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SCXCNCT

更新时间： 2024-10-03 06:10:35

品牌	Logo	应用领域
SENSORTECHNICS		传感器压力传感器
页数	文件大小	规格书
4页	111K
描述
Low cost compensated pressure sensors

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SCX...C Series

Low cost compensated pressure sensors

FEATURES

GENERAL DESCRIPTION

The SCX...C series sensors will provide a

very cost effective solution for pressure

applications that require operation over a

wide temperature range. These internally

calibrated and temperature compensated

sensors give an accurate and stable output

over a 0°C to 70°C temperature range. This

series is intended for use with non-corro-

sive, non-ionic working fluids such as air,

dry gases, and the like.

· 0...1 to 0...150 psi

· Low cost

· Precision temperature

compensation

· Calibrated zero and span

· Small size

Devices are available to measure absolute,

differential, and gage pressures from 1 psi

(SCX01) up to 150 psi (SCX150). The ab-

solute (A) devices have an internal vacuum

reference and an output voltage proportio-

nal to absolute pressure. The differential

(D) devices allow application of pressure

to either side of the pressure sensing

diaphragm and can be used for gage or

differential pressure measurements.

· Low noise

Scale:

1 cm

½ inch

· High impedance for

low power applications

circuitry. For higher accuracies, refer to

the standard SCX series datasheet. If the

application requires extended temperature

range operation, beyond 0 to 70°C, two

pins which provide an output voltage pro-

portional to temperature are available for

use with external circuitry.

The SCX devices feature an integrated cir-

cuit sensor element and laser trimmed thick

film ceramic housed in a compact nylon

case. This package provides excellent

corrosion resistance and provides isolation

to external package stresses. The package

has convenient mounting holes and pres-

sure ports for ease of use with standard

plastic tubing for pressure connection.

APPLICATIONS

· Medical Equipment

The output of the bridge is ratiometric to the

supply voltage and operation from any D.C.

supply voltage up to +20 V is acceptable.

· Computer Peripherals

· Pneumatic Control

· HVAC

All SCX devices are calibrated for span to

within ±5 % and provide an offset (zero

pressure output) of ±1 mV maximum. These

parts were designed for low cost applica-

tions where the user can typically provide

fine adjustment of zero and span in extenal

Because these devices have very low

noise and 100 microsecond response time

they are an excellent choice for medical

equipment, computer peripherals, and

pneumatic control applications.

EQUIVALENT CIRCUIT

ELECTRICAL CONNECTION

Pin 1) Temperature output (+)

Pin 2) V_S

Pin 3) Output (+)

Pin 4) Ground

Pin 5) Output (-)

Pin 6) Temperature output (-)

1 2 3 4 5 6

Bottom view

Note: The polarity indicated is for pressure applied to port B

(for absolute devices pressure is applied to port A

and the output polarity is reversed.)

August 2005 / 060

1/4

www.sensortechnics.com

12 3 4

中文翻译

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