Feature of quality cartridge heater:

1.Wattage Tolerance: +5%, -10%

2.Resistance tolerance: +10%, -5%

3.Voltages available: 380V,240V, 220V,110V,36V,24V or 12V

4.Max operating temp: 870ºC(1600F)

5.Length tolerance: ± 2% or 3.2mm (1/8”), whichever is greater.

6.Camber tolerance: 1.7mm per meter (0.020” per foot).

7.Diameter tolerance: Diameter at each end may vary +0.05mm -0.1mm (+.002" -.004")

8.Standard Unheated Area: 5-10mm;

9.Delivery time: 7-14 working days.However, many sizes are kept in stock. Please contact the factory for assistance.

10.Internal thermocouple: type J or K;

11.Thermocouple Location: Disc End, Sheath, Center of Heater;

12.Insulation resistance (cold): ≥ 500 MΩ;

13.Maximum leakage current (cold): ≤ 0.5 mA;
14. Diameter: from 3.0mm to 30mm;

Pictures of quality cartridge heater:

Sample of Products: