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规格：
| 7011 | 7021 | 7031 | 7200 | |
| 傳感器 | 酸堿度 | 電導 | DO | 酸堿度+電導 |
| 標配校正液 | PH值4和7 | 1413 μS | None | pH 4 & 7 1413 μS |
| 浸泡液 | Yes | None | Yes | Yes |
| 電池 | 4節1.5V、連接掛繩、手提箱、使用說明書 | |||
| 可選：OPR 電極 | ||||
规格：
| 7011 | 7021 | 7031 | 7200 | |
| 傳感器 | 酸堿度 | 電導 | DO | 酸堿度+電導 |
| 標配校正液 | PH值4和7 | 1413 μS | None | pH 4 & 7 1413 μS |
| 浸泡液 | Yes | None | Yes | Yes |
| 電池 | 4節1.5V、連接掛繩、手提箱、使用說明書 | |||
| 可選：OPR 電極 | ||||
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