Pressure Sensor

QTH

Built-in amplifier circuit（VDC,mA）
Measuring range-76OmmHg-10kgf/cm²g
0.5%FS accuracy
PDF：QTH
INQUIRY

Series QTH

Low Pressure Transducer

Feature

QTH model,the sensing element,is suitable for low pressure measurement below 10kgf/cm² by applying the piezoresistive cells.It is applied to non-corrosion gas measurement such as the air,LNG,and LPS at a low cost.

Feature

-Built-in amplifier circuit（VDC,mA）

-Measuring range-76OmmHg-10kgf/cm²g

-0.5%FS accuracy

-Piezoresistive silicon cell

-Use with non-corrosive,non-ionic medi

Applications

-Gas leak detection

-Gas monitoring

-Gas oil process control

-Vacuum system

SPECIFICATIONS

Range
	-760mmHg~0，0.1，0.5，1，2，5，7，10kgf/cm²
Performance
Accuracy	±0.5%FS
Linearity	±0.35%FS
Hysteresis	±0.15%FS
Repeatability	±0.15%FS
Thermal Effect on Zero	±0.06%FS/℃
Thermal Effect on Span	±0.06%FS/℃
Compensated Temperature Range	-10~70℃
Operating Temperature Range	-20~80℃
Electrical
Excitation	11~28VDC
Output	1~5VDC，4~20mA（2Wire）
Electrical Connection	Connector，Cable，Head，Din Connector
Physical
Proof Pressure	150%FS Max.
Burst Pressure	200%FS Min.
Vibration	49.1m/s²{5G}，10~500Hz
Shock	490m/s²{50G}
Pressure Port	PT1/8”，PF1/8”，PT1/4”，PF1/4”，PT3/8”，PF3/8”
Media - Wetted Materials	Stainless Steel 304，SiO₂，NBR
Weight	Connector type：Approx.110g（Sensor Only）

Dimension

Pin No.	Wire Color	Connections
Pin No.	Wire Color	4Wire	3Wire	2Wire
1	Red	Input ⊕	Input ⊕	Input ⊕
2	White	Output ⊝	Common ⊝	X
3	Black	Input ⊝	X	Output ⊕
4	Green	Output ⊕	Output ⊕	X
5	Shield	Ground	Ground	Ground

Pin No.	Wire Color	Connections
Pin No.	Wire Color	4Wire	3Wire	2Wire
1	Red	Input ⊕	Input ⊕	Input ⊕
2	White	Output ⊝	Common ⊝	X
3	Black	Input ⊝	X	Output ⊕
4	Green	Output ⊕	Output ⊕	X
5	Shield	Ground	Ground	Ground