RFQ

SG354/SG355 Glass-Body Flat Surface pH and ORP Electrodes

  • NG # 04236-HW-SEN-015

Sensorex SG354/SG355 glass‑body flat surface electrodes are rugged pH and ORP sensors designed for demanding environments such as pools, spas, light industrial applications, laboratories, and agriculture. They feature a robust flat glass membrane with self‑cleaning action and a double‑junction sealed reference with a crystallite salt ring for enhanced performance and a visible life‑end indicator. Connector options include fixed cable with PG13.5 fitting or an S8 detachable head.

Manufactured By :
Sensorex
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Overview

The SG354/SG355 Glass‑Body Flat Surface pH and ORP Electrodes from Sensorex provide reliable electrochemical measurement in applications that require durable, low‑maintenance sensors. Their glass body and flat membrane construction resist breakage and support self‑cleaning during flow, making them suitable for use in pool and spa systems, hydroponics, agricultural settings, and light industrial water monitoring. The double‑junction design with a high molarity reference enhances stability and slows contamination, while the salt ring offers a visual indicator of reference depletion, helping users anticipate replacement needs. Multiple connector options support flexible installation, and included mounting accessories simplify setup.

Specification

Measurement Types

  • pH 
  • ORP (Oxidation‑Reduction Potential) 

Reference System

  • Sealed KCl/AgCl with crystallite structure 
  • Double‑junction design for reduced contamination and extended life 

Junction

  • Porous HDPE double junction 

Body Material

  • Glass  

Membrane

  • Robust low‑impedance flat glass membrane with self‑cleaning action 

Temperature and Pressure Range

  • Operating temperature: 5 to 60°C (41 to 140°F) 
  • Pressure: 0 to 3.44 bar (50 psia) 

Physical Dimensions

  • Diameter: 12 mm 
  • Length: 120 mm 

Connector Options

  • 3 m cable with PG13.5 fitting 
  • S8 connector (detachable head) 

Included Accessories

  • Plastic spacer and Viton O‑ring for mounting block sealing 

Visual Life Indicator

  • Salt ring reference provides clear visual indication of electrode life 

Weight and Packaging

  • Weight: approx. 0.50 lbs 
  • Dimensions (packaged): 8 × 2 × 2 in

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