Komyo Rikagaku Detector Tube Hydrogen Fluoride 156S 1 pc

Catalogue number: 156S Specifications: * Target gas: Hydrogen fluoride * Measurement range: 0.17 to 30 ppm * Target gas: Hydrogen fluoride * Sample collection volume and measurement range: 300 mL (printed scale: 0.5 to 30 ppm) * Measurement time: 1 minute/100 mL * Detection limit: 0.05 ppm (when 900 mL is collected) * Color change: Grass yellow to pink * Reaction principle: The indicator changes color due to hydrogen fluoride. * Expiration date: 3 years * Changes over time: The boundary of the discolored layer becomes unclear and the reading becomes higher * Operating temperature range: 0 to 40°C (with temperature compensation) * Calibration method: Permeation tube method