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Zirconia Oxygen Sensor Interface Board - O2I-Flex

Supply voltage: 24V DC ± 10%
Supply current: 600mA max. at 24V DC
Digital output: RS232
Analogue output: 4 ~ 20mA; load 100 ~ 600Ω ?or 0 ~ 10VDC ; load 10kΩ min
Oxygen pressure limits: 1 ~ 1000mbar
Oxygen range (analogue output): 0.1 ~ 25% O2 or 0.1 ~ 100% O2
Oxygen range (RS232 output): 0.1 ~ 100% O2

Model Number: O2I-Flex
Data Sheet:

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Product Specification

O2I-Flex Oxygen Sensor Interface Board Description
The O2I-Flex Oxygen Sensor Interface Electronics provides the electronics necessary to power and control SST’s range of zirconium dioxide oxygen sensors.

The O2I-Flex oxygen sensor interface electronics can be user configured to output measuring ranges of 0-25% O? and 0-100% O?. The entire measurement range is linear in both cases and offers three output options 0-10V, 4-20mA and RS232 comms interface.

The O2I-Flex can be calibrated in fresh air (20.7% O?) or in any other known O? concentration by either an automatic or manual external trigger or via an on-board push button switch. The electronics offer power and sensor operating LEDs and removable polarised screw terminals for easy wiring.

The adaptive software filtering provides a fast sensor response coupled with a stable oxygen output.

O2I-Flex Oxygen Sensor Interface Board FEATURES

? Provides the electronics necessary to power and control SST’s range of zirconium dioxide (ZrO2 ) sensors
? Externally triggered automatic or manual calibration. Calibration can also be initiated via an on-board push button
? Power and sensor operating LEDs
? Removable polarised screw terminals for easy wiring

O2I-Flex Oxygen Sensor Interface Board BENEFITS
? Adaptive software filtering provides a fast sensor response coupled with a stable oxygen output
? High accuracy linear output
? Can be calibrated in fresh air (20.7% O2 ) or in any other known O2 concentration

O2I-Flex Oxygen Sensor Interface Board TECHNICAL SPECIFICATIONS

Supply voltage	24V DC ± 10%
Supply current	600mA max. at 24V DC
Digital output	RS232
Analogue output	4 ~ 20mA; load 100 ~ 600Ω or 0 ~ 10VDC ; load 10kΩ min
Temperature limits Storage: Operating:	-10°C to +70°C -10°C to +70°C
Oxygen pressure limits	1 ~ 1000mbar

O2I-Flex Oxygen Sensor Interface Board OUTPUT VALUES

Oxygen range (analogue output)	0.1 ~ 25% O₂or 0.1 ~ 100% O₂
Oxygen range (RS232 output)	0.1 ~ 100% O₂
Accuracy after calibration	1% O₂
Repeatability after calibration	0.5% O2
Output resolution: 0 - 10V DC: 4 - 20mA: RS232:	0.01V 0.01mA 0.01% O2
Response time (step 10 - 90%) Fast response sensor connected: Standard response sensor connected:	< 4s < 15s
Initial warm up time (till stable output)	5 ~ 10mins
Output inactive start up delay (heater warm up)	60s