Digital Multimeter, Multimeter with AC DC Voltmeter & Ohm Volt Amp Tester, Multifunction Battery Tester, Pocket Meter with Backlight Tests Wire, Voltage Tester Measure Voltage Current Resistance Diode: Amazon.com: Tools & Home
Multimeter module links to iPhone or iPad | Elektor Magazine
Network Multimeter by Jackson Software
Voltset – a smart multimeter for your smartphone – Labrigger
REVIEW: Mooshimeter, a compact wireless DMM | Elektor Magazine
Multimeter iPhone Cases | Fine Art America
SIMPSON 215 ANALOG MULTIMETER SCHEMATIC" iPhone Case by prodias | Redbubble
STT Fast Speed Test Fixture for iPhone 6S 4.7 Motherboard Testing Refurbished Tool Cooperate with Multimeter Fast Test Reading|Power Tool Sets| - AliExpress
Turn Your Phone into a Multimeter - Electronic Products