PH3500 Controller / Transmitter
PH3500 pH / ORP Transmitter
It is suitable for accurate measurement of pH and redox potential in harsh climate and
complex industrial environment.
●128*64 dot matrix LCD display, switchable between Chinese and English, IP65 protection level, reliable operation in any climate
●Concise menu design, simple and convenient operation, graphical prompt, beautiful and clear interface
●Digital filter is adjustable, and the hardware anti-interference ability is enhanced, which makes the measurement more stable and adapts to the complex industrial environment
●Power supply 85~260VAC, DC 18~36VDC can also be customized
●RS-485 digital interface, MODBUS - RTU communication protocol, read-write duplex communication, which can realize complete remote control of the instrument
●Two measurement functions: PH measurement or ORP ( Redox ) measurement
●With antimony electrode function, it can be used in hydrofluoric acid environment
●Concise menu design, simple and convenient operation, graphical prompt, beautiful and clear interface
●Digital filter is adjustable, and the hardware anti-interference ability is enhanced, which makes the measurement more stable and adapts to the complex industrial environment
●Power supply 85~260VAC, DC 18~36VDC can also be customized
●RS-485 digital interface, MODBUS - RTU communication protocol, read-write duplex communication, which can realize complete remote control of the instrument
●Two measurement functions: PH measurement or ORP ( Redox ) measurement
●With antimony electrode function, it can be used in hydrofluoric acid environment
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| Industrial process | Boiler water | Circulating water | Cooling Water |
| pH | range | -2.00～16.00 pH |
| Resolution | 0.01 pH | |
| Accuracy | ±0.01 pH | |
| Input resistance | ≥1012 Ω | |
| ORP | range | -2000～2000 mV |
| Resolution | 1 mV | |
| Accuracy | ±1 mV | |
| TEMP | range | -10.0～130.0 ℃ |
| Resolution | 0.1 ℃ | |
| Accuracy | ±0.3 ℃ | |
| Input type | PT1000 | |
| TEMP compensation | Automatic/Manual | |
| Transmission current | Output type | Two 4～20 mA (Corresponding range can be set) |
| Accuracy | ±1%FS | |
| Output load | Less than 500 Ω | |
| Relay control | Function relay | 1 （Can be set as cleaning or alarm function） |
| Switch relay | 2 SPST relays | |
| load capacity | 2.5A 230VAC | |
| data transmission | Transmission interface | 1 RS485 Isolation voltage 2500Vrms |
| Protocol | MODBUS-RTU (Read and write duplex communication) | |
| Other parameters | Power supply | 85～260VAC or 18～36VDC（User can order） |
| Operating temperature | 0～60°C | |
| Working humidity | Relative humidity < 90% | |
| Protection level | IP65 | |
| Installation method | Dial installation | |
| Dimensions | (H×W×D) 108×108×132 mm | |
| Hole Size | 92.5×92.5 mm（Positive tolerance） |
| Model | Specification | images |
| PH3500 | pH/ORP Controller/Transmitter | |
| CS1540 pH sensor | Versatile anti- poison Environmental waste water pH sensor |  |
| CS1543 pH sensor | Pure water, tap water, surface water and waste water |  |
| CS1549 pH sensor | High Temperature |  |
| CS1668 pH combination sensor | Sludge, Viscous Fluids Protein, hydrogen sulfide, Cold Low Ionic Water Silicates, Chromates, Cyanide, Sea water, Brine, Mining, Petrochemical, liquefied natural gas. |  |
| CS1568 SNEX pH sensor | Sludge, Viscous Fluids Protein, hydrogen sulfide, Cold Low Ionic Water Silicates, Chromates, Cyanide, Sea water, Brine, Mining, Petrochemical, liquefied natural gas. |  |
| CS1768 pH combination sensor | Designed for Harsh Industrial environment Sludge, Viscous Fluids Protein, hydrogen sulfide, Cold Low Ionic Water Silicates, Chromates, Cyanide, Sea water, Brine, Mining, Petrochemical, liquefied natural gas. |  |
| CS1778 pH combination sensor | Designed for flue gas desulfurization Traditional porous-liquid-junction pH sensors easy to be failured by reference electrode coating and contamination or fine particle clogging, poisoning. | |
| CS1788 pH combination sensor | Designed for Ultra-pure Water/ Low ion concentration The red SNEX solid-state reference electrode system sustained releases potassium ion and chlorine ion, in addition to two sets of reference electrolyte permeability pores ensure stable and reliable readings. |  |
| CS1628 resistant to HF pH sensor | HF concentration＜1000ppm |  |
| CS1637 pH antimony sensor | HF concentration＞1000ppm |  |
| CS1728 resistant to HF pH sensor | HF concentration＜1000ppm |  |
| CS1737 pH antimony sensor | HF concentration＞1000ppm |  |
| CS1733 pH sensor | General purpose |  |
| CS1753 pH sensor | Process pH sensor with temperature compensation and connect to ground. |  |
| CS2543 General purpose Platnium ORP sensor | General Purpose |  |
| CS2733 Platinum ORP sensor | General Purpose |  |
| CS2753 ORP sensor | Designed for strong oxidative solution |  |
| CS2628 SNEX ORP sensor | Water quality monitoring, Sea water quality monitoring, Swimming pool, Waste water |  |
| CS2668 SNEX ORP sensor | Water quality monitoring, Sea water quality monitoring, Swimming pool, Waste water |  |
| CS2768 SNEX ORP sensor | Complex Industrial environment Anti-poison, long life span ORP sensor. |  |
