HBR-20P SINGLE CIRCUIT MACHINE
$717.75
Item
14916
MSHA approved Scorpion HBR-20P blasting machine: 350 VDC, 6.125 Joules, fires 20 electric detonators in single series on four AA cells.
The Scorpion HBR-20P is an MSHA approved (Approval # 16E-15) solid state electronic, capacitor discharge single circuit blasting machine in a heavy-duty urethane case, with a dual switch firing mechanism.
- MSHA Approval #: 16E-15
- Firing voltage: 350 VDC minimum (nominal)
- Firing energy: 6.125 Joules
- Capacity (per MSHA CFR-30, Part 25): 20 iron leg wire (16') electric detonators, short delay, in a single series
- Firing and shunt control: SCR (silicon controlled rectifier); shunt timing 4.5–8 ms
- Power source: four 1.5 V "AA" alkaline cells
- Case: heavy-duty urethane, 3"W x 2"D x 6"H; weight 1 lb 12 oz (0.79 kg)
- Ready-light test procedure; comparative machines: HB-20P, HB-20AP



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