PRODUCT FEATURES
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.









