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The Revolutionary High-power, High-precision, Multi-functional, Mini relay tester
KFA310 has been designed with a compact interior, similar in size to an iPad, Powered by batteries. It weighs only 3.7 kg and offers 4x300V and 3x20A outputs, Its maximum current can reach 50A, the output power reaches 130VA.
It focus to Maintenance and Testing of Distribution and Medium-Low Voltage Protection Devices in Non-Electrified Environments.
Description
1. The world's smallest relay tester with 7.0-inch LED touch screen,, easy to carry in a iPad size, 3.7kg, high current up to 50A, high precision, can continuously output with 3x10A conditions.
2. Extremely simple design for its internal structure, ensure high quality and reliability.
3. Innovative “Plug and Play” technology enable after-sales service very easy and efficient within 20 working days.
4. Main functions
▪ AC/DC test, Ramping, State Sequence, Harmonic, Distance, Overcurrent
▪ Oscillate Test: used for customizing superimposed oscillation waveform simulation testing.
▪ Frequency test (df/dt, ROCOF)
▪ 3-Phase standard Power source
▪ Energy meter calibration
▪ Double-device synchronous test (up to 6 current channels for differential test)
▪ 8 Channels Low-Level outputs (0 - 8Vrms)
5. High precision output, can be used as a standard source.
Key Points
Innovative“Plug and Play ”After-sales Service Advantages:
▪ Simple structure, beginners can achieve independent installation.
▪ Reduced after-sales costs.
▪ Shortened after-sales time.
▪ Goal: Complete after-sales within 20 working days.
The KFA310 handheld mini relay tester, which utilize innovative technology, module design, and a simple internal structure, ensuring a higher level of product quality and providing assurance for a three-year warranty commitment. Besides, it also contributes to achieving the quality objective of a 15-year product service life.For after-sales maintenance, only module replacement is required, and there is no need for accuracy calibration after module replacement. Once assembly is complete, it can be used directly, truly achieving "Plug and Play".
Public disclosure, the internal structure is visualized as shown in the following diagram:
Installation steps:
Specifications
| AC Voltage Outputs | ||
Output Range & Power |
4×300 V ac (L-N) |
22.5 VA max each@300V |
| 21 VA max each@200V | ||
| 12.5 VA max each@100V | ||
| 7 VA max each@63.5V | ||
| 6.65 VA max each@57.7V | ||
| 1.1 VA max each@10V | ||
| Accuracy | <0.015%Rd+0.005%Rg Typ. <0.02%Rd+0.03%Rg Guar. |
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| Resolution | 0.001V | |
| DC Offset | <5mV Typ. <60mV Guar |
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| Distortion | <0.05%Typ. / <0.1% Guar. | |
| Ascends/Descent response | <100us | |
| DC Voltage Outputs | ||
| Source Channels | 4 | |
| DC voltage output range | 0~300 V (L-N) | |
| DC voltage output power | 22.5W Max | |
| DC voltage accuracy | <0.03%Rd+0.01Rg Typ. <0.04%Rd+0.06Rg Guar. |
|
| Ascends/Descent response | <100us | |
| Resolution | 1mV | |
| AC current outputs | ||
| Source Channels | 3 | |
| AC current output range | 0~10A, L-N / (Can be optional as 0~20A) | |
| 0~20A, LL-N / (Can be optional as 0~40A) | ||
| 0~30A, LLL-N / (Can be optional as 0~50A) | ||
| AC current output power(Max) | 75VA Max for 10A L-N 130VA Max for 20A L-N/LLL-N |
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| AC current output accuracy | <0.015%Rd+0.01%Rg Typ. <0.02%Rd+0.03%Rg Guar. |
|
| DC Offset | <1mA Typ. <2mA Guar |
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| Distortion | <0.05%Typ. / <0.1% Guar. | |
| Ascends/Descent response | <100us | |
| Resolution | 1mA | |
| DC current outputs | ||
| Source Channels | 1 | |
| DC current output range | 0~10A, L-N | |
| DC current output power | 138W | |
| DC current accuracy | <0.03%Rd+0.01Rg Typ. <0.04%Rd+0.06Rg Guar. |
|
| Resolution | 1mA | |
| AC frequency | ||
| range sine signals | DC ~ 1000Hz, 3000Hz transient | |
| Output accuracy | ±5ppm | |
| Resolution | 0.001Hz | |
| Phase | ||
| Output range | -360°~360° | |
| 50Hz output accuracy | ±0.1° Typ. / <0.2° Guar. | |
| Resolution | 0.001° | |
| Auxiliary DC supply | ||
| Output range | 12~350V | |
| Output power | 40W max | |
| Accuracy | <1% | |
| Binary input and time accuracy | ||
| Binary input logarithm | 4 pairs | |
| Trigger mode | Try/Wet contact | |
| Input voltage range | 0 V～300Vdc | |
| Timing accuracy | < ±1ms @ 0.001~1s, < ±0.1% @ >1s |
|
| Timing resolution | 36us | |
| Max time limit | infinity | |
| Binary output(Fast eSSR) | ||
| Binary output pairs | 4 pairs | |
| Circuit Breaker Simulate | Can be define as Open or Close status | |
| Break capacity AC | Vmax:250V(AC)/ Imax:0.5A | |
| Break capacity DC | Vmax:250V(DC)/ Imax:0.5A | |
| Responce time | <100us | |
| Contact performance | Open the dry contact output using opto-coupler relay, the on-resistance is ≤50Ω, and the shut-off withstand voltage is ≥DC300V | |
| Time Synchronization (Time accuracy) | ||
| GPS / BD | Yes, 5us | |
| IRIG-B | Yes, 5us | |
| Power supply | ||
| Rated power supply | 100~240Vac,1-phase | |
| Enable input voltage | 85V～265V (AC); 127V～350V(DC) |
|
| Rated input frequency | 50 Hz/60 Hz | |
| Enable input frequency | 47 Hz ~ 63Hz | |
| Battery | ||
| Inbuilt Battery | 97WH | |
| Charge time (0-80%) | 2h | |
| Charge time (0-100%) | 4h | |
| Interface port | ||
| RJ45 Ethernet | 1 port, 10/100M | |
| USB | USB3.0 x 1 | |
| Wifi | Optional | |
| Bluetooth | Optional | |
| Operation Control | ||
| Touch Screen & Host Control | Yes, 7.0" LCD | |
| Basic PC software | Optional | |
| Advance PC software | Optional | |
| Other information | ||
| Weight | 3.7kg | |
| Dimensions(W x D x H) | 288x185x95 (mm) | |
| Low level outputs(Optional) | |
| Number of outputs | 8 |
| Setting range | 0~8Vrms |
| Max. output current | Rating 2mA, 10mA transient max. |
| Accuracy | (0.01~0.8 Vrms): <0.05% Typ. / <0.1% Guar. (0.8~8 Vrms): <0.02% Typ. / <0.05% Guar. |
| Resolution | 250 μV |
| Distortion (THD+N) | < 0.05% Typ. / <0.1% Guar. |
| Connection interface | Phoenix terminal |
| Energy Meter Calibration (Optional) | |
| Sensor Usage | Mechanical meters / Electronic meters |
| Sensor Output | High lever:>4.5V, Low level:<0.2V |
| Pulse Input | 1 pulse input port, 5Vdc high level valid only. |
| Pulse Range | 500KHz pulse input Max. |
| Pulse Output | 1 Transistor output, Open-collector, 5Vdc/5mA |
Optional
| Item | Standard | Optional |
| Current output | 3×10A | Upgrade to 3×20A |
| Wifi | - | Optional support |
| Bluetooth | - | Optional support |
| Low-Level output | - | Optional support |
| Energy Meter calibration | - | Optional support |
| Basic PC software | - | Optional support |
| Advance PC software | - | Optional support |
Contact Person: Amy
Tel: +8613603051120
| Sales office:6/F, Block 4-CD, TianAn Cyber Park, Futian District, Shenzhen 518048,.China | |
| +86-755-83418941 | |
| international@kingsine.com | |
