Each WQSensor ships assembled, tested, and calibrated to factory specifications. To get started, insert the WQSensors software CD included with the sensor into a computer and follow the wizard to download and install the software. Note that the WQSensors software is compatible with Windows XP 32-bit, Windows Vista 32-bit and Windows 7 32-bit.

Preparing for Measurements

  1. WQ-ORP sensors are shipped with the ORP bulb kept moist. Prior to using a WQ-ORP sensor for the first time, follow these three steps to condition the electrode:
  2. Remove the electrode from the protective storage container.  Rinse the electrode tip with distilled or deionized water. (Note: Keep the protective cap or boot for use later during storage).
  3. Shake the electrode down (like a thermometer) to eliminate any air bubbles inside the electrode.
  4. Place the electrode tip in a beaker containing 4.0 pH buffer or 4.0 M KCl. Soak for 20 minutes.
  5. After conditioning the electrode for 20 minutes, rinse the electrode with distilled or deionized water. The electrode is now ready for calibration and to measure ORP.

Note:  When handling ORP electrodes, rinse the electrodes with distilled water before and after measuring a sample. Blot the end of the electrode with a lint-free cloth to remove excess water. Never wipe the electrode to remove excess water. Wiping can create static charges that interfere with correct measurements.

 

ORP sensor

Figure 1: WQ-ORP Oxidation Reduction Potential Smart USB Sensor

 

 

REV: 13H21

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