aii微量氧测量仪 美国aii
gpr-1200
portable ppm o2 analyzer
rechargeable battery powered
advanced sensor technology
fast recovery to < 10 ppm from exposure to air
unmatched sensor life, warranty and performance
excellent compatibility in 0-*** co2
extended operating temperature –20⁰c
sensitivity 0.5% full scale
auto ranging or fixed single
0-1 v signal output
operates in charging mode
low battery warning led