BurdenAce® is a hand held laser instrument, which allows shot firers and drillers to safely and quickly measure the rock burdens in front of shot holes (at any point on the rock face) and display the result. The palm-sized BurdenAce® incorporates a class 1 eye-safe pulsed laser and integral inclinometer. A red dot aiming scope allows the operator to aim and measure the range and inclination at passive targets up to 300m (1000ft). 2 x AA cells supply power and the whole unit weights just 1.5lbs (600g). The laser is equipped with an RS232 port for data output to printer, data logger or computer. To measure a profile the operator simply fires the laser at the crest and toe of the face. The face length, angle, toe distance and bench height are immediately calculated and displayed. Enter the proposed drill angle, crest to collar offset distance and planned burden into the laser, after which individual points on the rock face in front of the hole can be measured
Laser - Class 1 eye safe laser (FDA/ IEC)
- 300m/ 1000' reflectorless range (no reflective target)
- 5km with reflectors
- Accuracy 10cm/ 4"
- Range resolution 1cm
- Measuring time 0.3sec
Inclinometer - Type: Accelerometer
- Range: -90° to + 90°
- Accuracy: 0.3° at 0°
- Resolution: 0.1°
Compass (Optional) - Type: digital 3 axis fluxgate
- Range 0° to 360°
- Accuracy: typically better than 1°
- Resolution: 0.1°
- Weight: 50g/ 1.8 oz
Horizontal Encoder (Optional) - Type: Optical (Mounted on a custom designed surveyors monopod)
- Construction: Aluminium
- Range: 0° to 360°
- Accuracy: 0.2°
- Resolution: 0.1°
- Power 6 x AA Cells
- Weight: 1.25kg/ 2.7lbs
Environmental - Operating temperature: -10° C to + 45° C/ 14°F to 113°F
- Water & dust resistant (IP65)
Power & Dimensions - Power: 3V DC 350mA (Standby 20mA)/ 2 x AA cells internally
- Weight: 600g/ 1.32lbs
- Dimensions: (LxWxH): 175 x 106.5 x 56mm/ 6.9" x 4.2" x 2.2"
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