دستگاه ارت تستر حرفه ای مولتی فانکشن دیجیتالی پرتابل مدل ERT-50R

Power Supply

 DC7.4V  2600mAh rechargeable lithium battery

2/3/4-wire Method Measure Earth Resistance

 Range:0.00Ω~300KΩ;         Resolution:0.01Ω;      Accuracy:±2%rdg±3dgt

Selection Method Measure Earth Resistance

 Range:0.00Ω~3000Ω;         Resolution:0.01Ω;      Accuracy:±2%rdg±3dgt

Double Clamp Method Measure Earth Resistance

 Range:0.00Ω~100Ω;          Resolution:0.01Ω;      Accuracy:±10%rdg±5dgt

Earth Voltage Measurement

 Range:0.0~100.0V AC;          Resolution:0.1V;        Accuracy:±2%rdg±3dgt

Earth current Measurement

 Range:0.0mA~600.0A         Resolution:0.00mA;      Accuracy:±2%rdg±3dgt

Soil Resistivity Measurement (ρ)

 Range:0.00Ωm~9000KΩm;      Resolution:0.01Ωm

CT Size

 φ70mm

Short-circuit Test Current

 AC 250mA max

Open-circuit Test Current

 AC 40V max

Test Frequency

 128Hz/111Hz/105Hz/94Hz(AFC)

Data Storage

 2000 groups

Automatic Shutdown

 15 Minutes after power on, will automatic shut down without any operation

LCD Dimension

 LCD Frame Dimension: 128mm×75mm;  LCD Display Dimension:124mm×67mm

Tester Dimension

 280mm(L)×260mm(W)×160mm(H)

Total Weight

 6700g(include package)

Working Current

 Standby: around 25mA (Backlight close); Measurement:100mA (Backlight close)

Test Wires

 Red 20m, black 20m, yellow 10m, green 10m, red 1.6m, black 1.6m (total 6 pcs wires)

Auxiliary Ground Rod

 4PCS, φ10mm×150mm

USB Interface

 With USB interface, software monitoring, storage data can be uploaded to computer, saved and printed

Bluetooth Communication

 Support the bluetooth communication function of Android system, after installation the APP, mobile terminals can be used to testing operations and view test records

Alarm Function

Measure value exceed alarm setting value, will "Toot-toot-toot" alarm indication

Battery Voltage

 While battery voltage decreases to around DC 7.2V±0.1V, will display low battery voltage symbol“”, and remind to replace the battery

Accessories

 Tester:1PC;Current Clamp Sensor:2PCS; Ground Rod:4PCS;  Testing wires:6PCS; USB communication cable :1PCS; Special charger: 1PCS; Tester bag:1PCS

 Measurement Function

 Measurement Range

Intrinsic Error

Resolution

 2/3/4 pole method measure earth resistance(Re)    DC resistance(R--)

 0.00Ω-29.99Ω

±2%rdg±5dgt

0.01Ω

 30.0Ω-299.9Ω

±2%rdg±3dgt

0.1Ω

 300Ω-2999Ω

±2%rdg±3dgt

1Ω

 3.00kΩ-300kΩ

±4%rdg±3dgt

10Ω

 Selection method measure grounding resistance(Re)

 0.00Ω-29.99Ω

±2%rdg±5dgt

0.01Ω

 30.0Ω-299.9Ω

±2%rdg±3dgt

0.1Ω

 300Ω-3000Ω

±2%rdg±3dgt

1Ω

 Double clamp method measure grounding resistance(Re)

 0.01Ω-0.99Ω

±10%rdg±5dgt

0.01Ω

 1.0Ω-29.9Ω

0.1Ω

 30Ω-100Ω

1Ω

 Soil Resistivity

(ρ)

 0.00Ωm-99.99Ωm

Accuracy: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(50Hz/60Hz)

 AC 0.0-100.0V

±2%rdg±3dgt

0.1V

 Alternatingcurrent(50Hz/60Hz)

 0.0mA-600.0A

±2%rdg±3dgt

0.01mA