DO7e - Measurement Cropico - Free user manual and instructions
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| Brand | Cropico |
| Model | DO7e |
| Product Type | Micro-ohmmeter / Digital Low Resistance Ohmmeter |
| Measurement Range | 0.1 µΩ to 2 kΩ (auto-ranging) |
| Accuracy | ±0.05% of reading ± 2 digits |
| Resolution | 0.1 µΩ on lowest range |
| Test Current | Up to 10 A DC (selectable) |
| Display | Large backlit LCD, 4 1/2 digits |
| Measurement Modes | Continuous, triggered, and resistance ratio |
| Interfaces | RS-232, USB (optional), and foot switch port |
| Power Supply | AC 100-240 V, 50/60 Hz, internal rechargeable battery |
| Battery Life | Approximately 8 hours (continuous use) |
| Dimensions (H x W x D) | 90 x 220 x 260 mm |
| Weight | 2.5 kg |
| Accessories Included | Kelvin clips (4-wire test leads), power cord, calibration certificate |
| Safety Rating | IEC 61010-1, CAT II 300V |
| Operating Temperature | 0°C to 50°C, <85% RH |
| Storage Temperature | -20°C to 60°C |
| Calibration Interval | Annual recommended |
Frequently Asked Questions - DO7e Cropico
What is the DO7e micro-ohmmeter used for?
The DO7e is designed for precision low-resistance measurements in applications such as contact resistance, wire bonding, transformer windings, and motor windings.
How does the 4-wire (Kelvin) measurement work?
The 4-wire method uses separate current and potential leads to eliminate lead resistance errors, enabling accurate measurements of very low resistances.
What is the maximum test current of the DO7e?
The maximum test current is 10 A, selectable in steps (1 A, 5 A, 10 A) depending on the measurement range.
Can the DO7e measure inductors or capacitors?
No, the DO7e is a DC resistance meter and is not designed for AC impedance measurements or for measuring inductors/capacitors.
How do I calibrate the DO7e?
Calibration should be performed annually by an authorized service center using traceable standards. The front panel allows zero adjustment and calibration lock.
What is the battery life and charging time?
The built-in rechargeable battery lasts about 8 hours under continuous use. Full charge takes approximately 3 hours.
Does the DO7e have data logging capabilities?
Yes, via the optional USB interface and dedicated software, measurements can be logged into a PC.
What safety precautions should I take?
Always use the included Kelvin clips and ensure the measurement surface is de-energized. Do not exceed the rated voltage (CAT II 300V).
How do I clean the DO7e?
Clean the case with a soft cloth slightly moistened with water or mild detergent. Do not use solvents or abrasives. Avoid moisture entering the terminals.
Where can I find the user manual?
The manual is available for free download on the official Cropico website or from the manufacturer's product page.
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