Gardner Bender GDT-3200 Digital Multimeter, 7 Funct., 7 Range, Tests AC/DC Volt, Resist, Diode, Continuity, Temp and Battery, ... The 7 position auto-ranging smooth rotary style achieves precise readings and the low battery indicator with auto-off function ensures an accurate read-out. Durable housing with a rubber boot is drop resistant to 6 ...DC Voltage Range: 1000V. Maximum Input Voltage: 600V. Number of Counts: ... Auto-Ranging, Backlight, Data Hold, Bar Graph Display. Display: Digital. About this product. Product Identifiers. ... Outstanding Multimeter!! Quality, features, accuracy, and user friendliness are all outstanding! Tired of inexpensive multimeters that are easily ...The AtoD converter built into the Arduino's has poor accuracy, typically +/-10% and very limited range, typically 0 to 5V DC volts only. Using a simple circuit and library, you can feed your Arduino with high accuracy auto-ranging measurements from a multimeter with an optically isolated RS232 connection.
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