B&C SZ171 pH Sensor

pH sensor for range 0 to 13pH with BNC connector. Double ring junction.

Manufacturer: B&C Electronics
Category: Water quality, SENSORS, pH and Redox Probes

The B&C Electronics SZ171 pH sensor is a universal digital sensor, compatible with all pH controllers on the market and for all types of stable processes. It provides reliable measurements even at the extremes of the pH range.

Thanks to its high-quality glass construction and ring junction design, this sensor is perfectly suited for both laboratory environments and water treatment systems.

The SZ171 pH Sensor is easy to install and use, and thanks to its compatibility with portable instruments and in-line or submersible measurement systems, it becomes an essential tool for those who need constant pH monitoring. Its ability to work under demanding conditions, such as high pressures and temperatures, makes it an ideal choice for professionals looking for precision and durability.

Properties

Measuring range: 0 to 13 pH
Temperature range: 0 to 100 °C
Body material: glass
Maximum pressure: up to 10 bars
Connector: 1.5m cable with BNC connector
Dimensions: 110 mm in length and 12 mm in diameter
Application: Laboratory measurement and wastewater treatment.
Submersible installation: with SZ860 or SZ880 accessories, with lengths from 720 to 1170mm
Curve: 59 ± 3 mV/pH unit at 25ºC (slope 168 to 183 mV)
Zero Point: pH 7
Displacement (asymmetry potential): 0 mV ± 25 mV
Accuracy: ± 0.1 pH unit
Response time: < 10 seconds (95% response)
Stability: < 3 mV drift/24 hours
Glass membrane impedance: < 400 Mohm at 25ºC
Reference junction impedance: < 30 Kohm at 25ºC
Operating temperature range: -5 to -100ºC
Working pressure range: 150 psi at 25°C
pH electrode solution: pH buffer with added chloride
Reference type: Annular ceramic, sealed
External reference electrode solution: Polysaccharide gel, 4M KCI with AgCI
Alkalinity error: < 0.05 pH at pH 10 for 0.1M Na+

This sensor is suitable for applications in contaminated liquids, portable and laboratory instruments.

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