19mm Diffused Silicon pressure sensor for digital pressure gauge QX19
19MM Diffused Silicon pressure sensor for digital pressure gauge QX19
QX19 gauge pressure sensor is standard and common OEM pressure sensor,which has good sensitivity, linearity and hysteresis for industry and many other hostile environments. Silicon Oil-filled and isolated from measured media by a stainless steel diaphragm and body.It uses Laser trimming technics or outer resistors to do temperature compensation and zero correction. The whole products has high reliability,high endurance and long stability.The sensors are widely used for chemi-industry, process control. Liquid pressure system,etc.
Features
Piezoelectric pressure sensor
MEMS technology
1 mm diameter
pressure range:-100~0kPa,0~20kPa...100MPa
gas or dilute liquid compatible with 316LSS
Applications
Digital pressure gauges
Industrial process control
Wastewater and environmental engineering
Liquid pressure system and switch
Refrigeration equipment and air conditioner
Technical Specifications
test condition of data:25°C(77°F)
|
Technology |
Piezo resistive |
|
Type |
OEM Pressure Sensing Element |
|
Standard Measurement Range (bar) |
[-1/0], [-0.2/+0.2], 0.2, 1, 4, 6, 10, 16, 25, 50, 100, 400, 600, 1000, Other non standard range |
|
Purpose and Application |
General Purpose, Corrosive Media, Compact Size / Miniature, Low voltage Excitation |
|
Accuracy (combined LRH) |
0.25% FS, 0.5% FS |
|
Output Signal |
~ 70mV, ~ 40mV |
|
Pressure Reference |
Absolute (0 at vacuum), Sealed Gauge (0 at 1bar), Vented Gauge (0 at atmospheric pressure) |
|
Process Connection |
No Pressure Port, G1/4(¼" BSPP male), G1/2(½" BSPP male), Others |
|
Electric Connection |
4-wire, 6 pin connection |
|
Protection Level |
No |
|
Overload Rating |
150% |
|
Long Term Stability |
<0.2% FS/year |
|
Diaphragm Material |
Stainless Steel 316L, Hastelloy, Titanium |
|
Compensated Temp. Range |
0 to 70°C |
|
Operating Temp. Range |
-20 to +80°C |
|
Temp. Coefficient of Zero |
0.02% FS /°C |
|
Temp. Coefficient of Span |
0.02% FS /°C |
|
Input Resistance |
2-6kΩ |
|
Output Resistance |
No |
|
Insulation resistance |
100MΩ @ 50VDC |
|
Zero offset |
≤ ±3mV |
Dimensions(in mm)
Other types
From the raw material to the finished production we have the very strict and serious procedure to guarantee our products get to the different quality requirements.
1. To provide considerate and comprehensive before and after-sales services
2. OEM service, customer's logo are available.
3. To accept consumers ‘order with special requirements.
4. One year warranty for all products
We are a professional manufacturer and exporter that engaged in the development, sales and customized service of
Pressure sensors,
Pressure transmitters,
Pressure switches/controllers,
Digital pressure gauges,
Level transmitters,
Temperature transmitters,
Flow switches etc.
They are widely used in aerospace, automobile, chemical, metallurgy, petroleum, paper-making,drugs manufacturing, electric power, food, medicine, railroad and water conservation industry etc.
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