Humboldt 5000 BLU Light Weight Deflectometer - Manual (Page 19)

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3.3 Load Plate:
Weight of load plate,
including sensor dome and handles
15 kg
Diameter of load plate 300 mm
Thickness of load plate 20 mm
Power supply Bluetooth ® transmitter long-lasting, rechargeable
Bluetooth ® sensor dome (‘TERRATEST 5000 BLU’ ONLY) battery pack type 8904 7.4V/2.4Ah
3.4 Mechanical Loading Device: 10 kg 15 kg
Impact force 7.07 kN ± 1% 14.14 kN ± 1%
Impact duration 17 ms ± 1.5 ms 17 ms ± 1.5 ms
Weight of drop weight 10 kg 15 kg
Weight of guide rod 5 kg 5.5 kg
Length of guide rod 1140 mm 1140 mm
Total height of device, including load plate 1230 mm 1230 mm
Sound power level 95 dB(A) 95 dB(A)
Sound pressure level 84 dB(A) 84 dB(A)
3.5 Testing Computer
Weight without accessories 4.5 kg
Dimensions length = 320 mm
width = 300 mm
height = 180 mm
Measurement range (settlement) 15-70 MN/m 2 70-120 MN/m 2
Power supply long-lasting, rechargeable 6 Volt
PANASONIC-Super-Life lead acid battery
Automatic switch-off after three minutes
Radio clock, date display satellite-based, can be configured manually
Precision GPS receiver less than 20 meters
Maximum voltage variation +/- 10%
Bluetooth ® transmitter / receiver Type RN-41/RN41-N Class 1
(‘TERRATEST 5000 BLU’ ONLY) Certifications FCC, ICS, CE, RoHS
Frequency range 2.402 ˜ 2.480 MHz
3.6 Environmental Conditions
Charge the device only in dry, indoors locations.
Protection class
IP53
Do not expose the testing computer to direct rain.
If it rains, cover and protect the testing computer.
Do not expose Bluetooth
® load plate (‘TERRATEST 5000 BLU’ ONLY) to direct rain.
If it rains, cover and protect Bluetooth ® load plate (‘TERRATEST 5000 BLU’ ONLY).
Temperature range 0 - 40 °C
Maximum height for use above sea level 3,000 metres
Maximum relative humidity for use < 80%, dew must be avoided