100% Original 1new Endress+Hauser E+H Cps11d-7ba21 Cps11d-7bt21 Digital pH Electrode pH Sensor

• Customization: Available
• Place of Origin: Germany
• Warranty: 1 Year
• Model NO.: CPS11D-7BA21 pH Sensor
• Product Name: E+H Cps11
• Customized Support: Obm, ODM, OEM
• Measurement Range: pH 0-14
• Process Pressure: Max. 10bar (145psi)
• Material: Glass / Ceramic
• Ingres Protection: IP 68
• Process Temperature: Max. 135°c (274°f)
• Measuring Principle: Potentiometric
• Temperature Sensor: Optional with Integrated PT100
• Condition: 100% Brand New Original
• Application: Chemical Power Oil Gas Sewage Treatment
• Voltage: 220V, 380V
• Operating Temperature: According to Field Temperature
• Transport Package: Original and New
• Specification: 30*30*30
• Trademark: E+H
• Origin: Germany
• HS Code: 9033000090
• Production Capacity: 100/Month
• Package Size: 30.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Introduction of E+H CPS11D - 7BA21 pH Sensor
1. General Overview
The E+H CPS11D - 7BA21 is an all - around digital electrode used in process and environmental engineering. It can perform reliable measurements even when used in high - concentration alkaline solutions or in hazardous areas. With a design featuring low maintenance requirements and a long service life, it helps to save on electrode usage costs. It adopts Memosens digital technology, which combines high process and data integrity with easy operation. The electrode is corrosion - resistant and moisture - proof, allowing for laboratory calibration and equipment pre - maintenance .

Detailed Photos

2. Product ModelExplanation
[7]: Basic type .
[BA]: Application range - 0 - 14 pH, 0 - 135°C, 16 bar, and it can be steam - sterilized .
[2]: Measuring rod length of 120 mm .
[1]: Certified for non - explosive occasions .
3. Technical Parameters
Measurement Principle: It uses a glass electrode, specifically an integrated gel electrode with a PTFE annular diaphragm .
Measurement Range: The pH measurement range is from 0 to 14 .
Design Features:
Comes with various sensor lengths and a temperature sensor. It uses advanced gel technology and is a Memosens digital electrode .
The materials used are glass and PTFE .
External Dimensions:
Diameter: 12 mm (0.46 inch) .
Sensor rod lengths are available in 120 mm (4.68 inch), 225 mm (8.77 inch), 360 mm (14.04 inch), and 425 mm (16.57 inch) .
Process Temperature: The maximum process temperature is 135°C (274°F) .
Process Pressure: The maximum process pressure can reach 16 bar (232 psi) .
Temperature Sensor: It is equipped with an NTC 30k temperature sensor, and there is also an option for an internal Pt100 or Pt1000 temperature sensor for precise temperature compensation .
Explosion - Proof Certification: It has ATEX, FM, and CSA explosion - proof certifications .
Connection: It uses an inductive digital Memosens connector .
Protection Class: The protection class is IP68 .
Other Certifications: It provides biocompatibility SIL certification .

Product Parameters

Parameter	Specification
Model	CPS11D-7BA21
Technology	Memosens 2.0 (Digital)
Measurement Range	0-14 pH
Operating Principle	Electrochemical (Combined pH/Reference Electrode)
Housing Material	PVDF (Polyvinylidene Fluoride) or PP (Polypropylene)
Process Connection	¾" NPT Male Thread
Protection Rating	IP68 (Submersible)
Sensing Elements	Low-resistance pH glass, Pt1000 temperature sensor
Reference System	Liquid electrolyte + Pressurized ceramic junction
Accuracy	±0.1 pH (Typical, after calibration)
Response Time	< 30 s (to 95% of final value, at 25°C)
Temperature Compensation	Integrated Pt1000 (Automatic Temperature Compensation)
Breakage Detection (Optional)	Model Suffix "B" (e.g., CPS11D-7BA21B)
Temperature Range	-30°C to 130°C (-22°F to 266°F)
Pressure Limit	6 bar (87 psi) at 25°C; decreases with temperature
Storage Temperature Range	-40°C to 70°C (-40°F to 158°F)
Output Signal	Memosens Digital (Inductive Data/Power Transfer)
Cable Compatibility	Memosens PUR/FEP Cables (e.g., CYK10, CYK71)
Signal Diagnostics	Glass impedance, reference impedance, electrolyte status, temperature history, etc.
Calibration Method	Offline (via Memosens Handheld CM44P or Lab Tool)
Sensor Memory	Stores calibration data, diagnostics, ID, operating history
Electrolyte Refillable	No (Pre-filled, maintenance-free)
Cleaning Compatibility	Ultrasonic, brush, chemical (CIP/SIP)

4. Product Advantages
Robust Structure and Low Maintenance: The electrode uses an anti - fouling PTFE annular diaphragm, which gives it a strong structure. It has a long toxicity diffusion path, resulting in low maintenance requirements .
Suitability for Harsh Conditions: It can measure strongly alkaline media and can stably operate under a pressure of up to 16 bar (232 psi) .
Optional Salt Ring: There is an optional salt ring for low - conductivity measurements, such as in boiler inlets and for measuring injection water .
High - Safety Signal Transmission: The non - contact inductive signal transmission technology greatly improves process safety .
Pre - maintenance Function: It can store sensor characteristic parameters, enabling pre - maintenance. This helps to reduce process downtime, extend the sensor's service life, and lower operating costs .
Effective Temperature Compensation: With the option of an internal Pt100 or Pt1000 temperature sensor, it can achieve effective temperature compensation .
Long Service Life: The double - chamber system with metal leads and the long toxicity diffusion path contribute to a long electrode service life .
5. Application Fields
Long - term Monitoring and Limit Monitoring under Stable Conditions:
Chemical Industry: It can be used in various chemical processes where stable pH measurement is required .
Paper Industry: In the paper - making process, it helps to monitor the pH value of relevant solutions .
Power Plants: For example, in flue gas cleaners and boiler inlets, it ensures the proper pH level of water and other media .
Incineration Plants: To monitor the pH of waste - related substances during the incineration process .
Water Treatment:
Drinking Water: Ensures the pH of drinking water is within the appropriate range .
Cooling Water: Monitors the pH of cooling water in industrial systems to prevent corrosion and scaling .
Well Water: Helps to assess the quality of well water by measuring its pH .
6. Maintenance and Storage
Cleaning: If there is oil on the electrode, it can be gently wiped with cotton soaked in CCl4 or acetone. Then, it should be soaked in a 0.1 mol/L HCl solution for 12 hours and rinsed repeatedly with distilled water .
Short - term Storage: For a pH electrode that is commonly used, it can be placed in a pH 4.00 buffer solution or soaked in distilled water for a short period .
Long - term Storage: For long - term storage, it should be kept in a pH 7.00 buffer solution or placed in a box with a rubber cap 
In conclusion, the E+H CPS11D - 7BA21 pH Sensor is a reliable and high - performance product suitable for a wide range of industrial and environmental applications. Its advanced technology, robust design, and multiple advantages make it a popular choice in the market.

Company Profile

KeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales,technical services, and supporting equipment supply of specialized companies. The main products are flow meters, level meters,temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
 

Packaging & Shipping

The packaging and transportation of instrumentation in global trade hinges on a synergy of advanced materials, rigorous testing, regulatory compliance, and smart logistics. By adopting hybrid structural designs, leveraging real-time monitoring technologies, and prioritizing sustainability, exporters can ensure the safe, efficient, and cost-effective delivery of precision instruments. Continuous innovation in materials science and IoT integration will further redefine industry standards, enhancing resilience in an increasingly interconnected market.

FAQ

Q: How long will you give me the reply?
A: We will reply to you as soon as we see the information.
Q: What is the delivery time?
A: Our delivery time is within 3-7 days after we get your payment;
for large qty mass orders, the time should be confirmed again for you.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package.
Q: How about the payment terms?
A: You can choose T/T.
Q: Do you provide samples?
A: Yes, we have materials in stock to help you to get the samples as soon as we can.
Q: What is the MOQ?
A:1PC.
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.