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Products Infomation
Introducing a Modular Data Logger Engineered for Use in Embedded Applications
Measurement systems are being called upon to deliver sophisticated capabilities as efficient energy use and e-mobility technologies progress.
Hioki data loggers drive solutions that turn measurement system issues into advantages, for example by assuring the safety of high-voltage systems, accommodating enormous numbers of measurement channels, and realizing data compatibility with upstream systems.
DATA LOGGER
Model:
LR8101, LR8102
Maker:
HIOKI
Modular-Based Data Logger System: Versatility and High Accuracy
Offers multi-channel capability, high-voltage rating, all while maintaining the high-accuracy of a power analyzer class instruments
Introducing a revolutionary data logger system, perfect for embedded applications and essential for evaluating energy-efficient products.
Integrating high-precision power and temperature measurements, this system is crucial for comprehensive data on temperature, power consumption, and power conversion efficiency.

Key Performance Features:
- High Precision: Power analyzer class accuracy for high voltage, high current, and high-power measurements
- Scalability and Versatility: Supports up to 3000 channels for voltage and temperature, and 120 channels for power measurement
- High Speed: Data refresh interval 5 ms
- High-Precision Current Sensors: Measures up to 2000 A
Realizing a Compact, High-precision PV Inverter Testing System
For PV inverter production lines
Introducing a modular power meter that’s ideal for PV inverter production line use.
Among PV inverters, string inverters are being engineered to operate at higher voltages and to provide more input circuits in order to facilitate energy-efficient operation. Equipment used on lines producing such inverters must support high voltages while providing sufficient expandability to accommodate a growing number of measurement points, all in a smaller testing equipment footprint. Hioki developed the M7103 to satisfy these requirements.

General specifications
Accuracy guaranteed: 1 year
| Product model | Data Logger LR8102 | Data Logger LR8101 |
| Modules that can be connected | See [Options] > [Connectable measurement modules] | |
| Maximum number of module connections | 10 (maximum of 4 units for M7103) | |
| Maximum number of synchronizable loggers | 10 (Requires optical connection cables) |
N/A |
| Power supply | AC adapter: AC Adapter Z1016 (operates on 12 V DC ±10%) External power supply: 10 V DC to 30 V DC AC Power Module M1100: Always required when using the Power Measurement Module M7103. |
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| Operating temperature and humidity range | −10°C to 50°C (14°F to 122°F), 80% RH or less (non-condensing) | |
| Number of LAN ports | 2 | 1 |
| Communication interface | [LAN1 functionality] Collecting data and setting recording conditions using Logger Utility Setting the initial IP address using Logger Utility Setting and controlling recording using communication commands Manually acquiring data using an FTP Server Automatically sending data via FTP (FTP client) HTTP server function XCP on Ethernet (TCP) NTP client function[LAN2 functionality] XCP on Ethernet (UDP) Measurement data can be output by UDP |
[LAN1 functionality] Collecting data and setting recording conditions using Logger Utility Setting the initial IP address using Logger Utility Setting and controlling recording using communication commands Manually acquiring data using an FTP Server Automatically sending data via FTP (FTP client) HTTP server function XCP on Ethernet (TCP) NTP client function |
| External media | USB Drive, Operation guaranteed: Z4006 (16 GB) SD memory card/SDHC memory card supported, Operation guaranteed: Z4001 (2 GB), Z4003 (8 GB) |
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| External control terminal | Pulse/logic input (1), External sampling input (1), External input and output (4), Alarm output (4), GND terminal (5), CAN interface (1) | Pulse/logic input (1), External sampling input (1), External input and output (4), Alarm output (4), GND terminal (5) |
| Dimensions and weight | – No module: Approx. 80W × 166H × 238D mm (3.1W × 6.5H × 9.4D in.) (excluding protruding parts), Approx. 1.5 kg (3.3 lbs) – With one M7100 installed: Approx. 134W × 166H × 263D mm (5.3W × 6.5H × 10.4D in.) (excluding protruding parts) – With ten M7100 installed: Approx. 620W × 166H × 263D mm (24.4W × 6.5H × 10.4D in.) (excluding protruding parts) |
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| Included accessories | Operating Precautions ×1, Startup Guide ×1, Logger Utility Instruction Manual, CAN Editor, CAN Editor Instruction Manual, Communication Command Instruction Manual) | |
Note
This product does not include an AC adapter. Either the AC Adapter Z1016, Power Cable L1012, or the AC Power Module M1100 must be purchased separately. In case of combining with the M7103, the AC Power Module M1100 is required.





