DO transmitter with LCD display monitors DO, saturation and temperature. It supports zero/saturated oxygen calibration, dual relays, 4-20mA and RS485 Modbus outputs for sewage and aquaculture online control.
LCD screen simultaneously displays DO, saturation value and temperature
Two standard calibration modes: zero oxygen & saturated air calibration
Auto & manual temperature compensation with salinity correction function
Dual relay outputs for high/low limit alarm and dosing control
Dual 4-20mA analog + RS485 Modbus RTU communication
IP65 waterproof housing, support panel and wall mounting
Wide AC/DC universal power supply, password access protection
Fully compatible with polarographic dissolved oxygen sensors
| Product Name | Online Dissolved Oxygen Meter |
| Measurement Range | Dissolved oxygen: 0-20.0mg/L; Temperature: 0-50℃ (depending on the electrode) |
| Measurement Accuracy | Dissolved oxygen: ±1%F.S; Temperature: ±0.3℃ |
| Temperature Compensation | Automatic or manual |
| Resolution | Dissolved oxygen: 0.01mg/L; Temperature: 0.1℃ |
| Stability | At normal temperature and constant pressure, the weekly drift is 2%F.S |
| Relay | 2 sets of 5A 240VAC/5A 28VDC or 120VAC |
| Power Supply | 85 ~ 265VAC or 9 ~ 36VDC, Power: ≤3W |
| Current Output | Standard: 1 channel 4-20mA, optional: 2 channels |
| Communication Output | Standard: RS485 Modbus RTU |
| Overall Dimensions | 98*98*130mm |
| Panel Cutout Size | 93*93mm |
| Protection Class | IP65 |
| Installation Method | Panel mounting/cabinet mounting/embedded or wall mounting |
| Instrument Weight | 0.6kg |
| Ambient Temperature | -10 ~ 60℃; Relative humidity: ≤90%; No strong magnetic field interference around except the earth's magnetic field |
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