Fluke 70/20 Series III Digital Multimeter Specifications DCV Maximum Voltage: Fluke 70, 73, 21, 75: 600V Fluke 23, 77, 26, 79: 1000V Basic Accuracy: 0.3% Maximum Resolution: 0.1 mV ACV Maximum Voltage: Fluke 70, 73, 21, 75: 600V Fluke 23, 77, 26, 79: 1000V Basic Accuracy: Fluke 70, 73, 21, 75, 23, 77: 2% Fluke 26, 79: 1.5% Maximum Resolution: Fluke 70, 73, 21, 75, 23, 77: 1 mV Fluke 26, 79: 0.1mV DC & AC current Maximum Amps: 10A continuous (except Fluke 70) Maximum Resolution: Fluke 73, 21, 75, 23, 77: 0.01 mA Fluke 26, 79: 0.001 mA Resistance Max Resistance: Fluke 70, 73, 21, 75, 23, 77: 32 MW Fluke 26, 79: 40 MW Basic Accuracy: Fluke 70, 73, 21, 75, 23, 77: 0.5% Fluke 26, 79: 0.4% Maximum Resolution: Fluke 70, 73, 21, 75, 23, 77: 0.1W Fluke 26, 79: 0.01W Capacitance 0.1 nF -9,999 ‘F (26, 79 only) Frequency 10.5 Hz to 20 kHz (26, 79 only)