PH值测试纸

优点: ·         方便的外壳设计，带有可更换的探头 ·         可同步显示pH数值以及温度 ·         所有测量功能可使用单手操作 数字式 pH测定仪，可同时测定水性液体的pH数值及其温度。pH值的测定，通过确定酸性、中性和碱性液体之间的电位差的方式实现。具有坚固耐用的防水外壳，带永久性背景光的大型LCD显示屏，便于操作。包括校准液、电池和说明书。 更多

优点: ·         方便的设计、牢固的结构 ·         快速精确的测量 ·         大型3.5位LCD显示 数字式pH测定仪，用来测定水性液体的pH值，通过使用浸没探头的尖端确定酸性、中性和碱性液体之间的电位差的方式实现。本设备具有牢固的外壳、紧凑的规格尺寸，易于操作。具有大型LCD显示屏，带连续的背景光，2个可调节的电位计，使用匹配的螺丝刀可校准到pH = 4或pH = 7。包含校准溶液、螺丝刀、电池以及使用手册。 更多

For fast pH - value determination . The indicator area on the plastic stick will not fade out (will not bleed). Well distinguishable scaling. Package with 100 sticks. Description in English and German. 更多

The pH electrode 031 is a gel-filled Ag-AgCl combination-electrode in a plastic tube. It has a coax cable with a BNC connector. It is supplied in a bottle filled with a protective solution. The electrode cannot be refilled. 更多

For fast pH - value determination . The indicator area on the plastic stick will not fade out (will not bleed). Well distinguishable scaling. Package with 100 sticks. Description in English and German. 更多

For fast pH - value determination . The indicator area on the plastic stick will not fade out (will not bleed). Well distinguishable scaling. Package with 100 sticks. Description in English and German. 更多

For fast pH - value determination . The indicator area on the plastic stick will not fade out (will not bleed). Well distinguishable scaling. Package with 100 sticks. Description in English and German. 更多

For fast pH - value determination . The indicator area on the plastic stick will not fade out (will not bleed). Well distinguishable scaling. Package with 100 sticks. Description in English and German. 更多

For fast pH - value determination . The indicator area on the plastic stick will not fade out (will not bleed). Well distinguishable scaling. Package with 100 sticks. Description in English and German. 更多

Separate test kits for chemical analysis of water samples without the need for extra apparatus or previous chemical knowledge. The VISOCOLOR ® card color templates are keyed to the original colors of freshly prepared standard solutions ... 更多

Separate test kits for chemical analysis of water samples without the need for extra apparatus or previous chemical knowledge. The VISOCOLOR ® card color templates are keyed to the original colors of freshly prepared standard solutions ... 更多

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