METER GROUP Apogee SO-411 Manual
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METER GROUP Apogee SO-411 Manual

Soil response thermistor reference oxygen sensor
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APOGEE
OXYGEN SENSOR

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Summary of Contents for METER GROUP Apogee SO-411

  • Page 1 APOGEE OXYGEN SENSOR...

  • Page 2: Table Of Contents

    18476-02 9.28.2021 TABLE OF CONTENTS 1. Introduction ....................2 2. Installation ....................2 2.1 Connect to METER ZENTRA Series Logger ..........3 2.2 Sensor Calibration ..................4 2.3 Heater Power Supply ................. 7 3. Data Interpretation ................7 4. Troubleshooting ..................
  • Page 3 ap gee Made in...

  • Page 4: Introduction

    Apogee SO-411 sensors purchased from METER come preconfigured by METER to work seamlessly with METER ZENTRA series data loggers. The information in this document explains how to integrate Apogee SO-411 sensors into the ZENTRA system and attach an auxiliary power supply for the internal heaters. Details of how the ZENTRA system handles the data are also included.

  • Page 5: Connect To Meter Zentra Series Logger

    (Section 2.3). 2.1 CONNECT TO METER ZENTRA SERIES LOGGER Apogee SO-411 sensors are preconfigured by METER and work seamlessly with METER ZENTRA series data loggers. The sensors come with a 3.5-mm stereo plug connector (Figure 1) to facilitate easy connection with the data loggers. Apogee sensors come standard with a 5-m cable that splits into separate leads for the data logger and the heater power supply.

  • Page 6: Sensor Calibration

    USING APOGEE OXYGEN SENSORS WITH ZENTRA SYSTEM Check the METER download webpage for the most recent data logger firmware. Logger configuration may be done using either ZENTRA Utility (desktop and mobile application) or ZENTRA Cloud (web-based application for cell-enabled ZENTRA data loggers). Plug the stereo plug connector into one of the sensor ports on the logger (Figure 2).
  • Page 7 INSTALLATION CALIBRATION WITH ZSC AND ZENTRA UTILITY MOBILE Connect the Apogee oxygen sensor cable to the ZSC device sensor port. Open ZENTRA Utility Mobile on an iOS or Android device. ® Connect to the ZSC Bluetooth device. Check that SO-411 data is communicating correctly with the ZSC (an inaccurate oxygen concentration and a temperature should appear).
  • Page 8 USING APOGEE OXYGEN SENSORS WITH ZENTRA SYSTEM In the command box, type ?XAMBR! Select Send. 10. Select Scan and ensure that the oxygen concentration now reads very close to 20.95%. CALIBRATION WITH ZL6 AND ZENTRA UTILITY MOBILE Connect the Apogee oxygen sensor cable to an available port on the ZL6. Press the TEST button on the ZL6 to advertise Bluetooth.

  • Page 9: Heater Power Supply

    DATA INTERPRETATION 2.3 HEATER POWER SUPPLY Apogee oxygen sensors are equipped with an internal resistance heater. The heater is designed to maintain the temperature of the sensing element at approximately 2 °C above ambient temperature in condensing (100% relative humidity) environments (e.g., soil). Heating the sensing element keeps condensation from forming on the membrane, which would block the oxygen diffusion path and result in artificially low oxygen measurements for an extended period of time.

  • Page 10: Customer Support

    USING APOGEE OXYGEN SENSORS WITH ZENTRA SYSTEM Table 2 Troubleshooting (continued) Problem Possible Solution Sensor values are not reasonable Sensor has not been calibrated. See Section 2.2. Condensation on the filter membrane is preventing oxygen diffusion to the sensing element. See Section 2.3.
  • Page 11 CUSTOMER SUPPORT If contacting METER by email, please include the following information: Name Email address Address Instrument serial number Phone Description of the problem NOTE: For products purchased through a distributor, please contact the distributor directly for assistance.

  • Page 12: Index

    INDEX INDEX cables 3 calibration 2, 4–6, 8 connecting 3–4 customer support 8–9 data 7 data logger. See  ZENTRA series data loggers installation 2–3 above-ground 3 buried 3 preparation 2 tools needed 2 internal heater 2, 3, 7 oxygen concentration 2, 4 oxygen sensor 2 stereo plug connector 3 troubleshooting 7...
  • Page 13 18477-01 9.10.2021 METER Group, Inc. USA 2365 NE Hopkins Court Pullman, WA 99163 T: +1.509.332.2756 F: +1.509.332.5158 E: info@metergroup.com W: metergroup.com METER Group AG Mettlacher Straße 8, 81379 München T: +49 89 1266520 F: +49 89 12665220 E: info.europe@metergroup.com W: metergroup.de...

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