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Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784

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Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784

Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784
Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784 Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784 Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784 Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784

Large Image :  Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784 Get Best Price

Product Details:
Place of Origin: DE
Brand Name: Endress+Hauser
Certification: ATEX
Model Number: COY31-Z
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
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Detailed Product Description
Power Supply: 1 Ambient Temperature: -
Electrical Rating: G Certifications: S
Highlight:

Endress+Hauser COY31-Z DO sensor kit

,

Oxymax COS31/COS41 service kit

,

E&H Instruments DO sensor replacement

Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784

Endress+Hauser COY31-Z maintenance kit for Oxymax W COS31 & COS41 dissolved oxygen sensors. Includes membrane caps, electrolyte, seals. Order no. 51506784.

Product Overview

The Endress+Hauser COY31-Z​ is a maintenance and spare parts kit​ specifically designed for Oxymax W COS31 and COS41 series​ of amperometric dissolved oxygen sensors. This kit contains all the necessary consumables (membrane caps, electrolyte, O-rings, polishing sheets) required for the routine servicing and recalibration​ of these sensors to ensure long-term measurement accuracy and stability in water and wastewater applications.

Technical Specifications (Kit Contents)

Parameter

Specification

Model / Order Code​

COY31-Z​

E+H Article Number​

51506784​

Compatible Sensors​

Oxymax W COS31, Oxymax W COS41​

Membrane Cap Type​

Standard Response (COY31-WP)

Included Items​

Membrane Caps, Electrolyte, Sealing Rings, Polishing Sheets

Technical Specifications (Application & Use)

Parameter

Specification

Product Type​

Consumables / Service Kit

Primary Use​

Sensor Membrane & Electrolyte Replacement

Response Type​

Standard (for general-purpose DO measurement)

Fast-Response Variant​

COY31-S-Z (Separate Kit)

Key Features

  • Complete Service Kit:​ Provides a full set of consumables for one or multiple maintenance cycles, including COY31-WP replacement membrane cartridges, COY3-F electrolyte solution, COY31-OR Viton sealing rings, and COY3-PF cathode polishing sheets.

  • Standard Response Design:​ The included membrane caps are optimized for standard response time, suitable for most continuous monitoring applications in municipal and industrial wastewater.

  • Genuine OEM Compatibility:​ Ensures perfect fit and performance with COS31​ (3-electrode) and COS41​ (2-electrode) dissolved oxygen sensors, maintaining factory calibration integrity.

  • Maintenance Efficiency:​ Bundles all necessary items for a complete sensor service, reducing downtime and ensuring consistent dissolved oxygen measurement quality.

Applications

  • Wastewater Treatment:​ Routine maintenance of DO sensors in aeration basins for biological treatment process control.

  • Water Quality Monitoring:​ Servicing of sensors used in rivers, lakes, and effluent monitoring stations.

  • Aquaculture & Fish Farming:​ Upkeep of sensors monitoring oxygen levels in fish ponds and hatcheries.

  • Industrial Process Water:​ Maintenance of DO probes in cooling water systems and boiler feedwater analysis.

Endress+Hauser COY31-Z | Oxymax COS31/COS41 DO Sensor Service Kit, 51506784 0

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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.

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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

H
Hassan
Pakistan May 18.2026
Helpful (1)
Great HART transmitter, stable readings and easy to integrate.
A
Ali
United Arab Emirates May 8.2026
Helpful (1)
This pressure transmitter delivers accurate, stable readings.
A
Ali Khan
Pakistan May 7.2026
Helpful (4)
This Endress+Hauser PMD75 is accurate and works perfectly!
Tag:

e&h instruments,

e and h flow meter,

e&h flow meter

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