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IAQ probes For class 320 transmitters

IAQ probes For class 320 transmitters

Si-PRO-CO2: CO2 probe. Main applications: CO2 monitoring (IAQ) in VAC systems of office buildings, commercial buildings, education facilities.

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  • Si-PRO-CO: CO probe. Main applications: CO monitoring in parking lots, boiler rooms and in industrial environments.

  • Si-PRO-VOC: VOC probe. Main applications: VOC monitoring (IAQ) in VAC systems of office buildings, commercial buildings, education facilities, Control of TVOC in pharmaceutical industries.

  • Plastic body, Ø 29.5 mm, length: 175 mm.

  • Si-ACC-R2 probe cable connection to class 320 transmitters is needed.

  • High accuracy

  • Long-term stability

  • Reliable measurements

  • Interchangeable, autolock connector

  • 1 mounting flange

  • 1 adjustment certificate


Measure Details
Units ppb, ppm
Measuring Ranges
Si-PRO-CO 0.00 ppm ... 500.00 ppm
Si-PRO-CO2 0.00 ppm ... 10000.00 ppm
Si-PRO-VOC 0.00 ppb ... 1000.00 ppb
Si-PRO-VOC 400.00 ppm ... 2000.00 ppm
Technical Details
Parameters Air quality, CO, VOC, CO?
Wireless connection No
Operating Temperature
Min -10.00 °C / 14.00 °F
Max 50.00 °C / 122.00 °F