The PH Controller MEJ-MDC-P2 Dual Channel Universal Controller is an excellent pH control device that supports dual channel independent control and can simultaneously monitor and adjust the acidity and alkalinity of two sets of solutions, greatly improving control efficiency.
Characteristics:
Measuring ranges:pH/Antimony：(-2.00 ~ 16.00) pH ORP：(-2000 ~ 2000) mV
Temperature types:NTC10K ，Pt1000 ，Pt100
Temperature range:(-10~130)℃
Accuracy:pH：±0.02pH/Antimony：±0.2pH/ORP：±2mV
Measured variables:pH/ORP/Conductivity/Dissolved Oxygen/Turbidity/Sludge Concentration/Inductive Conductivity/ResidualChlorine/Ammonia nitrogen/Nitrate nitrogen/COD, etc.
Intro to PH Controller MEJ-MDC-P2 Dual Channel Universal Controller
The PH Controller MEJ-MDC-P2 Dual Channel Universal Controller, as a professional PH controller, integrates multiple practical functions and advanced technologies. Here is its introduction:
The PH Controller MEJ-MDC-P2 Dual Channel Universal Controller is an excellent pH control device that supports dual channel independent control and can simultaneously monitor and adjust the acidity and alkalinity of two sets of solutions, greatly improving control efficiency.
It has high-precision sensors that can accurately capture changes in pH value, combined with intelligent algorithms to achieve fast response and stable regulation.
This controller provides multiple signal output methods, making it easy to integrate with various devices. It also has an intuitive operation interface and display screen, making it convenient for users to view data and set parameters in real time.
In addition, it has a comprehensive alarm function, which promptly issues an alarm when the pH value exceeds the preset range, ensuring the safe and stable operation of the process flow.
It is widely used in water quality control scenarios in multiple fields such as chemical engineering, environmental protection, and pharmaceuticals.
| 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 |
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Component workshop
Calibration workshop
Product verification
