الوصف

1 Temperature : *5℃~**0℃, the average temperature should lower than **5℃ within *4 hours; 2 Height above Sea Level: Lower than ***0m; 3 Atmosphere Condition: At the highest temperature of **0℃, relative humidity not above than *0%. At the lower temperature relative humidity is permitted; 4 Pollution Grade: 3; 5 Installation Type:â…¡; 6 Hole Dimension of Installation: PlateΦ*2.3; 7 Install in the safe medium, which cannot rot metal and insulator; 8 Avoidance of notable shake, wallop and thunder storm.