SE 503
pH Sensor
![](https://www.knick-international.com/wp-content/uploads/2018/06/vp.png)
The standard pH sensor for water / wastewater; robust and low-maintenance
Facts and Features
- Low maintenance, no refilling or pressurizing of electrolyte
- Integrated temperature detector
- 2 ceramic junctions
- Robust due to plastic body
- Integrated probe guard
- VP connector
Robust and insensitive to contamination, plastic body. Also for low-temperature applications. Low-cost, low-maintenance and reliable pH measurement.
Applications
Drinking water, surface water, industrial water, wastewater treatment, environmental analysis
Downloads
Catalog Excerpts
![Catalog Excerpt - SE 503](/export/mediathumbs/13255.jpg)
Catalog Excerpt (en)
13255 | SE503 pH Sensor
Product Description | Specifications | Product Range
PDF (file size: 0.81 MB)Brochures
![Brochure - SE 503](/export/mediathumbs/13396.jpg)
Brochure (en)
13396 | Sensors - For measuring pH/ORP, conductivity or oxygen. Digital or analog.
PDF (file size: 2.57 MB)![Brochure - SE 503](/export/mediathumbs/13978.jpg)
Brochure (en)
13978 | CaliMat - New pH Buffer Solutions
PDF (file size: 0.69 MB)Manuals
![Manual - SE 503](/export/mediathumbs/12978.jpg)
Manual (en)
12978 | pH-Sensor 503N-NVPN
PDF (file size: 0.11 MB)Certificates / Approvals
![EU Declaration of Conformity - SE 503](/export/mediathumbs/14517.jpg)
EU Declaration of Conformity (en)
14517 | Analog Sensors, non Ex
Document No. EU210621A | 2021-06-21
PDF (file size: 1.63 MB)![Declaration of Compliance - SE 503](/export/mediathumbs/14156.jpg)
Declaration of Compliance (en)
14156 | Certificate of Compliance 2.1 according to EN 10204
PDF (file size: 0.02 MB)