| |
Ranges |
2 ohms |
20 ohms |
200 ohms |
2000 ohms |
20 k ohms |
| Resolution |
1 m ohms |
10 m ohms |
0.1 ohms |
1 ohms |
10 ohms |
| Resistance Measurement Frequency |
128 Hz square wave |
| Test Current |
2 mA, 10 mA, 50 mA |
| Accuracy |
±2% of Reading ± 1ct from 10% to 100% of range |
| Auxiliary Electrode Resistance |
Ry: |
50 k ohms on 20 ohms, 200 ohms, 2000 ohms & 20 k ohms ranges; 5 k ohms on 2 ohms range |
| Rz: |
2 mA range: 15 k ohms; 10 mA range: 3000 ohms; 50 mA range: 400 ohms |
| Interference |
The unit is designed to reject high levels of interference voltages at DC, or 50/60 Hz and their harmonics |
| Noise Influence on Accuracy |
0.5% of range (max) to 20V peak |
| Power Source |
Built-in rechargeable 12V, one Ah NiCD battery, or external 12 VDC; low battery indication. Battery can be recharged with built-in dual voltage charging unit:94 to 127V or 187 to 253V (47 Hz to 450 Hz) |
| Charging Time |
14 hours typical |
| Charging Supply Voltage |
Internally selectable 110/220V, 45 to 450Hz |
| Battery Life |
Four hrs on 50mA test current (800 15 sec measurements),Seven hrs on 2mA and 10mA test currents (1500 15 sec. measurements) |
| Fuse Protection |
500 Vrms measurement circuit |