ABB Measurement Products
Group: ABB

Online dissolved oxygen (DO) meter
0 - 20 ppm, IP 66 | 4640 ABB Measurement Products

Dissolved Oxygen Analyzer 4640
The Dissolved Oxygen Analyzer 4640 is a wall-mount analyzer used with 9408 sensing systems to accurately and reliably measure and transmit the dissolved oxygen value in a range of water monitoring applications. The 4640 Series Analyzer offers high performance and advanced functionality in a compact, cost-effective package. It is rugged and reliable for safe operation in harsh environments, simple to install and use, and requires minimum maintenance.

- Range 0 ... 20 ppm and 0 ... 200 % saturation
- Sensor life indicator
- Second current output and Modbus communication
- Comprehensive diagnostics facility with in-built software protection
- Salinity and atmospheric pressure correction capability as standard
- IP 66 / NEMA 4X ingress protection
- English, French, German and Spanish software
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