BB-75 Features & Specs:

• Manufactured in the USA
• 320 VDC @ 10 joules (min) firing energy (max output 340 VDC @ 13 joules)
  • capable of firing a minimum of 75 EBCs connected via 3000’ of two-conductor 18 ga. copper firing line (tested through 340 ohms)
  • Uses standard 9-Volt battery
• Built-in bridgewire testing circuit
  • less than 800 µA (micro amps) maximum current draw is barely 1/60th the maximum allowable safe testing current of 50 mA, as established by MSHA.
  • testing circuit protected by 50mA fuse
  • the ONLY blasting box featuring a built-in haptic (tactile feedback) bridgewire continuity tester
  • strong vibrating response provides positive indication, even in direct sunlight and noisy environments
  • Bi-Color LED visually confirms continuity and indicates a low-battery
• Small and lightweight
  • 3.5” wide x 6.5” long x 1.2” thick; 11.5 ounces (with battery) (8.9 cm x 16.5 cm x 3 cm; 326g)
• Easy to use
  • connect firing line to high-voltage binding posts
  • hold down ARM switch to charge blasting circuit
  • once the Super-Bright “Ready” LED lights solid (flashes during charge), press FIRE button to send high-energy pulse down firing line
• Intrinsically safe design
  • Internally shunted output terminals help protect EBCs from stray EMI - remain shunted until instant of firing
  • auto abort discharges the capacitor upon release of ARM button (prior to firing)
  • bridgewire testing circuit current is less than 1 mA (795 microamps average)
  • fuse protected testing circuit cannot provide more than 50 mA (serial numbers 100+)
  • touch-proof output terminals with downward facing inputs reduce risk of shock
• Rugged enclosure
  • black ABS case with bright-red/orange rubber boot and sealed switches
  • shock and weather resistant (not designed for wet use due to high-voltage output)

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