Cyx12 High Accuracy Input Voltage 316L Air Chip Liquid Pressure Sensor

• Customization: Available
• Type: Piezoresistive Pressure Sensor
• Component: SemiConductor Type
• Model NO.: CYX12
• Output Signal Type: Analog Type
• Production Process: Integration
• Material: Stainless Steel
• Wiring Type: Four-Wire
• Measuring Medium: Liquid
• Certification: CE
• Customized: Customized
• Range: -100kpa~100MPa
• Weight: 36g
• Response Time: ≤1ms
• Packing Medium: Silicon Oil / Fluorine Oil
• Shell & Diaphragm Material: 316L Stainless Steel
• Storage Temperature: 40~+125ºC
• Excitation Current: 1.5(Max Input Voltage Is 10VDC) Ma
• Long-Term Stability: 0.1%Fs/Year
• Transport Package: Sgandard Package
• Trademark: Huatian
• Origin: Tianshui, Gansu, China
• Production Capacity: 50000pieces/Year
• Package Size: 11.00cm * 11.00cm * 7.00cm
• Package Gross Weight: 3.000kg

Product Description

Product Description

CYX12 series pressure sensor adopts piezoresistive chip with international advanced silicon pressure chips with high stability and high precision, and adopts the sintering base with stress optimization design. The sensor is produced by the following processes: chip mounting, gold wire bonding, diaphragm welding, high vacuum oil injection, pressure cycle stress relief, high temperature aging, temperature compensation, etc. The product has excellent stability and performance. 
The miniaturized outline dimension is designed to meet the small size of the user's whole machine. They are widely used for pressure measurement of compatible media with ss316L, NBR and FKM.

Features

1. measurement range: -100kPa~0kPa ~ 200kPa…100MPa
2. pressure forms: gauge pressure (G), absolute pressure (A) and seal gauge pressure (S)
3. constant current power supply
4. isolated structure, suitable for multiple fluid media
5. Φ12.6mm pressure diameter
6. all 316L stainless steel
7. tantalum diaphragm can be customized

Applications

industrial process control                               well detection
gas and liquid pressure measurement          pressure detection and calibration instrument
pressure switch and hydraulic system          internet of things for fire protection

Technical Index

4.1 Electrical performance 

1. power supply: ≤ 3.0mA
2. electrical connection: 0.2mm² four color 100mm silicon rubber flexible wire
3. common-mode voltage output: 50% of current type input (typical value)
4. input impedance: 2.7kΩ ~ 5kΩ
5. output impedance: 3.0kΩ ~ 6kΩ
6. response time (10% - 90%): < 1ms
7. insulation resistance: 500MΩ / 100V DC
8. allowable overvoltage: 1.5 times of full scale

4.2 Structure performance

1. diaphragm material: stainless steel 316L
2. shell material: stainless steel 316L
3. pin lead: gold-plated Kovar
4. sealing ring: NBR, FKM (optional)
5. net weight: about 10g

Environmental Conditions

1. vibration: no change at 10gRMS, (20-2000) Hz
2. constant acceleration: 100g, 11ms
3. media compatibility: liquid or gas compatible with ss316L and NBR (FKM optional)

4.4 Reference conditions

1. medium temperature: (25 ± 3) ºC
2. ambient temperature: (25 ± 3) ºC
3. humidity: (50% ± 10%) RH
4. ambient pressure: (86-106) kPa
5. power supply: (1.5 ± 0.0015) mA DC

4.5 Standard range sensitivity output and optional pressure form

Range	Full scale output (mV)	Typical value	Pressure form		Range	Full scale output (mV)	Typical value	Pressure form
0~200kPa	60~90	70	G/A		0~7.0MPa	120~150	135	S/A
	90~120	100	G/A		0~10MPa	80~100	90	S/A
0~600kPa	90~135	110	G/A			180~230	200	S/A
	90~120	100	G/A		0~25MPa	140~170	150	S/A
0~1.0MPa	80~120	100	G/A		0~40MPa	75~100	80	S/A
0~1.6MPa	80~110	150	S			230~280	250	S/A
0~1.6MPa	125~185	150	G/A		0~60MPa	95~160	130	S/A
0~2.0MPa	100~125	110	G/A		0~100MPa	80~100	90	S/A
0~3.5MPa	100~120	110	G/S/A			100~150	120	S/A

4.6 Basic parameters

Parameters	Typical value	Max value	Unit
Full scale output	100	250	mV
Zero output	±1	±2	mV
Nonlinearity	0.2	0.5	%FS
Hysteresis	0.05	0.08	%FS
Repeatability	0.05	0.08	%FS
Input / output impedance	2.6	5.0	kΩ
Zero temperature drift	±0.4	±1.0	%FS, @25ºC
Sensitivity temperature drift	±0.4	±1.0	%FS, @25ºC
Long-term stability	0.2	0.3	%FS / year
Excitation current	1.5 (the maximum input voltage can be 10V)		mA
Insulation resistance	500 (100VDC)		MΩ
Compensation temperature	-10~+70		ºC
Working temperature	-40~+125		ºC
Storage temperature	-40~+125		ºC
Response time	≤1		ms
Housing and diaphragm material	stainless steel 316L
O-ring	FKM, NBR, silicone rubber
Measuring medium	fluids compatible with 316L, NBR, FKM and silicone
Life (25 ºC)	> 1 × 10^8 pressure cycle (80% FS)		times
Filling medium	silicone oil
Sealing ring	Φ 10 × 1.3mm (NBR or FKM (note 1))
Note 1. temperature resistance range of  seal ring is - 20 ºC ~ +200 ºC, low temperature performance is poor, when the temperature is lower than - 20 ºC, please verify before using.

 5 Model structure selection

5 Model selection
5.1 Model selection and outline drawing

Series	Measuring Range	Model	Outline Drawing
CYX12	-100kPa~0kPa~10MPa	CYX1201
	25MPa~100MPa	CYX1202
	-100kPa~20MPa	CYX12A

6 Schematic diagram and wiring mode



 

IN + (red wire) - power supply positive		IN - (black wire) - power supply negative
S + (yellow wire) - output positive		S - (blue wire) - output negative

7 Application tips

1. The product is an electrostatic sensitive device, please take ESD preventive measures.
2. The measured medium should be compatible with the sensor material.
3. The assembly of this product shall be assembled into a 'floating' structure according to protect the recommended size.
4. Pay attention to protect the sensor's diaphragm and compensation circuit board; avoid falling, crashing etc, which will affect the stability of the product.
5. Sensors with 0.01μF capacitor (positive power to ground, positive and negative output to ground), if not needed, customers can contact Huatian when ordering.
6. The vent pipe of the G sensor should be kept connected with the atmosphere; prohibit water, water vapor or corrosive media from entering the vent pipe.
7. In case of any change of pin lead, the label with the pressure sensor shall prevail.

Company Information

Tianshui Huatian Sensor Co., Ltd. is a new high-tech enterprise which combined R&D, production, sales with engineering service. It is one of the enterprises which engaged in the integrated pressure sensors and transducers in China. We have passed GB/T 19001-2008 quality management system certification in November 2009.

The Main Products:

CYX series pressure sensors, CYB series pressure transmitter, CYBD series intelligent measurement instrument, CYBK series electronic pressure switches and CW series temperature transmitters.

At present, the company has a number of patents with independent intellectual property rights for the integrated pressure sensors and transducers, which are widely used in industrial automation fields such as coal, oil, electric power, metallurgy, light industries and etc.

The First-Class Equipment:

Laser Trimming Machine; Gold Wire Ball Welding Machine; Shaped Cap Sealing Machine; Laser Welding Machine; High Vacuum Oiling Machine; Precision High Low Temperature Test Box; High Precision Automatic Temperature Compensation System and Automatic Test System and Other Hardware Facilities.

Business Advantages:

One hundred thousand purification plant (3000m2); Pressure sensors, transducers and intelligent digital instrument production line (200000 pieces annual output); A leading domestic OEM oil pressure sensor core body production line (1000000 pieces annual output); High-quality R & D team; Advanced process technology.

We are willing to create a splendid future with customers and partners hand in hand.

Factory Production Equipment