| 
                          Model 
                         | 
                        
                         Dimension (L×W×H) 
                         | 
                        
                         Specification 
                         | 
                        
                         Features 
                         | 
                    
                    
                        | HL-1 | 
                        120×120×180mm | 
                        Flow rate: 1-600ml/h 
                        Pressure: ≥ 3kg /cm², single channel | 
                         easy-to-operate | 
                    
                    
                        |  HL-1B | 
                        120×120×180mm | 
                        Flow rate: 0.5-600ml/h 
                        Pressure ≥ 3kg /cm², single channel; 
                        Speed range: 0-50 r.p.m., digital display and  							Stepless speed regulation | 
                         SCM Control and LED displays  							current rpm | 
                    
                    
                        | HL-1D | 
                        120×120×180mm | 
                        Flow rate: 0.5-900ml/h 
                        Pressure ≥ 3kg /cm², single channel; 
                        Speed range: 0-65 r.p.m., digital display and  							Stepless speed regulation | 
                         SCM Control and digital  							display | 
                    
                    
                        | HL-1S | 
                        120×120×180mm | 
                        Flow rate: 1-600ml/h 
                        Pressure ≥ 3kg /cm², single channel; | 
                        organics-resistant  | 
                    
                    
                        |  HL-2 | 
                        120×120×180mm | 
                        Flow rate: 2×(1-600) ml/h 
                        Pressure ≥ 3kg /cm², dual channel; | 
                        easy to operate | 
                    
                    
                        | HL-2B | 
                        120×120×180mm | 
                        Flow rate: 2×(0.5-600) ml/h  
                        Pressure ≥ 3kg /cm², dual channel; 
                        Speed range: 0-50 r.p.m., digital display and  							Stepless speed regulation | 
                        SCM Control and LED displays current  							rpm | 
                    
                    
                        | HL-2D | 
                        120×120×180mm | 
                        Flow rate: 2×(0.5-900) ml/h  
                        Pressure ≥ 3kg /cm², dual channel; 
                        Speed range: 0-65 r.p.m., digital display and  							Stepless speed regulation | 
                        SCM Control and LED displays current  							rpm | 
                    
                    
                        | HL-2S | 
                        120×120×180mm | 
                        Flow rate: 2×(0.5-600) ml/h 
                        Pressure ≥ 3kg /cm², dual channel; 
                        Speed range: 0-50 r.p.m., digital display and  							Stepless speed regulation | 
                        Organics-resistant | 
                    
                    
                        | HL-3 | 
                        Pump dimension:   							120×120×180mm   
                        Controller dimension:   260×200×120mm | 
                        Flow rate: 60-10000ml/h 
                        Pressure ≥ 2kg /cm²; single channel | 
                        easy to operate | 
                    
                    
                        | HL-3A | 
                        Pump  							dimension: 
                        120×120×180mm  
                        Controller dimension:  260×200×120mm | 
                        Flow rate: 60-12000ml/h 
                        Pressure ≥ 2kg /cm²; dual channel 
                        Speed range: 0-155 r.p.m., digital display and  							Stepless speed regulation | 
                        SCM Control and easy to operate  
                          | 
                    
                    
                        | HL-4 | 
                        Pump dimension:    							120×120×180mm  
                        Controller dimension:   260×200×120mm | 
                        Flow rate: 60-18000ml/h 
                        Pressure ≥ 2kg /cm²; single channel | 
                        easy to operate | 
                    
                    
                        | HL-4A | 
                        Pump dimension:    							120×120×180mm  
                        Controller dimension:   260×200×120mm | 
                        Flow rate: 120-24000ml/h 
                        Pressure ≥5kg/cm²; single channel | 
                        High pressure | 
                    
                    
                        | HL-4B | 
                        Pump dimension:    							120×120×180mm  
                        Controller dimension:   260×200×120mm | 
                        Flow rate: 60-18000ml/h 
                        Pressure≥2kg/cm²; single channel 
                        Speed range: 0-155 r.p.m., digital display and  							Stepless speed regulation | 
                        SCM Control and LED displays current  							rpm | 
                    
                    
                        | D100B | 
                        180×290×160mm | 
                        Flow rate: 2-6000ml/h 
                        Pressure≥ 3kg /cm²; single channel 
                        Timing control range: 1min to 24h (free choice) | 
                        digital display and timing control 							 
                          | 
                    
                    
                        | D100C | 
                        180×290×160mm | 
                        Flow rate: 2×(5-5000ml/h) 
                        Pressure≥ 3kg /cm²; dual channel 
                        Timing control range: 1min to 24h (free choice) | 
                        digital display and timing control | 
                    
                    
                        | DHL-A/B | 
                        120×120×180mm | 
                        Flow rate: 2×(0.6-900) ml/h 
                        Pressure≥ 3kg /cm²; dual channel 
                        Ration control range: 0-9999ml or 0-99.99L (free  							choice) 
                        Power outages data saving time: 10years | 
                        digital display and SCM Control |