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Endress+Hauser CPF81E-AA5LAD1 | Digital pH Electrode, 0-14 pH, NPT 3/4"

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China Achievers Automation Limited certification
China Achievers Automation Limited certification
"ACH has proven to be a reliable partner. Their products are genuine and high-quality, with competitive prices and on-time delivery. We trust them as our long-term supplier in automation."

—— Mohammed Al-Farsi, Procurement

"For us, cost efficiency and authenticity are key. ACH helps reduce expenses while ensuring reliable quality and timely supply, making them a strong partner in our operations."

—— Procurement Manager

"For us, cost efficiency and authenticity are key. ACH helps reduce expenses while ensuring reliable quality and timely supply, making them a strong partner in our operations."

—— Supply Chain Director

"ACH offers quick response, flexible solutions, and fair pricing. The products are always genuine and reliable, and their friendly support makes cooperation smooth."

—— Operations Manager

"ACH provides genuine products with stable quality and fair pricing. Their fast response and reliable delivery give us confidence to continue working with them."

—— Engineering Manager

"We value ACH for their consistent quality and competitive pricing. Deliveries are always reliable, and their professional support makes procurement much easier for our team."

—— Procurement Head

Endress+Hauser CPF81E-AA5LAD1 | Digital pH Electrode, 0-14 pH, NPT 3/4"

Endress+Hauser CPF81E-AA5LAD1 | Digital pH Electrode, 0-14 pH, NPT 3/4"
Endress+Hauser CPF81E-AA5LAD1 | Digital pH Electrode, 0-14 pH, NPT 3/4" Endress+Hauser CPF81E-AA5LAD1 | Digital pH Electrode, 0-14 pH, NPT 3/4" Endress+Hauser CPF81E-AA5LAD1 | Digital pH Electrode, 0-14 pH, NPT 3/4" Endress+Hauser CPF81E-AA5LAD1 | Digital pH Electrode, 0-14 pH, NPT 3/4"

Large Image :  Endress+Hauser CPF81E-AA5LAD1 | Digital pH Electrode, 0-14 pH, NPT 3/4" Get Best Price

Product Details:
Place of Origin: US
Brand Name: Endress+Hauser
Certification: ATEX
Model Number: CPF81E-AA5LAD1
Document: ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: carton
Delivery Time: Negotiable
Payment Terms: T/T,XT,ALIPAY
Supply Ability: 100pcs per month
Detailed Product Description
Power Supply: 1 Ambient Temperature: -
Electrical Rating: G Certifications: S
Highlight:

digital pH electrode 0-14 range

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NPT 3/4 pH sensor

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Endress+Hauser CPF81E industrial electrode

Endress+Hauser CPF81E-AA5LAD1 | Digital pH Electrode, 0-14 pH, NPT 3/4"

Endress+Hauser CPF81E-AA5LAD1 digital pH sensor. Memosens 2.0 technology, 0-14 pH range, NTC 30k, PTFE diaphragm, IP68, for harsh water & wastewater.

Product Overview

The Endress+Hauser CPF81E-AA5LAD1​ is a digital pH glass electrode​ from the Memosens CPF81E series. It features Memosens 2.0 digital technology​ for contactless signal transmission and lab calibration. Designed for harsh environments, it offers a 0–14 pH measuring range, integrated NTC 30k temperature sensor, and a PTFE ring diaphragm​ for resistance to fouling and poisoning ions.

Technical Specifications (Measurement & Electrical)

Parameter

Specification

Model / Order Code

CPF81E-AA5LAD1

Measuring Principle

Potentiometric (pH Glass Electrode)

Measuring Range

0 ... 14 pH

Technology

Memosens 2.0​ (Digital, Inductive)

Reference System

Ag/AgCl, Gel, Double Chamber (KNO₃ bridge)

Junction / Diaphragm

PTFE Ring Diaphragm

Temperature Sensor

NTC 30 kΩ​ (Integrated)

Connection

Memosens Inductive Plug (C8Y)

Technical Specifications (Mechanical & Process)

Parameter

Specification

Housing Material

PPS Plastic

Process Connection

NPT ¾"​ (Male Thread)

Immersion Length

~150 mm (with Protection Guard)

Process Temperature

0 ... 110 °C​ (L Version)

Process Pressure

0.8 ... 11 bar (abs)

Protection Rating

IP68​ (Submersible)

Application Class

Standard / Non-Hazardous Area (AA)

Key Features

  • Memosens 2.0 Digital:​ Inductive coupling eliminates moisture issues and stores calibration data in the sensor head for predictive maintenance.

  • Anti-Poisoning Design:Double-chamber reference​ with KNO₃ electrolyte​ provides high resistance to sulfide (S²⁻) and cyanide (CN⁻) poisoning.

  • Robust Construction:PPS housing​ and PTFE diaphragm​ ensure long-term stability in abrasive and chemically aggressive media.

  • Plug & Play:​ Pre-calibration capability allows lab calibration and quick sensor replacement without on-site recalibration.

Applications

  • Wastewater Treatment:​ pH monitoring in inlet, neutralization, and outlet stages.

  • Industrial Water:​ Cooling water, boiler feedwater, and chemical process control.

  • Mining & Minerals:​ Flotation processes and leaching applications with abrasive slurries.

About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL  to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

ACH industrial automation products
Frequently Ask & Questions
Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

S
Siti Aisyah
Indonesia May 22.2026
Reliable, accurate, works great for industrial use!
A
Ahmad Al Ali
United Arab Emirates May 22.2026
High quality Endress+Hauser, fast shipping!
P
Priya Mehta
India May 20.2026
Great quality, fast shipping, works flawlessly!
Contact Details
Achievers Automation Limited

Contact Person: sales2

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