UNI-T UT523A Earth Resistance Soil Resistivity Tester:
The UNI-T UT523A Earth Resistance Soil Resistivity Tester is a reliable and efficient instrument designed for accurate measurement of earth resistance and soil resistivity. It features advanced measurement techniques, including 2-pole, 3-pole, and 4-pole testing methods, allowing for flexibility in various applications. The device is equipped with a clear LCD for easy reading, a data hold function, and built-in memory for storing measurement data. Its compact and lightweight design enhances portability, making it suitable for fieldwork in power systems, grounding installations, and lightning protection assessments. The UT523A is an essential tool for ensuring electrical safety and compliance in diverse environments.
Are you looking for an Earth Tester? Tools Bangladesh is an exclusive supplier in Bangladesh. Yes, now you are in the right place and can get this rugged and reliable earth tester at the best price in Bangladesh.
Key Features:
● Auto range
Specifications:
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Basic Functions
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Range
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Best Accuracy
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|
Model
|
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UT523A
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|
Earth resistance
|
0.00Ω～19.99Ω
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±(2%+5)
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|
20.0Ω～199.9Ω
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±(2%+5)
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|
200Ω～1999Ω
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±(2%+5)
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2.00kΩ～19.99kΩ
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±(2%+5)
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20.0kΩ～210.0kΩ
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±(2%+5)
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Soil resistivity
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0.00Ωm～99.99Ωm
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Decided by measuring precision of R: (ρ=2πaR a:1 m～100m, π=3.141)
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100.0Ωm～999.9Ωm
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1000Ωm～9999Ωm
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10.00kΩm～99.99kΩm
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100.0kΩm～999.9kΩm
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1000kΩm～9000kΩm
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Earth voltage
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AC 0.00～750V
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±(2%+5)
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Testing resistance
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128Hz/111Hz/105Hz/94Hz(AFC)
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√
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Features
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Measuring method
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Earth resistance: rated current pole changing method with Max 20mA measuring current;
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√
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soil resistivity: quadrupole method (Wen-Na method );
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earth voltage: average rectifier (between P(S) and ES interfaces)
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Short-circuit testing current
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AC 30mA max
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√
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Open-circuit testing voltage
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AC 40V max
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√
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|
Auto range
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|
√
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Distance between electrodes
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1m～200m can be set.
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√
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|
Testing voltage waveform
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Sine wave
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√
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|
Line voltage
|
Measure when the voltage is below 750V AC
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√
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|
Low battery indicator
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≤7.5V
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√
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Data hold
|
|
√
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Alarm function
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|
√
|
|
RS232 interface
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|
√
|
|
Withstand voltage
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AC 3700V/rms(between circuit and case)
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√
|
|
LCD backlight
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|
√
|
|
Data storage
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300 groups
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√
|
|
Auxiliary earth resistance test
|
0.00KΩ～30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ)
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√
|
|
Overload protection
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Earth resistance measurement: input 280V AC between C(H) and E, P(S) and ES for 3s
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√
|
|
Interference test
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Auto identify interference signals, when interference voltage is higher than 5V, the symbole NOISE is displayed.
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√
|
|
Measuring time(s)
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More than 5000 times (perform short circuit test once, and again after 30s)
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√
|
|
Insulation resistance
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Above 20MΩ (500V between circuit and case)
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√
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|
General Characteristics
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|
Power supply
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DC 9V (6 Zinc-manganese dry batteries, R14S 1.5V; can continuously standby for 300hrs)
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|
LCD size
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128mm×75mm
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|
Product color
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Red and grey
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|
Product weight
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1443g (including batteries)
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Product size
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215mm×190mm×95mm
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Standard accessories
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Standard test lead, simple test lead, batteries, PC software CD, RS232 interface cable
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|
Standard Individual Packing
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Tool box, gift box, English manual, warranty card
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|
Standard Quantity Per Carton
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4pcs
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Standard Carton Measurement
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650mm×560mm×300mm
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Standard Carton Cross Weight
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30kg (including batteries)
|
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