Optical Dissolved Oxygen Analyzer DO Meter Online T6048

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) External dimensions: 144×144×118 mm;
(11) Installation methods: panel type, wall-mounted type, duct type;
Panel opening dimensions: 137×137mm;
(12) Protection rating: IP65;
(13) Weight: 0.8 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.