Amprobe LCR55A User Manual page 9

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Agency Approvals: EMC
This product complies with requirements of the following European
Community Directives: 89/336/EEC (Electromagnetic Compatibility) and 73/23/
EEC (Low Voltage) as amended by 93/68/EEC (CE Marking).
However, electrical noise or intense electromagnetic fields in the vicinity of
the equipment may disturb the measurement circuit. Measuring instruments
will also respond to unwanted signals that may be present within the
measurement circuit. Users should exercise care and take appropriate
precautions to avoid misleading results when making measurements in the
presence of electronic interference
Electrical Specifications
Accuracies at 23°C ± 5°C, <75% RH.
Resistance
Ranges: 20, 200Ω, 2, 20, 200kΩ, 2, 20MΩ
Resolution, 20Ω range: 10mΩ
Accuracy: 20Ω range: ±1.2% rdg (zero adjust)
200Ω range: ±0.5% rdg +3dgt
2k to 2MΩ rgs: ±(0.5% rdg +1dgt)
20MΩ rg: ±(2.0% rdg +2dgt)
OL Protection, all ranges: 350VDC or AC RMS
Open Circuit Voltage; 20Ω range: 6.5VDC; 200Ω range: 3.0VDC; other ranges:
1.2VDC
Continuity
Audible Indication, 2kΩ rg: at R ≤30Ω
Response time: 800ms approx
OL Protection: 350VDC or AC RMS
Diode Test
Test Current: 1mA (approx.)
Test Voltage: 3.0VDC typical
Accuracy: ±(1.5%rdg +1dgt)
Display: Forward Junction Voltage
OL Protection: 350VDC or AC RMS
Micro Wave Diode Test
Test Current: 1.3mA (approx.)
Test Voltage: 8.0VDC typical
Accuracy: ±(3.0%rdg +1dgt)
Display: Forward Junction Voltage
OL Protection: 350VDC or AC RMS
Capacitance
Ranges: 200pF, 2, 20, 200nF, 2, 20, 200, 2000µF
Accuracy*:200pF to 200nF: ±(1.0% rdg +3dgt)
2µF to 200µF rgs: ±(2.0% rdg +3dgt)
2000µF range: ≤1000µF ±(3.0% rdg +3dgt)
>1000µF ±(5.0% rdg +5dgt)
Note: In lower ranges, substract 6 points residual offset reading from result
Test Frequency: 200p to 2µF: 1000Hz; 20, 200µF ranges: 100Hz; 2000µF range:
10Hz
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