PH3500
Except for Consumable Electrodes, The Body Is Guar
1 Years
Digital
Non Portable
Food Analysis, Medical Research, Biochemistry
CE
-2.00-16.00 pH
0.01 pH
±0.01 pH
Two 4-20 Ma (Corresponding Range Can Be Set)
2 Spst Relays
CLEAN
270*190*150
(H× W× D) 108× 108× 132 mm
China
3122443543
Product Description
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 interfaceDigital 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 HF environment
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 ºC |
Resolution | 0.1 ºC | |
Accuracy | ±0.3 ºC | |
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. |

