constant with temperature. Thermal zero compensation is achieved by an  
automatic test procedure which fits a single resistor across one arm of the bridge.  
Shock and vibration performance is excellent due to the silicon chip being suspended in the  
oil-filled capsule. It is isolated mechanically from the body. Similarly, the effects of mounting  
torque are eliminated.  
SERIES 21R WITH CABLE  
(PLAN 80096.2)  
ELECTRICAL CONNECTIONS  
2-WIRE 3-WIRE  
4-WIRE  
G 1/4"  
GREEN  
GND  
+OUT  
+VCC  
GND (WHITE)  
+OUT (RED)  
+VCC (BLACK)  
-OUT (BLUE)  
ø 17  
WHITE OUT/GND  
BROWN +VCC  
Cable Connection  
ø 18,6  
~ 50  
HEX 19  
HEX 19  
2-WIRE  
3-WIRE  
4-WIRE  
SERIES 21R WITH PLUG  
(PLAN 80096.3)  
mPm-Connector  
(Contact Spacing 9,4 mm)  
1
2
3
4
OUT/GND  
GND  
+OUT  
+VCC  
GND  
+OUT  
+VCC  
-OUT  
G 1/4"  
+VCC  
ø 17  
12  
8
~ 56  
Subject to alterations  
4/99  
KELLER AG für Druckmesstechnik  
KELLER Gesellschaft für druckmesstechnik mbH  
St. Gallerstrasse 119  
Schwarzwaldstrasse 17  
CH-8404 Winterthur  
D-79798 Jestetten  
Tel. 052 - 235 25 25  
Tel. 07745 - 9214 - 0  
Fax 052 - 235 25 00  
Fax 07745 - 9214 - 50  
Companies approved to ISO 9001 / EN 29001  
Internet: http://www.keller-druck.ch  
12

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