Online Optical Dissolved Oxygen Analyzer DO Meter T6548

Instrument Characteristics

• 1.Large LCD color liquid crystal display screen
• 2.Smart menu operations
• 3.Data records & curve display
• 4.Multiple automatic calibration functions
• 5.Manual or automatic temperature compensation
• 6.Three-group relay control switch
• 7.Upper limit, lower limit, and hysteresis control
• 8.4-20mA & RS485 with multiple output options
• 9.The same interface displays dissolved oxygen, temperature, current, etc.
• 10.Password protection can be set to prevent unauthorized personnel from accidental operation.

Technical Parameter

(1) Measurement range (based on sensor range):

Dissolved oxygen: 0–20.0 mg/L; 0–200%;

temperature ：-10～150.0℃；

(2) Resolution:

Dissolved oxygen: 0.01 mg/L; 0.1%;

temperature ：0.1℃；

(3) Basic error:

Dissolved oxygen: ±1% F.S.;

temperature ：±0.3℃；

(4) Response time (90% final value):

<60 seconds at 25°C; <30 seconds at 35°C;

（5） stability ：

Under atmospheric pressure and constant temperature conditions, the weekly drift is <2%F·S.

(6) Dual-channel current output:

0/4 to 20mA (load resistance <750Ω);

20～4mA (load resistance <750Ω);

(7) Communication output: RS485 MODBUS RTU;

(8) Three sets of relay control contacts:

5A 250VAC，5A 30VDC；

(9) Power supply (optional):

85～265VAC ±10%,50 ±1Hz, power ≤3W;

9–36VDC, power consumption: ≤3W;

(10) Dimensions: 235*185*120mm;

(11) Installation method: Wall-mounted;

(12) Protection rating: IP65;

(13) Weight: 1.2 kg;

(14) Work environment:

Environmental temperature: -10 to 60°C;

Relative humidity: not exceeding 90%;

There is no strong magnetic field interference around except for the Earth's magnetic field.