Basic functions

Range

Basic accuracy

Model

UT523A

Grounding 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

100.0Ωm~ 999.9Ωm

1000Ωm~ 9999Ωm

10.00kΩm~ 99.99kΩm

100.0kΩm~ 999.9kΩm

1000kΩm~ 9000kΩm

According to RDepending on the measurement accuracy: (ρ = 2 pi aR a:1 m~ 100m; π=3.141)

Ground voltage

AC 0.00~ 750V

± (2%+5)

Testing frequency

128Hz/111Hz/105Hz/94Hz(AFC)

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Special features

Methods of measurement

Ground resistance: rated current pole method, measuring current: 20mA Max; Soil resistivity: quadrupole law (the Wenner method); Voltage: average value rectifier (P(S)-ES Interface)

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Short-circuit test current

AC 30mA max

√

Open the test voltage

AC 40V max

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Automatic range

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Range of electrode spacing

Set 1M~ 200m

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Test voltage waveform

Sine wave

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Line voltage

Measurement of AC 750V

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Low voltage display

≤7.5V

√

Number remained

√

Alarm function

√

RS232 interface

√

Pressure resistance

AC 3700V/rms (between circuits and housing)

√

LCD backlight

√

Data storage

300 groups

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Auxiliary ground test

With auxiliary grounding resistance test, ~ 30k ω 0.00K ω (100R+rC ﹤50kΩ, 100R+rP ﹤50kΩ)

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Overload protection

Grounding resistance measurement: C(H)-E , P(S)-ES Each port AC 280V/3 seconds

√

Interference test

Automatic identification of interfering signals, interference voltage higher than 5V 'NOISE ' Symbol indicates

√

Measurement frequency

More than 5,000 times (short circuit test, measuring 1, stop for 30 seconds then again)

√

Insulation resistance

20M or more (500V between circuits and shell)

√

General characteristics

Power supply

DC 9V (R14S 1.5V 6 zinc manganese dry battery section, continuous standby 300 hours)

LCD size

128mm×75mm

Colors

Red + gray

Weight

1443g (including battery)

Set dimension

215mm×190mm×95mm

Standard accessories

Standard test lines, simple test leads, batteries, software CD, RS232 communication cable

Standard packaging

Meter box, color box, instruction manual, warranty card

Standard size

4

Standard package sizes

650X560X300mm

Standard carton gross weight

30Kg (including battery)