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HF-BT-401 DC Charger Tester
DC Charger Tester detects output voltage, current and operating stability of DC chargers. It effectively evaluates charging performance, judges product quality and supports batch inspection in production lines.
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Designed in accordance with national specifications for Operation and Maintenance Code of DC Power Supply, this tester conducts detection and tests for chargers and battery packs of various capacities. It can accurately measure parameters such as voltage stabilization accuracy, current stabilization accuracy and ripple coefficient of substation DC power supply systems.
Comprehensive Test Function
It displays measured DC current, DC voltage, AC voltage and ripple voltage, and calculates voltage stabilization accuracy, current stabilization accuracy, voltage-stabilized ripple coefficient and current-stabilized ripple coefficient.
Voltage Stabilization Accuracy Measurement
It measures voltage stabilization accuracy when the AC input voltage varies within ±10% of rated voltage, the load current ranges from 0 to 100% rated value, and the DC output voltage is set at any value within the adjustment range.
Current Stabilization Accuracy Measurement
It measures current stabilization accuracy when the AC input voltage varies within ±10% of rated voltage, the output current is any value between 20% and 100% rated value, and the charging voltage changes within the specified adjustment range.
Ripple Coefficient Measurement
The ripple coefficient is defined as half the difference between peak and valley values of pulsating components in the DC output voltage of the charger, divided by the average DC output voltage. The tester calculates voltage-stabilized ripple coefficient and current-stabilized ripple coefficient accordingly.
Battery Discharge Function
Digital-controlled constant-current discharge. It realizes real-time voltage monitoring of single cell and the whole battery pack automatically. It displays DC current, DC voltage and discharge time, and calculates discharge capacity.
Automatic Protection Function
Automatic protection is triggered by four threshold alarms: low protection voltage of battery pack and single cell, discharge capacity and discharge time.
Data Analysis Function
Systematic analysis of measured data can be realized via supporting PC software.
Packing List
| Qty | Description | Spec. | Unit | Remarks |
|---|---|---|---|---|
| 1 | Main Tester Unit | HF-BT-401 | Set | Host machine |
| 1 | AC Power Cable | Standard | Pcs | For power supply |
| 1 | DC Test Cable Assembly | Voltage & Current Test Leads | Set | Test connection wires |
| 1 | USB Communication Cable | PC data transmission | Pcs | For data upload |
| 1 | Grounding Wire | Safety earthing | Pcs | Safety connection |
| 1 | Software CD / U-disk | PC analysis software | Pcs | Data analysis program |
| 1 | Operation Manual | English & Chinese Version | Copy | User guide |
| 1 | Certificate of Calibration | Factory Test Report | Copy | Quality document |
| 1 | Packing Case | Shockproof Hard Case | Pcs | Transport protection |
FAQ for DC Charger Characteristic Tester
Q1: What standard is the DC Charger Characteristic Tester designed according to?
A1: It complies with national Operation and Maintenance Code of DC Power Supply, dedicated for substation DC power system testing.
Q2: What key parameters can this tester measure?
A2: It tests voltage stabilization accuracy, current stabilization accuracy and ripple coefficient of DC chargers, and also performs battery discharge testing.
Q3: What is the test condition for voltage stabilization accuracy?
A3: AC input fluctuates within ±10% rated voltage; load current ranges from 0~100% rated value with adjustable DC output voltage.
Q4: What is the test range for current stabilization accuracy?
A4: AC input varies within ±10% rated voltage, output current covers 20%~100% rated value, charging voltage adjustable within specified range.
Q5: Can it test the discharge performance of storage batteries?
A5: Yes. It supports digitally controlled constant-current discharge, monitors single cell and whole pack voltage in real time and calculates discharge capacity.
Q6: What automatic protection functions are available during battery discharge?
A6: It provides protection triggered by four thresholds: single cell low voltage, battery pack low voltage, discharge capacity limit and discharge time limit.
Q7: Can test data be exported and analyzed on a computer?
A7: Yes. Matching PC software is provided to realize storage and systematic analysis of all measured test data.
Q8: Is this equipment specially used for substation DC power supply systems?
A8: Yes, widely used for inspection and acceptance of substation charging modules and storage battery packs.
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