| Specifications | 
        
            | Maximum voltage between any terminal and earth ground |  | 
        
            | Display | 
                
                    
                        |  | 3 3/4-digits, 6000 counts, updates 4/sec |  | 
        
            | Operating temperature | 
                
                    
                        |  | -10 °C to 50 °C (14 °F to 122 °F) |  | 
        
            | Storage temperature | 
                
                    
                        |  | -40 °C to 60 °C (-22 °F to 140 °F) |  | 
        
            | Temperature coefficient | 
                
                    
                        |  | 0.1 x (specified accuracy)/°C (< 18 °C or > 28 °C) |  | 
        
            | Operating altitude |  | 
        
            | Storage altitude |  | 
        
            | Relative humidity | 
                
                    
                        |  | 95 % to 30 °C |  
                        |  | 75 % to 40 °C |  
                        |  | 45 % to 50 °C |  | 
        
            | Battery type | 
                
                    
                        |  | 9 Volt Alkaline, ANSI 1604A / IEC 6F22 |  | 
        
            | Battery life | 
                
                    
                        |  | Alkaline: 300 hours typical, without backlight |  | 
        
            | Shock | 
                
                    
                        |  | 1 Meter drop per IEC 61010-1-2001 |  | 
        
            | Vibration | 
                
                    
                        |  | Per MIL-PRF-28800 for Class 2 instrument |  | 
        
            | Size (HxWxL) | 
                
                    
                        |  | 167.1 mm X 85.1 mm X 46.0 mm (6.58 in X 3.35 in X 1.81 in) |  | 
        
            | Weight |  | 
        
            | Safety | 
                
                    
                        |  | Complies with ANSI/ISA 82.02.01 (61010-1) 2004, CAN/CSA-C22.2 No 61010-1-04, UL 61010-1 (2004) and IEC/EN 61010-1 2nd Edition for measurement Category III, 600 V, Pollution Degree 2, EMC EN61326-1 |  | 
        
            | EMI regulations | 
                
                    
                        |  | Complies with FCC Part 15, Class B |  |