产品简介
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).
详情介绍
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
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 |
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