Home Products BATTERY IMPEDANCE METER BT4560

BATTERY IMPEDANCE METER BT4560

Reliable for EIS measurement of high-capacity batteries for EVs & ESSs

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The Battery Impedance Meter BT4560 can make EIS(*1) measurements quickly and easily in applications ranging from R&D to manufacturing. It delivers high-precision measurement capability for quality control of high-capacity batteries, and it can be expanded into an evaluation system for efficiently measuring multiple batteries. In addition, a new LAN interface simplifies the process of building a testing system, offering additional convenience.

  • *1:Electrochemical Impedance Spectroscopy (EIS) is a type of testing that measures a battery's impedance across a broad frequency range using small AC signals. The technique, which yields detailed insights into characteristics such as a battery’s internal resistance and electrode reactions, aids in the understanding of battery behavior and performance, making it useful in R&D and quality control applications.

Key Features

  • EIS measurement frequency: 0.01 Hz to 1.05 kHz
  • Simultaneous measurement of impedance, voltage, & temperature
  • Convenient evaluation application software for R&D use
  • Data compatibility with third-party equivalent circuit analysis software
  • For production lines: LAN interface & advanced multi-channel solutions

Model No. (Order Code)

BT4560-50
Note: Measurement probes are not included with this product. Please separately select and purchase the measurement probe options appropriate for your application.

A reliable EIS measuring instrument for applications ranging from R&D to manufacturing

Manage Charge Transfer Resistance (Rct), Electrolyte Resistance (Rel), and Diffusion Resistance to improve the quality of battery cell inspections

- Set your own measurement frequency between 0.01 Hz and 1.05 kHz
- Use low frequencies to measure charge transfer resistance and diffusion resistance
- Use high frequencies to measure electrolyte resistance and welding resistance
- Create Nyquist (Cole-Cole) plots with bundled application program
- Use equivalent circuit analytic software to analyze internal battery defects

Create Nyquist plots instantly

Nyquist plots (Cole-Cole) of Lithium-Ion batteries can provide invaluable insights into the battery chemistry and aid in research and development. This type of analysis has often been complicated, time-consuming, and expensive.
Using Hioki's BT4560 Battery Impedance Analyzer connected to your PC, you can perform a frequency sweep quickly and easily, with the results plotted in real-time.

Measure very low impedances of 1mΩ or less

Some high-capacity Li-ion batteries have an internal impedance less than 1 mΩ.
The BT4560 is designed to measure very low impedances of 1mΩ or less with high stability and reproducibility.

Dedicated probes for four-terminal pair measurement reduce the magnetic flux generated

Probes with a four-terminal pair structure provide very stable measurement that is less affected by environmental noise or cabling.

Basic specifications

Accuracy guaranteed: 1 year
Allowable input voltage Up to 5 V
Measured items Impedance, voltage, temperature
Impedance measurement Parameters: R (resistance), X (reactance), Z (impedance), θ (phase angle)
Frequency: 0.01 Hz to 1050 Hz
Measurement ranges: 3.0000 mΩ, 10.0000 mΩ, 100.000 mΩ
Measurement current: 3 mΩ range: 1.5 A rms, 10 mΩ range: 500 mA rms, 100 mΩ range: 50 mA rms
Voltage measurement Measurement range: 5.00000 V (single range), measurement time: 0.1 s (FAST) to 1.0 s (SLOW)
Temperature measurement Range: -10.0°C to 60.0°C, measurement time: 2.3 s
Basic accuracy Z: ±0.4% rdg. θ: ±0.1°, V: ±0.0035% rdg. ±5 dgt., Temperature: ±0.5°C (at 10.0°C to 40.0°C)
Functions Comparator, self-calibration, sample delay, average, voltage limit, potential gradient compensation for impedance measurement, charge/discharge prevention during AC signal application, key lock, system test, panel saving and loading (up to 126 condition sets)
Interfaces LAN, RS-232C, USB, EXT. I/O (NPN/PNP can be switched)
Power supply Rated supply voltage: 100 V to 240 V AC
Rated supply frequency: 50 Hz/60 Hz
Rated power 80 VA max
Dimensions and weight Approx. 330W × 80H × 293D mm (12.99W × 3.15H × 11.54D in.), approx. 3.8 kg (134.0 oz.)
Included accessories Power cord × 1, instruction manual × 1, zero-adjustment board × 1, USB cable (A-B type) × 1, CD-R (comes with communication instruction manual, PC application software, and USB driver) × 1

Probes and sensors (5)

4-TERMINAL PROBE L2000

Cable length 1 m (3.28 ft), DC to 8 MHz（Can be measured up to 10 MHz, when combined with the special order model IM3536-01）, impedance characteristics of 50 Ω, 4-terminal pair configuration, measurable conductor diameter: ø0.3 (0.01 in) to 5 mm (0.20 in)

CLIP TYPE PROBE L2002

Cable length 1.5 m (4.92 ft) length

PIN TYPE PROBE L2003

Cable length 1.5 m (4.92 ft) length

TEMPERATURE SENSOR Z2005

Cable length: 1 m (3.28 ft.)

TIP PIN 9772-90

To replace the tip of models Pin Type Lead 9772, L2100, L2110, L2120, and Pin Type Probe L2003 (one pin)

Connect via PC (2)

RS-232C CABLE 9637

9 pin - 9 pin, cross, 1.8 m (5.91 ft) length

LAN CABLE 9642

Straight Ethernet cable, supplied with straight-to-cross conversion adapter, 5 m (16.4 ft.)

Compatible products (2)

SWITCH MAINFRAME SW1001

Learn more

• Pair with a measuring instrument for quick, multi-channel battery testing
• Max 60V DC input
• Max. 18 (4-terminal pair) to 66 (2-wire) channels
SWITCH MAINFRAME SW1002

Learn more

• Pair with a measuring instrument for quick, multi-channel battery testing
• Max 60V DC input
• Max. 72 (4-terminal pair) to 264 (2-wire) channels

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