ThermometerSite Non-Reversible Indicator of Cold or Freezing Exposure 工业温度计

"• Easy to Use & Versatile • 1.4 L x 0.7w with self adhesive • Pull safety TAB to activate sensor after acclimating to product temperature above rated temperature • Changes color clear to red when exposed to rated temperature • Available from - 20 to +15°C • Accurate ± 2°C"