Sepctification
| Analog sensor input |
| Measured variables |
pH / ORP / Antimony |
| Measuring ranges |
pH/Antimony：(-2.00 ~ 16.00) pH ORP：(-2000 ~ 2000) mV |
| Input impedance |
≥1012Ω |
| Temperature types |
NTC10K ，Pt1000 ，Pt100 |
| Temperature range |
(-10~130)℃ |
| Accuracy |
pH：±0.02pH |
| Antimony：±0.2pH |
| ORP：±2mV |
| NTC10K：(-10~60)℃, accuracy: ±0.3℃ (60~130)℃, accuracy: ±2℃ |
| Pt1000 accuracy: ±0.3℃ |
| Pt100 accuracy: ±0.3℃ |
| Resolution |
pH/Antimony：0.01pH； ORP：1mV |
| Repeatability |
0.02pH |
| Temperature compensation |
Manual compensation; |
| Automatic compensation: Linear, Acid, Base, Pure |
| Digital sensor input |
| Measured variables |
pH/ORP/Conductivity/Dissolved Oxygen/Turbidity/Sludge Concentration/Inductive Conductivity/Residual |
| Chlorine/Ammonia nitrogen/Nitrate nitrogen/COD, etc. |
| |
pH: (0.00 ~ 14.00) pH |
| Measuring ranges |
ORP: (-2000 ~ 2000) mV |
| Dissolved oxygen: (0～40) mg/L |
| Saturation: (0～200)% |
| Conductivity: (0～500) mS/cm |
| Turbidity: (0～4000) NTU |
| Sludge concentration: (0～120000) mg/L |
| Inductive conductivity: (0～2000) mS/cm |
| Residual chlorine: (0~ 100) mg/L |
| Ammonia nitrogen: (0~ 1000) mg/L |
| Nitrate nitrogen: (0~ 1000) mg/L |
| COD: (0~ 1500) mg/L |
| Note: Actual measurement ranges should refer to the technical data of the connected sensors. |
| Output |
| |
Isolated,2-channel (0/4~20) mA configurable to corresponding measurement ranges, load capacity 750Ω,output accuracy ±0.1%FS,compliant with NAMUR NE 43 |
| Current output |
| |
standards. |
| Communication output |
Isolated, RS485 interface,Modbus-RTU communicationprotocol. |
| Alarm output |
3-channel SPST (2 alarms + 1 cleaning), NO/NC type, capacity 250VAC, 5A. |
| Alarm relay delay |
0~9999 seconds, adjustable. |
| Electrical specifications |
| Power supply |
AC：(85~265)V，50/60Hz |
| DC：(21.6~26.4) V |
| Power consumption |
≤28W |
| Cable entries |
M20*1.5 cable gland |
| Cable specification |
Spring terminals: suitable for AWG16~AWG24（0.2mm2~ 1.5mm2 ）cables； |
| Plug-in terminals: suitable for AWG12~AWG28（1mm2~ 2.5mm2 ）cables； |
| Environment |
| Operating environment |
Temperature：(0 ~ 60)℃ |
| Relative Humidity：10 %~85%（ non-condensing） |
| Storage environment |
Temperature：(-15~65)℃ |
| Relative Humidity：5%~95%（non-condensing） |
| Altitude ：<2000m |
| Ingress protection |
IP66 |
| Flame Retardancy |
UL94V-0 |
Benefits
- Versatile controller eliminates the need for multiple specialized controllers and automatically recognizes digital sensors for plug-and-play convenience.
- IP66 ingress protection, suitable for more complex working conditions.
- Dual-channel design allows connection of one or two sensors, reducing user costs and providing a cost-effective solution for adding a second sensor in the future.
- Optional NB-IoT wireless communication and mobile APP for real-time data viewing.
- Power ground and signal ground design enhances anti-interference capabilities.
- 4.3-inch full-view color screen, with quick switching between digital display and real-time curve modes, facilitates monitoring of data fluctuations.
- Optoelectronic isolation (0/4~20) mA transmission output with strong interference resistance, high precision output circuit design, achieves 0.1% accuracy, and complies with the NAMUR NE43 international technical standard.
- Features manual and automatic temperature compensation, including linear, pure water, acid, and alkali solution compensation, adaptable to more conditions.
- pH electrode health self-diagnostic alert function advises users on the electrode condition post-maintenance, helping to optimize maintenance actions.
- Current simulation function enhances the maintainability of the instrument.
- Optoelectronic isolated RS485 communication.
- Storage for up to 500,000 data records.
- High and low alarm functions, hysteresis amount and hysteresis time are adjustable.
- Supports four languages: Chinese, English, Spanish, and Korean, offering more language options.
- Rack-mounted and wall-mounted installation methods available, providing flexible installation options.
Field of application
MDC-P2 controller can measure a variety of parameters including pH, ORP, conductivity, dissolved oxygen, turbidity, sludge concentration, residual chlorine, ammonia nitrogen, nitrate nitrogen, COD, and more. Its continuous monitoring data can be transmitted to a DCS system via output transmission or communicated with a computer using the Modbus-RTU protocol via RS485 interface for remote monitoring and logging. It can also control cleaning systems or pumps. The controller offers an optional NB-IoT wireless transmission module,users can access real-time site conditions on mobile devices.
