This is a Thermo Scientific pH/Conductivity portable meter kit. Please refer to the technical specifications in the listing for more information.
We have inspected this item and it powers on. We do not have the capability to test the unit any further. It is missing the electrode rinse solution. There are also some cosmetic scuffs and scratches throughout the unit. Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | pH/Conductivity Portable Meter Kit |
| Meter Type | Portable |
| Display type | Graphic LCD |
| Connections | pH: BNC; Temperature: 8-pin mini-DIN |
| Min pH (pH) | -2 |
| Max pH (pH) | 20 |
| pH Resolution | 0.001/0.01/0.1 |
| pH Accuracy | ±0.002 pH |
| Calibration | Up to 5 points |
| Min mV (mV) | -2000 |
| Max mV (mV) | 2000 |
| mV Resolution | 0.1 or 1 mV |
| mV Accuracy | ±0.2 mV or 0.05%, whichever is greater |
| Min Conductivity | 0 μS |
| Max Conductivity | 3000 mS |
| Conductivity Accuracy | ±0.5% FS + 1 LSD |
| Min TDS | 0 to 200 ppt |
| Min Salinity | 0 to 80 ppt |
| Resistivity Resolution | 2 Ω |
| Resistivity Accuracy | ±0.5% ±1 digit |
| Min Temperature (° C) | -5 |
| Max Temperature (° C) | 105 |
| Min Temperature (° F) | 23 |
| Max Temperature (° F) | 221 |
| Temperature compensation | Automatic or manual |
| Interface | RS-232 and USB |
| Waterproof | Yes |
| Battery | 4 AA |
| Battery life (hr) | 800 |
| Width (cm) | 10.795 |
| Height (cm) | 23.1775 |
| Width (in) | 4 1/4 |
| Length (in) | 2 3/8 |
| Height (in) | 9 1/8 |
| Description | Star A325 pH/Cond Portable Meter Kit |