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pH /ORP Transmitting Controller
Widely used for online monitoring pH / ORP in environment protection water treatment, pure water treatment, industrial process , aquaculture industry etc.
Parameter:
| Model | pH/ORP-7500/A | ||
| Measurement range | pH | 0.00 ～ 14.00 | |
| ORP | -1999mV～ +1999mV | ||
| Temp. | 0.0 ～ 99.9℃（Temp.Compensation component:NTC10K） | ||
| Resolution | pH | 0.01 | |
| ORP | 1 mV | ||
| Temp. | 0.1℃ | ||
| Accuracy | pH | 0.1level | |
| ORP | ≤±5mV(electronic unit) | ||
| Temp. | ±0.5℃ | ||
| Approximate input impedance | 3*1011Ω | ||
| Buffer solution | pH value 10.00;9.18;7.00;6.86;4.00;4.01 | ||
| Medium Temp. compensation range | 0～ 99.9℃（with 25℃ as standard）Manual and automatic temperature compensation for selection | ||
| (4～20)mA | Channels | Single Channels | |
| Characteristics | isolated, fully adjustable, reversible,instrument / transmission mode for selection | ||
| Loop resistance | 500Ω(max)，DC24V | ||
| Accuracy | ±0.1mA | ||
| Control contacts | Relay contacts | SPDT Hi/Low limit and hysteresis setting | |
| Load capacity | AC220V/AC110V 2A(max);DC24V 2A(max) | ||
| Power supply | DC24V±4 V | ||
| Power consumption | <4W | ||
| Working environment | Temperature | 0～50℃ | |
| Relative Humidity | ≤85%RH（none condensation） | ||
| Storage environment | Temp.:（-20～60）℃；relative humidity：≤85%RH（none condensation） | ||
| Dimension | 96mm×96mm×105mm（H×W×D） | ||
| Hole size | 91(H)mm×91(W)mm | ||
| Installation | Panel mounted,fast installation | ||
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