Media Summary: 00:31 How to calibrate pH (for GS1, GS2, and GS4) 02:39 How to calibrate EC/ppm (for GS3 and GS4) 03:50 How to 00:06 What's in the kit 00:12 Preparation before use 00:57 pH calibration 04:27 pH measurement 05:34 Probe cleaning 06:37 ... In short, always stir the probe in your sample for a few seconds before taking measurement.
Apera Grostar Pen Testers Quick Start Tutorial - Detailed Analysis & Overview
00:31 How to calibrate pH (for GS1, GS2, and GS4) 02:39 How to calibrate EC/ppm (for GS3 and GS4) 03:50 How to 00:06 What's in the kit 00:12 Preparation before use 00:57 pH calibration 04:27 pH measurement 05:34 Probe cleaning 06:37 ... In short, always stir the probe in your sample for a few seconds before taking measurement. 0.1 pH, 1-point auto. calibration with single-button operation 00:07 What's in the kit? 00:54 pH calibration 01:23 pH measurement ... 0.01 pH, 1 to 3 point auto. calibration with single-button operation. 00:07 What's in the kit? 01:05 pH calibration 02:34 pH ... 00:06 What's in the kit 00:12 Preparation before use 00:36 How to calibrate 01:52 How to take measurement 02:28 Unit ...
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