YURA19 OEM Pressure Sensor

YURA19 OEM pressure sensor

Piezoresistive Silicon Pressure Sensor

Application: Pressure measurement, Pressure calibration instruments, Level measurement, and Hydraulic systems etc.

Measuring range: -100kPa~100MPa
Process temperature: -40～85℃
Material: SS 316L
Imported highly reliable pressure
Sensing die

Product

YURA19 OEM pressure sensor is a high-precision and High stable piezoresistive sensor, equipped with state-of-the-art pressure-sensitive chips. It is crafted with meticulous care, utilizing advanced technology, and adhering to stringent military-industry production standards. This sensor finds versatile applications across various industries, including petroleum, chemical, metallurgy, electric power, aviation, and medical equipment.

The YURA19 series pressure sensors cutting-edge engineering and precision components, boasting a silicon pressure chip known for its high stability. These sensors feature a stress-optimized sintered seat and undergo a rigorous manufacturing process involving Surface Mount Device (SMD) technology, gold wire bonding, diaphragm welding, high vacuum oiling, stress relief procedures, high-temperature aging, and temperature compensation.

Features

Measuring Range: -100kPa~0~10kPa…100MPa, offering versatile pressure measurement capabilities.

Pressure Types: Available in gauge pressure (G), absolute pressure (A), and sealing gauge pressure (S) configurations.

Power Supply Options: Supports both constant current and voltage power supplies.

Isolated Structure: Suitable for use with a variety of fluid media.

Size: Features a Φ19mm standard pressure sensor size.

Material: Constructed with high-quality 316L stainless steel for durability and reliability.

Electrical Specifications

Power Supply: ≤ 3.0mA; DC ≤ 10V

Connection: 0.2mm² 4-color 100 mm silicone rubber flexible conductor

Common Mode Voltage Output: 50% of current mode input (typical value), 40% of voltage type input (typical value)

Input Impedance: 2.7K Ω ~ 5K Ω

Output Impedance: 3.0k Ω ~ 6K Ω

Response Time (10% ~ 90%): < 1ms

Insulation Resistance: 500M Ω / 100V DC

Allowable Overvoltage: 1.5 times of full scale

Mechanical Specifications

Diaphragm Material: Stainless Steel 316L
Titanium TA1(optional)

Shell Material: Stainless Steel 316L
Titanium TA1(optional)

Pressure Lead-in Tube Material: Stainless Steel 316L
Pin Lead: Gilded Kovar gold plated pins
Sealing Ring: Nitrile Rubber / Viton(optional)

Environmental Conditions

Vibration: No change observed at 10gRMS, (20-2000) Hz.
Constant Acceleration: Can withstand 100g with an 11ms duration.
Media Compatibility: Compatible with liquids or gases that are also compatible with 316L stainless steel and Nitrile Rubber / Viton(optional).

Benchmark conditions

Medium Temperature: (25 ± 3) ℃
Ambient Temperature: (25 ± 3) ℃
Humidity: (50% ± 10%) Relative Humidity
Ambient Pressure: (86-106) kPa
Power Supply: (1.5 ± 0.0015) mA DC

Wiring

Wire Colour current:
Red: Excitation Positive (+) or IN+
Blue: Excitation Negative (-) or IN-
Yellow: Output Positive (+) or OUT+
White: Output Negative (-) or OUT-

Wire Colour voltage:
Red: Excitation Positive (+) or IN+
Black: Excitation Negative (-) or IN-
Blue: Output Positive (+) or OUT+
Yellow: Output Negative (-) or OUT-

Technical Parameters

Operating pressure range	-100 kPa to 100 MPa
Zero output	±1 mV
Nonlinearity	0.2% of full scale (FS)
Hysteresis	0.05% of FS
Repeatability	0.05% of FS
Input/output impedance	2.6 kΩ to 3.8 kΩ
Zero temperature drift	±0.15% of FS at 25℃
Sensitivity temperature drift	±0.2% of FS at 25℃
Long-term stability	0.1% of FS per year
Excitation current	1.5 mA (maximum input voltage is 10 VDC)
Insulation resistance	500 MΩ (500 VDC)
Compensation temperature	0~50; -10~80℃
Operating temperature	-40~+85℃
Storage temperature	-40~+125℃
Response time	≤1 ms
Shell & diaphragm material	316L stainless steel
Measuring medium	Medium compatible with 316L, Nitrile Rubber / Viton.
Vibration (20~500 Hz)	20 G
Useful time (25℃)	>1*108 pressure circulation (80% of FS) times
Filling oil	Silicon oil / Fluorine oil/FDA

Note: The typical value of 0~10 kPa and 0~20 kPa’s zero temperature drift and sensitivity temperature drift are 0.4% of FS at 25℃, the maximum value is 1.6% of FS at 25℃.

Standard Range

Range	Overload Pressure	Full Scale Output(mV)	Typical Value(mV)	Pressure Form
0~10 kPa	300%	35~60	45	G
0~20 kPa	300%	70~110	90	G
0~35 kPa	300%	55~80	70	G/A
0~70 kPa	300%	55~80	60	G/A
0~100 kPa	300%	60~85	75	G/A
0~200 kPa	300%	65~85	75	G/A
0~400 kPa	300%	60~80	70	G/A
0~600 kPa	200%	90~120	100	G/A
0~1.6 MPa	200%	80~120	100	G/A
0~1.0 MPa	200%	125~185	150	G/A
0~2.0 MPa	200%	50~70	60	G/A
0~3.5 MPa	200%	100~120	110	G/A
0~7.0 MPa	200%	120~150	135	A
0~10 MPa	200%	180~230	200	A
0~25 MPa	150%	140~170	150	A
0~40 MPa	150%	230~280	250	A
0~60 MPa	150%	100~160	130	S
0~100 MPa	150%	100~150	120	S
Notes:
G = gauge pressure
A = absolute pressure
S = sealed gauge pressure.

Drawings

Model	Pressure Range	Type	Drawing
YURA19	-100kPa～10MPa	YURA1901 (Standard Model)
	-100kPa～10MPa	YURA1902 (Flush Without front ring)
	25MPa～100MPa	YURA1903 (High pressure seal)
	-100kPa～3.5MPa	YURA1904 (Special type)

Ordering

YURA19	Piezoresistive Silicon Pressure Sensor
	Range code	Pressure Range	Ref	Range code	Pressure Range	Ref
	A1	0…10kPa	G	A9	0…3.5MPa	G/S/A
	A2	0…35kPa	G/A	A10	0…6MPa	S
	A3	0…70kPa	G/A	A11	0…10MPa	S
	A4	0…100kPa	G/A	A12	0…25MPa	S
	A5	0…200kPa	G/A	A13	0…40MPa	S
	A6	0…400kPa	G/A	A14	0…60MPa	S
	A7	0…1.0MPa	G/A	A15	0…100MPa	S
	A8	0…2.0MPa	G/A	AXX	Custom
		Code	Pressure type
		B1	Gauge
		B2	Absolute
		B3	Sealed gauge
			Code	Type/Output
			C1	Constant Currant
			C2	Constant Voltage
			C3	I2C (Inter-Integrated Circuit)
				Code	Electric connection
				D1	100mm silicon rubber flexible wires
				D2	4pins
YURA19	A1	B1	C1	D1