Complaint
Features& Advantages
3.2-inch large LCD screen
User-friendly Chinese and English language interface
Password can be set to prevent misoperation
2 SPST multi-function and settable relays
0/4~20mA active current loop output
RS485 interface, Modbus RTU communication protocol
Shortcut button helps you perform daily maintenance quickly
Provides AC and DC power supply modes, both of which are wide voltage power supply
IP66 waterproof level, sealed enclosure can isolate pollution and corrosive gas
Support a variety of installation methods, can be applied to more different installation environment
Specification Of Digital PH Meter
| Model | DDS2-CL3A | DDS2-CL3D | DDS2-CL4A | DDS2-CL4D |
| Software Version | DRFN DO Analysis software V1.0 | |||
| Sensor Input | Compatible with all DRFN's DO Digital Sensors | |||
| Measuring range | 0.01mg/L~100g/L | |||
| Resolution | 0.01mg/L | |||
| Relay Control | 2 settable SPST relays with a maximum load of 3A/250VAC | |||
| Analog Current Output | 2 settable 0/4~20mA current outputs, max load 1000Ω | |||
| Communication Method | RS485 interface MODBUS RTU Support JSON text data format | |||
| OTA | -- | -- | Default WIFI | Default WIFI |
| Display Screen | 128*64 LCD, adjustable backlight mode, adjustable display rate | |||
| Configuration Information | Power off protection, parameters are retained indefinitely | |||
| Time/Data Record | Record 14000 historical data Record interval can be set between 1~999 minutes | |||
| Maintenance Records | Last 100 | |||
| Operating Temperature | 0~60ºC,RH<95% ( no condensation) | |||
| Storage Temperature | -20~70ºC, RH<55% ( no condensation, precision instruments) | |||
| Shell Material | Enhanced ABS | |||
| Protection Grade | IP66 | |||
| Dimension | 144*144*120 mm | |||
| Mounting Method | Wall mounting, pipe clamping, panel (hole size 138*138 mm) | |||
| Electrical Interface | The back end reserved 3 M12*1.5 Gram head, line diameter 3~6.5 mm | |||
| Power Supply | 100~240VAC | 18~36VDC | 100~240VAC | 18~36VDC |
| Power Consumption | About 7W | |||
| Weight | About 800g | |||
