Sanwa PM7a, Pocket Size Digital Multimeter with Built-In Case

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Description

The Sanwa PM7a is a pocket-size digital multimeter with a unique foldable design. This digital multimeter has a 4000-count display and has an accuracy of 0.7%. The device has a unique design that features an integrated protective casing that allows it to fold just like a flip phone. The device is designed to be portable and to be used for measuring weak current circuits. A similar unit is also available with integrated solar power backup (Sanwa PS8a). The PM7a can pretty much do all the basic functions such as measuring voltage both AC (500Volts max) & DC (500 Volts max), resistance (40 mega-ohms max), continuity test with buzzer as well as diode test. It cannot however measure current. The PM7a has a power-saving design with an auto power off feature that turns on after 15 minutes of inactivity. It consumes approximately
The Sanwa PM7a is a pocket-size digital multimeter with a unique foldable design. This digital multimeter has a 4000-count display and has an accuracy of 0.7%. The device has a unique design that features an integrated protective casing that allows it to fold just like a flip phone. The device is designed to be portable and to be used for measuring weak current circuits. A similar unit is also available with integrated solar power backup (Sanwa PS8a). The PM7a can pretty much do all the basic functions such as measuring voltage both AC (500Volts max) & DC (500 Volts max), resistance (40 mega-ohms max), continuity test with buzzer as well as diode test. It cannot however measure current. The PM7a has a power-saving design with an auto power off feature that turns on after 15 minutes of inactivity. It consumes approximately 5mW of power and requires 2 LR44 (1.5V) coin style battery to operate. Includes meter, instruction manual and test leads (attached). 4000 Count Display 0.07% Accuracy Range Hold Auto Power Off (15 min.) Low Power Ohm (input voltage 0.4V) at continuity range Power Saving Design Specification PM7a Measuring Range Accuracy Resolution Input Impedance DCV 400m/4/40/400/500V ±(0.7%+3) 0.1mV 10M～100MΩ ACV 4/40/400/500V ±(2.3%+5) 0.001V 10M～11MΩ Resistance 400/4k/40k/400k/4M/40MΩ ±(2.0%+5) 0.1Ω Continuity Buzzer sounds at less than 10Ω～120Ω Open voltage: approx. 0.4V Diode test Open voltage: approx. 1.5V Display Numeral display 4000 Sampling rate 3 times/sec. Bandwidth 40～400Hz Battery Button battery LR-44x2 Size/Mass H115×W57×D18mm/approx.85g Test lead length/Pin tip Length: approx. 0.5m/15mm Videos Review courtesy of Darren Walker