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Quick Details

Model Number: BS12
Brand Name: Gaohua
Place of Origin: China (Mainland)

Specifications

 

BS12 Piezoresistive OEM Pressure Sensor

 

 


Feature

>  Pressure range (-0.1～0…60)MPa;

>  Gauge, absolute and sealed gauge;

>  Constant current power supply;

>  Isolated construction to measure various media

>  Φ19mmOEM pressure element

>  316L stainless steel material

>  Perfect long term stability

>  Different male thread connection option

Application

·Industrial process control  
·level measurement   
·Gas, liquid pressure measurement

·Pressure meter   
·Pressure calibrator   
·Liquid pressure system and switch

·Refrigeration equipment and air conditioner   
·Aviation and navigation inspection

Introduction

General BS12 Piezoresistive Pressure Sensor

The outline, installation dimension and sealing method of BS12 is strongly interchangeable, it is widely used for measuring pressure which is compatible with stainless steel and Viton;

Assembled BS12N Piezoresistive Pressure Sensor

Put general BS12 pressure sensor into the housing with standard or special thread; use face type seal or waterline seal; with flexible construction and strict inspecting and screening; the assembled.BS12N sensor has similar application with general type sensor, it can be used for mounting and production of different pressure instruments;


Welded BS12N-H Piezoresistive Pressure Sensor

Put general BS12 pressure sensor into the housing with standard or special thread; and weld sensor with housing together,no O-ring for sealing. The whole product has flexible construction, it has wider application fields than general pressure sensor, can be used for mounting and production of different pressure instruments;


Flush Diaphragm BS12P Piezoresistive Pressure Sensor

Flush diaphragm pressure sensor is a full-welded pressure sensor, it has pressure port G1/2 male or M20x1.5 male, sealing by Viton O-ring at the end of thread. The isolated diaphragm is welded in front of thread port, the whole measure range is 0～100kPa…35MPa. It can be used for food, medicine,sanitation fields in which the media is easily dirty.


Gauge BS12 Pressure Sensor with Vacuum Measurement

We can use general type, assembled type as well as flash diaphragm type gauge pressure sensor to measure pressure below air pressure, the min. pressure can be around -100kPa.

Basic Specification

Item

Min.

Typ.

Max.

 Units

Linearity

 

±0.15

±0.25

%FS,BFSL

Repeatability

±0.1 

%FS

Hysteresis

±0.05

±0.1

%FS

Zero output

±2

 mVDC

FS output

60

mVDC

Zero thermal error

±0.02

%FS/℃

≤70Kpa      Zero thermal error

±0.03

%FS/℃

FS thermal error

±0.03

%FS/℃

≤70Kpa

FS thermal error

±0.05

%FS/℃

Compensated temp. range

-10～70

 ℃

≤70Kpa

Compensated temp. range

0～70

℃

Storage temp. range

-20～65

 ℃

Stability

 ±0.2

±0.3

 %FS/year

*testing at basic condition, G: Gauge; A: Absolute; S: Sealed gauge

Electric Connection

Pin

Connection

Red

IN+

Yellow

OUT+

Black,green

IN-

White

OUT-


Electric Performance

 Power supply

 1.5mA(typ.)

 Electric connection

Kovar pin or100mmsilicon rubber flexible wires

Common mode voltage output

50% of input (typ.)

Input impedance

2kΩ～6kΩ

Output impedance

2kΩ～6kΩ

Insulation resistor

250MΩ, 250VDC

Overpressure

<6MPa, 2 times FS;

(6~60)MPa, 1.5times FS;

Differential pressure or Low pressure range 1.3times FS

Construction

Diaphragm

stainless steel316L

Housing

stainless steel316L

Pin

Kovar

O-ring

Viton

Net weight

~30g(general type)

~50g(flush diaphragm)

~150g(assembled type)

Environment Condition

Position

Deviate 90° from any orientation, zero change ≤0.05%FS

Impact

100g, 11ms

Media compatibility

The gas or liquid which is compatible with construction material and Viton

Basic Condition

Media temperature

(25±1)℃

Environment temperature

(25±1)℃

Shock

0.1g (1m/s/s) Max

Humidity

 (50%±10%)RH

Local air pressure

(86～106)kPa

Power supply

(1.5±0.0015)mADC

Order Guide

BS12

OEM Pressure sensor

Code

Type

U

Universal BS12 Piezoresistive Pressure Sensor

A

Assembled BS12N Piezoresistive Pressure Sensor

W

Welded BS12N-H Piezoresistive Pressure Sensor

F

Flush Diaphragm BS12P Piezoresistive Pressure Sensor

G

Gauge BS12 Pressure Sensor with Vacuum Measurement

D

Differential pressure sensor

19

Diameter:19mm

Code

Pressure range

0.035

35kPa

0.07

70kPa

0.1

100kPa

0.2

200kPa

0.35

350kPa

0.7

700kPa

1.4

1.4MPa

2.1

2.1Mpa

3.5

3.5MPa

007

7MPa

017

17MPa

035

35MPa

070

70MPa

Code

Pressure reference

A

Absolute pressure

G

Gauge pressure

S

Sealed gauge pressure

D

Differential pressure

Code

Excitation

C

1.5mA

V

others (please specify)

Code

Temperature compensated type

N

no compensation

R

compensated by resistors

Code

Electric connection

1

kovar

2

silicon rubber flexible wires

BS12

U

19

0.35

G

C

N

1

Order Note

1. It is recommended that the sensor should be installed as Suspended Mode to avoid face tight press and avoid affecting sensor stability.

2. Please pay attention to protect the diaphragm to prevent any damage or bad performance.

3. If the working temperature of Viton rubber exceeds the temperature of the rubber specification or be applied in critical environment, please contact us.

4. The material of measuring medium should be compatible with the stainless steel.If it is corrosive,pls specify its material in detail.

5.Please note in the order if you need zero pressure as negative pressure.

6. All specifications are subject to change.Contact Gaohua for specifications and engineering drawings that are critical to your application.Drawings contained in this document are for reference only.