Complaint
Features& Advantages
Universal controller specially designed for DRFN digital series dissolved oxygen sensors,
compatible with all DRFN digital dissolved oxygen sensors including fluorescence and polarography.
The controller has the function of automatic compensation for air pressure display.
Configure OTA download technology (Over-the-Air Technology) as a smart configuration option for the instrument.
Specification Of Digital PH Meter
| Model | DUC2-DO-H-A | |
| Software version | DRFN DO Analysis software V1.0 | |
| Sensor input | Compatible with all DRFN's DO Digital Sensors | |
| Display range | DO Concentration | Controller display range, dissolved oxygen concentration 0-50mg/L (or ppm), display unit can be switched |
| Saturation | 0-400% | |
| TEMP | -10~500ºC /14~932ºF | |
| Atmospheric pressure | 30-120kpa | |
| Resolution | DO Concentration | 0.01 mg/L(or ppm) |
| Saturation | 1% | |
| TEMP | 0.1ºC/ 0.1ºF | |
| Salinity compensation range | Input range0.0001-99999ppt | |
| Relay control | 2 settable SPST relays with a maximum load of 3A/250VAC | |
| Analog current output | 2 settable 0/4~20mA active current loop output, max load 1000Ω | |
| Communication method | RS485 interface; MODBUS RTU;support JSON text data format | |
| OTA | -- | |
| Display screen | 128*64 LCD, adjustable backlight mode, adjustable display rate | |
| Configuration information | Power off protection, parameters are retained indefinitely | |
| Time history/data record | Year/month/day/hour/min/second, record 14000 historical data, record interval can be set between 1~999 minutes | |
| Maintenance records | Last 100 | |
| Operating environment | 0~60ºC,relative humidity less than 95% RH( no condensation) | |
| Storage environment | -20~70ºC,relative humidity less than 55% RH( no condensation, precision instruments) | |
| Shell material | Enhanced ABS protection grade IP66 | |
| Size | Instrument size 144*144*120 mm | |
| Mounting method | Wall mounting, pipe clamping, panel (hole size 138*138 mm) | |
| Electrical interface | The back end of the instrument reserved 3 M12*1.5 Gram head, line diameter 3~6.5 mm | |
| Power supply | 100~240VAC | |
| Power consumption | About 7W | |
| Weight | About 800g | |
