Online dissolved oxygen meter

This industrial dissolved oxygen meter is a microprocessor-based online water quality monitoring instrument. It features an LCD screen and supports intelligent Chinese menu operation for ease of use. The measurement range is freely adjustable, and it includes high and low limit alarm functions and two sets of adjustable hysteresis range relay control switches. It supports automatic/manual temperature compensation and automatic electrode calibration, and provides current or voltage output, making it precisely suited for various water quality monitoring scenarios.

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  • Specification

Technical Specifications & Engineering Parameters

Sensor Technology Advanced Optical Luminescence (Fluorescence quenching) Dissolved Oxygen Sensor
Measurement Advantages No oxygen consumption, no flow velocity requirement, zero electrolyte/membrane replacement needed
Measuring Range DO: 0.00 to 20.00 mg/L (0.0 to 200.0% saturation); Temp: -10°C to +50°C
Accuracy & Stability ±1.0% of reading or ±0.1 mg/L; Drift < 0.5% per year
Response Time T90 < 60 seconds (Rapid response)
Sensor Wetted Material SUS316L / Titanium probe body, optical sensing cap with silicone coating
Installation Styles Immersion pole mount, float ball mount, pipeline insertion mount
Transmitter Outputs 4-20mA analog current loop, RS485 Modbus-RTU, Dual relay alarms
Data Logging Feature Records trend history curves and calibration records
Power Supply Universal 90-260V AC 50/60Hz or 24V DC
Protection Grade Transmitter IP65; Optical sensor IP68 (Withstands 10m water depth)

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EMAIL： winnasheng@jujietech.com
Telephone： +86 13309630361