Description
Measurement of Leakage Current in EV Power Management
In the domain of e-mobility, especially electric vehicles (EV), range extension is one of the most important priorities. To boost range, it’s important to measure power consumption and leakage current not only for batteries and powertrains, which use a large amount of power, but also for devices such as ECUs and electrical accessories.

Scope 3 emission reduction through recording of current consumption and heat energy loss
To attain Scope 3 (*1) emissions targets and ensure alignment with decarbonization goals, it is important to accurately understand the impact of our products on the environment.
We will offer tips to aid developers striving for Scope 3 compliance, focusing on techniques to pinpoint energy losses in electronic components through current and temperature data acquisition.

Stable Logging – Even at High Voltages and Frequencies. Minimize the Effects of Noise.
The LR8450 reduces the effects of noise to deliver stable logging, even at high voltages and frequencies.
Legacy data loggers could not log temperature accurately in noisy environments due to the effects of high frequencies, which caused values to shift or fluctuate significantly.
The new Hioki Memory HiLogger LR8450 uses a revamped design to dramatically reduce the effects of high-frequency noise, and is ideal for temperature logging of inverters and batteries.
Connect strain gages directly and make measurements in as little as 1 ms.
The Memory HiLogger LR8450 is a data logger that can measure stress via directly connected strain gages. Capable of recording at frequencies on the order of dozens of hertz thanks to sampling at up to 1 ms, the LR8450 is ideal for measuring stress and load on moving parts and strain on components such as brakes and pipes. And because it can accommodate a mix of various measurement modules, the LR8450 can simultaneously measure strain, temperature, and voltage as necessary.
Add a total of up to 7 wireless modules for a maximum of 330 channels
With four U8552 VOLTAGE/TEMP Units and seven LR8532 WIRELESS VOLTAGE/TEMP Units, you can measure a total of 330 channels.

Analog 600 CH Synchronous Sampling Measurement [Since V2.10]
Synchronized sampling up to 5 plug-in modules (600 analog channels) can be measured when multiple LR8450’s external sync terminals (SYNC.IN, SYNC.OUT) are connected.
Note: This function cannot be used when wireless modules are connected.

Sample output from a variety of sensors, including 1 ms pressure sensors
Measures at a sampling rate of up to 1 ms.
1 ms sampling rate is the best match to measure sensor outputs with a frequency response of under 100 Hz, for example pressure and vibration sensors.

Measure strain with a 1 ms sampling rate
Connect strain gauges directly and measure at a sampling rate of up to 1 ms.
Strain gauges tend to have long, thin wires that are easily broken, but that potential pitfall can be avoided by using wireless modules so that wire length is minimized.

Measure temperature near an inverter or battery
Measures at a sampling rate of up to 10 ms.

Make measurements in locations where it would be difficult to route wires
Work time can be reduced by using the LR8450-01 and wireless modules, since only minimal wiring is required. If the measurement target is located in a lab, this approach eliminates the need to string wire and drill holes in the walls of the monitoring room where data is checked.

Battery EV thermal management by measuring temperature and heat flow
Heat flow can be measured by combining the LR8450 with the FHF05 Heat Flux Sensor. Since these sensors allow both temperature and the direction of heat movement to be confirmed, they are useful when validating thermal management.

Observe data from a remote location using a PC or tablet
By connecting the LR8450-01 to a PC or tablet via a wireless LAN, you can control the instrument remotely using the built-in HTTP server or download data files using the built-in FTP server.

Dedicated cloud service for Hioki’s GENNECT series
You can access remote instruments anytime, anywhere
GENNECT Cloud
“GENNECT Cloud” is a remote measurement service that anyone can easily start.
By connecting to the Internet, you can easily check the latest measurement values, send alarms, collect measurement files, and perform remote control.
GENNECT One
“GENNECT One” is a free Windows application that provides central management of multiple instruments on a LAN. By logging in to GENNECT Cloud from GENNECT One, you can move beyond your LAN and connect to instruments in remote locations.























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