产 地：美国
品 牌：AII

产品简介：
Features an innovative galvanic oxygen purity sensor capable of precisely measuring oxygen concentrations ranging from 0%-100% continuously over a 24 month operating life with no periodic maintenance required, menu driven controls, and, two (2) field selectable alarm set points.

技术参数：
Accuracy: < 2% of FS range under constant conditions
Analysis: 0-100% FS range; auto or fixed ranging
Application: Continuous monitoring of high purity oxygen levels up to
100% O2 
Area Classification: General purpose
Alarms: Two user configurable alarms: magnetic coil relays rated 3A
at 100 VAC, field programmable alarm time delays, alarm
bypass for calibration and system fail alarm
Calibration: Air or certified span gas of O2 balance N2 approximating 80%
of range above analysis range recommended 
Compensation: Barometric pressure and temperature
Connections: 1/8" compression tube fittings
Controls: Water resistant keypad; menu driven range selection, calibra-
tion and system functions
Display: Graphical LCD 2.75” x 1.375”; resolution 0.01 PPM; displays
real time ambient temperature and pressure
Enclosure: Fiberglass NEMA 4X, 14”x10”x5", 8 lbs.
Flow Sensitivity: None between 0.5-5 SCFH, 1-2 SCFH recommended
Linearity: ±1% of full scale
Pressure: Inlet - regulate to 5-30 psig to deliver 1-2 SCFH flow to 
transmitter; vent - atmospheric
Power: 12-24 VDC non-loop power
Response Time: 90% of final reading in 10 seconds
Sample System: None
Sensitivity: < 0.5% of FS range
Sensor Model: GPR-11-120-4
Sensor Life: 24 months in 100% oxygen at 25ºC and 1 atm.
Signal Output: 4-20mA 
Operating Range: Recommended –20 ºC to 45ºC 
Warranty: 12 months analyzer; 12 months sensor
Wetted Parts: Stainless steel