Vernier LabPro:

LabPro offers unparalleled flexibility, power, portability, and ease of use at an affordable price. It can be used with a computer (both Windows and Macintosh), calculators (Texas Instrument) or stand-alone.

LabPro is easy to use! Sensors are automatically recognized and calibration is handled for you. Simply press two buttons to carry out remote data collection.

Specifications:
Channels 4 analog and 2 digital
Compatible analog sensors More than 30 sensors: colorimeter, conductivity, current & voltage, dissolved oxygen, force, heart rate, flow rate, pressure, light, magnetic field, sound, O2 gas, pH, humidity, temperature, etc.
Compatible digital sensors Motion, photogates, radiation, etc.
Analog output Yes
Digital output Yes
Samping rate 50,000 samples / second to 1 sample / day
Internal data storage 12,000 points
Resolution 12 bits
Computer connection USB or serial
Stand-alone operation Yes
Sensor included Voltage
Additional included items Computer cables (USB & serial), AC power supply, calculator link cable, calculator cradle, user's manual
Software Logger Pro 2.0