Gas Sampling Pump Complete Kit with automatic counter

Gastec Gas Sampling Pump Complete Kit with automatic counter GV-110S includes the Gas sampling pump GV-110 with automatic stroke counter, pump accessories (3 rubber inlets and lubricant), as well as the instruction sheet are provided in a compact case with a shoulder strap. Gastec Gas sampling pump GV-110 can precisely collect a sample volume for Gastec Detector Tube. The full-stroke (100 mL) and the half stroke (5 mL) positions are marked exactly by the red line on the pump shaft, and the handle is precisely locked at the those positions. The automatic sampling counter tells you how many pump strokes you already completed. So there is no chance of miscounting.