• Function : Measurement of 2/3/4-pole earth resistance, soil resistivity, earth voltage, AC voltage

• Measurement Range : Earth Resistance: 0.00Ω-30.00 kΩ

: Soil Resistivity: 0.00Ω-9000kΩ

• 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

: 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-30.00 kΩ, automatic shift

: Soil Resistivity: 0.00Ω-9000kΩ, 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

• 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

• Line Voltage : below AC 600V

• Measuring Times : Over 5000 times (Short-circuit test, interval time should be at least 30 seconds)

• RS232 Interface : 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(100 R+rC<50kΩ, 100 R+rP<50kΩ)

• Operating Temperature & Humidity : -10? -40? , below 80%rh

• Storage temperature & humidity : -20? -60? , below 70%rh

• Alarm Function : When measuring value exceeds alarm setting value, there is alarm Sound

• Battery Voltage : When battery voltage decreases to about 7.5V, battery voltage low icon will display, reminding to replace battery.

• 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 (CAT ? 300 V?CAT IV 150V?Pollution 2), IEC61010-031, IEC61557-1(Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004

• Power Consumption : Standby: about 20mA (Backlight shut off)

: Boot and with backlight: about 45mA (25mA without backlight)

: Measurement: about 100mA (Backlight shut off)

• Power Supply : DC 9V(Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )

• Accessories : Standard testing wire 4nos., Simple testing wire 2nos., earth rods 4pcs., Battery, Manual Software CD, RS232 Communication cable & Carrying case.