Description
UT523A Earth Resistance Soil Resistivity Tester
Features:
UT523A Earth Resistance Soil Resistivity Tester
Technical specification:
Basic Functions | Range | Best Accuracy |
Model | 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 | Decided by measuring precision of R: (ρ=2πaR a: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) |
Testing resistance | 128Hz/111Hz/105Hz/94Hz(AFC) | √ |
Features | ||
Measuring method | Earth resistance: rated current pole changing method with Max 20mA measuring current; soil resistivity: quadrupole method (Wen-Na method ); earth voltage: average rectifier (between P(S) and ES interfaces) |
√ |
Short-circuit testing current | AC 30mA max | √ |
Open-circuit testing voltage | AC 40V max | √ |
Auto range | √ | |
Distance between electrodes | 1m~200m can be set. | √ |
Testing voltage waveform | Sine wave | √ |
Line voltage | Measure when the voltage is below 750V AC | √ |
Low battery indicator | ≤7.5V | √ |
Data hold | √ | |
Alarm function | √ | |
RS232 interface | √ | |
Withstand voltage | AC 3700V/rms(between circuit and case) | √ |
LCD backlight | √ | |
Data storage | 300 groups | √ |
Auxiliary earth resistance test | 0.00KΩ~30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ) | √ |
Overload protection | Earth resistance measurement: input 280V AC between C(H) and E, P(S) and ES for 3s | √ |
Interference test | Auto identify interference signals, when interference voltage is higher than 5V, the symbole NOISE is displayed. | √ |
Measuring time(s) | More than 5000 times (perform short circuit test once, and again after 30s) | √ |
Insulation resistance | Above 20MΩ (500V between circuit and case) | √ |
General Characteristics | ||
Power supply | DC 9V (6 Zinc-manganese dry batteries, R14S 1.5V; can continuously standby for 300hrs) | |
LCD size | 128mm×75mm | |
Product color | Red and grey | |
Product weight | 1443g (including batteries) | |
Product size | 215mm×190mm×95mm | |
Standard accessories | Standard test lead, simple test lead, batteries, PC software CD, RS232 interface cable | |
Standard Individual Packing | Tool box, gift box, English manual, warranty card |
Package:
1 x UT523A UNI T 4 Pole Soil Resistance Earth Tester Meter
UT523A UNI T 4 Pole Soil Resistance Earth Tester Meter
Rs.95,200