產品簡介
VisiPro DO 120根有防爆認證的光學溶解氧氧電極,是的能夠用于防爆區域的光學溶解氧電極。
詳情介紹
VisiPro DO 120
產品介紹
貨號:243420 根有防爆認證的光學溶解氧氧電極 VisiPro DO 120是的能夠用于防爆區域的光學溶解氧電極。 光學測量原理改善了測量的性能,簡化了維護的程序。改善性能是相對于傳統的電化學(電流法)電極,不受流速的影響,快速啟動無需極化時間,維護十分簡單。 內置變送器,電極可以直接和過程控制系統通過4~20毫安信號或者數字信號HART相連接。所有相關的數據,包括校準信息,診斷信息等都儲存在電極頭中簡化了校準和維護的程序,附加的無線通訊功能可以使電極直接和你的電腦相連接,簡化了實驗室校準、設置和維護程序。 為什么選擇VisiPro DO Ex? - ATEX/IECEx認證證書
- 穩定可靠的光學測量
- 2線制接線方式簡單
- 使用HDM軟件進行實驗室校準
- 內置變送器,能夠和控制系統通過4~20毫安信號和數字HART信號進行通訊
簡化了校準和維護程序: - 堅固的電極體設計
- 容易更換的溶氧帽
- 無線模式易于進行監測、設置和校準
- 電極狀態和自診斷功能
Specifications| Measurement Principle | Oxygen dependent luminescence quenching | | Measuring Range | 4 ppb to 25 ppm (DO) or 0.1 to 600 mbar (pO2) | | Oxygen Consumption | None | | Required Flow | None | | Response Time t98% | < 30 s at 25 °C, from air to nitrogen | | Temperature Sensor | NTC 22 kOhm | | Drift at Room Temp. under Constant Conditions | < 1 % per week | | Configurable Values | DO: mbar; %-sat; %-vol; µg/l; mg/l; ppb/ppm (gas); ppb/ppm (dissolved oxygen); Temperature: °C | | Autoclavable | No | | CIP | Yes | | Steam Sterilizable | Yes, max. temperature 140°C | | Process Temperature | -20 to 140 °C; the Sensor provides no DO reading above 85 °C | | Pressure Range | 0 to 12 bar | | O-ring Material | EPDM (FDA approved) | | Surface Quality of Steel | Ra < 0.4 µm (N5) | | Protection Rating | IP 68 | | Certificate | Yes, with parameter settings and materials used | | Serial Number | Yes | | a-length | 120 mm | | Diameter | 12 mm | | Process Connection | PG13,5 | | Electrical Connector | M12 | | Analog Interface 1 | 4-20 mA for DO, programmable | | 4 - 20 mA accuracy | < 0.3% current value + 0.05 mA | | 4 - 20 mA current range | 3.5 to 22 mA | | Operating Voltage | 18 to 30 VDC | | Wetted Parts | Stainless steel 1.4435, Silicone (FDA approved), EPDM | | Electrolyte | None | | Membrane / Cap | Only compatible with H cap; Cap needs to be ordered separay | | Digital HART Interface | HART Version 7.0 | | Digital HART Interface | HART Version 7.0 | | Accuracy at 25 °C | 1 ± 0.05%-vol: 21± 0.2%-vol; 50 ± 0.5%-vol | | Analog Interface | Two wire sink needs to be powered by external power supply |
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