BIRNS Blackbirn I Model 7705-- Technical Specifications
  1. Physical

    1. Dimensions

      1. Height: 25.0 cm (9.9 inches)
      2. Width: 17.3 cm (6.8 inches)
      3. Length: 51.3 cm (20.2 inches)

    2. Materials

      1. Housing and lens ring: Tempered cast type 357 aluminum, hard anodized per MIL-A-8625C type III class 1, housing vacuum impregnated per MIL-STD-276, enamel painted
      2. Insert ring and support, Snooperette body and ring: Type 6061-T6 aluminum, hard black anodized per MIL-A-8625C type III class 2
      3. All hardware: Stainless steel type 18-8
      4. Switch shaft and receptacles: Stainless steel type 316, passivated per QQ-P-35
      5. UV Lens: Tempered type 1041 ultraviolet-filtered soda-lime glass
      6. O-rings and lens gaskets: BUNA N (Nitrile-NBR) acrylonitrile-butadiene
      7. Connector inserts: Glass-reinforced epoxy (GRE)
      8. Connector contacts: Pins: brass 360 per ASTM B16; sockets: heat-treated beryllium copper; both gold-plated per MIL-G-45204
      9. Snooperette lens: Tempered borosilicate glass
      10. Connector engaging nut: Naval brass type 464 per ASTM B21
      11. Cable: Type SO multi strand copper core, with styrene rubber (STR) primary insulation and black Aquaprene neoprene polychloroprene (CR) jacket

  2. Electrical

    1. AC Supply Voltage: 115 +/- 15 VAC (standard); 240 VAC available on request
    2. Cable size: 14 AWG type SO, 3 conductor (standard)
    3. Cable current rating: 15 amperes maximum
    4. Cable voltage rating: 600 volts maximum

  3. Lighting/Photometric

    1. UV Lamp Details

      1. Wattage: 100 watts
      2. Lamp type: Mercury vapor PAR38 spot, admedium base
      3. Spectral Peak: 360 nanometers
      4. Output: 1,250 microwatt/cm2 ultraviolet energy (min.)
      5. Rated lamp lifetime: 16,000 hours

    2. Snooperette Lamp Details

      1. Voltage: 12 VAC/VDC
      2. Wattage: 50 watts
      3. Lamp type: Tungsten halogen with MR-16 dichroic multi mirror
      4. Color Temperature: 3,050K
      5. Output: 2,160 mean Candelas; 895 initial lumens
      6. Rated lamp lifetime: 3,000 hours