
Field-Replaceable Standard 2-Year O2 Sensor (0-25%) for S500
The Seitron S500 O2 Standard 2-Year Replacement Sensor (0-25%) # AACSE50 is manufactured by Seitron. Valley Instrument Service is an authorized Seitron dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
Our team can help with product selection, specs, pricing, and application support.
Contact Us or Call (661) 327-8681Accessories, replacement sensors, and parts for this product family.
| Model | Price | |
|---|---|---|
AACSE58 | Request Quote | View Details → |
AACSE60 | Request Quote | View Details → |
AACSE50Current | Request Quote | Viewing |

12" Probe (300mm) with 5' (1.5m) Dual Sampling Hose Up to 752 °F (400 °C)
AC Charger Wall Adapter kit for S500 (includes USB cable & plug)

S500-3 Basic Kit: O2, CO, CO2, NOx, no printer, Combustion Efficiency, Excess Air, Draft, Pressure, Temperature, 12" Probe with 5' Hose, & Hard Plastic Carrying Case. Includes Bluetooth and QR Code Smartphone Apps.

Gas Pressure Tube, 1m Length (For NOVO)