App-Tek OdaLog Type L2 Gas Data Logger - H2S LL-H2S-200-ND Dead Battery

This listing is for two (2) OdaLog Type II H2S Gas Loggers by App-Tek. These are designed to monitor and log hydrogen sulfide (H₂S) gas levels in harsh environments such as wastewater treatment plants, sewers, and confined spaces.

Key Details:

Model: OdaLog Type II

Gas: H₂S (Hydrogen Sulfide)

Power: Both units are in working condition but require new batteries

Condition: Used – working when last powered on; cosmetic wear as shown

Display: Clear and intact LCD screens

Design: Durable, corrosion-resistant housing with integrated D-ring for secure placement


Perfect for industrial hygiene, odor control, and environmental monitoring applications. These units are sold as-is, without batteries.

📦 Will ship both units together, safely packed.
🚫 No returns. Please message with any questions before purchase.