| Accuracy | Single sample volume accuracy: +/-5% or +/-5 mL (whichever is greater) within the sample volume range 20-10000 mL | 
                                                
                                                    
                                                        | Bottles | ProSample P and ProSample P-12 - Discrete or composite sampling    PE: 24 x 1 L, 8 x 2L, 4 x 4 L, 1 x 26 L    Glass: 24 x 350 mL, 12 x 950 mL, 8 x 2L ProSample PM and PM-12 - Composite sampling only    PE: 1 x 10L (included with each PM and PM-12) | 
                                                
                                                    
                                                        | Certification | CE, ISO 5667-10, EN 16479 | 
                                                
                                                    
                                                        | Dimensions | P and P-12 = 50 x 74 cm PM and PM-12 = 40 x 60.5 cm | 
                                                
                                                    
                                                        | Display | Backlit graphic display; 6.5 cm width x 3.2 cm height | 
                                                
                                                    
                                                        | Fluid Delivery Speed | >0.61 m/s at suction height up to 7 m with 10 mm ID suction hose | 
                                                
                                                    
                                                        | Inputs | Analog 0/4-20 mA, Digital, SDI-12 (P-12 and PM-12 only) | 
                                                
                                                    
                                                        | LED | Indicates if a program is running, an error has occurred, or low battery | 
                                                
                                                    
                                                        | Material | PE (polyethylene); double-walled and insulated for longer ice retention | 
                                                
                                                    
                                                        | Measurement Range | Single sample volume range: 1-10000 mL | 
                                                
                                                    
                                                        | Memory | Up to 3000 entries; non-volatile data memory for up to 5 years; Stores sampling and error data, bottle changes, messages, external signals | 
                                                
                                                    
                                                        | Operating Temperature | 0 to 50 °C | 
                                                
                                                    
                                                        | Power | 12 V/ 7.2 Ah lead storage battery (maintenance free, leak proof) 115V or 230V operation by means of battery charger | 
                                                
                                                    
                                                        | Programming | 12 user-defined programs | 
                                                
                                                    
                                                        | Pump Type | Peristaltic | 
                                                
                                                    
                                                        | Sample Temperature | 0 to 40 °C | 
                                                
                                                    
                                                        | Software | YSIConnect PC software for controlling the sampler and downloading data (not required) | 
                                                
                                                    
                                                        | Suction Height | Maximum 8.5 m (27.9 ft) at 1 atm with 10 mm ID suction hose | 
                                                
                                                    
                                                        | Suction Hose | Maximum allowable length is 30 meters ID of YSI suction hoses is 10 mm | 
                                                
                                                    
                                                        | USB | Mini-B USB for PC connection | 
                                                
                                                    
                                                        | Warranty | 1 year on all ProSample models | 
                                                
                                                    
                                                        | Weight | P and P-12 = 15 kg, PM and PM-12 = 9 kg |