|
Measurement |
4 Terminal Kelvin/Thomson principle eliminates error due to lead resistance. Open circuit measurement voltage approx. 5V dc. |
|
Display |
15mm LCD 4,000 count with automatic decimal point and polarity indication |
|
Ranges |
6 Ranges with automatic or manual selection |
|
Auto Zero |
Permits the automatic zero of amplifiers and external circuits eliminating errors due to thermal emf. |
|
Calibration |
Digital |
|
Protection |
415 rms maximum at input terminals |
|
Battery |
5 AA size manganese Alkaline supplied with unit. Rechargeable battery pack option includes 5 AA size Ni/Mhd, housed in removable cassette plus docking station and charger. Automatic Power OFF ensures maximum battery life |
|
Temperature Compensation |
The model 4002 also includes temperature compensation which references the measurement to an ambient temperature of 20 Deg.C. Coefficients for copper and aluminium are pre programmed and a user coefficient facility enables coefficients for any material to be entered. |
|
Temperature Measurement |
The Model 4002 also include temperature measurement over the range -50...+800 Deg C. Using a Pt100 temperature probe which may be ordered as an option. |
|
Terminals |
4mm safety sockets |
|
Working Temperature |
0...40°C rel. humidity 80% max. non-condensing |
|
Storage Temperature |
-20 ... +50°C. |
|
Charger Mains Supply |
100/120/220/240 Volts +10% -13%. 47 ... 63Hz. 20VA |
|
Safety |
EN61010-1 EMC - EN61326 |
|
Dimensions |
215 x 130 x55mm (W H D) |
|
Weight |
0.8kg |
|
Accessories |
Supplied complete batteries, measuring leads with Kelvin Clips, handbook, and calibration certificate |
|
Range |
Resolution |
Typical Current |
Uncertainly @ 20°C ±5°C, 1 year |
Temperature Coefficient / °C |
|
400ohm |
100 mohm |
1mA |
±(0.05% Rdg + 0.02% FS) |
30 ppm Rdg + 1 ppm FS |
|
40ohm |
10 mohm |
1mA |
±(0.05% Rdg + 0.02% FS) |
30 ppm Rdg + 1 ppm FS |
|
4ohm |
1 mohm |
100 mA |
±(0.05% Rdg + 0.02% FS) |
30 ppm Rdg + 1 ppm FS |
|
400mohm |
100 µohm |
1A |
±(0.05% Rdg + 0.03% FS) |
30 ppm Rdg + 4 ppm FS |
|
40mohm |
10 µohm |
1A |
±(0.05% Rdg + 0.05% FS) |
30 ppm Rdg + 25 ppm FS |
|
4mohm |
1 µohm |
1A |
±(0.05% Rdg + 0.01% FS) |
30 ppm Rdg + 25 ppm FS |