ESR60/ESR70 User Guide April 2012 – Rev 8
Page 14
Appendix B - Technical Specifications
All values are at 25°C unless otherwise specified.
Parameter Min Typ Max Note
Peak test current into S/C ±20mA ±22mA
Peak test voltage, full scale ESR ±40mV ±44mV
Peak test voltage across O/C ±2.5V ±3.0V
Capacitance measurement range 1µF 22,000µF
Capacitance accuracy ±4% ±0.2µF
ESR measurement range 0Ω 20Ω / 40Ω 2
ESR resolution for ESR < 2Ω 0.01Ω 0.02Ω
ESR resolution for ESR > 2Ω 0.1Ω 0.2Ω
ESR accuracy for ESR < 2Ω ±1.5% ±0.02Ω
ESR accuracy for ESR > 2Ω ±1.5% ±0.2Ω
Abuse voltage (for C < 10µF) ±275V 3
Abuse voltage (for C > 10µF) ±50V 3
Auto-Discharge voltage limit ±50V
Battery type MN21/GP23A 12V Alkaline
Battery voltage range 8.5V 12V
Battery voltage warning threshold 8.5V
Inactivity power-down period 30 seconds
Dimensions (excluding test leads) 103 x 70 x 20 mm
Operating temperature range
10°C
40°C
1
Notes
1. Subject to acceptable LCD visibility.
2. Model ESR70 is capable of measuring up to 40Ω.
3. Maximum abuse voltage rated limitation of internal protection electronics.
Probes, leads and unit are not certified for high voltage use.
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