Silicon Sensor LG190H0 pages
LG190H High Stable Piezoresistive Pressure Sensor
Features
•Pressure range 0~20kPa.. .35MPa
•Gauge, absolute, sealed gauge
•Constant current power supply
•Isolated construction, enable to measure various media
•<D19mm standard pressure sensor
•Full stainless steel 316L
•Wider temperature compensation -10T>—1-80°C
•Long-term stability 0.1%FS/year
Application
•Industrial process control
•level measure
•Gas, liquid pressure measure
•Pressure meter
•Pressure calibrator
•Liquid pressure system and switch
•Refrigeration equipment and air conditioner
•Aviation and navigation inspection
Introduction
LG190H High stable sensor is the piezoresistive pressure sensor with isolated construction and precise compensation. It
uses high stable silicon die, housing with outer diameter 019mm 316L stainless steel housing. Wider temperature
compensation and zero correction are calibrated by laser trimming technics. The measured pressure is transmitting
onto silicon die through 316L diaphragm and inner media, to transform the pressure to electric signal.
Electric Specification
Power supply: <2.0mADC
Electric connection: Kovar pin or 100mm silicon rubber
flexible wires
Common mode voltage output: 50% of input (typ.)
Input impedance: 3kfi~8kft
Output impedance: 3.5kn^6kn
Response (10%~90%): < 1 ms
Insulation resistor: 100MX2,100VDC
Overpressure: 1.5 times FS
Construction
Diaphragm: stainless steel316L
Housing: stainless steel 316L
Pin: Kovar
O-ring: Viton
Net weight: ~16g
Environment Condition
Position: deviate 90° from any orientation, zero change < 0.05%FS
Shock: no change at lOgRMS, (20~2000)Hz
Impact: 100g, 11ms
Media compatibility: the gas or liquid which is compatible with construction material and Viton
Basic Condition
Media temperature: (25±1) °C
Environment temperature: (25±1) °C
Shock: O.lg (lm/s/s) Max
Humidity: (50%±10%) RH
Local air pressure: (86~ 106) kPa
Power supply: (1. 5+0. 0015) mADC
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