QMA2030 过程水分分析仪

石英晶体振荡技术,带自动校准的高精度、快速响应的实验室分析仪,用于高纯工业气体的微水测量(ppbv和ppmv).
过程水分分析仪 产品详情
product featureshigh accuracy: 5% in the range 0.5 to 500 ppmvwide operating range: 0.1 to 2000 ppmvextremely fast: less than 2 minutes for 63% response to a step change in either directionadvanced quartz crystal microbalance technology for drift-free measurements with low sensitivity to contaminationautomatic calibration for measurement confidenceease of use with intuitive touch-screen displaysimple maintenance for low cost of ownership technical specification
performance
measurement technology quartz crystal microbalance
range 0.1 to 2000ppmv. calibrated range 0.5 to 500ppmv with trend indication above and below calibration
range
accuracy ±5% for 0.5 to 500 ppmv or 0.1 ppmv whichever is greater
repeatability ±5% of the reading from 0.5 to 1000ppmv
sensitivity 0.1ppmv or 1% of the reading, whichever is the greater
response time <2 minutes for 63% response to a step change in either direction
<5 minutes for 95% response to a step change in either direction
automatic calibration internal moisture generator source calibrated traceable to npl and nist
electrical output/input
analog output 4–20ma for moisture (max load 500ω) user-configurable range
analog output resolution 16 bit
supply voltage 110v (90 to 115) or 240v (220 to 245) switch selectable, 50-60hz
alarms 3 alarms: volt free contact, rating 3a@250 vac
operating conditions
inlet pressure 1 barg (adjusted to achieve the correct exhaust flow, up to 200 barg with optional pressure regulator)
outlet pressure atmospheric
sample flow requirement 300ml/min
sample gas temperature 0°c to 100°c / 32°f to 212°f
operating environment 15°c to 40°c / 59°f to 104°f , 90%rh max
mechanical specification
display 8.4 inch lcd touch-screen
dimensions (wxhxd) 470mm x 214mm x 400mm – allow extra 200mm for clearance at back (w x h x d)
18.5 inches x 8.4 inches x 15.7 inches – allow extra 7.5 inches for clearance at back (w x h x d)
net weight 15kg / 33lbs