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CO₂NTROL RS485 425

Product catalog summary

Product Overview: The CO₂NTROL RS485 425 is a maintenance-free, solid-state optical CO₂ sensor designed for precise measurement of carbon dioxide levels using non-dispersive infrared (NDIR) technology. It features temperature compensation and is suitable for various applications.

Specifications:

Sensor Family: CO₂NTROL
Output: Modbus
Length: 425 mm
Measurement Principle: NDIR absorption
Measuring Range: 5 - 1000 mbar, 0.5 - 100% vol, or 7.5 - 1500 mg/L in liquid phase at 101.3 kPa and 25°C
Accuracy at 25°C: ±5 mbar (5-100 mbar); ±5% (> 100 mbar)
Temperature Sensor: NTC 22 kOhm
Configurable Values: CO₂ in various units; Temperature in K, °C, °F
Diameter: 12 mm
Process Connection: PG13,5
Wetted Parts: Stainless Steel 1.4435, EPDM, Silicone
Surface Quality of Steel: Ra < 0.4 µm (N5)
Digital Interface: RS485 Modbus (max. 31 addresses)
Baud Rate: 4800 to 115200 Bd
Operating Voltage: +10 to +27 VDC
Serial Number: Yes
Certificate: Factory test with CO₂ certified gas
Hygienic Design Approval: EHEDG approved, EL Class I
Autoclavable: Yes
CIP: Yes
Steam Sterilizable: Yes, max. Temperature 140°C
Operating Temperature Range: -10 to 140°C; no CO₂ reading above 60°C
Pressure Range: -1 to 12 bar
Protection Rating: IP 68

Compliance and Approvals: The sensor is EHEDG approved for hygienic design but lacks ATEX and IECEx approvals.

Additional Information: The sensor does not require any electrolyte or CO₂ consumption and is designed for easy integration with a digital interface. Specifications are subject to change without notice.

Catalog excerpts

CO2NTROL RS485 425Specification Sheet (Part/REF # 10087810-15) Maintenance-free Solid-State Optical CO2 Sensors Sensor Output Arc: Modbus Measurement Principle Non-dispersive Infra-Red (NDIR) absorption of wavelength selective for CO2; temperature compensation. Measuring Range 5 - 1000 mbar or 0.5 - 100 % vol or 7.5 - 1500 mg/L in liquid phase at 101.3 kPa and 25°C Accuracy at 25 °C ±5 mbar (5-100 mbar); ±5% (> 100 mbar) Electrolyte None Temperature Sensor NTC 22 kOhm Configurable Values CO2: mbar, mmHg, hPa, %-vol, %-sat, |jg/l ppb, mg/l ppm (dissolved CO ) Temperature: K, °C, °F Wetted Parts Stainless Steel 1.4435 EPDM (Ethylene propylene elastomer) Silicone - FDA 21 CFR 177.2600 See compliance details in Material Specification document Surface Quality of Steel Ra < 0.4 pim (N5) Digital Interface RS485 Modbus (max. 31 addresses) Certificate Yes, factory test with CO2 certified gas Hygienic Design Approval EHEDG approved. EL Class I. (Test executed with Hamilton hygienic socket REF 242545) Steam Sterilizable Yes, max. Temperature 140 °C Operating Temperature Range -10 to 140 °C; the sensor provides no CO2 reading above 60 °C

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