Measured temperature range:0~ 320centigrade Working voltage:220V Dimension:20*30*40(mm) weight:0.075(Kg) 1) Designed temperature range: - ... length(mm)Thermometer Bulb Length(mm)WHD-40 B,E,F,H 0-40°C ≤4.5°C ±5°C ... 300-3000 (110)WHD-85 B,E,F,H 30-85°C ... C 300-3000 (50)WHD-93 B,E,F,H 30-93°C≤4.5°C ±5°C 300-3000 ( ... 45)WHD-110 B,E,F,H 30-110°C ≤4.5°C ±5°C 300-3000 ...