... ) CERTIFICATES OF CQC AND CE13) Widely used for electric water heater, washer, electric oven,ice machines, fish ponds, ... 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 ≤4.5°C ±5°C ... C 300-3000 (45)WHD-110 B,E,F,H 30-110°C ≤4.5°C ±5°C ... 300-3000 (40)WHD-250 B,E,F,H 50-250°C ≤8°C ±8°C 300-3000 ... Φ3×170WHD-320 B,E,F,H 50-320°C ≤10°C ±8°C 300-3000 ...