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SS316L 20mA Temperature Compensation Piezoresistive Differential Pressure Transmitter With Thread

Categories Piezoresistive Differential Pressure Transmitter
Brand Name: Sier
Model Number: SPT90
Certification: CE,RoHS
Place of Origin: China
MOQ: 1
Price: USD50~70/Piece
Payment Terms: T/T, Western Union
Supply Ability: 5000 pieces each month
Delivery Time: 7
Packaging Details: Carton
Housing: stainless steel 304
Diaphragm: stainless steel 316L
O-ring: Viton
Filled liquid: silicon oil
Pressure port: G1/4 female
Storage temp.: -40~120
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SS316L 20mA Temperature Compensation Piezoresistive Differential Pressure Transmitter With Thread

Piezoresistive Differential Pressure Transmitter

Features

·Full stainless steel construction, compact size, easy installation;

·Using piezoresistive differential pressure sensor, 316L isolated diaphragm;

·Temperature compensation and aging, stable performance;

·Zero and span adjustable outside;


Introduction

SPT90 uses piezoresistive differential pressure sensor as sensing element. Silicon oil is filled in between die and two diaphragms, when measured differential pressure is added on two diaphragm, the pressure could be transferred onto die through silicon oil. Sensor die connects with amplifier circuit through wires, using semi-conductor’s piezoresistive effect, transforming differential pressure signal into electric signal. The whole product is used for differential pressure measurement of petroleum, chemi-industry, power station and hydrology, etc.


Specification

Min.Typ.Max.Unit
0.50.5%FS
0.50.5
Zero Thermal error0~100kPa0.751.25±%FS, @25℃
200~3500kPa0.50.75
FS Thermal error0~100kPa0.751.25
200~3500kPa0.50.75
Stability≤200kPa0.5%FS/year
≤3500kPa0.2
Static pressure effect0.05±%FS, each 100kPa
Compensation temp.0~50
Operation temp.-10~80
Storage temp.-40~120

Electric Characteristic

Power supply2-wire 15~28VDC 3-wire 15~28VDC
Output signal2-wire 4~20mADC 3-wire 0/1~5VDC,0~10/20mADC
Electric connectionplug connection or Φ7.2mm 7-pin cable
Response time(10%~90%)≤1ms
Insulation resistor100MΩ,50VDC

Construction Material

Housingstainless steel 1Cr18Ni9Ti
Diaphragmstainless steel 316L
O-ringViton
Filled liquidsilicon oil
Pressure portG1/4 female

Environment Condition

Shock effect≤1% at 3gRMS, 30~2000Hz
Impact≤1% at 100g, 10ms
Lifetime1×108 pressure cycles
Medialiquid or gas which is compatible with construction material

Order Guide

Order Note


1. We suggest to install tri-valve between the measured point and transmitter to protect the media adding on transmitter’s positive and negative cavities slowly;

2. We suggest to make two pressure ports horizontally to reduce installation direction effect;

3. Please pay attention that the static pressure should be less than 20Mpa, transmitter positive and negative cavity should be in the rating pressure range;

4. If the user has special requirement, please feel free to contact our company.

Quality SS316L 20mA Temperature Compensation Piezoresistive Differential Pressure Transmitter With Thread for sale
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