Knick A405N Universal Process Analyzer / Transmitter
Discover the Knick A405N Stratos MS, a robust 4-wire universal process analyzer for reliable pH, ORP, conductivity, and oxygen measurement in demanding industrial environments.
Knick A405N Universal Process Analyzer / Transmitter
The Knick A405N, part of the Stratos MS series, is a high-performance universal process analyzer and transmitter designed for demanding industrial applications. This versatile 4-wire device provides reliable and precise measurement of pH, ORP, conductivity (both conductive and inductive), and oxygen. Featuring a robust IP67-rated enclosure, it is built to withstand harsh environments in chemical processing, water treatment, and power generation. The A405N is equipped with a high-contrast LCD display and an intuitive keypad for easy operation, configuration, and calibration. It supports both digital Memosens and traditional analog sensors, offering flexibility and seamless integration into existing process control systems.
Technical Specifications:
- Measured Parameters: pH, ORP, Conductivity (Conductive/Inductive), Oxygen (Amperometric)
- Power Supply: Wide range 20…253 V AC/DC (4-wire)
- Outputs: Two 0/4…20 mA analog outputs, galvanically isolated; Alarm relays
- Enclosure Protection: IP67 rated, PBT-GF20 material
- Display: High-contrast, backlit LCD with clear text and icons
- Sensor Compatibility: Digital Memosens sensors and analog sensors

| Brand | Knick |
|---|---|
| Model | A405N |
GENERAL DELIVERY INFORMATION
Thank you for visiting and shopping at www.zxanhyd.com. Following are the terms and conditions for the Shipping Policy for ZXAN Hydraulic.
Orders will be processed and shipping during standard working hours (0830 – 1730 BST) Monday to Friday (excluding Bank Holidays)., are processed and despatched on the same business day. If we are experiencing a high volume of orders, shipments may be delayed by 1-2 Days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.
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We use some of the top carrier companies in the world, although you can use your own carrier to collect the order. All deliveries require a signature on delivery. Below are our main carrier companies.

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RETURNS POLICY
Our Return & Refund Policy provides detailed information about options and procedures for returning your order.

