The BUCK Elite™ is a data logging, programmable  personal air sampler consists of a pump contained in a high impact steel fiber filled Lexan, antistatic, and RFI/EMI-shielded case, exclusive electronic circuit board for constant flow control, an LCD display with 2 lines of 16 characters, a single diaphragm pump mechanism, and a rechargeable NiMH battery pack. 

Other features include elapsed time, flow rate, and   accumulated volume. Easy to use programmable timer for delayed start/stop run with the capability for up to ten different ON/OFF duration cycles with repeat options. The PC Link Elite software* connection capability lets you easily program the pump with few clicks and download the sampling data into a PC equipped with RS232COM port. The built in duration timer counts down the sampling time up to 40 hours and automatically turns the pump off.