Overview
Our S420 series of pH sensors deliver reliable online pH monitoring as a direct-fit replacement for Strantrol* W2T4677 or W2T4675. Extended sensor lifetime is achieved through a large electrolyte reservoir. Durable CPVC construction with built-in protection for the pH measuring surface. Booted BNC connector included with optional cable lengths. Compatible with all pH meters accepting a BNC connector. Reliable measurement performance Direct-fit Compatibility Perfect for pressurized applications Instantly ready for use One year limited warranty * Strantrol is a registered trademark of Evoqua Water Technologies LLC. No affiliation, endorsement or sponsorship is stated or implied.
Specifications
| Manufacturer | Sensorex |
|---|---|
| Model | S420C/BTD |
| Manufacturer part number | S420C/10/BTD |
| Product type | Online Sensors |
| Shipping weight | 0.44 lbs |
| Dimensions | 5.7 × 2 × 2 in |
Specifications reproduced from the manufacturer's published product information (sensorex.com), retrieved 18 August 2026. Sensorex is a trademark of its owner. Confirm all specifications with ForeverPure before purchase.