DDS-801 Chinese Desktop Conductivity Meter

DDS-801 Chinese Desktop Conductivity Meter

The DDS-801 is the most powerful and user-friendly conductivity meter on the market. Featuring Chinese display and Chinese menu guidance, it offers extremely convenient operation, multiple functions, and high measurement accuracy. It can be widely used for continuous monitoring of conductivity values in solutions such as thermal power, chemical fertilizers, metallurgy, environmental protection, pharmaceuticals, biochemistry, food, and tap water.

Main Features

Chinese LCD display, Chinese menu style, Chinese notepad.

Microcomputerized: Utilizes high-performance CPU chips, high-precision AD conversion technology, and SMT mounting technology to achieve multi-parameter measurement, temperature compensation, automatic range conversion, high accuracy, and good repeatability.

High reliability: Single-board structure, touch-sensitive keys, no switches, knobs, or potentiometers.

Automatic measurement frequency conversion: Prevents electrode polarization and improves measurement accuracy.

25°C conversion: Automatic temperature compensation measurement/manual input.

Automatic temperature compensation for ultrapure water.

Waterproof and corrosion-resistant design.

Network function: RS232 bidirectional communication, compatible with printers or TLab1.0 communication and data processing software.

Historical data: Stores 3000 data points.

Notepad function: Records 200 entries.

Built-in real-time clock: Provides time benchmarks for various functions.

Industrial control watchdog: Ensures the instrument does not freeze.

Capable of measuring high-purity water: Equipped with a titanium alloy electrode with a constant of 0.01 cm⁻¹ and a sealed measurement cell.

Technical Specifications

Display method: Chinese LCD display, Chinese menu operation

Measurement range:

Electrode constant × (1–20000) μS/cm, 0–99.9°C

0.01–20 μS/cm (with 0.01 electrode);

0.1–200 μS/cm (with 0.1 electrode);

1.0–20.00 mS/cm (with 1.0 electrode);

10–200000.0 mS/cm (with 10.0 electrode);

Resolution: 0.001 μS/cm, 0.1°C

Electrode constant: 0.001–15.0 cm⁻¹, set via software

Temperature compensation range: Automatic/manual 0–99.9°C

Temperature coefficient: 0–10%/°C (based on 25°C)

Accuracy: ±0.5% FS, ±0.3°C

Communication interface: RS232 bidirectional communication

Power supply: AC220V±22V, 50Hz±1Hz, external power supply

Operating conditions: Ambient temperature 0–60°C, relative humidity ≤90%

Data retention without power: >5 years

Clock accuracy: ±1 minute/month

Dimensions and weight: 202×202×68 mm, 1.0 kg

Standard configuration:One DDS-801 secondary meter, one HT10 power supply, one CP-1.0 conductivity electrode, one T22 temperature electrode, one set of electrode holder.