DWG-5088 Industrial On-line Sodium Analyzer Meter

The DYDWG-5088 Industrial Sodium Meter is a cutting-edge instrument designed for ppb-level measurement, featuring an automatic constant-pressure and constant-flow liquid system, as well as a stable alkalization system, ensuring measurement stability and accuracy. It is widely applicable for continuous measurement of trace sodium in various media, such as cation bed effluent, demineralized water, feedwater, condensate, distilled water, and steam, in industries including power systems, chemical systems, and pharmaceutical manufacturing.

Instrument Features:
– Chinese LCD display with Chinese menu and logging: User-friendly interface with Chinese prompts and data logging.
– Microcomputer-based design: Utilizes high-performance CPU chips, high-precision AD conversion, and SMT technology for multi-parameter measurement, temperature compensation, automatic range switching, and self-diagnosis, ensuring high accuracy and repeatability.
– High reliability: Single-board structure with touch-sensitive buttons, eliminating switches, knobs, and potentiometers. Provides rapid response, accurate measurements, and excellent stability.
– Automatic constant-pressure and constant-flow liquid system: Automatically compensates for changes in sample flow rate and pressure.
– Waterproof and dustproof design: IP65 protection rating, suitable for outdoor use.
– Alarm function: Isolated alarm signal output with adjustable upper and lower limits, and alarm hysteresis cancellation.
– Network functionality: Isolated current output and RS485 communication interface.
– Historical data curve: Stores sodium concentration data at 5-minute intervals for up to one month.
– Logbook function: Records up to 200 entries.

Technical Specifications:

1. Measurement Range:
– 0～100 µg/L, 0～23000 mg/L
– Resolution: 0.1 µg/L, 0.01 mg/L
– pNa Range: 0.00～8.00 pNa
– Resolution: 0.01 pNa
– Temperature Range: 0～60°C
– Resolution: 0.1°C

2. Basic Error:
– Sodium: ±2.5%
– Temperature: ±0.3°C

3. Automatic Temperature Compensation Range:

– 0～60°C, with 25°C as the reference temperature.

4. Electronic Unit Temperature Compensation Error:
– ±2.5%

5. Electronic Unit Repeatability Error:
– ±2.5% of reading

6. Stability:
– ±2.5% of reading over 24 hours

7. Input Current:
– ≤2 × 10⁻¹² A
– Sample Water Temperature: 0～60°C, 0.3 MPa

8. Clock Accuracy:
– ±1 minute/month

9. Output Current Error:
– ≤±1% FS

10. Data Storage Capacity:
– 1 month (1 point/5 minutes)

11. Alarm Contact:
– AC 250V, 7A

12. Power Supply:
– AC220V ±10%, 50 ±1 Hz

13. Isolated Output:
– 0～10 mA (load <1.5 kΩ)
– 4～20 mA (load <750 Ω)

14. Dimensions:
– Panel-mounted: 440 (W) × 770 (H) × 234 (D) mm
– Cutout size: 390 (W) × 650 (H) mm
– Mounting holes: 280 (W) × 730 (H) mm, 4 holes with Ø12 diameter
– Wall-mounted: 380 (W) × 750 (H) × 234 (D) mm
– Mounting holes: 280 (W) × 730 (H) mm, 4 holes with Ø12 diameter (default installation is panel-mounted unless specified otherwise).

15. Weight:
– 20 kg

16. Operating Conditions:
– Ambient temperature: 0～60°C
– Relative humidity: <85%

This instrument is designed for high precision and reliability in demanding industrial environments, offering comprehensive functionality and ease of use with its fully Chinese interface. Its advanced features, such as automatic compensation, data logging, and network connectivity, make it an ideal choice for continuous sodium monitoring in critical applications.