Revolutionary Mini Protection Relay Tester-KFA310

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：

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.
Resolution	0.001V
DC Offset	<5mV Typ. <60mV Guar
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
AC current output accuracy	<0.015%Rd+0.01%Rg Typ. <0.02%Rd+0.03%Rg Guar.
DC Offset	<1mA Typ. <2mA Guar
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	Dry/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(Relay Contacts)
Binary output pairs	2 pairs（DO-1 and DO-2）
Type	Potential free relay contacts,software controlled
Break capacity AC	Vmax：380V（AC）/ Imax：8A/Pmax:2000VA
Break capacity DC	Vmax：240V（DC）/ Imax：5A/Pmax:150W
Responce time	≤10 ms
Binary output(Fast eSSR)
Binary output pairs	2 pairs（DO-3 and DO-4）
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 ≤ 6Ω, 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
Inbuilt Battery
Nominal volume	28.8V - 93.6Wh, (3250mAh)
Operating Temperature	Charge   : 0 to 45°C  (Ambient) Discharge : -20 to 60°C  (Ambient)
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)