AC Current Output
| Parameter |
Specification |
| Output range |
6×0~20 A/phase or 3×0~40 A/phase |
| Typical accuracy |
< ±0.2 mA (0~0.2 A); < ±0.05%+0.1 mA (0.2~10 A); <0.1% (10~20 A); +0.2% (20 A~Imax) |
| Guaranteed accuracy |
<0.08% rd + 0.02% rg (0~20 A); <0.15% rd + 0.05% rg (20 A~Imax) |
| Resolution |
1 mA |
| Max power |
>85 VA/phase (6×20 A); >110 VA/phase (3×40 A) |
| Rise/Fall time |
<100 µs |
| THD (typical) |
<0.2% (0.2~2 A); <0.1% (2 A~Imax) |
| THD (guaranteed) |
<0.5% (0.5 A~Imax) |
| Frequency range |
10 Hz ~ 1 kHz |
| Amplitude vs frequency |
Variation < ±0.05% ~ ±0.5% (10 Hz~1 kHz) |
| Continuous output |
<5 A/phase (continuous) |
| Protection |
Overheat, overload, distortion, open-circuit auto-detection & alarm |
AC Voltage Output
| Parameter |
Specification |
| Output range |
6×0~130 V/phase |
| Typical accuracy |
< ±1 mV (0~2 V); < ±0.05% (2 V~Vmax) |
| Guaranteed accuracy |
<0.08% rd + 0.02% rg (0~Vmax) |
| Resolution |
1 mV (0.2~10 V); 10 mV (10~130 V) |
| Max power |
>48 VA/phase (6×130 V) |
| Rise/Fall time |
<100 µs |
| THD (typical) |
<0.1% (2 V~Vmax) |
| THD (guaranteed) |
<0.2% (2 V~Vmax) |
| Frequency range |
10 Hz ~ 1 kHz |
| Amplitude vs frequency |
Variation < ±0.05% ~ ±0.5% (10 Hz~1 kHz) |
| Continuous output |
Rated condition, continuous |
| I/V sync error |
<10 µs |
Frequency & Phase
| Parameter |
Specification |
| Frequency range |
10 Hz ~ 1000 Hz |
| Frequency accuracy |
<1 mHz (10~450 Hz); <10 mHz (450~1000 Hz) |
| Frequency resolution |
0.001 Hz |
| Phase range |
0~359.9° |
| Phase accuracy |
Typical < ±0.1°; Guaranteed < ±0.2° |
| Phase resolution |
0.01° |
| Harmonic capability |
2nd to 21st order, arbitrary amplitude up to rated value |
DC Current Output
| Parameter |
Specification |
| Output range |
6×0~10 A/phase |
| Typical accuracy |
< ±1 mA (0~0.2 A); ±0.5% (0.2 A~Imax) |
| Guaranteed accuracy |
±5 mA (0~0.2 A); <0.3% rd + 0.2% rg (0.2 A~Imax) |
| Resolution |
1 mA |
DC Voltage Output
| Parameter |
Specification |
| Output range |
6×0~180 V/phase |
| Typical accuracy |
< ±4 mV (0~2 V); ±0.2% (2 V~Vmax) |
| Guaranteed accuracy |
±5 mV (0~2 V); <0.3% rd + 0.2% rg (2 V~Vmax) |
| Resolution |
1 mV (0.2~10 V); 10 mV (10~180 V) |
Communication & I/O Interfaces
| Interface |
Details |
| Fiber Ethernet |
4 pairs (1 pair Gigabit), LC, 1310nm/850nm, IEC61850-9-2, GOOSE |
| Fiber serial |
4 units (2 TX, 2 RX), ST, 850nm, IEC60044-8, IRIG-B |
| Electrical Ethernet |
2× RJ45, MMS, TCP/IP |
| WiFi / Bluetooth / USB |
1 each (WiFi 802.11, Bluetooth, USB host) |
| 4G (optional) |
1 module |
| Binary inputs |
8 pairs, adaptive dry contact or live contact (20~250V DC), electrically isolated, threshold <3 kΩ |
| Binary outputs |
6 pairs: 1-4 (standard, response <2 ms); 5-6 (fast, response <100 µs); DC capacity Vmax 300 V / Imax 0.3 A (excluding fast outputs) |
| Sync interfaces |
Built-in GPS/BeiDou; IRIG-B out (ST); IEEE 1588 (1 pair LC) |
Power Supply & General
| Parameter |
Specification |
| AC supply |
100~240 V, 50/60 Hz, 2 A |
| DC output |
8.4 V / 5 A |
| Battery |
Built-in lithium battery pack |
| Display |
9" capacitive LCD touchscreen |
| Dimensions (W×H×D) |
278 mm × 191 mm × 88 mm |
| Weight |
<4.5 kg |
Other Functions
- Analog low-level signals (optional): 8 channels
- Wireless phase identification (optional): RoLa based
- Optical power measurement
- Packet capture & offline analysis (pcap)
- SCD/CID file comparison & graphical view
- Auto PDF/CSV report generation via USB
- Over-the-air update via USB drive
- Cloud test template download
Manufacturer: Wuhan Kaidi Zhengda Electric Co., Ltd. (ISO9002 certified)
Standards compliant: IEC61850, GOOSE, IEC60044-8, IRIG-B, IEEE 1588
Model: KDJB-650S Handheld Digital-Analog Integrated Relay Protection Tester
