OVERVIEW
The RD3310X Insulation Resistance Tester is a dependable and safe device designed to evaluate the insulation condition of electrical equipment. It complies with IEC61010-1 standards and offers full electrical isolation with an isolation voltage of up to 30kV, ensuring high operator safety.
With multiple test functions, the instrument supports insulation resistance (IR), dielectric absorption ratio (DAR), polarization index (PI), dielectric discharge (DD), and step voltage (SV) measurements. It is well suited for testing transformers, cables, and high-voltage circuit breakers, delivering accurate and efficient insulation assessment across a wide range of electrical applications.
PRODUCT FEATURES
1.Safety & Protection: Adopting a fully isolated power supply design, with an isolation voltage of 30kV; Equipped with an independent discharge circuit, which can quickly discharge the test sample after testing; Equipped with sample breakdown protection function.
2.Display & Operation: Equipped with an industrial grade 7-inch color LCD screen with a resolution of 1024×600, and equipped with an explosion-proof glass capacitive touch screen; Support rotating mouse and button operation, with good tactile feel and convenient operation.
3.Voltage & Current: Provides 7 fixed voltage ranges (100V, 250V, 500V, 1000V, 2500V, 5000V, 10000V). Custom voltage mode can be continuously adjusted from 50V ~ 10000V, with a minimum step of 10V. The maximum output short-circuit current is 6mA, and 1mA-6mA can be adjusted with a step of 1mA. The maximum continuous output power is 55W.
4.Test function: It has multiple testing modes including IR, DAR, PI, DD, and SV; Supports two DAR computing modes: R60s/R30s or R60s/R15s; Equipped with DC and AC voltmeter functions, it can automatically identify voltage types and measure AC voltage frequency; It also has the function of measuring cable length. Equipped with breakdown and burn test mode, it can continuously operate in breakdown and burn mode, making it easy to locate weak insulation points.
5.Anti interference and data processing: Built in controllable hardware filters and software filters, with strong anti-interference performance; Equipped with USB storage function, capable of exporting data in batches, and supporting firmware upgrades; Equipped with RS232 (optional RS485) communication interface.
6.Battery and its management: 16.8V/4400mAh lithium battery, built-in fast charger, with a battery life of about 5 hours under a load of 10kV and 100MΩ; Equipped with idle automatic shutdown and low battery automatic shutdown functions, the automatic shutdown time can be set.
TECHNICAL PARAMETERS
| Item | Description |
| Insulation resistance range | 0 ~ 20.0TΩ |
| Insulation resistance resolution | 0.01kΩ @0 ~ 9.99kΩ 0.1kΩ @10.0 ~ 99.9kΩ;
1kΩ @100 ~ 999kΩ 10kΩ @1.00 ~ 9.99MΩ; 100kΩ @10.0 ~ 99.9MΩ 1MΩ @100 ~ 999MΩ; 10MΩ @1.00 ~ 9.99GΩ 100MΩ @10.0 ~ 99.9GΩ; 1GΩ @100 ~ 999GΩ 10GΩ @1.00 ~ 9.99TΩ; 100GΩ @10.0 ~ 20.0TΩ |
| Full scale resistance value (RFS) in different rate output voltages | 200GΩ @100V; 500GΩ @250V; 1.00TΩ @500V; 2.00TΩ @1000V; 5.00TΩ @2500V; 10.0TΩ @5000V; 20.0TΩ @10000V |
| Insulation resistance accuracy in different rate output voltages | ±5% @ R<1/10RFS; ±20% @ 1/10RFS≤R≤RFS |
| Rate output voltage | 100V, 250V, 500V, 1000V, 2500V, 5000V, 10000V |
| Custom setting output voltage | 50~10000V, minimum step is 10V, and when controlling by rotating mouse, the step switches between 10V, 100V, 200V according to the speed. |
| Output voltage accuracy | 0% ~ 10% |
| Short circuit current | Adjustable 1~ 6mA, step 1mA. Accuracy ± 5% |
| Continuous output power | 55W |
| Measurement accuracy of output voltage | ±(2%±3dgt) |
| Voltage measurement | Voltage rang: AC/DC 10V ~ 660V; Accuracy: ±(2%±3dgt)
AC voltage frequency rang: 25 ~ 85Hz; Accuracy: ±0.2Hz; Resolution: 0.1Hz |
| Capatiance measurement | Range: 10nF ~ 25μF (test voltage ≥100V); Accuracy: ±10% ± 5nF |
| Custom setting test time | 10s ~ 99min adjustable |
| Discharge rate of capacitor test sample | From 10kV to 50V, ≤0.47s/uF |
| Power supply | AC power supply: 85-264Vrms, 50/60Hz, 65VA
Built in battery: 16.8V/4400mAh lithium battery Built in charger: 16.8V/2.3A, maximum charging time limit of 5 hours Battery life: 10kV@100M Ω load, approximately 5 hours |
| Operating conditions | Temperature -10 ~ 50℃; Relative humidity<90%, no condensation. |
| Port | RS232 (optional RS485), USB (U-disk supports FAT or FAT32 formats) |
| Suitable safety standard | IEC61010-1 |
