(the one on the left of the image)
Model: SP80PC SP80PC Handheld Meter with Electrode and Probe
Location: 36-362
Vendor: VWR
SpecificationsInstructions: specifications, instruction manual
Measures pH, temperature, conductivity, etc
...
Conductivity range: 0 to 3000 mS
Price: $841 (includes electrode and probe)
Purchase Date: June 2012 by Chia Wei Hsu