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H18 pH Controller
● Strong anti-interference, data is not lost when the instrument is powered off
● Manual/automatic temperature compensation, online verification of test data
● Large dot matrix LCD with backlight
● Multiple output signal options available
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Product Description
Product Overview Product overview
The PH controller is an intelligent pH measurement instrument that measures the acidity and alkalinity of liquids by detecting the concentration of hydrogen ions in water through a pH electrode. It combines a glass pH electrode and a reference electrode to form a complete cell, calculating the pH value of the medium by detecting the potential difference between the cells. It enables rapid and accurate detection of pH values in liquid media in fields such as water quality, environment, and food processing. It is widely used for online monitoring of pH/ORP in power, chemical, biopharmaceutical, semiconductor, and ultra-pure water.
Performance Indicators TECHNICAL PARAMETERS
| PH | Measurement Range | -2.00~16.00PH |
| Resolution | 0.01PH | |
| Measurement Accuracy | ±0.01PH | |
| Input Impedance | ≥1012Ω | |
| ORP | Measurement Range | -2000~2000mV |
| Resolution | 1mV | |
| Measurement Accuracy | ±1mV | |
| Temperature Compensation | Compensation Range | -10.0℃~130℃ |
| Resolution | 0.1℃ | |
| Measurement Accuracy | ±0.2℃ | |
| Temperature Input | PT1000/NTC10K | |
| Temperature Compensation Mode | Manual/Automatic | |
| Current Output | PH/ORP Signal Output | 4-20mA (Adjustable) |
| Current Accuracy | ±0.05mA | |
| Output Load | ≤500Ω | |
| Relay | Load Capacity | 5A 250VAC/ 5A 30VDC |
| Data Communication | RS485 | Supports MODBUS-RTU |
| Others | Working Power Supply | 100~260VAC (Optional) |
| Working Temperature | 0~70℃ | |
| Protection Level | IP65 (Panel), with heat dissipation grid inside the box | |
| Installation Method | Panel Mounting | |
| Size | (H*W*D) 144*144*120mm | |
| Opening Size | 138*138mm | |
| Weight | 0.85kg |
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Tianjin Ling Yu Technology Co., Ltd.
Operator:86-22-58554679
Fax: 022-58285528
After-sales technical support:86-18920413023
Complaint Hotline:86-15822286986
Factory Address: No.5 Yingbin Road, Xiqing District, Tianjin
E-mail:sales@lingyukeji.com
Purchasing Department E-mail:lykj_tj@163.com
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