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The RetractoFit is a retractable armature designed for 225 mm sensors in industrial applications. It allows the operator to mount and dismount sensors while the process is running. Safe sensor handling during process is guaranteed because insertion into the vessel without a sensor is impossible so is removal while in the measuring position
4 to 20 mA Current Range | 3.5 to 22 mA |
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Accuracy at 25 °C | 0.4 ppm ± 5 %; 8 ppm ± 1 %; 20 ppm ± 5 % |
Analog Interface 1 | 4 to 20 mA for DO, programmable |
Configurable Values | DO: mbar; %-sat; %-vol; µg/l; mg/l; ppb/ppm (gas); ppb/ppm (dissolved oxygen); Temperature: °C, °F, K |
Diameter | 20 mm |
Digital Interface | RS485 Modbus (Maximum 31 addresses) |
Drift at Room Temperature | < 1 % per week |
Electrical Connector | 10 m Fix Cable / Open End |
Measurement Principle | Oxygen dependent luminescence quenching, temperature compensation |
Measuring Range | 4 ppb to 40 ppm (DO) or 0.1 to 1000 mbar (pO2) |
Operating Temperature Range | 0 to 60 °C |
Operating Voltage | 7 to 30 VDC Maximum 1 W |
Pressure Range | -1 to 12 bar |
Protection Rating | IP 68 |
Response Time | t98% < 30 s at 25 °C |
Sensor Cap | ODO Cap H20 |
Sensor Family | VisiWater |
Serial Number | Yes |
Temperature Sensor | NTC 22 kOhm |
Wetted Parts | EPDM (Ethylene propylene elastomer) \nVMQ (Silicone elastomer) \nPVC-U / Polyamide |
Length | 150 mm |
Baud Rate | 4800, 9600, 19200, 38400, 57600,115200 Bd |
Parameter | DO (Optical) |
Sensor Output | Arc: Modbus, 4 to 20 mA |
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