Dissolved Oxygen online Sensors for General Water

Description And Benefits
Features
Application
Specification Parameters
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【Product Description】

The online dissolved oxygen sensor uses fluorescence technology to measure dissolved oxygen in water. It features a built-in temperature sensor for automatic temperature compensation and supports manual compensation for air pressure and salinity. The sensor communicates via RS485 interface with standard Modbus protocol.

【Features】

No replacement of oxygen membranes or electrolytes required, minimal maintenance.

Fluorescent detection technology ensures rapid response.

Temperature compensation enables wide environmental applicability.

Corrosion-resistant housing with IP68 waterproof rating for long-term submersible operation.

RS485 interface with ModBus protocol for seamless integration.

【Applications】

Widely applied to scenarios such as environmental surface water, municipal wastewater, and aquaculture water bodies.

【Specification Parameters】

Mode

DO-210

Parameter

Technical Specification

Working Principle

Fluorescence Method

Measuring Range

0-20 mg/L (customizable ranges available); Temperature: 0-50°C

Drift

±0.2 mg/L

Accuracy

±0.2 mg/L

Repeatability

±0.2 mg/L

Resolution

0.01 mg/L

Response Time

<1min

Protection Rating

IP68

Dimensions

φ33×224 mm, 10m cable (Customizable)

Material

316L Stainless Steel/Titanium Alloy (Optional)

Weight

0.5kg

Installation Thread

Upper End: NPT 3/4 Thread

Operating Voltage

(9~36)V DC

Power Consumption

0.4 W

MTBF

≥1440 hours/instance

Calibration Cycle

6~12 months


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