Micro-Ohmmeters
Precision Resistance Measurement Solutions
10A Testing
CA 6255
10A Advanced Micro-Ohmmeter
The CA 6255 represents the next generation of micro-ohmmeters with enhanced features including automatic discharge system and expanded memory capacity for professional testing applications.
Safety Rating
CAT III 700V
Accuracy
±0.25% ± 2 counts
Key Features
Large backlit LCD display with enhanced visibility
Auto measurement mode with intelligent detection
Automatic discharge system for safety
Auto power-off with configurable timing
Extended memory for 1,500 measurements
RS 232 communication interface
Applications
Power system maintenance and testing
Industrial equipment quality control
Electrical installation verification
Preventive maintenance programs
Research and development testing
Educational and training applications
Technical Specifications
Measurement range:1 µΩ to 2500 Ω (7 ranges)
Resolution:0.1 µΩ to 100 mΩ (range dependent)
Accuracy:±(0.05–0.15% + offset, range dependent)
Test current:10 A, 1 A, 100 mA, 10 mA, 1 mA (range dependent)
Voltage drop:50 mV to 2500 mV (range dependent)
Temperature measurement:3-wire 100 Ω RTD, ±0.5 °C accuracy, 0.1 °C resolution
Selectable metal type:Copper, Aluminum, or custom
Test modes:Resistive (instantaneous), Inductive (continuous), Auto (repetitive)
Alarms:High/low triggers
Memory:1500 tests, DataView software included for download & reporting
Battery:6 V, 8.5 Ah NiMH rechargeable; ≥5000 tests at 10 A per charge
Charger:120/240 V AC ±20%, 45–400 Hz
Overload protection:250 V rms
Protection:IP64 (cover closed) / IP53 (cover open)
Safety:IEC/EN 61010-1, 50 V CAT III, Pollution 2
Dimensions / Weight:272 × 248 × 182 mm / 3.69 kg
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