HUNAN CHNTEK SENSOR TECHNOLOGY CO.,LTD.: Changsha, Hunan, China; Main products: metal sputtering thin film pressure sensitive element, pressure sensor, Fire hydrant pressure monitoring terminal

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Home > Products > pressure sensor > CHNTEK QTB351-HT High-temperature Resistant Sputtering Thin Film Pressure Sensitive Element

CHNTEK QTB351-HT High-temperature Resistant Sputtering Thin Film Pressure Sensitive Element

FOB Price

USD $150 - $180 / Piece

1 Piece(Min. Order)

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Delivery Detail15 days

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Product Details

Brand Name	CHNTEK		Place of Origin	China
Model Number	QTB351-HT

Product Description

The strain resistances are sputtered directly on the 17-4ph stainless steel substrate by using MEMS (micro-mechanical and micro-electronic) technology. The stress on the substrate produces elastic deformation and outputs a millivolt-level signal which is linearly related to the measured pressure.

QTB351-HT has the characteristics of high temperature over 200℃, large range, wide operating temperature, low temperature drift and impact resistance,and suitable for high temperature and high pressure environment such as oil drilling, oil logging, oil well testing, aerospace engine, chariot engine, shipping industry, hydraulic system, testing machine and so on..

l Circuit principle and pin definition

Pin No.

Function code

V-

S+

V+

S-

Function definition

Negative power supply

Positive

output

Positive

power supply

Negative output

Temperature Sensitive Signal

Note: Temperature sensitive resistor is optional

l Product parameters

measured media	Gas and liquid compatible with stainless steel
measuring range	6MPa、10MPa、16MPa、20MPa、25MPa、40MPa、60MPa、100MPa、160MPar、180MPa、250MPa (customizable)
accuracy	±0.1%FS,±0.2%FS,±0.5%FS	Insulation resistance	≥1000MΩ/500V AC
nonlinearity	0.1%FS, 0.2%FS	breakdown pressure	500%FS(Max. 400MPa)
hysteresis	0.1%FS	Permission overload	150%FS~300%FS
repeatability	≦0.1%FS	mechanical vibration	20g（20～5000HZ)
sensitivity	1.6～2.4mV/V	response time	≤0.1ms
long-term stability	≤±0.1%FS/year	material	17-4PH
operating temperature	-75～+200℃	reliability	Resistant to 1 million shocks
Zero temperature drift	±0.05%FS/℃	Overall dimensions	Outside diameter of strain surface : 7mm, Outside diameter of the step : 9.5mm, height : 5mm
full scale temperature drift	±0.05%FS/℃	identifiability	Unique ID code, which can be used to query the manufacturing, testing and calibration information of the chip.

l Product Selection

Accuracy Level

code

Accuracy level

（FS%）

2.0

1.0

0.5

0.2

0.1

0.05

0.02

0.01

Temprature Level

Code (The first digit)	temperature upper limit(℃)	Code (The second digit)	temperature lower limit(℃)
1	0	1	+85
2	-10	2	+105
3	-25	3	+125
4	-40	4	+150
5	-55	5	+175
6	-75	6	+200

Measuring range representation: three digits, the third digit represents the number of zeros after the first two digits, and the unit is Pa

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HUNAN CHNTEK SENSOR TECHNOLOGY CO.,LTD.: Contact nameFAN
Chat Now; Phone86-731-85128155; AddressLiuyan, Changsha, Hunan

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CHNTEK QTB351-HT High-temperature Resistant Sputtering Thin Film Pressure Sensitive Element

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