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Zirconia Oxygen Analyser - OXY-COMM-RS485

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• Supply voltage: 8 - 15V DC
• Absolute operating pressure: 260 - 1260 mbar
• 8-15V DC supply voltage with reverse polarity and transient overvoltage protection
• Networkable, fault tolerant RS485 interface, short circuit and overvoltage protection
• Can be calibrated in fresh air (20.7% O2 ) or to any other known O2 concentration
• Barometric pressure compensation

Model Number: OXY-COMM-RS485
Data Sheet:

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Product Specification

OXY-COMM Zirconia Oxygen Analyser Description
The OXY-COMM Zirconia Oxygen Analyser is designed for controlled atmosphere applications such as refrigerated transportation containers and fire prevention.

The OXY-COMM Zirconia Oxygen Analyser combines a high accuracy zirconium dioxide oxygen sensor with a networkable, fault tolerant RS485 interface. The oxygen analyser is mounted under a stainless steel hood to protect it from the environment. The IP65 waterproof die-cast aluminium housing accommodates the electronics and has a 4-pole M12 connector to allow multiple devices to be interconnected.

The oxygen sensor inside OXY-COMM uses a unique closed loop measurement system. While OXY-COMM continuously measures the oxygen level, a heartbeat signal is also generated providing an immediate warning of any failures. Due to the innovative design, the OXY-COMM zirconia oxygen analyser does not require a reference gas. Low drift means these products do not require frequent calibration but when they do, it is an extremely simple process which can be performed in fresh air which means there is no need for expensive calibration gases.

The OXY-COMM zirconia oxygen analyser has an 8 to 15Vdc supply voltage range with reverse polarity and transient overvoltage protection. The oxygen analyser is barometric pressure compensated and can be calibrated in fresh air (20.7% O₂) or to any other known O₂ concentration.

OXY-COMM-RS485 Zirconia Oxygen Analyser FEATURES
• 8-15V DC supply voltage with reverse polarity and transient overvoltage protection
• Networkable, fault tolerant RS485 interface, short circuit and overvoltage protection
• Can be calibrated in fresh air (20.7% O2 ) or to any other known O2 concentration
• Barometric pressure compensation

OXY-COMM-RS485 Zirconia Oxygen Analyser APPLICATIONS
• Refrigerated transportation containers
• Protecting historical artefacts against oxidation
• Fire prevention in facilities such as server rooms, or document storage

OXY-COMM-RS485 Zirconia Oxygen Analyser TECHNICAL SPECIFICATIONS

Supply voltage	8 - 15V DC
Bus pin faults	±60V DC
Current consumption	950mA at 12V DC maximum
Temperature: Storage OFF Mode Standby Mode ON Mode Cleaning Mode	-40°C to +85°C -40°C to +85°C -40°C to +70°C -40°C to +60°C -40°C to +45°C
Absolute operating pressure	260 - 1260 mbar
Gas flow rate	0 - 5m/s
Weight	< 300grams
Seal rating	IP65

OXY-COMM-RS485 Zirconia Oxygen Analyser OUTPUT VALUES

Initial output stabilisation time	< 10mins
Oxygen measurement range	0.1 - 100% O2
Accuracy after calibration in fresh air to 20.7% O2	< ±0.5% O2
Accuracy after calibration in 100% O2	< ±0.5% O2
Repeatability	< ±0.5% O2
Measurement resolution	0.01% O2
Response time (10 ~ 90%)	< 15s
Heater warm up times (no oxygen measurement): OFF Mode to ON Mode Standby Mode to ON Mode Cleaning Mode to ON Mode	60s 20s 5s