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石英晶體振蕩技術(shù)，帶自動(dòng)校準(zhǔn)的高精度、快速響應(yīng)的實(shí)驗(yàn)室分析儀，用于高純工業(yè)氣體的微水測(cè)量（ppbv和ppmv).

詳情介紹：

Product Features

High accuracy: 5% in the range 0.5 to 500 ppmV
Wide operating range: 0.1 to 2000 ppmV
Extremely fast: less than 2 minutes for 63% response to a step change in either direction
Advanced Quartz Crystal Microbalance technology for drift-free measurements with low sensitivity to contamination
Automatic calibration for measurement confidence
Ease of use with intuitive touch-screen display

Simple maintenance for low cost of ownership

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

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