fire inspection tool environmental compensation

NFPA 72 US national fire alarm code direct from Wanlin Fire Protection — 12-year factory experience, WL-ST500 smoke detector tester certified CE/UL 268A/EN 54/NFPA 72/BS 5839/AS 1851. Key specs: Universal Test Cup System + Multi-Brand Adapter Set + Aerosol Dispenser + Heat Module + Carrying Case, Manual Operation + Quick-Swap Adapters + Visual Indicators + C···

integrated smoke heat detection test device direct from Wanlin Fire Protection — 12-year factory experience, WL-ST600 smoke detector tester certified CE/UL 268A/EN 54/NFPA 72/BS 5839/AS 1851. Key specs: Rechargeable Aerosol Dispenser + Precision Heat Element + NIST Calibration + Digital Display, USB-C Charging + LCD Display + Calibration Certificate + Data S···