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The coiled filament of the IR-21V operates at approximately 800°C when powered with 4 watts. The radiating element is a coil of resistance wire which has a high emissivity in the infrared spectral region. The coil is supported on a cylindrical substrate of alumina. The IR-21V has a vertically oriented coil emitter (left in picture).
Due to the reduced mass of this unit it can be pulsed at 1 hertz with a resultant
temperature variation that can be detected. The unit does not require operation in a sealed atmosphere.
Also see the Universal Photon Source (UPS) Driver Board as an accessory to your emitter.
| IR-21V | |
| Temperature (C) | 800 |
| Volts (V) | 5 |
| Current (A) | 0.8 |
| Power (W) | 4 |
| Emissivity | 0.8 |
| Lifetime | 30,000 hrs. at 5 V |
