https://www.fluke.com/th-th/product/electrical-testing/insulation-testers/fluke-1587-i400-fc-kit
Ohms Measurement
Range Resolution Accuracy +(% of Rdg+Counts)¹
600.0 Ω 0.1 Ω ±(0.9% + 2)
6.000 kΩ 0.001 kΩ ±(0.9% + 2)
60.00 kΩ 0.01 kΩ ±(0.9% + 2)
600.0 kΩ 0.1 KΩ ±(0.9% + 2)
6.000 MΩ 0.001 MΩ ±(0.9% + 2)
50.0 MΩ ² 0.01 MΩ ±(1.5% + 3)
Overload protection 1000 V rms or dc
Open circuit test voltage <8.0 V dc
Short circuit current <1.1 mA
¹ Accuracies apply from 0% to 100% of range
² Up to 80% relative humidity
Diode Test
Diode test indication Display voltage drop: 0.6 V at1.0 mA nominal test current:
Accuracy ±(2% + 3)
Continuity Test
Continuity indication
Continuous audible tone for testresistance below 25 Ω and off above 100 Ω.
Maximum Reading; 1000 Ω
Open circuit voltage <8.0 V
Short circuit current 1.0 mA typical
Overload protection 1000 V rms
Response time >1 m sec
Frequency Measurement
Range Resolution Accuracy ±(% of Rdg+Counts)
99.99 Hz 0.01 Hz ±(0.1% + 1)
999.9 Hz 0.1 Hz ±(0.1% + 1)
9.999 kHz 0.001 kHz ±(0.1% + 1)
99.99 kHz 0.01 kHz ±(0.1% + 1)
Frequency Counter Sensitivity
600.0 mV ac
V ac Sensitivity (RMS Sine Wave)¹ 5
Hz to 20 kHz
100.0 mV
V ac Sensitivity (RMS Sine Wave)¹ 20
kHz to 100 kHz
150.0 mV
DC Trigger Levels¹ to 20 kHz² NA