The Fluke 15B+ and 17B+ are classic economical 4,000-count multimeters from Fluke’s legacy B+ series, featuring average-responding AC measurement (non-True-RMS). Designed for residential wiring, property maintenance, home appliances and basic HVAC troubleshooting, slim pocketable form factor with cost-effective pricing, now superseded by upgraded 15B MAX / 17B MAX generation.

15B+ Entry Base Model: Only basic voltage, current, resistance, capacitance, diode and continuity ranges; no frequency, temperature, relative measurement or Min/Max trend logging, for entry-level technicians with simple electrical testing demands;

17B+ Full-Function Model: Retains all base functions of 15B+, plus five exclusive features: K-type thermocouple temperature measurement, frequency, duty cycle, Min/Max/Avg trend logging and Relative zero mode, ideal for multi-purpose HVAC, motor and heating equipment service.