Wrindu

Three Phases Capacitance and Inductance Tester

The RDLC-503XB is a portable, high-precision tester for single-phase and three-phase compensation capacitors, reactors, and resistors. It delivers stable, accurate measurements even in strong magnetic fields.
Model:RDLC-503XB

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PRODUCT FEATURES

 

1. Flexible and convenient power supply: Built with a high-capacity lithium battery, allowing on-site testing without AC power. The battery provides up to 8 hours of continuous operation for easy, hassle-free use.
2. Excellent anti-interference performance: Using a variable-frequency test power supply combined with advanced inverter technology and a PID control algorithm, the unit delivers stable constant-current and voltage-limited output. It features soft start and stop to minimize impact on the test object, and is protected against damage from output short circuits. Measurement accuracy remains stable even in strong magnetic field environments.
3. Comprehensive test functions: Supports single-phase and three-phase capacitance measurement, and can also test reactors and resistors, as well as independent current detection. Single-phase testing offers an automatic mode that identifies the test object type automatically. For three-phase testing, it supports Y, Yn, △, and III connected capacitor banks, and completes phase-separated capacitance calculation with just one wiring connection.
4. Intelligent data analysis: Automatically calculates key parameters including compensation capacity, capacitive reactance, inductance, and impedance. During current measurement, it detects fundamental RMS, total harmonic distortion (THD), frequency, and 3rd, 5th, 7th, and 9th harmonic components, enabling basic power quality analysis.
5. User-friendly operation and display: Features a 5.7-inch large LCD with clear menu guidance and straightforward operation. The top status bar shows real-time key information, with automatic backlight adjustment, battery level display, and low-battery alarm.
6. Superior portability: Compact size, lightweight design, and easy to carry and operate in field conditions.

 

TECHNICAL PARAMETERS

 

Item Description
Capacitance Range: 0.1 ~ 3500μF;  Accuracy: ±(1%rdg+0.005μF);  Resolution: 0.001μF
Inductance Range: 100μH ~ 50H ;  Accuracy: ±2%rdg
Resistance Range: 10mΩ ~ 20kΩ;  Accuracy: ±2%rdg
Current Range: AC 1mA ~ 100A, 30~150Hz;  Accuracy: ±1%rdg
Voltage Range: AC 0 ~ 30V
Display 5.7-inch LCD screen, 320×240
Data storage Local storage: 200 groups, supports transferring to USB drive
Power supply Rechargeable lithium batteries; Charger input 100-240VAC, 50Hz/60Hz.

The charging time is about 4 hours, and the usage time is abou 8 hours.

Operating conditions Temperature -10 ~ 50℃; Relative humidity ≤90%, no condensation.

FAQs

 

Q1: What can the RDLC-503XB measure?
A: It accurately measures single-phase and three-phase capacitance, inductance, resistance, and current, with ranges up to 3500 μF, 50 H, 20 kΩ, and 100 A respectively. The tester also supports separate current detection and harmonic analysis, enabling quick power quality assessment on-site.

Q2: How reliable is this tester in challenging environments?
A: The RDLC-503XB offers strong anti-interference performance using multi-frequency output, advanced inverter technology, and PID regulation. It maintains testing accuracy even in high-intensity magnetic fields, with safe soft-start and short-circuit protection to prevent instrument damage.

Q3: How portable and convenient is the RDLC-503XB?
A: With a compact, lightweight design and built-in large-capacity lithium battery, it operates up to 8 hours without AC power. The 5.7-inch LCD displays clear menus and battery status, making it easy to use for field testing.

Q4: Can the RDLC-503XB simplify three-phase capacitor testing?
A: Yes. The tester handles Y, Yn, Δ, and III-type three-phase capacitor banks, automatically calculating phase separation capacitance with one wiring, reducing testing complexity and minimizing human error.

Q5: How does the RDLC-503XB handle data storage and analysis?
A: It stores up to 200 test groups locally and supports USB export. Intelligent data processing automatically calculates capacitance, inductance, resistance, and impedance, while also analyzing current harmonics for simple power quality evaluation.

Q6: What operating conditions can the RDLC-503XB handle?
A: It works reliably between -10 °C and 50 °C with up to 90% relative humidity (non-condensing), making it suitable for most field environments.

TECHNICAL PARAMETERS

Item Description
Capacitance Range: 0.1 ~ 3500μF;  Accuracy: ±(1%rdg+0.005μF);  Resolution: 0.001μF
Inductance Range: 100μH ~ 50H ;  Accuracy: ±2%rdg
Resistance Range: 10mΩ ~ 20kΩ;  Accuracy: ±2%rdg
Current Range: AC 1mA ~ 100A, 30~150Hz;  Accuracy: ±1%rdg
Voltage Range: AC 0 ~ 30V
Display 5.7-inch LCD screen, 320×240
Data storage Local storage: 200 groups, supports transferring to USB drive
Power supply Rechargeable lithium batteries; Charger input 100-240VAC, 50Hz/60Hz.

The charging time is about 4 hours, and the usage time is abou 8 hours.

Operating conditions Temperature -10 ~ 50℃; Relative humidity ≤90%, no condensation.

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