Overview
Now Available with optional MODBUS/RS485 Interface Our DO6400 series of galvanic dissolved oxygen sensors deliver accurate measurements with very fast response time. Calibration is simple and only requires a single-point air calibration. Sensor directly outputs Millivolt, 4-20mA analog or MODBUS/RS485 digital signal scaled to the sensor range for easy PLC integration. Fast response time for accurate dissolved oxygen monitoring Direct MilliVolt, 4-20mA analog or MODBUS/RS485 digital output signal to integrate with a PLC or other control system Input Voltage Options: 12V DC – MODBUS only 24V DC – 4-20mA & MODBUS Ready for long-term deployment with large electrolyte reservoir One year limited warranty
Specifications
| Manufacturer | Sensorex |
|---|---|
| Model | DO6400 |
| Manufacturer part number | DO6400-1 |
| Product type | Aquaculture & Aquarium |
| Range | 0-100%, 0 - 150%, 0-200%, 0 - 300% |
| Communication | 4 - 20 mA, Modbus, Millivolt |
| Shipping weight | 1.68 lbs |
| Dimensions | 10.75 × 4.4 × 3.4 in |
Documentation
Specifications reproduced from the manufacturer's published product information (sensorex.com), retrieved 18 August 2026. Sensorex is a trademark of its owner. Confirm all specifications with ForeverPure before purchase.