Handheld Digital Storage Oscilloscope with Hold Function The HPS140MK2 Handheld Pocket Oscilloscope is the next generation of our HPS140I scope. The new design is still as powerful as our previous model but comes in a sleek modern chrome. This pocketsized digital storage scope is ideal for makers and electrical engineers alike. It includes a 8 bit AD resolution sample rate of up to 40 MS/s and has an 8 hour operating time. Weighing at under 6 ounces the HPS140MK2 is our most powerful handheld oscilloscope. Features: Manual or auto set up function Probe x10 readout options Memory hold & storage function Time & voltage markers readout Monochrome OLED Full auto range option Direct audio power measurement Specifications: Bandwidth Up to 10 MHz (3 dB or 4 dB at selected ranges) Input Voltage Range 1 mV 20 V Input Coupling DC AC and GND RealTime Sample Rate Up to 40 MS/s AD Resolution 8 bits Time Base 250 ns to 1 h per division Readouts DC AC + DC True RMS dBm Vpp MinMax ± 2.5% Audio Power Measurement 2 to 32 ohms Power Supply 4 1.5 V AAA batteries Not Included Operating Time Up to 8 hours Dimensions 4.49 in. x 2.68 in. x 0.87 in. (114 x 68 x 22 mm) Weight 5.86 oz Current Consumption Max. 150 mA