CE Certified Industrial Online Polarographic Dissolved Oxygen Analyzer RS485 MODBUS Output Signal Relay Control

T4040 Online Dissolved Oxygen Controller

The microprocessor-based industrial online dissolved oxygen meter is a water quality online monitoring and control instrument. The instrument is equipped with a polarographic dissolved oxygen electrode, which is widely used in power plants, petrochemicals, metallurgical electronics, mining, papermaking, bio-fermentation, medicine, food and beverage, water treatment, aquaculture and other industries to continuously monitor and control the dissolved oxygen value and temperature value.

Instrument Features:
color liquid crystal display
Smart menu operation
Various automatic calibration functions
Various signal output modes
Two groups of relay control switches
Manual or automatic temperature compensation
High and low alarm, hysteresis control
Dissolved oxygen, temperature, status, etc. are displayed on one screen at the same time
Password protection function to prevent misuse by non-staff


technical parameter:
(1) Measuring range:
Dissolved oxygen: 0~20.0mg/L: 0~100%;
Temperature: -5~150.0ºC

Temperature: 0.1ºC;
Dissolved oxygen: 0.01mg/L; 0.1%;
(3) Basic errors:
Dissolved oxygen: ±1%FS;
Temperature: ±0.3ºC;
(4) Electrode residue signal: <1‰;
(5) Response time (90% of final value):
At 25ºC<60S; 35ºC<30S;
(6) Stability:
Under constant pressure and constant temperature, the weekly drift is less than 2%FS;
(7) Two current outputs:
0/4~20mA (load resistance<750Ω);
20~4mA (load resistance<750Ω);
(8) Communication output: RS485 MODBUS RTU;
(9) Two groups of relay control points:
3A 250VAC, 3A 30VDC;
(10) Power supply (selection):
8-265VAC±10%, 50±1Hz, power consumption≤3W;
9~36VDC, power consumption≤3W;
(11) Dimensions: 98×98×130mm;
(12) Installation method: panel installation or wall installation;
Panel opening size: 93×93mm;
(13) Protection level: IP65;
(14) Weight: 0.6kg;
(15) Working environment:
Working temperature: -10~60ºC;
Relative humidity: ≤90%;
Except for the geomagnetic field, there is no strong magnetic field interference around.

After-sales service

* The warranty period is12Months from the date of commissioning and acceptance. also,welectronicsecondSupply 1Yesearwwarranty andLiftlifelongfrare earthTontechnicalGguidance andTonrain.
* We guarantee that the repair time will not exceed7Business days and response times within3Hour.
* We establish instrument service files for customers to record product service and maintenance.
* After the instrument starts service, we will follow up and collect the service situation for a fee.


FAQ

What is the minimum order quantity?
MOQ: Generally 1 piece/piece/set

What payment methods are supported?
Payment method: wire transfer, letter of credit, etc.
Payment terms: Generally, we accept 100% T/T, balance before shipment.

What shipping methods are available?
Our port location: Shanghai
Delivered to: Worldwide
Delivery method: by sea, by air, by truck, by express, by combined transportation

How long is the product delivery date?
Delivery dates vary by product type, order quantity, special requirements, etc. Usually our large machine delivery date is about 15~30 days; test equipment or analyzer delivery date is about 3~7 days. Some products are in stock, please feel free to contact us for more information.

How long is the warranty period?
Equipment supplied to agreed specifications is warranted to be free from defects in material and workmanship under normal use and service for a period of 1 year after system start-up.

How about the technical service of the product?
If you have any technical questions, please feel free to contact us. We will reply in time and give you a satisfactory answer. Engineers can provide service and technical support for overseas machines if needed and necessary.

Delivery and packing:

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