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SGM5T

Product catalog summary

Overview: The ZIROX SGM5T is a compact precision oxygen measuring device featuring a zirconia measuring cell and process electronics for accurate oxygen concentration measurement. It is designed for use in environments with protective or inert gases where oxygen traces can affect product quality.

Specifications:

Measurement Range: 2.0 · 10⁵ to 0.1 vol-ppm, with options for measurements up to 10^-20 vol-ppm and up to 100 vol% on request.
Signal Output: 4-20 mA, with options for 0-5 V or 0-10 V.
Accuracy: Relative error < 3% for 2 · 10⁵ to 10 ppm, < 5% for 10 to 0.1 ppm.
Gas Flow: 5 to 10 l/h.
Max Gas Pressure: 100 mbar overpressure, with pressure reduction required for higher pressures.
Max Gas Temperature: 80°C at gas input.
Dimensions: 320 mm x 240 mm x 90 mm.
Weight: 4 kg.
Protection Degree: IP 30.
Operating Conditions: 10 to 40°C, relative humidity < 80% at 20°C.
Storage Conditions: -20 to 60°C, relative humidity < 95% at 20°C.
Power Supply: 110 to 230 V/50 to 60 Hz, 30 VA power consumption.
Heater Measuring Cell: 24 V DC, approximately 15 W.

Features:

Microprocessor converts cell signal to oxygen concentration using the NERNST equation.
Analog current signal output with optional digital interface (RS232).
Capability to process signals from additional sensors (e.g., CO2, humidity, pressure).

Applications: Suitable for processes requiring precise oxygen measurement, such as soldering, welding, heat treatment, microelectronics production, and food packaging. It supports quality assurance systems like ISO 9000 by enabling constant monitoring and documentation of quality parameters.

Additional Capabilities: Can determine parameters like redox-quotient, air factor λ, H2O/H2-ratio, or CO2/CO-ratio for monitoring reducing gases.

User Interface: Features a keypad with 6 foil keys and an LCD dot-matrix display.

Catalog excerpts

ZIROX Oxygen Measuring Device SGM5T Properties The compact precision meter SGM5T contains the approved calibration- and drift-free ZIROX zirconia measuring cell as well the process electronics (for cell heater control, flow monitoring, cell signal processing, calculations and signal output, e.g. oxygen concentration, air factor X, redox-quotient or H2O/H2-ratio). A microprocessor changes the cell signal to the oxygen concentration according to the NERNST equation. The value is displayed and generated as an analog current signal (option: digital interface RS232, software for measuring value recording and storage is available). Additionally, the electronics can process and output the signals of another optionally integrable sensor (e.g. CO2, humidity or pressure sensor with standard interface). Applications In various technological processes under protective or inert gases oxygen traces are detrimental for the product quality. Precondition for detection and prevention of problems is the fast and precise measurement of oxygen or the determination of the reducing force of inert gases. With the increasing introduction of quality assurance systems, e.g. ISO 9000, a constant monitoring and documentation of quality parameters becomes more important. With the SGM5T the user gets several possibilities for process optimization (soldering and welding processes, heat treatment of metallic surfaces, microelectronic production, food packing technology). For the monitoring of reducing gases further parameters (redox-quotient, air factor X, H2O/H2-ratio or CO2/CO-ratio) can be determined with special calculation methods. Sensoren und Elektronik GmbH www,zirox.de : GmbH - Am KoppHberg 21 -17469 Gretlswald Email* infoltf'rirnx

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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