REED SD 230 pH/ORP Meter Instruction Manual

Below you will find brief information for pH/ORP Meter SD 230. This meter offers pH and ORP (oxidation-reduction potential) measurements as well as data logging capabilities. It features a built-in clock and calendar, and its sampling time can be set from 1 second to 3600 seconds. The meter can be used with any pH electrode with a BNC connector and comes with a convenient SD memory card slot for data storage.

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REED SD 230 pH/ORP Meter Instruction Manual | Manualzz

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Key features

  • Three Point Calibration
  • Real time SD memory card datalogger
  • Sampling time set from 1 second to 3600 seconds
  • Data Hold
  • Data Record (Max., Min. reading)
  • Easy to read LCD with backlight
  • Auto power off or manual power off
  • High accuracy microcomputer circuit
  • USB/RS232 Computer interface

Frequently asked questions

Connect the pH electrode to the meter and adjust the temperature compensation value. Immerse the electrode in a pH 7.00 buffer solution and press and hold the REC and HOLD buttons until the screen displays "PH" and "CAL". Use the Up and Down buttons to select "7.00" and press Enter to start calibration. Repeat the process with a pH 4.00 or pH 10.00 buffer solution, if needed.

Insert an SD card into the meter and format it if it's the first time using it. Set the desired sampling time and toggle the beeper sound on or off in the Advanced Settings. Press the REC button to start datalogging and the "REC" symbol will appear on the screen. Press the Logger button to pause or resume datalogging. To stop datalogging, press the REC button for 2 seconds.

Remove the SD card from the meter and insert it into your computer's SD card slot. Open Microsoft Excel and drag-and-drop the downloaded Excel files from the SD card folder onto your computer. Open the files with Excel to view the data.
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