burkert 8202pH或氧化還原電位傳送器:Bürkert 生產(chǎn)的 8202 型設(shè)備是一款緊湊型的模塊化測量儀,用于測量 pH 值或氧化還原電位 (ORP):- pH 值:在干凈、臟污或含有硫化物或蛋白質(zhì)的液體中。- 氧化還原電位 (ORP):在干凈、臟污或含有硫化物或蛋白質(zhì)的液體,以及電導(dǎo)率低的液體中。該設(shè)備包含一個 pH 探頭或氧化還原探頭,它擰在一個集成有 Pt1000 的傳感器組件中。該結(jié)構(gòu)件內(nèi)置在外殼中,用一枚鎖緊螺母固定。外殼配有蓋子,它將電子模塊(包括可拆卸式操作單元)包裹起來。Bürkert 通過這種設(shè)計簡化了安裝和維護(hù)工作。顯示器只有在調(diào)試、配置、校準(zhǔn)或顯示過程值時才會用到。8202 型設(shè)備有以下規(guī)格可供選擇:- 配備三個可編程的輸出端:兩個晶體管輸出端和一個兩線制 4 ~ 20 mA 電流輸出端- 配備四個可編程的輸出端:兩個晶體管輸出端和兩個三線制 4 ~ 20 mA 電流輸出端。 8202 型設(shè)備轉(zhuǎn)換測量信號、顯示不同測量單元中的各個測量值(插入顯示器時)并計算輸出信號,計算出的輸出信號通過一個或兩個 M12 插頭連接進(jìn)行傳輸。
- 集成式緊湊型測量儀,直接連接在控制層面上 (PLC)
- 通過模塊化的 HMI,對參數(shù)數(shù)據(jù)進(jìn)行參數(shù)化設(shè)置、校準(zhǔn)以及傳輸
- 使用 120 mm 的標(biāo)準(zhǔn)型 PG13.5 ph 值/氧化還原探頭,帶 S8 接口。(*使用 8203 型設(shè)備)
- 模擬過程值和診斷功能
- 診斷功能
- Technical data (Pipe + transmitter) Pipe diameter DN25...DN110 (DN<25 with reduction) pH measurement Measuring range Measurement deviation* 0...14 pH ±0.05 pH ORP measurement Measuring range Measurement deviation* -2000...+2000 mV ? 0.2% of the full scale Temperature measurement Measuring range Measurement deviation* -20...+130°C (-4...266°F) ± 1°C (1.8°F) Temperature compensation automatic (integrated Pt1000) - reference temperature 25°C (77°F) Medium temperature** With PVC nut connection With PVDF nut connection (on request) 0...+50°C (+32...+122°F) restricted by the used probe -20...+130°C (-4...+266°F) restricted by the used adaptor or probe restriction with adaptor S022 in: - PVC: 0...+50°C (+32...+122°F) - PP: 0...+80°C (+32...+176°F) - Metal: -20...+130°C (-4...+266°F) Fluid pressure max PN16 (232 PSI) (see pressure / temperature** chart - depends on selected probe) 4...20 mA output uncertainty ±1% of the full scale * (“measurement bias” as defined in the standard JCGM 200:2012) ** If the specific temperature limits for the probe used and the temperature limits given in the above technical data chart are different, please use the more restrictive range (see separate data sheet) Environment Ambient temperature -10...+60°C (+14...+140°F) (operating and storage without probe) Relative humidity ? 85%, without condensation
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