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ut523a earth ground resistance voltage soil resistivity tester meter rs232 new y

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Description:

UT523 Series Earth Resistance Soil Resistivity Tester is specially designed and manufactured for measuring earth resistance, soil resistivity, earth voltage, AC voltage. Adopting the latest digital and micro-processing technology, precise 4-pole, 3-pole and simple 2-pole method for earth resistance measurement, importing FFT and AFC technology, with a unique function of anti-interference capability and the ability to adapt to the environment, consistency of repeat testing, to ensure high precision, high stability and reliability for prolonged measure, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth resistance, soil resistivity, earth voltage, AC voltage measurement.

Specification:

Specifications:	Range	Accuracy
Model number		UT523A
Earth resistance	0.00Ω～19.99Ω	±(2%+5)
	20.0Ω～199.9Ω	±(2%+5)
	200Ω～1999Ω	±(2%+5)
	2.00kΩ～19.99kΩ	±(2%+5)
	20.0kΩ～210.0kΩ	±(2%+5)
Soil resistivity	0.00Ωm～99.99Ωm	Depends on R accuracy: (ρ=2πaRa:1 m～100m； π=3.141)
	100.0Ωm～999.9Ωm
	1000Ωm～9999Ωm
	10.00kΩm～99.99kΩm
	100.0kΩm～999.9kΩm
	1000kΩm～9000kΩm
Earth voltage	AC 0.00～750V	±(2%+5)
Measuring frequency	128Hz/111Hz/105Hz/94Hz(AFC)	√
Features:
Measuring method	Earth resistance: Rated current role changing method, measuring current 20mA Max； Soil resistivity: 4-pole method(Wenner method); Voltage to earth:Mean values rectifier(P(S)-ES interfaces)	√
Short-circuit test current	AC 30mA max	√
Open-circuit test voltage	AC 40V max	√
Auto range		√
Range between poles	Can set 1m～200m	√
Measuring voltage waveform	Sine wave	√
Line voltage	AC 750V below measurement	√
Low voltage measurement	≤7.5V	√
Data hold		√
Alarm		√
RS232 interface		√
Withstand voltage	AC 3700V/rms(between circuit and shell)	√
LCD backlight		√
Data storage	300 groups	√
Auxiliary earth measurement	Auxiliary earth resistance measurement, 0.00KΩ～30kΩ(100R+rC<50kΩ，100R+rP<50kΩ)	√
Over-load protect	Measure earth resistance：C(H)-E、P(S)-ES interface AC 280V/3seconds	√
Interference test	Auto identification interference signal, will display “NOISE” when interference voltage is higher than 5V	√
Test times	Over 5000 times(short-circuit test, test one time, after 30 seconds and test again.	√
Insulation resistance	Over 20MΩ(500V between circuit and shell)	√
General
Power	DC 9V ( R14S 1.5Vx 6 ，stand by 300hours)(Batteries are not included)
LCD size	128mmx75mm
Color	Red + Grey
Weight	1443g
Size	215mmx190mmx95mm
Accessories	Standard test leads, simple test leads, battery(not included), CD, RS232 cable