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The DBU-120A bridge unit is an online instrument designed to be
connected to the PC via USB interface and to be connected directly to a
strain gage or strain gage transducer. Equipped with an amplifier and A-D
converter, the DBU-120A comes standard with the control software
which enables the PC to operate the DBU-120A and to perform data
acquisition. The unit is supplied with power through USB interface, and
thus requires no special power source.
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*While designed for 1-channel measurement, up to 4 units can be
connected to the PC for simultaneous 4-channel measurement.
*Maximum sampling frequency: 20 kHz
*NDIS connector enables simple one-touch sensor connection.
*Control software is included in standard accessories.
*Optional DAS-100A analysis software enables data analysis.
*Applicable sensors: Strain gages, strain gage transducers, voltage
output sensors
*Applicable gage resistance
120 Ù to 1 kÙ (120 Ù only for 1-gage system)
*Bridge excitation: 0.5, 2, 5 V
*A-D conversion: 16 bits
*Sampling frequency: 1 Hz to 20 kHz
*Range
Strain: 1k, 10k, 100k ìm/m
Voltage: 10 V
*Lowpass filter cutoff frequency: 10, 30, 100, 300 Hz and FLAT
*Frequency response range: DC to 1 kHz
*Interface: USB 1.1
*PC
CPU: Pentium III 700 MHz or higher
OS: Windows XP/2000
Memory: 192 MB or more
Hard disk: Blank space 10 MB or more (except for data)
*Dimensions & mass: 90 x 35 x 144 mm (excluding protrusions),
approx. 350 g
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