Detail Fluke 179 Multimeter
Feature Old 77 New 179 Testing Improvements
Accuracy 0.3% 0.09% Three times more accurate
True-rms No Yes Accurate on non-linear signals
Temperature No Yes No need for a thermometer
Display size Small Large Easier to read
Display backlight No Yes Usable in dim areas
Frequency No Yes Built-in frequency counter
Capacitance No Yes Measure motor caps
Max. ac voltage 750 1000 Wider measurement range
Min/ Max/ Average No Yes Capture intermittent problems
Overvoltage category safety rating Not rated CAT IV 600 Higher level of protection
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