Les capteurs PH comprennent plusieurs modèles personnalisés pour l'eau de mer, HF, désulfuration, eau pure, etc. Adoptez le double pont salin et la conception IP68, soutenez les sondes de température optionnelles, avec la haute précision et la jonction liquide antiblocage pour la surveillance de l'eau industrielle diversifiée.
Custom models for pure water, seawater, HF, desulfurization, high temp & organic solvent
Double salt bridge solid junction, anti-clogging, no electrolyte refilling
±0.05pH precision, optional NTC/PT probes for auto temp compensation
PP/PPS housing, IP68 waterproof, max 0.6MPa pressure, -20~130℃ range
NPT3/4 thread, low-noise cable extendable up to 100m
Standard buffer & on-site sample calibration, compatible with pH meters and PLC
| Product Name | Online PH/ORP Meter |
| Measurement Range | pH: 0-14.00; ORP: -2000~+2000mV; Temperature: 0-150℃ (depending on the electrode) |
| Measurement Accuracy | pH: ±0.05pH; ORP: ±5mV; Temperature: ±0.3℃ |
| Temperature Compensation | Automatic or Manual |
| Resolution | pH: 0.01pH; ORP: 1mV; Temperature: 0.1℃ |
| Stability | pH: ≤0.02pH/24h; ORP: ≤2mV/24h |
| Relay | 2 sets, 5A 240VAC/5A 28VDC or 120VAC |
| Power Supply | 85 ~ 265VAC or 9 ~ 36VDC, Power: ≤3W |
| Current Output | Standard: 1 channel 4-20mA; Optional: 2 channels |
| Communication Output | Standard: RS485 Modbus RTU |
| Overall Dimensions | 98*98*130mm |
| Panel Cutout Dimensions | 93*93mm |
| Protection Class | IP65 |
| Installation Method | Panel mounting / Cabinet mounting / Embedded or Wall mounting |
| Instrument Weight | 0.6kg |
| Ambient Temperature | -10 ~ 60℃; Relative Humidity: ≤90%; No strong magnetic field interference around except for the Earth's magnetic field |
| Model No. | CS1701 | CS1728 | CS1729 | CS1745C/CS1745CT | CS1753C | CS1778 | CS1788 | CS1797 |
| Measure material | PP+GF | Antimony | ||||||
| pH zero point | 7.00 ± 0.25pH | 7.00 ± 0.25pH | 7.00 ± 0.25pH | 7.00 ± 0.25pH | 7.00 ± 0.25pH | 7.00 ± 0.25pH | 7.00 ± 0.25pH | 7.00 ± 0.25pH |
| Reference system | Ag/AgCl/KCl | SNEX Ag/AgCl/KCl | SNEX(Blue) Ag/AgCl/KCl | Ag / AgCL | Ag / AgCL | SNEX Ag/AgCl/KCl | SNEX Ag/AgCl/KCl | SNEX(yellow) Ag/AgCl/KCl |
| Electrolyte solution | 3.3M KCl | 3.3M KCl | 3.3M KCl | KCL | 3.3M KCl | 3.3M KCl | Saturated LiCl solution | |
| Membrane resistance | <500MΩ | <500MΩ | <500MΩ | <800M Ω | <800M Ω | <600MΩ | <600MΩ | <500MΩ |
| Housing material | PP | PP | PP | PPS | PP+GF | PP | PP | PP |
| Liquid junction | Ceramic cores | SNEX | SNEX | porous ceramics | Porous ceramic | SNEX | SNEX | SNEX |
| Waterproof grade | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
| Measurement range | 2-12pH | 0-14pH | 0-14pH | 0-14pH | 0-14pH | 0-14pH | 2-12pH | 0-14pH |
| Accuracy | ± 0.05pH | ± 0.05pH | ± 0.05pH | ± 0.05pH | ± 0.05pH | ± 0.05pH | ± 0.05pH | ± 0.05pH |
| Pressure resistance | ≤0.3Mpa | ≤0.6Mpa | ≤0.6Mpa | 0-0.6MPa | 0-0.6MPa | ≤0.6Mpa | ≤0.6Mpa | ≤0.6Mpa |
| Temperature compensation | NTC10K,PT100,PT1000 (Optional) | NTC10K,PT100,PT1000 (Optional) | NTC10K,PT100,PT1000 (Optional) | CS1745C: no CS1745CT: PT1000 | NTC10K/NTC2.2K/PT100/PT1000 | NTC10K,PT100,PT1000 (Optional) | NTC10K, PT100, PT1000 (Optional) | NTC10K, PT100, PT1000 (Optional) |
| Temperature range | 0-80℃ | 0-80℃ | 0-80℃ | -20-130℃ | 0-80℃ | 0-80℃ | 0-80℃ | 0-80℃ |
| Calibration | Sample calibration, standard liquid calibration | Sample calibration, standard liquid calibration | Sample calibration, standard liquid calibration | Sample calibration, standard liquid calibration | Sample calibration, standard liquid calibration | Sample calibration, standard liquid calibration | Sample calibration, standard liquid calibration | Sample calibration, standard liquid calibration |
| Double Junction | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Cable length | Standard 5m cable, can be extended to 100m | Standard 5m cable, can be extended to 100m | Standard 10m cable, can be extended to 100m | 10m or agreed | 10m or as agreed | Standard 10m cable, can be extended to 100m | Standard 10m cable, can be extended to 100m | Standard 10m cable, can be extended to 100m |
| Installation thread | NPT3/4" | NPT3/4" | NPT3/4" | NPT 3 / 4 " | Bottom NPT3/4, Top G3/4 | NPT3/4" | NPT3/4" | NPT3/4" |
| Application | Common water quality | Hydrofluoric acid environment, HF<1000PPM | Sea water | High temp environment | Suitable for strong acids, strong bases, and industrial processes | Flue gas desulfurization environment | Pure water, low Ion concentration environment. | Organic Solvent and Non-aqueous Environment. |
| Cable connector | pin, BNC, or convention | Pin, BNC or as agreed |




