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WDSS Specifications:
Dimensions:
12.1 cm × 5.3 cm × 3.9 cm
Mass:
about 200 g, depending on battery type used and attachments
Batteries:
3.7 volts, 1600–1800 mAh, Li-Ion rechargeable with safety circuit.
Lithium ion batteries self-discharge about 5 to 10% of its stored charge each
month until approximately half depleted. This is normal. Disconnecting the
battery will not change this.
Operating Current:
35–50 mA @ DC minimum 3.2V
Nominal Charging Current:
@350 mA
DC input, Rating:
DC 6V 500mA maximum
(Max. with battery charging with unit operating)
Bluetooth radio frequency:
approximately 2.45 GHz (2450 MHz), with frequency
hopping, so the frequency is not fixed
Wireless Range:
Up to 10 meters (30 ft) with no obstruction.
Number of WDSS devices that can be connected to one computer:
7
Force Sensor
Range:
±50 N
Frequency Response:
0–100 Hz
Resolution:
0.006 N (< 10 N)
0
.
03 N (> 10 N)
Accelerometers
(for each of the three accelerometers):
Range:
–50 to +50 m/s
2
Resolution:
0.04 m/s
2
Frequency Response (maximum):
100 Hz
Temperature Range: –40 to +85ºC
Altimeter
Altitude change range:
±200 m (1000 ft)
Sensitivity:
1 meter
Combined linearity and hysteresis:
typical ±0.1% full scale, maximum ±0.5% full
scale
Response time:
0.5 second
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WDSS Parts List
The WDSS package comes with the following accessory parts:
AC adapter
Bumper with 1/2" aluminum extender
Small eye hook with plastic lock nut
1/4-20 × 3/4" diameter eye w/ plastic lock nutis
3/8" diameter aluminum rod cross drilled 1/4" at one end
1/4-20 thumb screw (for above)
Mounting plate (for Pasco dynamics cart)
(2) 10-32 × 1/2" flat head screws for above
(2) 10-24 × 1" hex head screw
10-24 × 5/8" binding barrel
Manual (this document)
