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Manual describes composition, mode of operation, and use of the SGM7 oxygen monitor.
The operation manual is copyright protected and must not be reproduced without permission.
Explains symbols for imminent danger, indirect danger, and proper handling for safe operation.
Lists SGM7 functions: measures O2, indicates deviations, monitors processes, checks gas purity.
Explains the NERNST equation and the sensor's basis on ZrO2 conductivity.
Discusses free vs. bound oxygen and dependencies on temperature and gas composition.
Specifies required flow rates (5-10 l/h) and effects of incorrect flow.
Details guaranteed error margins and factors affecting measurement accuracy.
Lists key specifications: measuring range, accuracy, flow rate, pressure, temperature, conditions.
Provides physical specifications: dimensions, weight, gas inlet/outlet types.
Covers electrical specifications for current supply, consumption, and components.
Details electrical specifications: voltage, current consumption, heater power, keypad, and display.
Specifies serial interface (RS-232) parameters and analog output details.
Describes the SGM7 as a transportable device and its general composition.
Explains the construction of the ZrO2 sensor with platinum electrodes and thermocouple.
Illustrates the data processing block diagram of the SGM7.
States the SGM7 is firmly connected to the current supply via a cable.
Describes indicators, control elements, and keypad on the front panel.
Lists connections on the rear panel: gas inlet/outlet, analog output, RS232, power switch.
Specifies setup requirements: dry, dust-free, flat surface, socket, no heat/magnetic fields.
Details temperature compensation, waiting time, and connection of gas and power.
Covers switching on, measurement indication, gas flow adjustment, and data monitoring.
Lists status and error messages, their display, and remarks for monitoring.
Introduces the section on configuring device parameters.
Lists and describes adjustable parameters like display, output, range, and limits.
Details the device's programming menus and navigation for settings.
Explains setting limit values and delay time for alarms.
Details analog output settings: value, range, zero point, end mark, average factor.
Details zero point and span gas calibration procedures.
Details the process of span gas calibration using certified test gas.
Recommends calibration for accuracy and outlines general process requirements.
Details zero and span gas calibration steps.
Lists and explains calibration status messages (OK, WAIT, BREAK, etc.).
Provides a table of disturbances, their causes, and clearance methods for troubleshooting.
States electronics and sensor are maintenance-free; handling defects and storage.
Explains how to turn off, disconnect, and replace the internal fuse.
Discusses ZrO2 sensors for combustion process optimization and quality standards.
Explains the air factor lambda and its calculation based on oxygen concentration.
Explains electrochemical principles of ZrO2 sensors and the NERNST equation.
Explains ZrO2 cells for measuring H2O/H2 ratio in different atmospheres.
Provides step-by-step instructions for installing Swagelok tube fittings.
Details how to disconnect and retighten Swagelok connections reliably.
Covers filter description, application, operation, and replacement of the activated carbon.
Lists technical data for the activated carbon filter: weight, volume, duration, carbon type.
Presents the EU Declaration of Conformity for the SGM7 product.
Outlines ZIROX's warranty terms and conditions for the product.
General| Protection Class | IP65 |
|---|---|
| Response Time (T90) | <10 seconds |
| Operating Temperature | -20°C to +50°C |
| Power Supply | 24 VDC |
| Output Signal | 4-20 mA |
| Accuracy | ±1% of reading |
