Programmable grounding resistance tester

NegotiableUpdate on 02/17

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The RK9930 series programmable grounding resistance tester is a high-performance safety tester designed with high-speed MCU and large-scale digital circuits. The output current is controlled by hardware feedback and high-speed MCU technology, ensuring stable and reliable output current. The output current is driven by DDS+power amplifier, and the output waveform is pure with little distortion. It can display current and resistance values in real time, and has software calibration function. It is equipped with PLC interface, RS232C, RS485, USB device, USB Host interface, which can easily form a comprehensive testing system with computer or PLC. Being able to quickly and accurately navigate home

Product Details

Product Introduction

RK9930 seriesProgrammable grounding resistance testerHigh performance safety testers are designed using high-speed MCUs and large-scale digital circuits. The output current is controlled by hardware feedback and high-speed MCU technology, ensuring stable and reliable output current. The output current is driven by DDS+power amplifier, and the output waveform is pure with little distortion. It can display current and resistance values in real time, and has software calibration function. It is equipped with PLC interface, RS232C, RS485, USB device, USB Host interface, which can easily form a comprehensive testing system with computer or PLC. Capable of quickly and accurately conducting comprehensive safety measurements on household appliances, instruments, lighting appliances, electric heating appliances, computers, and information systems. This instrument complies with IEC60335-1, GB4706.1, UL60335-1 Safety Requirements for Household and Similar Electrical Appliances Part 1: General Requirements UL60950, GB4943, IEC60950 Information Technology Equipment UL60065, GB8898 IEC60065 Safety Requirements for Audio, Video and Similar Electronic Machinery IEC61010-1, GB4793.1 Safety Requirements for Measuring, Control and Laboratory Electrical Equipment Part 1: General Requirements.

Application field

Household appliances: TV, refrigerator, air conditioner, washing machine, dehumidifier, electric blanket, charger, etc

Instruments and meters: oscilloscopes, signal generators, DC power supplies, switching power supplies, and other types of complete machines

Lighting appliances: ballasts, road lights, handheld lights, and other types of lighting fixtures

Electric heating appliances: drills, cutting machines, grinders, welding machines, etc

Performance Characteristics

1. Adopting a 5-inch LCD display, the display parameters are eye-catching and intuitive. DDS digital signal synthesis technology is used to generate accurate, stable, pure, and low distortion waveforms

2. Constant current output: The stability range of the output current is within 1%, avoiding changes in the output current caused by unstable input current voltage and load variations

3. It has an open circuit alarm function. The maximum testing time is 999.9 seconds

4. Using the four terminal method for measurement to eliminate the influence of contact resistance

5. Output frequency 50Hz/60Hz is optional. Equipped with resistance upper and lower limit alarm function

6. Bilingual operation interface in Chinese and English, suitable for different user needs, supports large capacity storage, and adapts to different testing application requirements

30A/40A/60A/120A RK9930/RK9930A/RK9930B/RK9930CProgrammable grounding resistance testerRK9930
Current range: AC (3-30) A
Voltage range: AC 6V Max open circuit voltage
RK9930A
Current range: AC (3-40) A
Voltage range: AC 8V Max open circuit voltage
RK9930B
Current range: AC (3-60) A
Voltage range: AC 12V Max open circuit voltage
RK9930C (Customized)
Current range: AC (3-120) A
Voltage range: AC 12V Max open circuit voltage

Product Description Technical Parameters

model			RK9930	RK9930A	RK9930B	RK9930C
Basic functions	screen size		5-inch TFT LCD screen
	Number keys		Parameter setting numerical input
	coding switch		Parameter selection and confirmation function
	Up, down, left, right function keys		Parameter setting up and down selection function
	LOCK keyboard		Prevent accidental modification of test conditions or prohibit modification of test conditions
	lock function
	alarm function		Voice alarm
	communication interface		RS232C、RS485、USB
	USB port		Copy, duplicate, and storage functions
	control interface		HANDLER(PLC)
Output specifications	current	current range	AC (3-32)A	AC (3-45)A	AC (3-70)A	AC (3-120)A
		resolution	When 10A or above: 0.01A/step; When below 10A: 0.001A/step;
		accuracy	± (2% set value+0.02A)
	voltage	voltage range	AC 6V Max open circuit voltage	AC 8V Max open circuit voltage	AC 12V Max open circuit voltage
		frequency	50/60Hz selectable
		waveform	sine wave
	ammeter	Measurement range of ammeter	AC (3-32)A	AC (3-45)A	AC (3-70)A	AC (3-120)A
		resolution	When 10A or above: 0.01A/step; When below 10A: 0.001A/step;
		accuracy	± (2% set value+0.1A)
	ohmmeter	Resistance meter measurement range	0-510m Ω, output current 3-10A; 0-120m Ω, output current 10A-30A	0-600m Ω, output current 3-10A; 0-200m Ω, output current 10A-30A; 0-150m Ω, output current 30A-40A	0-600m Ω, output current 3-15A; 0-300m Ω, output current 15A-30A; 0-100m Ω, output current 30A50A, 0-60m Ω, output current 50A-60A	0-600m Ω, 3-15A; 0-300m Ω, output current 15A-30A; 0-80m Ω, output current 30A-60A, 0-30m Ω, output current 60A-120A
		resolution	When 10A or above: 0.01A/step; When below 10A: 0.001A/step;			When 10A or above: 0.01A/step; When below 10A: 0.001A/step;
		accuracy	≤± (2% reading value+1m Ω)
	Timer Range		0-999.9S， Resolution: 0.1S/step, Accuracy: ≤± 50ms
	compensation method		Manual or automatic, maximum Offset: 100m Ω Max, accuracy: ≤± (2% reading+1m Ω)
	Determination value setting resistance		0-510m Ω or 0-600m Ω, resolution: 1m Ω, accuracy: ≤± (2% reading+1m Ω)			0-600m Ω, resolution: 1m Ω, accuracy: ≤± (2% reading+1m Ω). When the current is ≤ 10A, there is no accuracy requirement for 0-10m Ω
	Upper limit range
	Test time range setting		0-999.9S， 0 represents continuous
Working temperature and humidity			0℃-40℃，≦75%RH
power supply			100V-121V，198V-242V，47.5-63Hz
weight			12.15KG	12.9KG	12.85KG	35KG
Standard accessories			RS232 to USB connection cable, USB to square port connection cableGrounding test clip, power cordRS232 serial port connection cable, upper computer (download)			RK-12 (120A) test cable, power cable, RS232 serial port connection cableRS232 to USB connection cable, USB to square port connection cable, RK260003A test cable, RK00048 test cable, upper computer (download)
Optional accessories (complete set)			RK00031, RK301 grounding point inspection box, RK00070 serial port option LAN port			RS485 to USB connection cable, RK00031, RK101W grounding point inspection box, RK00070 serial port option LAN port