| Accuracy | Pressure:  Less than or equal to 0.02% of full scale output (FSO) over temperature range | 
                                                
                                                    
                                                        | Autostable | Drift is less than ±0.05% of FSO per year | 
                                                
                                                    
                                                        | Bubbler Gas Delivery | Gas Flow Technology: Constant mass Technology Gas Flow Control:  Bubble rate is user programmable from 30 to 120 bubbles | 
                                                
                                                    
                                                        | Certification | NEMA 4 enclosure | 
                                                
                                                    
                                                        | Compressor | Piston Compressor, Low duty cycle (15 hours typical runtime per year at 60 bubbles per minute into 12 ft. (3.65 m) (purges not included) | 
                                                
                                                    
                                                        | Connectivity / Communications | SDI-12, RS-485, 4-20mA Output, *Cell modem is currently under development | 
                                                
                                                    
                                                        | Connector | Quick Connect Phoenix Connectors; 2-position quick connect for power, 5-position quick connect for SDI-12, 4 to 20mA, and RS-485; Pressure Inlet: 1/8” (3.81 cm) female NPT | 
                                                
                                                    
                                                        | Material | Housing: Aluminum, Atmospheric Vent: Sintered bronze, #10-32 | 
                                                
                                                    
                                                        | Measurement Range | 0 to 15 PSI:  Depth - 0 to 34.6 ft (10.54 m), Accuracy - ±0.007 ft (2.1 mm) 0 to 30 PSI:  Depth - 0 to 69.20 ft (21 m), Accuracy - ±0.014 ft (4.26 mm) 0 to 50 PSI:  Depth - 0 to 115.34 ft (35.15 m), Accuracy - ±0.02333 ft (7.11mm) | 
                                                
                                                    
                                                        | Operating Temperature | -40° to +60° C | 
                                                
                                                    
                                                        | Power | 10.0 to 16.5 V DC | 
                                                
                                                    
                                                        | Purge Functions | Purge Pressure Level: User Selectable 30 PSI to 90 PSI; Options: Manual, SDI driven purge, Purge sustain option (10-30S), Automatic/programmable | 
                                                
                                                    
                                                        | Size | 12.25 in. L x 8.75 in. W x 5.75 in. H 311.15 mm L x 222.25 mm W x 146.05 mm H; Weight: 12.0 lbs (5.44kg) | 
                                                
                                                    
                                                        | Storage Temperature | -60° to + 80° C | 
                                                
                                                    
                                                        | Warranty | 2 years |