| Seaward DO4002 Specification | 
        
        
            | Measurement: | 
            4 Terminal Kelvin / Thomson principle eliminates errors due to lead resistance. | 
        
        
            | Display: | 
            15mm LCD 4000 count with automatic decimal point and polarity indication | 
        
        
            | Ranges: | 
            6 automatic or manual selection with LED indication | 
        
        
            | Terminals: | 
            4mm safety sockets | 
        
        
            | Working temperature: | 
            0°C to +45°C rel. humidity 80% max. non-condensing | 
        
        
            | Storage Temperature: | 
            -20°C to +60°C | 
        
        
            | Safety: | 
            EN 61010-1 EMC - EN 61236 | 
        
        
            | Dimensions: | 
            215mm x 130mm x 55mm (W H D) approx 
            467mm x 374mm x 216mm packed in carton | 
        
        
            | Mass: | 
            0.8kg approx | 
        
        
            | Zero: | 
            Button to null measurement offsets | 
        
        
            | Protection: | 
            415 Vrms maximum at the measuring terminals will blow internal protection fuse | 
        
        
            | Calibration: | 
            Digital pass code protected | 
        
        
            | Battery: | 
            Removable pack with 5 1.5V non-rechargeable batteries. Separate rechargeable pack, charger and docking station as optional extras | 
        
        
            | Resistance Measurement: | 
        
        
            | Range | 
            Resolution | 
            Typical Current | 
            Accuracy @ 20°C ±5°C 1 year | 
            Temperature Coefficient/°C | 
        
        
            | 4k Ω | 
            1 Ω | 
            100µA | 
            ±(0.05% Rdg +0.02% FS) | 
            30ppm Rdg + 1ppm FS | 
        
        
            | 400 Ω | 
            100m Ω | 
            1mA | 
            ± (0.05% Rdg +0.02% FS) | 
            30ppm Rdg + 1ppm FS | 
        
        
            | 40 Ω | 
            10m Ω | 
            10mA | 
            ± (0.05% Rdg +0.02% FS) | 
            30ppm Rdg + 1ppm FS | 
        
        
            | 4 Ω | 
            1m Ω | 
            10mA | 
            ± (0.05% Rdg +0.03% FS) | 
            30ppm Rdg + 4ppm FS | 
        
        
            | 400m Ω | 
            100µ Ω | 
            10mA | 
            ± (0.05% Rdg +0.05% FS) | 
            30ppm Rdg + 25ppm FS | 
        
        
            | 40m Ω | 
            10µ Ω | 
            100mA | 
            ± (0.05% Rdg +0.1% FS) | 
            30ppm Rdg + 25ppm FS |