B&C SZ161 pH Sensor

pH sensor for range 0 to 13pH with BNC connector Compatible with all controllers on the market

The B&C Electronics SZ161 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 SZ161 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: < 300 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.

Optimize your processes with the precision and reliability of Guemisa Sensors and InstrumentationDiscover our wide range of measurement, control and automation solutions, designed to meet the most demanding needs of your industry.

📞 Contact us today ventas@guemisa.com to advise you on your project or visit our website www.guemisa.com and find the perfect equipment to take your productivity to the next level. The technology you need, at your fingertips!

B&C Electronics SZ161 pH sensor. Specially designed for measuring pH in laboratories.
B&C Electronics SZ161 pH sensor. Specially designed for measuring pH in laboratories.

Other products

B&C ELECTRONICS Logo 2026 WATER QUALITY
Combined glass/gel reference pH electrode, epoxy body, size 75x12. with 1.5m BNC cable.
Schreiber Messtechnik logo
Amplified LVDT | Range 5 to 20 mm | Stainless Steel Housing Ø 10 mm | 5V Power Supply | IP67 | PCD 20.0 mm | Analog Output 0-4V DC
LEVEL MEASUREMENT
B&C ELECTRONICS Logo 2026 WATER QUALITY
Measuring range 0-4,000/40,00/400,0/4,000NTU High chemical resistance
LOGO TORQUE CERTIFICATION
High-Speed Telemetry (Optical) | Range 50 – 100 N·m | Peak 40,000 RPM | Dual PCD Flange 66.0/44.0 mm | Inertia 0.0003 kg·m²
MAGNETIC LEVEL SWITCHES VARIABLE LENGTH
B&C ELECTRONICS Logo 2026 WATER QUALITY
Graphite Sensor, 1.5m Cable with BNC connector, K=1cm Range from 2MicroSiemens to 2,000 milliSiemens,
Differential pressure switch for air
B&C ELECTRONICS Logo 2026 WATER QUALITY
Cell content K=1cm-1 (2 to 2,000µS) Thread 1″ BSP, body material polypropylene