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HeatSeal HS-450 Impulse Sealer
450 mm bench impulse sealer · timed seal & cut
The HS-450 seals poly and laminate bags up to 450 mm wide with a timed impulse element and an integrated cutter. These instructions cover start-up, setting the seal time, everyday operation and routine care.
Warning
The sealing bar gets hotThe element reaches sealing temperature in under a second and the bar stays warm after use. Keep hands clear until the green ready lamp is steady, and never reach across the bar while the amber lamp is lit.
Controls & indicators
| Control | Function | Notes |
|---|---|---|
| Power switch | Isolates the sealer | Illuminated when live |
| Seal-time dial | Sets impulse duration 0–3 s | Higher for thicker film |
| Ready lamp (green) | Element cooled, ready to seal | Steady = ready |
| Heat lamp (amber) | Impulse in progress | Do not lift the bar |
| Cutter slide | Trims film after the seal | Right-to-left in one pass |
Operating procedure
- Switch on and let the green ready lamp settle.
- Set the seal-time dial to suit the film; start at 1.5 s for 100 µm poly.
- Lay the bag mouth flat across the sealing bar, free of wrinkles.
- Press the bar fully down until the amber lamp lights, then release when it goes out.
- Draw the cutter slide across to trim, then lift the bag clear.
Routine care
- Wipe the PTFE cover strip clean while the bar is cold
- Check the cover strip for scoring and replace if the seal marks
- Clear film residue from the cutter channel
- Confirm the ready and heat lamps operate on power-up