LEARN THE 11 POWER CONSUMPTION MEASUREMENT TECHNIQUES FOR IOT DEVICES
- Accurately measure your IoT device or sensor's current draw and power consumption in all its operating modes: transmit, receive, monitor, control, standby and sleep modes.
- Measure current that changes from tens of nano-amps to hundreds of milli-amps or higher.
- Capture fast transitions from one mode to another.
- See short transient signals that last only microseconds.
- Test your IoT device or sensor with clean, stable, accurate and fast DC power.
BEAT THE INTERNET OF THINGS BATTERY SQUEEZE
Characterising an Internet of Things device or sensor’s power profile directly translates into the success of any IoT product. Use Keithley products from Tektronix to maximise your device’s battery life by:
- Minimising your device’s current draw
- Optimising your device’s power management
- Simulating your device’s battery accurately
With the Keithley DMM7510 Graphical Sampling Multimeter, you can easily measure the current drawn by your device from amps down to nano-amps. You can also capture short transient signals and load current waveforms for transitions between different modes.
Keithley 2280S Programmable DC Power Supplies provide a steady voltage (yellow plot) even under your device's most demanding load changes (blue plot.) These linear power supplies minimize noise and have high accuracy and high resolution monitoring.
Keithley 2281S Precision Battery Simulator allows simulating real-life battery output. Recording and playback of a battery's charging characteristics help save test time by powering your IoT device exactly like its physical battery.
Determining Average Current of an IoT Device
Andy Kirby, an Applications Engineer, shows how the Keithley DMM7510 Graphical Sampling Digital Multimeter can capture the current drain in all the states of an IoT product from the low power sleep mode to the full power transmit mode, load current burst.
Using the DMM7510’s high speed, high resolution, digitising capability, Andy captures a profile of the load current and uses cursors to determine an average drain current. This average current can be used to assess battery life based on the capacity of the battery that will power the IoT device.
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