China Chntek Factory Manufacturing in Stock Thin Film Pressure-Sensitive Elements 1.6-4 M PA Merchandise

• Customization: Available
• Type: Piezoresistive Pressure Sensor
• Component: Mechanical Structure Type
• Model NO.: QTB351
• For: Strain Gauge Pressure Transmitter
• Output Signal Type: Analog Type
• Production Process: Integration
• Material: Stainless Steel
• Thread Type: ZG
• Wiring Type: Four-Wire
• Measuring Medium: Gas
• IP Rating: IP56
• Certification: RoHS
• Customized: Customized
• Output: Mv
• Pressure Range: 1.6MPa~4MPa
• Single Gross Weight: 0.850kg
• material: 17-4pH Stainless Steel
• Accuracy: 0.5%Fs
• Power Supply: 2-10VDC
• Place of Origin: Hunan China
• Customized Support: OEM,ODM
• Sensitivity: 1.30.10mv/1.40.1mv/V1.50.20mv/,1.70.20mv
• Overload: 200%F.S/300%F.S
• Long-Term Stabilty: 0.2%F.S/Year
• Warranty: 1years
• Work Temperature: -40~+105c or by Customized
• Single Package Size: 38X22X5cm
• Trademark: CHNTEK
• Origin: Hunan, China

Product Description

Product Description

• Product performance description

The QTB351 Pressure Sensitive Element is a high stability pressure measuring element with stainless steel structure. It is made of

17-4PH stainless steel and has a maximum diameter of Φ9.5. Using CVD and PVD technology, the sensitive element is generated directly on the stainless steel elastomer, enabling highly accurate measurement of pressure. The measured pressure is transferred to the pressure sensitive chip through the elastomer, realizing the conversion of pressure to electrical signal.

Details Images

QTB351 products have undergone a rigorous quality inspection process on our automated production line, and have been repeatedly tested, with stable and reliable performance. The product can be widely used in a variety of high-demand pressure measurement occasions.

 

 

Range from 0-0.5MPa to 0-250MPa (0-5Bar to 0-2500Bar)
Gauge pressure and absolute pressure available
Constant-current and constant-voltage power supply optional
Full 17-4PH stainless steel structure
Long-term stability (1 year) of ±0.2%FS

Elastomer material: 17-4PH stainless steel
Welding pad material: Nickel or gold
Net weight: About 2g

Response time: 1ms
Insulation resistance: 500MΩ (DC 500V)
Overload pressure: 200%FS /300%FS or ≤400MPa (take the minimum)

Power supply: ≤ 2.0mA DC (constant current), ≤ 10V DC (constant voltage)
Electrical connection: gold wire ball bonding, aluminum wire wedge bonding or soldering iron welding.
Input impedance: 2.5K-5K
Output impedance: 4.5±0.5K
 

Product Usage

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  • Product usage introduction

   

Electrical connection: gold wire ball bonding, aluminum wire wedge bonding or soldering iron welding.

Pressure connection: laser welding recommended

 

Specifications

 

Items	MIN.	Typ.	MAX.	Units
Nonlinearity		±0.15	±0.25	%FS
Repeatability		±0.1	±0.2	%FS
Hysteresis		±0.1	±0.2	%FS
Zero output			±3	mV DC
Full scale output with constant voltage	1.3~2.2			mV/V
Zero temp. drift		±0.01%		FS/ºC
Full scale temp. drift		±0.02%		FS/ºC
Working temp. range	-40~125			ºC
Storage temp. range	-40~125			ºC
Long-term stability		±0.1	±0.2	%FS

Models	QTB351 or QTB352 or SFA351 (without step)
Measuring range(MPa)	0.5MPa~250MPa
Measuring medium	Gases, liquids compatible with stainless steel
Pressure type	Gauge pressure, absolute pressure
Accuracy	±0.03%F.S,±0.05%F.S,±0.1%F.S,±0.2%F.S,±0.5%F.S,±1%F.S
Working temp.	-40~+105ºC or by customized
Long-term stability	±0.2%F.S/year
Non-linearity	±0.1%F.S,±0.15%F.S,±0.2%F.S,±0.3%F.S,±0.4%F.S,±0.5%F.S,±0.6%F.S
Hysteresis	±0.1%FS
Repeatability	0.1%FS
Sensitivity	1.3±0.10mV/V,1.4±0.2mV/V,1.5±0.10mV/V,1.7±0.20mV/V
Burst pressure	1000%~4000%F.S (the max is ≤400MPa)
Allowable overload	200%~300%F.S or by customized
Zero point temp. drift	±0.01%F.S/ºC
Full range temp. drift	±0.03%F.S/ºC
Response time	≤0.1ms
High reliability	Resistant to 10 million shocks, can be continuously pressurized
Insulation resistance	≥1000MΩ/500VAC
Material	2.7411
Dimensions	Top Part Diameter	Φ7mm
	Outer Ring Diameter	Φ9.5mm
	Base Diameter	Φ7mm
	Height	5mm
Weight	1g

Company Introduction

Hunan Chntek Sensor Technology Co., Ltd. is a special semi-conductor company in Hunan, China. It is near the Changsha Huanghua International Airport, and focuses on the metal-based sputtering thin film pressure-sensitive elements and related pressure sensors.Its manufactory has 100 class cleaning factory buildings of 6000 square meters, in which there is a production line of pressure-sensitive elements and a fully automatic packaging line of the pressure sensors.
Its products have many advantages such as high stability, high reliability, small size, high accuracy, fast response time, small temperature drift, etc., and have obtained the CE and RoHS certifications. The elements adopt the stainless steel as the substrate, so they have the excellent flexibility and toughness, can overload 2-3 times and work stably a long time and are suitable for the almost all kinds of environments,Thus, the sensors are suitable for the construction machinery, the various engines, the pipeline network monitoring and the industrial controlling.
With the professional technical support team, the efficient sales team and the competitive price, it has been the first supplier for many famous manufacturers in China.

Our Services & Strength

We have seventeen-year's experience in production and R&D, and ownes 50+ patents. It can customize the production for the pressure-sensitive elements and accept the patterns of OEM and ODM. It can provide a large production capacity at least 10,000pressure-sensitive elements and 5,000 pressure sensors per day.

Certifications