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DDG-403B（LCD-A） Conductivity MonitorModel
閱讀：2533 發布時間：2013-2-18
Conductivity MonitorModel
DDG-403B（LCD-A）
Operating Instructions
1. IntroductionConductivity monitor DDG-403B （LCD-A） provides advanced measurement and temperature compensation via MCU, with large LCD display. It is widely used in electronics, chemistry, pharmaceutical, mechanical and electrical, nuclear energy and water etc industry. 2. Features1） Automatically reversible measurement range2） Automatically adjustment to zero3） TDS （ppm） display4） Simultaneous viewing of conductivity and temperature values5） Alarm output according to maximum conductivity and TDS value6） Data output via the interface RS-232C7） 220 VAC or 24 VDC powered 3. Technical Specifications1） Measurement range: automatic measurement range at 0-20.00, 200.0, 2000µS/cm, 0-1000ppm can be displayed.2） Temperature compensation: automatic temperature compensation, compensation range 0-60℃, compensation point 25℃, compensation component NTC10KΩ3） Display: 58×42 large LCD screen, 4 digits 0.56’’ for conductivity display, 3 digits 0.36’’ for temperature display4） Accuracy: ≤±2% （F·S）5） Electrode: 1.00cm-1 plastic platinum holder, 4’ pipe-thread, cable length 5m6） Alarm output: available alarm setting for conductivity or TDS. When the measurement reading exceeds the setting value, a relay will be functioned.7） Current Output: DC 4-20mA output, optional according to user’s requirement8） RS-232C interface: available RS-232C access to devices complied with the interface such as computers, printers （DY-301B） to print out measurement data.9） Real time clock: real time clock function supports the continuously changing printing time to be recorded.10） Power supply: 220 VAC or 24 VDC, to be confirmed by customers when replace orders11） Dimensions: frame dimension: 96×96 （mm）, panel dimension: 91×91 （mm）, depth: 95 （mm）12） Testing standard: Q/TCDP03-2000
1. Introduction
Conductivity monitor DDG-403B （LCD-A） provides advanced measurement and temperature compensation via MCU, with large LCD display. It is widely used in electronics, chemistry, pharmaceutical, mechanical and electrical, nuclear energy and water etc industry.
2. Features
1） Automatically reversible measurement range
2） Automatically adjustment to zero
3） TDS （ppm） display
4） Simultaneous viewing of conductivity and temperature values
5） Alarm output according to maximum conductivity and TDS value
6） Data output via the interface RS-232C
7） 220 VAC or 24 VDC powered
3. Technical Specifications
1） Measurement range: automatic measurement range at 0-20.00, 200.0, 2000µS/cm, 0-1000ppm can be displayed.
2） Temperature compensation: automatic temperature compensation, compensation range 0-60℃, compensation point 25℃, compensation component NTC10KΩ
3） Display: 58×42 large LCD screen, 4 digits 0.56’’ for conductivity display, 3 digits 0.36’’ for temperature display
4） Accuracy: ≤±2% （F·S）
5） Electrode: 1.00cm-1 plastic platinum holder, 4’ pipe-thread, cable length 5m
6） Alarm output: available alarm setting for conductivity or TDS. When the measurement reading exceeds the setting value, a relay will be functioned.
7） Current Output: DC 4-20mA output, optional according to user’s requirement
8） RS-232C interface: available RS-232C access to devices complied with the interface such as computers, printers （DY-301B） to print out measurement data.
9） Real time clock: real time clock function supports the continuously changing printing time to be recorded.
10） Power supply: 220 VAC or 24 VDC, to be confirmed by customers when replace orders
11） Dimensions: frame dimension: 96×96 （mm）, panel dimension: 91×91 （mm）, depth: 95 （mm）
12） Testing standard: Q/TCDP03-2000
Description:
| Display Window | Description | Display Window | Description |
| Date | Year-Month-Day | A | Conductivity reading |
| Time | Hour-Minute | C= | Electrode constant reading |
| Save | Factory setting based | B | TDS |
| Reset at zero | Factory setting based | ppm | Unit of TDS |
| Exceed | Alarm Symbol | µS/cm | Unit of conductivity |
| 4mA | Display “4mA” | Maximum value to alarm | Setting of maximum value to alarm |
| 20mA | Display “20mA” | Minimum vlaue to alarm | Setting of minimum value to alarm |
| Electrode coefficent | Display the electrode coefficent | Temperature compensation | Compensation coefficent |