High temperature resistant 135℃ Analog pH electrode for pure water >5μS/cm
This robust PH sensor ASP121E boasts a broad measuring range of 0 to 14 pH, making it highly versatile. It features a low-impedance cylindrical glass membrane for rapid and stable readings. The sophisticated Ag/AgCl reference system, with a double salt bridge and KCl gel, effectively and extends the sensor's lifespan, even where traditional single-junction electrodes might fail.
Engineered for Durability and Precision
The electrode is constructed from durable glass with a unique dot-shaped ceramic frit, offering superior resistance to chemical attack.
Operating Pressure & Temperature:
Standard Environments: Operates continuously from 0°C to 80°C with pressures up to 6 bar. For high-temperature applications, it can withstand up to 100°C for less than 60 minutes with pressures up to 3 bar.
Customizable High-Temp Version: Available for continuous use up to 100°C or short-term exposure up to 135°C (under 60 minutes). This model has been rigorously tested to endure more than 40 high-temperature cycles in a clean water environment.
Key Technical Specifications:
Slope Percentage: Greater than 95% for exceptional accuracy and sensitivity.
Zero Point (E0): ±0.25 pH.
Temperature Compensation: Highly customizable with options for PT100, PT1000, or NTC10K sensors to ensure precise pH readings across
varying temperatures.
Sample Flow Rate: Optimized for flow rates between 0.001 m/s and 0.5 m/s.
Dimensions: Standard dimensions are 12mm in diameter and 120mm in length, with customizable options available.
Installation: Features a standard PG13.5 mounting thread for simple integration into existing systems.
Leads: Integral or split leads provide flexible installation options to suit your needs.
This electrode is particularly well-suited for pure water >5μS/cm applications ,it is the definitive choice for reliable and accurate pH measurement.
Specifications
| Model | ASP120E | ASP121E | ASP122E | ASP123E | ASP124E |
| Measuring Object | PH |
| Measuring Range | 0~14pH |
| Indicator Electrode | low impedance cylindrical glass membrane |
| Reference System | Ag/AgCl reference electrode, double salt bridge, KCl gel |
| Electrode Material | Glass+Dot-shaped ceramic hole | Glass+Porous tetrafluoro ring | Glass+ceramic sand core |
| Working Pressure | Medium and low temp environment: max. 0~6bar High temp environment: 0~3bar |
| Working Temp. | Medium and low temp. environment: 0~80℃, continuous work High temp. environment: 80~100℃, continuous work for less than 60 minutes Customzied as below : Medium and low temp. Env.: 0~100℃, continuous work High temp. Env.: 100~135℃, continuous work < 60 mins High temp. Env. work more than 40 times (clean water test env.) |
| Sample Flow Rate | 0.5 m/s ≥ flow velocity ≥ 0.001 m/s |
| Zero (E0) | ±0.25pH |
| SLOP% | ＞95% |
| Temperature Unit | PT100, PT1000, NTC10K customized |
| Dimension | Standard: diameter 12mm/Length 120mm (customized) |
| Installation Thread | PG13.5 |
| Tail Lead | Integral or split |
| Application | Strong acid and alkali | Normal temp. pure water >5μS/cm | Harsh industrial process* | Normal temp. desulfurization or viscous slurry | Hydrofluoric acid with concentration ≤4000ppm |
| Model | ASP125E | ASP126E | ASP127E | ASR120E | ASP128E |
| Measuring Object | PH | ORP | PH |
| Measuring Range | 0~14pH | ±2000mV | 0~14pH |
| Indicator Electrode | low impedance cylindrical glass membrane | Platinum | glass membrane |
| Reference System | Ag/AgCl reference electrode, double salt bridge, KCl gel |
| Electrode Material | Glass+ceramic sand core |
| Working Pressure | Medium and low temp environment: max. 0~6bar High temp environment: 0~3bar | max. 0~6bar |
| Working Temp. | Medium and low temp. environment: 0~80℃, continuous work High temp. environment: 80~100℃, continuous work for less than 60 minutes Customzied as below : Medium and low temp. Env.: 0~100℃, continuous work High temp. Env.: 100~135℃, continuous work < 60 mins High temp. Env. work more than 40 times (clean water test env.) | -15~80℃, continuous work |
| Sample Flow Rate | 0.5 m/s ≥ flow velocity ≥ 0.001 m/s |
| Zero (E0) | ±0.25pH |
| SLOP% | ＞95% |
| Temperature Unit | PT100, PT1000, NTC10K customized |
| Dimension | Standard: diameter 12mm/Length 120mm (customized) |
| Installation Thread | PG13.5 |
| Tail Lead | Integral or split |
| Application | Strong acid and alkali | Harsh conditions &high pollution | Fermentation process | High temp. Industrial process | Low temp. |
Features & Advantages
- Large capacity reference for extended service life
- Optional cleaning connector for underwater maintenance
- Available with PTFE protective cover and self-cleaning interface
- Self-cleaning function enhances stability, accuracy, and reliability while reducing maintenance costs
- Suit for Pure Water >5μS/Cm
The ASP121E glass pH sensor offers ultimate flexibility with custom mounting accessories for pure water environment:
- Sidewall Mounting: Ideal for large tanks and vessels
- Top Flange Mounting: Perfect for sealed reactors
- Pipe/Flow Cell Mounting: For in-line measurements
- Submersible Mounting: For open tanks and channels
- Manual Retractable Holder: Enables maintenance without process shutdown
Enhanced Durability with PTFE Sheath
The optional PTFE (Teflon) sheath. Featuring 3/4" NPT threads for easy attachment to mounting accessories, it ensures seamless integration across various applications.
Application For Pure Water >5μS/Cm
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High Temperature Resistant 135℃ Analog PH Electrode For Pure Water >5μS/Cm Images
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