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.
| Analog Sensor Input | |
|---|---|
| Measured Variables | pH / ORP / Antimony |
| Measuring Ranges |
pH/Antimony: (-2.00 ~ 16.00) pH ORP: (-2000 ~ 2000) mV |
| Input Impedance | ≥10¹² Ω |
| Temperature Types | NTC10K, Pt1000, Pt100 |
| Temperature Range | (-10 ~ 130) ℃ |
| Accuracy | pH: ±0.02 pH |
| Antimony: ±0.2 pH | |
| ORP: ±2 mV | |
| NTC10K: (-10 ~ 60) ℃ Accuracy ±0.3 ℃, (60 ~ 130) ℃ Accuracy ±2 ℃ | |
| Pt1000 Accuracy: ±0.3 ℃ | |
| Pt100 Accuracy: ±0.3 ℃ | |
| Resolution | pH/Antimony: 0.01 pH; ORP: 1 mV |
| Repeatability | 0.02 pH |
| 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. | |
| Measuring Ranges | pH: (0.00 ~ 14.00) pH |
| 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 | |
| Current 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 standards. |
| Communication Output | Isolated RS485 interface, Modbus-RTU communication protocol. |
| 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 (0.2 mm² ~ 1.5 mm²) cables. |
| Plug-in terminals suitable for AWG12 ~ AWG28 (1 mm² ~ 2.5 mm²) 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 |
General Information DO7012 Optical type dissolved oxygen sensor, an intelligent online chemical analyzer. The cap
