Hetai Online Dissolved Oxygen Analyzer

Hetai Online Dissolved Oxygen AnalyzerTypical applications:

　　Hetai Online Dissolved Oxygen AnalyzerThe components of the product are all precision electronic devices widely used in high-tech fields such as aviation, automotive, and military. They are designed with anti-interference and reliable stability integrated circuits, simple operation, and rich software systems with instrument interfaces, making the detection signals more accurate and stable. Currently, their products are widely used in industries such as power, pharmaceuticals, chemicals, petroleum, metallurgy, water treatment, food, and beverages.

　　Hetai Online Dissolved Oxygen AnalyzerCharacteristics:

Large screen dot matrix LCD display, Chinese menu operation, and simultaneous display of multiple parameters

Menu based operation, user-friendly design, easier to use

*Anti interference design can be used for strong interference on-site operations and anti electromagnetic interference

Automatic conversion of measurement frequency: avoids electrode polarization and improves measurement accuracy

Automatically achieve wide range measurement from ppb level to ppm level

IP65 all-weather waterproof and gas resistant, suitable for any harsh environment

Two relay contacts, capable of independent and free selection of high and low position control

Independently adjustable high-low set point hysteresis width to prevent relay oscillation around the set point

Automatic temperature compensation function

Other brands of sensors can be selected

Communication function: Equipped with RS-485 communication interface

Isolate 4-20mA current output, corresponding pH value can be set arbitrarily

Optional upper computer online acquisition software from our company for data collection and processing

DO value temperature compensation function

Automatically recognize standard solution, can restore factory settings

　　Hetai Online Dissolved Oxygen AnalyzerTechnical indicators:

1. Measurement range: 0-20ppm, with automatic range switching.

2. Temperature: -10~130 ℃

3. Resolution: 0.1ug/L, 0.01mg/L at 0.1 ℃

4. Accuracy: ug/L: ± 1.0% FS; mg/L: ± 0.5% FS, ± 0.3 ℃

5. Temperature compensation: Automatic (± 10 ℃ offset adjustment) Manual (calibration temperature can be set)

6. Control interface: Two sets of ON/OFF relay contacts, divided into high and low point alarm signals

7. Signal isolation output: Optocoupler isolation protection 4-20mA signal output

8. RS-485 communication: One RS-485 serial output can set up to 100 instrument numbers, with a maximum distance of 1000 meters, and can be converted to RS-232 for direct connection to a computer.

9. Relay: Relay hysteresis can be set arbitrarily, relay load: 10A; 220VAC

10. Working conditions: ambient temperature of 0-60 ℃, relative humidity ≤ 90%

11. Output load: load<500 Ω (0-10mA), load<750 Ω (4-20mA)

12. Working voltage: 220VAC ± 10%, 50/60Hz (or DC24V)

13. Shell material: ABS

14. Hole size: 135 * 135 * 100mm

15. Weight: 1.5Kg

　　Hetai Online Dissolved Oxygen AnalyzerOptional attachments:

Electrode installation bracket

Imported electrodes or domestically produced electrodes

RS-485 communication function