Tektronix DMM249 Handheld Digital Multimeter
DC Volts Overload Protection: 1100 VDC or VAC peak-to-peak.
Frequency Response: 3 V range: 40 to 300 Hz; Other ranges: 40 Hz to 1 kHz.
Accuracy: ±(1.3% of rdg + 3 cts).
Input Resistance: 10 megaohm paralleled by < 100 pF.
AC Volts Overload Protection: 1100 VAC peak-to-peak.
DC Current Burden Voltage: 300 µA, 30 mA: 200 mV max; 3 mA, 300 mA, 20 A: 2 V max.
DC Current Overload Protection: mA ranges: 1 A (600 V) fast-blow fuse; 20 A range: 15 A (600 V) fast-blow fuse
AC Current Burden Voltage: 300 µA, 30 mA ranges: 200 mV max; Other ranges: 2 V max.
AC Current Frequency Response: 40 Hz to 1 kHz.
Overload Protection: mA ranges: 1 A (600 V) fast-blow fuse; 20 A range: 15 A (600 V) fast-blow fuse.
Resistance Overload Protection: 600 VDC/AC RMS.
Test Voltage (open circuit): approximately equal to 1.3 V.
Continuity Buzzer sounds if resistance < 30 Ohm.
Input Protection: 600 VDC/AC RMS.
Diode Test Max Test Current: 1.5 mA.
Test Voltage (open circuit): 3.3 V.
Resolution: 1 mV.
Input Protection: 600 VDC/AC RMS.