Dual channel online sodium analyzer

NA-840IIDual channel online sodium analyzer

technical indicators

Display mode: Two channels are displayed simultaneously;

Measurement range: 0.1ppb~20ppm, 0~99.9 ℃;

Temperature compensation range: automatic/manual 0-99.9 ℃;

Resolution: 0.1ppb, 0.1 ℃;

Measurement channel: Two channels, cycle time (15-60) minutes;

System error: ± 2.5%, ± 0.3 ℃;

Response time: reaching 60% within 2 minutes;

Calibration: Directly add standard solution and calibrate offline;

Water sample conditions: pH>4.5, pressure: 0.3-4Bar;

Water temperature: 5~45 ℃ Flow rate: 6~20 liters/hour;

PH regulator: diisopropylamine or ammonia solution;

Current isolation output: software setting 0-10 mA (load<1.5 k Ω) or 4-20 mA (load<750 Ω);

Alarm relay: AC220V, 3A, alarm signal isolated output;

Communication interface: Isolated RS485 (optional);

Power supply: AC220V ± 22V, 50Hz ± 1Hz;

Protection level: IP65;

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

Power off storage:>10 years;

Weight and dimensions: 14kg, 380 × 640 × 200 mm.

Main Features

1. Chinese LCD display, Chinese menu style, Chinese note taking.

2. Microcomputerization: Using high-performance CPU chips, high-precision AD conversion technology, and SMT surface mount technology, it completes multi parameter measurement, temperature compensation, automatic range conversion, instrument self-test, with high accuracy and good repeatability.

3. High reliability: Single board structure, touch sensitive buttons, no switch knob or potentiometer. Quick response, accurate measurement, and stability.

4. Automatic constant pressure and flow liquid circuit system: automatically compensates for changes in water sample flow rate and pressure.

5. Stable and efficient alkalization system: New waterways and alkalizing agents are added to the system. Professional ppb measuring electrodes.

6. Waterproof and dustproof design: protection level IP65, suitable for outdoor use.

7. Electromagnetic compatibility (EMC/RFI) design: Designed and manufactured according to European standard EN50081/50082.

8. Alarm function: Alarm signal isolation output, alarm upper and lower limits can be set arbitrarily, alarm hysteresis cancellation.

9. Network function: Isolated current output and RS485 communication interface.

10. Historical curve: Continuously record data for one month, with one point every five minutes.

11. Notepad function: Record 200 pieces of information.

12. Manual current source: convenient for recording and testing devices.

13. Built in real-time clock: provides time benchmarks for various functions, etc.

14. Industrial control watchdog: Ensure that the instrument does not crash.

15. Password management: Both parameter settings and maintenance are password protected.

16. Offline measurement: It can replace the laboratory sodium meter and measure the performance of the standard solution inspection instrument.

17. Other advantages: low usage cost and small maintenance volume.

NA-840IIDual channel online sodium analyzer

The instruments represented by Hebei Zeye Technology Co., Ltd. are widely used in industries such as aerospace, power, chemical, environmental protection, as well as scientific research departments, teaching institutions, environmental monitoring stations, etc
The company's main products include gas detectors, gas analyzers, flue gas analyzers, water quality detectors, indoor air quality detectors, laboratory equipment, dew point meters, radiation detectors, anemometers, flow meters, alarm controllers, formaldehyde detectors, food safety detectors, etc.