Cropico DO4000 Series Comparison
| Features | DO4000 | DO4001 | DO4002 |
|---|---|---|---|
| True 4 terminal measurement eliminates lead resistance errors | |||
| Measuring range from 40 milli ohm to 4 kilo ohm | |||
| Measuring range from 4 milli ohm to 400 ohm | |||
| 10 micro ohm resolution | |||
| 1 micro ohm resolution | |||
| True zero capabilities | |||
| Digital Calibration | |||
| Auto / Manual range selection | |||
| Automatic temperature compensation | |||
| Temperature measuring range -50 to +800°C | |||
| Open circuit lead warning LED | |||
| 100mA measuring current | |||
| 1A measuring current | |||
| Auto power off to maximise battery life |
Cropico 4002
The DO4002 digital microhmmeter offers true portability without any sacrifice to accuracy or functionality. This micro ohmmeter is a ruggedly constructed instrument is housed in a stylish plastic case with easy to use keyboard. The measured values are displayed on a large LCD screen which allows for ease of viewing. Automatic or manual range selection is available and many advanced features are included.
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Technical Specifications
| Technical specification | |
|---|---|
| Measurement | Default Spec Value4 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 |
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