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HF-BT-410 Battery Health Tester
Battery Health Tester rapidly measures battery internal resistance and voltage. It accurately assesses the health status of lead-acid batteries, helping staff identify defective cells efficiently for routine maintenance in power stations, UPS and communication sites.
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Internal resistance is a key indicator of battery status and varies among different battery types. It refers to the resistance encountered by current flowing inside the battery during operation. Even batteries of the same type have different internal resistance due to inconsistent internal chemical properties. Under normal conditions, batteries with lower internal resistance deliver stronger discharge capacity, while higher internal resistance leads to weaker discharge performance.
Internal resistance consists of ohmic resistance and polarization resistance. Elevated internal resistance causes voltage drop during discharge and shortened discharge duration. Battery failure, insufficient capacity or improper charging/discharging will be reflected by changes in internal resistance. Therefore, measuring internal resistance enables evaluation of battery operating status. Note that battery internal resistance is not a fixed value; it includes ohmic resistance and polarization resistance (electrochemical polarization resistance & concentration polarization resistance).
HF-BT-410 Battery Health Tester adopts the AC discharge testing method, combining advantages of AC injection and DC discharge methods. The processor controls an adjustable load via D/A to discharge the battery pack and generate low-frequency signals for shunting, coupling and filtering. It accurately measures terminal voltage and internal resistance to judge battery capacity and performance.
Users can select internal resistance test, voltage test and capacity estimation. It serves as the basis for internal resistance matching during new battery assembly. Internal resistance testing before and after discharge identifies degraded batteries. It supports touchscreen and keypad operation, enabling grouped or single battery measurement. Widely used by battery manufacturers, base station operation & maintenance, data centers, substation inspection, and on-line/off-line maintenance in rail transit systems.
Feature List
- Multiple measurement modes: internal resistance measurement and performance evaluation for single cells, battery groups, and battery connection resistance (optional).
- On-line testing support: performs on-line or off-line measurement without removing or disconnecting busbars, featuring strong anti-interference performance.
- Compact lightweight design: weighs less than 0.45 kg, handheld design for single-person operation with fully automatic measurement.
- Dual operation: 5-inch touch screen or physical keypad. Convenient parameter configuration and data analysis. Keypad operation is user-friendly for users wearing insulating gloves.
- Adopts precise 4-wire Kelvin algorithm: accurately measures voltage drop across the given resistance and improves internal resistance testing precision. Integrated test clips and probes, compatible with over 98% of battery connection modes and terminals.
- Simple operation: intelligent digital design with full Chinese menu. It will not affect battery operating status and poses no safety risks.
- Compliant with various internal resistance testing standards: built-in reference thresholds for battery internal resistance. Users can select corresponding measuring ranges; new thresholds can be imported via software if needed.
- Powerful data storage: stores thousands of test records for inquiry and analysis on the device. Test data can be exported to PC software via USB flash drive to generate charts and curves.
- Report printing function: test reports can be exported to Excel and Word, and printed in specified formats to simplify workload.
Specifications
| HF-BT-410 | Parameters |
|---|---|
| Voltage Measurement Range | 1V ~ 25V |
| Internal Resistance Measurement Range | 0.01mΩ ~ 120mΩ |
| Voltage Accuracy | ±0.2%rdg ±6dgt |
| Internal Resistance Accuracy | ±2.0%rdg ±6dgt |
| Voltage Resolution | 1mV |
| Resistance Resolution | 0.01mΩ |
| Connection Resistance Range | 0.00mΩ~65.00mΩ |
| Display | 272×480 5-inch TFT LCD with touch screen |
| Overall Dimension | 186mm×98mm×40mm |
| Weight | 0.45KG |
| Internal Memory | Stores data for up to 100,000 cells |
| External Storage | 4G USB Flash Disk, USB2.0 |
| Built-in Power | 4000mAh rechargeable Li-ion battery, 8~12 working hours after full charge |
| External Power Supply | AC100~240V / DC5V-1A adapter/charger |
| Communication Port | USB interface (supports USB flash drive) |
| Operation Mode | Keypad, touch screen and handwriting input |
| Startup Time | 2~5s output startup time |
| Safety Standard | Complies with EN610950 |
| Test Clips | Integrated 4-terminal test clips and probes, compatible with more than 98% battery connections |
FAQ | Battery Health Tester
Q1: What is a Battery Health Tester?
A: It is a handheld testing instrument that measures battery internal resistance and voltage. It evaluates lead-acid battery health, identifies degraded cells, and supports capacity estimation for daily battery maintenance.
Q2: What testing principle does this tester adopt?
A: It uses the AC discharge testing method combining AC injection and DC discharge advantages. It accurately measures battery voltage and internal resistance to judge battery capacity and performance status.
Q3: What measurement modes are supported?
A: It can test single cells, battery groups, and optional battery connection resistance for comprehensive performance assessment.
Q4: Can it carry out online testing without disconnecting batteries?
A: Yes. It supports online and offline measurement. No need to remove or disconnect busbars, and it has strong anti-interference capability.
Q5: What algorithm ensures high measuring accuracy?
A: It applies the precise 4-wire Kelvin algorithm to improve internal resistance testing precision, compatible with over 98% of battery terminals and connection forms.
Q6: Can I store and export test data?
A: The device can store up to 100,000 groups of test data. Data can be exported via USB flash drive to PC software for curve and chart analysis. Reports can be exported to Excel and Word for printing.
Q7: What operation methods are available?
A: Three-in-one operation: touch screen, physical keypad and handwriting input. The keypad is convenient for operators wearing insulating gloves.
Q8: How long can the instrument work continuously?
A: Equipped with a 4000mAh rechargeable lithium battery, it can work 8–12 hours after being fully charged.
Q9: Will testing affect the normal working state of batteries?
A: No. Intelligent digital design brings no impact on battery operation and will not cause potential safety hazards.
Q10: Where is the Battery Health Tester widely used?
A: Suitable for battery manufacturers, telecom base station O&M, data centers, substations, rail transit and other scenarios for on-line and off-line battery maintenance.
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