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DOT3000 Online Dissolved Oxygen Meter

As shown in the figure:

● Can be used with various types of dissolved oxygen sensors

● Supports tag number entry

● Provides a 4–20 mA current output channel for transmitting the primary measured parameter or temperature measurement; RS485 output is also available as an option.

● Provides two relay outputs (upper/lower limit alarms), supporting both normally open and normally closed wiring configurations.

● Automatic temperature compensation

● Default factory setting is Chinese; supports both Chinese and English menu display.

● The entire unit features an IP67 protection rating, enabling outdoor, open-air installation and operation.

● Provides password management permissions for operational access to prevent unauthorized modification of device parameters.

 

Technical Indicators:

Main functions

Display/Transmission/Alarm/Communication

Screen specification

2.8-inch high-definition monochrome screen (320×240)

Measurement range

0–20 mg/L

Temperature range

0–99.9°C

Automatic temperature compensation

Yes

Output

4–20 mA (load < 750 Ω)

Alarm settings

Upper/Lower Limit Alarm (with configurable lookback and delay)

Power supply

AC 220V or 24V DC

Communication interface

RS485

Protection rating

IP67

Relative humidity

<85%

External dimensions

113.5*118*136mm

Installation size

92*92mm

Installation method

Panel / Wall Mounting

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