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 Citek 50830B Grounding resistance / Soil resistivity tester images


Citek 50830B Grounding resistance / Soil resistivity tester

: Citek 50830B

Product Description:

The Citek 50830B grounding resistance / soil resistivity tester is designed for on-site measurement of grounding resistance, soil resistivity, ground voltage, AC voltage is carefully designed and manufactured using the latest digital micro-processing technology, precise 4-wire method, 3-wire method and simple 2-wire measurement of grounding resistance, import the FFT (Fast Fourier Transform) technology, AFC (automatic frequency control) technology, has a unique anti-jamming capability and ability to adapt to the environment, repeat the test is consistent, to ensure many years measurements of high precision, high stability and high reliability. Widely used in electricity, telecommunications, meteorology, oil, construction, mine and industrial electrical equipment such as grounding resistance, soil resistivity, ground voltage, AC voltage measurement. 

The Citek 50830B grounding resistance / soil resistivity tester by the composition of the host, monitoring software, test leads, auxiliary grounding rods, communications lines. Host large LCD display, blue screen backlight, bar graph indication at a glance. Can store 300 sets of data, monitoring software, historical inquiry and online real-time monitoring capabilities, dynamic display, alarm indication, with historical data to read, access, save, report, print and other functions.

Technical Specifications



Influence Quantity
Base Condition
Working Conditions
Ambient Temp
Ambient Humidity
Working Voltage
Auxiliary Earth Resistance
Interference Voltage
Interference Current
Electrode Distance when measuring R
Electrode Distance when measuring ρ


Measurement of 2/3/4-pole earth resistance, soil resistivity, earth voltage, AC voltage
Power Supply
DC 9V(Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )
Measurement Range
Earth Resistance: 0.00Ω-30.00kΩ
Soil Resistivity: 0.00Ωm-9000kΩm
Measuring Mode
Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement
Measuring Method
Earth Resistance: rated current change-pole method, measurement current 20mA Max
Soil Resistivity: 4-pole measurement (Wenner method)
Earth Voltage: average rectification(between P(S)-ES)
Test Frequency
Short-circuit Test Current
AC 20mA max
Open-circuit Test Current
AC 40V max
Test Voltage Wave
Sine wave
Electrode DistanceRange
Can be set 1m-100m
Earth Resistance: 0.00Ω-30.00kΩ, automatic shift
Soil Resistivity: 0.00Ωm-9000kΩm, automatic shift
Blue screen backlight, suitable for dim places
Display Mode
4-digital super-large LCD display, blue screen backlight
Measuring Indicator
During measurement, LED flash indicator, LCD count down display, progress bar indicator
LCD Frame Dimension
LCD Window Dimension
L×W×H: 215mm×190mm×95mm
Standard Test Wire
4 wires: each for red 20m, black 20m, yellow 10m, and green 10m
Simple Test Wire
2 wires: each for red 1.6m and black 1.6m
Auxiliary Earthing Rod
4 rods: Φ10mm×150mm
Measuring Rate
Earth voltage: about 3 times/second
Earth resistance, soil resistivity: about 5 seconds/time
Measuring Times
Over 5000 times (Short-circuit test, interval time should be at least 30 seconds)
Line Voltage
below AC 600V
RS232 Interface
Possess RS232 interface, software supervision, storage data can be uploaded to computer, saved or printed.
Communication Wire
One piece of RS232 communication wire, with length 1.5m
Data Storage
300 sets, “MEM” icon storage indicator, flash display “FULL” icon to indicate storage is full
Data Hold
Data hold function: “HOLD” icon display
Data Access
Data read function: “READ” icon display
Overflow Display
Exceeding measuring range overflow function: “OL” icon display
Interference Test
Recognize interference signal automatically, “NOISE” icon display when interference voltage exceed 5V
Auxiliary Earthing Test Can measure auxiliary earth resistance, 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ)
Alarm Function
When measuring value exceeds alarm setting value, there is “Toot-toot-toot” alarm hint
Battery Voltage
When battery voltage decreases to about 7.5V, battery voltage low icon will display, reminding to replace battery.
Power Consumption
Standby: about 20mA (Backlight shut off)
Boot and with backlight: about 45mA (25mA without backlight)
Measurement: about 100mA (Backlight shut off)
Total weight: 4.5kg (including package)
Tester: 1443g (including battery)
Tesing wires: 1560g
Auxiliary earthing rods: 935g (4pcs)
-10℃-40℃, below 80%rh
Storage temperature & humidity
-20℃-60℃, below 70%rh
Overload Protection
Measuring earth resistance: between each interfaces of C(H)-EP(S)-ES,AC 280V/3 seconds
Insulation Resistance
Over 20MΩ (between circuit and enclosure it is 500V)
Withstanding Voltage
AC 3700V/rms (Between circuit and enclosure)
Electromagnetic Features
Protection Type
IEC61010-1 (CAT Ⅲ 300V、CAT IV 150V、Pollution 2), IEC61010-031, IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004


Measurement Range
Intrinsic Error
Earth Resistance
Soil Resistivity
According to the precision of R
a:1 m-100m,
Earth Voltage
AC 0.0-600V





Tester 1 PC
Tester Bag 1 PC
Auxiliary Earthing Rod 4 PCS
Standard testing Wire 4 wires: each for red 20m, black 20m, yellow 10m, and green 10m
Simple testing Wire 2 wires: each for red 1.6m and black 1.6m
Zinc-manganese Dry Battery 6 PCS (R14S 1.5V)
Monitoring Software Disk 1 Copy
RS232 Communication Cable 1 PC
Manual/Warranty Card/Qualification Certificate 1 Copy

011 805 5030 / 084 3797 031 - Phone orders
Monday-Friday, 08:00-17:00

Product details

Category: Ground Resistance Testers

Manufacturer: Citek

Product code - SKU: Citek 50830B

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