ETCR3000B 0.00-30.00kohm Digital Earth Resistance Tester Ground meter with CE certification Fast shipping | Инструменты

 Earth Resistance Soil Resistivity Tester is composed of host machine, monitoring software, testing wires, auxiliary ground pillars, communication wires and others. The large LCD display of host machine is with blue backlight and bar graph indicating that can be seen clearly. At the same time it can store 300 sets of data, fulfilling historical inquiry and online real-time monitoring through monitoring software, dynamic display, alarm indicator, and with the functions like historical data access, reading, preservation, report forms, printing and so on.
  

Technical Specifications

1. Base Conditions and Working Conditions Influence Quantity Base Condition Working Conditions Remark Ambient Temp 23C±1C -10C-40C ---- Ambient Humidity 40%-60% <80% ---- Working Voltage 9V±0.1V 9V±1.5V rC.rP Auxiliary Earth Resistance <100Ω <30kΩ ---- Interference Voltage no <20V ---- Interference Current no <2A   Electrode Distance when measuring R a>5d a>5d ---- Electrode Distance when measuring ρ a>20h a>20h ----   2. General Specification Function 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 128Hz/111Hz/105Hz/94Hz(AFC) Short-circuit Test Current AC 20mA max Open-circuit Test Current AC 40V max Test Voltage Wave Sine wave Electrode Distance Range Can be set 1m-100m Shift Earth Resistance: 0.00Ω-30.00kΩ, automatic shift Soil Resistivity: 0.00Ωm-9000kΩm, automatic shift Backlight 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 128mm×75mm LCD Window Dimension 124mm×67mm 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) Weight Total weight: 4.5kg (including package) Tester: 1443g (including battery) Tesing wires: 1560g Auxiliary earthing rods: 935g (4pcs) WorkingTemperature & Humidity -10C-40C, below 80%rh Storage temperature & humidity -20C-60C, below 70%rh Overload Protection Measuring earth resistance: between each interfaces of C(H)-E.P(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 IEC61326(EMC) Protection Type IEC61010-1 (CATiii 300V.CAT IV 150V.,Pollution 2), IEC61010-031, IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004 3. Intrinsic error and performance indicators under base conditions Category Measurement Range Intrinsic Error Resolution Earth Resistance (R) 0.00Ω-30.00Ω ±2%rdg±3dgt 0.01Ω 30.0Ω-300.0Ω ±2%rdg±3dgt 0.1Ω 300Ω-3000Ω ±2%rdg±3dgt 1Ω 3.00kΩ-30.00kΩ ±4%rdg±3dgt 10Ω Soil Resistivity (ρ)   0.00Ωm-99.99Ωm According to the precision of R (ρ=2πaR a:1 m-100m, π=3.14) 0.01Ωm 100.0Ωm-999.9Ωm 0.1Ωm 1000Ωm-9999Ωm 1Ωm 10.00kΩm-99.99kΩm 10Ωm 100.0kΩm-999.9kΩm 100Ωm 1000kΩm-9000kΩm 1kΩm Earth Voltage AC 0.0-600V ±2%rdg±3dgt 0.1V     Accessories 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

 

Field Application   

  

 

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