Seaward DO4000 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 |
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 |