B&C SZ171 pH Sensor

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

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.

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 SZ171 pH sensor. Specially designed for measuring pH in laboratories.
B&C Electronics SZ171 pH sensor. Specially designed for measuring pH in laboratories.

Other products

B&C ELECTRONICS Logo 2026 WATER QUALITY
Self-cleaning turbidimeter, Measuring range 0-4,000/40,00/400,0/4,000 NTU
Tension/compression load cell
Schreiber Messtechnik logo
Inductive Differential | Ranges 24 mm to 360 mm | Frequency 10 kHz | 30.0 mm PCD Flange (Support) | Housing Ø 10/12 mm | IP68 / M12 Optional
LOGO TORQUE CERTIFICATION
Driving Telemetry | Stepped Range 50 – 400 N·m | Class Accuracy ±0.10% | Analog Output ±10V | 16-Bit Resolution
Electrochemical Technology | VARIVENT® Connection | -10 °C to +150 °C (SIP) | Stainless Steel and PEEK
B&C ELECTRONICS Logo 2026 WATER QUALITY
Sensor de pH B&C SZ165 con cable de 9 m, electrodo combinado vidrio/referencia para medición general de pH en procesos e instrumentación industrial.
Accelerometer with 3 axes, the output signal can be in mA, Vcc and RS485 communication
Clinometer for use in civil works, geology
Logo oficial de ELCIS Encoder, fabricante italiano de encoders incrementales, absolutos y sistemas de medición industrial.
I/45 – Standard Incremental Encoder, Shaft Ø 6×10 mm, Body: Ø 45×56 mm, Pulse range: 1 to 2,540
Shopping Basket