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| 型號 | PP-15-P11 | PP-20-P11 | PP-25-P11 | PP-50-P11 | |||
| PH測量范圍 | -2.000~+20.000 | -2.000~+20.000 | -2.000~+20.000 | -2.000~+20.000 | |||
| PH分辨率 | +0.001 | +0.001 | +0.001 | +0.001 | |||
| PH精度 | +0.002 | +0.002 | +0.002 | +0.002 | |||
| MV測量范圍（mv) | +1800.0 | +1800.0 | +1800.0 | +1800.0 | |||
| MV分辨率(mv) | +0.1 | +0.1 | +0.1 | +0.1 | |||
| MV精度（mv) | +0.1 | +0.1 | +0.1 | +0.1 | |||
| 校準點(max) | 5 | 5 | 5 | 5 | |||
| 自動識別緩沖液 | 27 | 27 | 27 | 27 | |||
| FET電極接頭 | ○ | ○ | ○ | ○ | |||
| 溫度范圍(℃) | -5.0~105.0 | -5.0~105.0 | -5.0~105.0 | -5.0~105.0 | |||
| 分辯率(℃) | +0.1 | +0.1 | +0.1 | +0.1 | |||
| 精度(℃) | +0.2 | +0.2 | +0.2 | +0.2 | |||
| 離子選擇測量 | | | ○ | ○ | |||
| 校準點(max) | | | 7 | 7 | |||
| 直接電位和增量方式(標準加/減,分析加/減) | | | ○ | ○ | |||
| 電導率測量 | | ○ | | ○ | |||
| 校準點(max) | | 5 | | 5 | |||
| 電導率、阻抗、鹽度、TDS、NaCL鹽度 | | ○ | | ○ | |||
| 溫度顯示 | ○ | ○ | ○ | ○ | |||
| 人工輸入溫度 | ○ | ○ | ○ | ○ | |||
| 自動溫度補償 | ○ | ○ | ○ | ○ | |||
| 輸入電極數量 | 2 | 3 | 3 | 4 | |||
| 可選擇測量結果參數 | ○ | ○ | ○ | ○ | |||
| 同時顯示幾種測量結果 | ○ | ○ | ○ | ○ | |||
| 日期/時間標記，記憶存儲 | ○ | ○ | ○ | ○ | |||
| 校準提示 | ○ | ○ | ○ | ○ | |||
| 記錄符合GLP | ○ | ○ | ○ | ○ | |||
| 超大圖形顯示屏 | ○ | ○ | ○ | ○ | |||
| RS-232雙向接口 | ○ | ○ | ○ | ○ | |||
| 接通電源，自動檢查 | ○ | ○ | ○ | ○ | |||
