Pressure Sensor

QNT QNI

Built-in amplifier Circuit（VDC,mA）
Measuring range 0~400MPa
0.25%FS(QNI),0.5%FS（QNT）accuracy
PDF：QNT QNI
INQUIRY

Series QNT/QNI

General Purpose Pressure Sensor

QNT/QNI sensing element has excellent temperature properties by adopting a self temperature compensation foil strain gauge.A diaphragm and a pressure port are configured as one body for the prevention of leakage,and it has excellent durability for an instant over pressure.It builds an amplfifer therein to interface with various kinds of controllers.

Feature

-Built-in amplifier Circuit（VDC,mA）

-Measuring range 0~400MPa

-0.25%FS(QNI),0.5%FS（QNT）accuracy

-Self temperature compensation foil strain gauge

-Stainless steel media-wetted materials

Applications

-Process control

-Hydraulics & Pneumatic

-Compressor Control

-Chillers

-Refrigeration Equipment

SPECIFICATIONS

		QNT		QNI
Range
	0~1，2，3，5，10，20，30，35，50，100，250，400MPa（Gauge） -0.1~1，2，3，5，10，20，30，35，50，100，250，400MPa（Gauge）
Performance
Accuracy	±0.5%FS（RSS）		±0.25%FS（RSS）
Thermal Effect on Zero	±0.06%FS/℃		±0.03%FS/℃
Thermal Effect on Span	±0.06FS/℃		±0.03%FS/℃
Compensated Temperature Range	-10~70℃		-20~80℃
Operating Temperature Range	-20~80℃		-30~100℃
Electrical
Excitation	11~28VDC
Output	0~5VDC，1~5VDC，0~10VDC（3，4Wire） 4~20mA（2，3Wire）
Electrical Connection	Connector，Head，Din Connector
Physical
Proof Pressure	150%FS Max.（≤100MPa），120%FS Max.（＞100MPa）
Burst Pressure	200%FS Min..（≤100MPa），130%FS Min.（＞100MPa）
Vibration	49.1m/s²{5G}，10~500Hz
Shock	490m/s²{50G}
Pressure Port	R(PT)3/8”（≤100MPa）,UNF9/16”Female（＞100MPa）
Media - Wetted Materials	Stainless Steel 630
Weight	Connector type：Approx. 140g（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	Earth	Earth	Earth