Series QNTB/QNIB
General Purpose Pressure Sensor
QNTB/QNIB sensing element has excellent temperature properties by adopting a self temperature compensation gauge.A diaphragm and a pressure port are configured as one body for the prevention of leakage.It has superior durability for an instant over pressure.
Feature
-Self temperature compensation foil strain gauge
-Measuring range 0~400MPa
-mVDC Output
-0.25%FS(ONIB),0.5%FS(QNTB)accuracy
-Stainless steel media-wetted materials
Applications
-Process control
-Hydraulics & Pneumatic
-Compressor Control
-Chillers
-Refrigeration Equipment
SPECIFICATIONS
QNTB | QNIB | |||
Range | ||||
0~1,2,3,5,10,20,30,35,50,100,250,400MPa(Gauge) -0.1~0,1,2,3,5,10,20,30,35,50,100,250,400MPa(Gauge) | ||||
Performance | ||||
Accuracy | ±0.5%FS(RSS) | ±0.25%FS(RSS) | ||
Thermal Effect on Zero | ±0.05%FS/℃ | ±0.02%FS/℃ | ||
Thermal Effect on Span | ±0.05%FS/℃ | ±0.02FS/℃ | ||
Compensated Temperature Range | -10~70℃ | -20~80℃ | ||
Operating Temperature Range | -20~80℃ | -30~100℃(Optional -30~120℃) | ||
Electrical | ||||
Excitation | 12VDC Max. | |||
Sensitivity | 1.5mV/V(1.0mV/V:1MPa,400MPa) | |||
Input Impedance | 350Ω(nominal) | 380Ω(nominal) | ||
Output Impedance | 350Ω(nominal) | |||
Insulation Resistance | 5MΩ @50VDC Min. | |||
Electrical Connection | Connector,Cable | |||
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 | 981m/s2{100G} | |||
Pressure Port | R(PT)3/8”(≤100MPa),UNF9/16”Female(>100MPa) | |||
Media - Wetted Materials | Stainless Steel 630 | |||
Weight | Approx. 100g(Sensor Only) | |||
Dimension
Internal Circuit Diagrams
External Connections
Connector Pin No. | Wire Color | Connections |
1 | Red | Input ⊕ |
2 | White | Output ⊝ |
3 | Black | Input ⊝ |
4 | Green | Output ⊕ |
5 | Shield | Earth |
Ordering Information
* Specifications are subiect to change without notice
WZO CONTROLS LTD