Technical Specifications and Application of 840mm 1500W Medium Wave Quartz Halogen Heaters

September 8, 2026

Let’s talk about the 840mm 1500W Medium-Wave Quartz Heater

We built these lamps to solve a common headache: finding that sweet spot between raw intensity and actual penetration. By filling the quartz tube with halogen, we can crank up the heat without the tungsten filament evaporating almost immediately. It means your heat stays steady, and you aren’t replacing tubes every few weeks. Why the medium-wave approach? Here is the thing about power density. At 1500W across 840mm, you get a heat flux that’s powerful but not aggressive. It won’t scorch the surface of your materials. If you’re working with organic polymers or anything with a bit of moisture, this is where it shines. The heat actually sinks in deep rather than just flashing off the surface and leaving the inside cold. The build quality We use a quartz envelope because it can take the thermal beat of a 1500W load without flinching. The halogen gas inside does a clever little trick—it pushes the tungsten back onto the filament. That keeps the tube clear and stops it from turning black. Quartz is tough. It handles rapid heating and cooling cycles like a pro. Just a heads-up:**don’t hit it with cold water while it’s hot.**That’s a quick way to crack a perfectly good lamp. Getting it running (and a few warnings) Most of the time, these just slide right into your industrial drying tunnels or PET blowing lines. But before you flip the switch, check your reflectors. If they’re oxidized or cloudy, you’re basically throwing away 20% of your heat. Give them a polish. Now, a word of caution. Because these are 840mm long, they can be a bit fragile if your machinery vibrates a lot. If your setup has a lot of “chatter,” use dampened supports. Otherwise, the tube can literally shake itself to death. And please, use a stable power source. Voltage spikes are the enemy of the halogen cycle and will burn your lamp out way faster than it should.