Instruction manual

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49
Leakage
LD 300 leak detector
Cost saving
In Germany 60,000 compressed air plants use 14,000,000,000 kWh electrical
energy per year. 15 to 20 % could be easily saved (Peter Radgen, Fraunhofer
Institut, Karlsruhe). Most of theses costs are caused by leakages in the
compressed air system. The air "escapes" unused. 1 leak with a diameter
of 1 mm = 270 EUR/year. The LD 300 will be payed off after 4 leakages.
Technical data LD 300
Working frequency: 40 kHz ± 2 kHz
Connections: 1) 4-pole connection
for headset and battery
charger
2) 3.5 mm stereo
socket for sensor and
cable connection
Laser: wave length:
655...660 nm
output power:
0.4...0.5 mW
Power supply: internal NiMH rech. battery
Operating approx. 6 hours
duration: without laser,
approx. 4 hours
with laser
Charging time: approx. 1.5 hours
Operating temp.: 0 to 40 °C
Storage temp.: -10 to 50 °C
Telescope: 3 x 120 cm
Description Order no.
Set LD 300 leak detector 0601 0103
consisting of:
LD 300 leak detector 0560 0102
Ultrasonic sensor 0605 0001
Sound-proof headset 0554 0102
Focus tube with focus tip 0530 0101
Cable for ultrasonic sensor 0553 0101
Battery charger 0554 0001
Transport case 0554 0101
Accessories, not included in the set:
Ultrasonic tone generator 0554 0103
Telescope bar 3 x 120 cm 0530 0102
 hole size increases over time
 the human ear can only hear
leakages which are bigger
than 1 mm
2
at 7 bar
 until they are noticed 10
small leaks may cause
a loss of 7,000 Euro/year
20 kHz
Hearable range
Frequency
20 Hz
Size
> 1 mm
2
1 mm
2
< 1 mm
2
Time
No. of
leakages
The integrated laser facilitates the
detection of leaks.