Specifications: 1) Precision: Display less than 2. 5%F. S 2) Temperature control: Less than 1. 5%F. S 3) Dot volume: 220V AC 7A 4) Dot volume with power output: 220V AC 30A 5) Time adjustment: A) Connection and disconnection period: 30s about 10s B) Scope: 1 --- 3% 6) Alarm scope: About 3% can be adjustable 7) Electric power: 220V about 10% 50Hz or (90 ---242V) AC 50Hz 8) Consumption power: Less than 2W 9) Normal working circumstance: A) Temperature: 0 --- 50oC B) Humidity: 35% --- 85% C) Under no aggressive gas occasion 1) TE: A) Size: 48 x 48 x 90 B) Installation hole: 56 x 116 2) TDB / TDE: A) Size: 48 x 96 x 130 B) Installation hole: 44 x 92 3) XM-TED1001/2: A) Size: 72 x 72 x 130 B) Installation hole: 68 x 68