Vernier LabQuest 2 Manual do Utilizador descarregar pdf (Página 48)

Appendix A – 1

APPENDIX A. LABQUEST 2 TECHNICAL SPECIFICATIONS

Display

• 11.2 cm × 6.7 cm (13.1 cm diagonal)

screen

• 800 × 480 pixel color display at 188 dpi

• LED backlight

• Portrait or landscape screen orientation

• High-contrast mode for outdoor visibility

Processor

• 800 MHz Application Processor

Connectivity

• Wi-Fi 802.11 b/g/n

• Bluetooth for WDSS

User Interface

• Resistive touch screen

• Touch and stylus navigation for efficiency

and precision

Data Acquisition

• 12-bit resolution

• Built-in GPS, 3-axis accelerometer (± 2 g),

ambient temperature sensor, light sensor

(uncalibrated intensity), and microphone

Maximum Sampling Rate

• 1 sensor - 100,000 samples/s

(0.02 seconds max)

• 2 or more sensors - 10,000 samples/s

(0.21 seconds max)

Minimum Sampling Rate

• 0.00125 samples/s (800 s/sample)

Maximum Samples (standalone)

• 1 sensor - 2000 samples 20K - 100K

samples/s

• 1 sensor - 14,000 - 21,000 samples <=

10K samples/s

• 2 or more sensors - 12,000 - 14,000

samples @ ≤ 10K samples/s

Highest number of samples is for the very first collection

after starting LabQuest. The smaller number of samples

depends on the number of previous collections and

stored runs during this LabQuest session.

Environmental Durability

• Operating Temperature: 0 – 45°C

• Storage Temperature: –30 – 60°C

• Splash resistant

• Rugged enclosure designed to withstand a

fall from lab bench

Size and Weight

• Size: 8.8 cm × 15.4 cm × 2.5 cm

• Weight: 350 g

Ports

• 5 sensor channels

• USB port for sensors, flash drives, and

peripherals

• USB mini port

• DC power jack

• microSD/MMC slot

• Audio in and out

Storage

• 200 MB

• Expandable with microSD and USB flash

drive

Power

• Rechargeable, high-capacity battery

• DC charging/powering through external

adapter (included)

Non-compatible Sensors

LabQuest 2 does not support the following

sensors at this time:

• Digital Control Unit

*

(DCU)

• Heat Pulser

• Ohaus balance

*

Not supported with LabQuest 2 as a standalone

device. The DCU can be used with Logger Pro

software and LabQuest 2.

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