Product Feature:
- Small diameter: 3~25 mm
- No limit on length: 20~2000 mm
- High power density: 20 W / cm2
Technical Parameters and QC Testing:
- Heating up time: ≤ 15 min
- Power Tolerance:
± 10% (if rated power ≤ 100 W)
-10% ~ +5 % or 10 W (if rated power > 100 W)
- Leakage Current:
Cold leakage current ≤ 0.5 mA
Hot leakage current: I ≤ 5 mA
I = 1/6（tT×0.00001）
I— hot leakage current (mA)
t— heating length (mm)
T— working temperature (℃)
If there are several heaters in series, the hot leakage should be tested upon the full series circuit.
- Insulation Resistance:
Cold insulation resistance ≥50 MΩ
Hot insulation resistance R ≥1 MΩ
R=「（10-0.015T）/t」×0.001
R— hot insulation resistance (MΩ)
t— heating length (mm)
T— working temperature (℃)
Other testing:
- Withstand Voltage Strength
- Power on-off
- Thermal resistant
- Overload capacity
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