YURA40 Differential pressure sensor

Piezoresistive Silicon Pressure Sensor

Application: Differential pressure detection Flow meter, Pressure detection calibration, Gas and liquid pressure measurement

Measuring range: -0kPa～10kPa…3.5MPa
Process temperature: -40~125℃
Material: SS 316L
Size: ⌀19mm Standard
Imported highly reliable pressure
Sensing die

Product

YURA40 OEM Differential 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.

Features

Measuring range 0kPa～10kPa…3.5MPa, offering versatile pressure measurement capabilities.

Pressure Diaphragm isolation type, suitable for a variety of fluid media

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

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

Static pressure 10MPa

1.5 times full-scale overvoltage

Material constructed with high-quality 316L stainless steel for durability and reliability. all stainless-steel construction makes it suitable for the harshest industrial environments

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	-100kPa~0~35kPa…7MPa
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	full range Output (mV)	pressure form
0～10kPa	(30~120) ±20	D
0～35kPa	(40-120) ±20	D
0～70kPa	(20~140) ±20	D
0～100kPa	(50-145) ±20	D
0～200kPa	(30~125) ±20	D
0～400kPa	(40~150) ±20	D
0～1.0MPa	(55~145) ±20	D
0～2.0MPa	(50-160) ±20	D
0～3.5MPa	(60-150) ±20	D

Drawings

Model	Pressure Range	Type	Drawing
YURA40	0kPa～10kPa…3.5MPa	YURA4001 (-40℃～+85℃)

Ordering

YURA40	Differential Piezoresistive Silicon Pressure Sensor
	Range code	Pressure Range
	A1	0…10kPa
	A2	0…35kPa
	A3	0…70kPa
	A4	0…100kPa
	A5	0…200kPa
	A6	0…400kPa
	A7	0…1.0MPa
	A8	0…2.0MPa
	A9	0…3.5MPa
	AX	Special range
		Code	Type/Output
		B1	Constant Current
		B2	Constant Voltage
		B3	I2C (Inter-Integrated Circuit)
			Code	Electric connection
			C1	100mm silicon rubber flexible wires
			C2	4pins
YURA40	A1	B1	C1

YURA40 Differential pressure sensor