Shakib Ahmed Earth and Environmental Sciences Boston College
4-Wire Earth Resistance Tester - SEWFEATURES Microprocessor-controlled. Earth testing at 2Ω, 20Ω,...
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FEATURES ● Microprocessor-controlled. ● Earth testing at 2Ω, 20Ω, 200Ω, 2kΩ. ● Earth voltage measuring : 0-300V AC. ● Automatic C spike check. ● Automatic P spike check. ● 2-Wire test. ● 3-Wire test. ● 4-Wire test. ● LCM display. ● Auto ranging. ● Auto power OFF. ● Data hold. ● Robust, compact and easy-to-carry. 4234 ER test spike MAX. AC 300V P 2 C 2 C 1 P 1 H S E ES Earth electrode (rod) under test MAX. AC 300V H S E ES P 2 C 2 C 1 P 1 Earth electrode (rod) under test Potential spike Current spike MAX. AC 300V P 2 C 2 C 1 P 1 H S E ES Earth electrode (rod) under test Potential spike Current spike MAX. AC 300V P 2 C 2 C 1 P 1 H S E ES Earth electrode (rod) under test Potential spike Four-terminal earth resistance measurement Earth Voltage measurement Three-terminal earth resistance measurement Two-terminal earth resistance measurement Carry case Instruction manual Test leads Auxiliary earth spikes Batteries Shoulder belt SPECIFICATIONS Measuring ranges Earth Resistance 0-2Ω / 0-20Ω / 0-200Ω / 0-2kΩ Earth Voltage 0-300V AC Accuracy Earth Resistance: 0-2Ω: ±(2%rdg+0.1Ω) 0-20Ω,0-200Ω,0-2kΩ: ±(2%rdg+3dgt) Earth Voltage: ±(2%rdg+3dgt) Earth resistance resolution 0-2Ω : 0.01Ω 0-20Ω : 0.1Ω 0-200Ω : 1Ω 0-2kΩ : 10Ω Temperature & humidity Operating: 0°C~40°C ≤80% R.H. Storage: -10°C~50°C ≤80% R.H. Dimensions 250(L) x 190(W) x 110(D)mm Weight (battery included) Approx. 1500g Power source 1.5V (AA) x 8 Safety standards EN 61010-1 CAT IV 300V EN 61557-1 EN 61557-5 EN 61326-1 Accessories Instruction manual Test leads (red-15m, black-10m, yellow-10m, green-5m) Auxiliary earth spikes Carry case Shoulder belt Batteries 5F., NO.105, Jhongcheng Rd., Tucheng Dist., New Taipei City 23674, Taiwan (R.O.C.) TEL: 886-2-22681528 FAX: 886-2-22681529 e-mail: [email protected] www.sew.com.tw MEASURE WITH PRECISION 4-Wire Earth Resistance Tester
Transcript of 4-Wire Earth Resistance Tester - SEWFEATURES Microprocessor-controlled. Earth testing at 2Ω, 20Ω,...
FEATURES Microprocessor-controlled. Earth testing at 2Ω, 20Ω, 200Ω, 2kΩ. Earth voltage measuring : 0-300V AC. Automatic C spike check. Automatic P spike check. 2-Wire test. 3-Wire test. 4-Wire test. LCM display. Auto ranging. Auto power OFF. Data hold. Robust, compact and easy-to-carry.
4234 ER
test spike
MAX.AC 300V
P2 C2C1 P1
HSE ES
Earth electrode(rod) under test
MAX.AC 300V
HSE ES
P2 C2C1 P1
Earth electrode(rod) under test
Potentialspike
Currentspike
MAX.AC 300V
P2 C2C1 P1
HSE ES
Earth electrode(rod) under test
Potentialspike
Currentspike
MAX.AC 300V
P2 C2C1 P1
HSE ES
Earth electrode(rod) under test
Potentialspike
Four-terminal earth resistance measurement
Earth Voltage measurement
Three-terminal earth resistance measurement
Two-terminal earth resistance measurement
Carry caseInstruction manual
Test leadsAuxiliary
earth spikesBatteries
Shoulder belt
SPECIFICATIONS
Measuring ranges
Earth Resistance0-2Ω / 0-20Ω / 0-200Ω / 0-2kΩEarth Voltage0-300V AC
Accuracy
Earth Resistance:0-2Ω: ±(2%rdg+0.1Ω)0-20Ω,0-200Ω,0-2kΩ: ±(2%rdg+3dgt)Earth Voltage: ±(2%rdg+3dgt)
Earth resistanceresolution
0-2Ω : 0.01Ω0-20Ω : 0.1Ω0-200Ω : 1Ω0-2kΩ : 10Ω
Temperature& humidity
Operating: 0°C~40°C ≤80% R.H.Storage: -10°C~50°C ≤80% R.H.
Dimensions 250(L) x 190(W) x 110(D)mmWeight(battery included) Approx. 1500g
Power source 1.5V (AA) x 8
Safety standardsEN 61010-1 CAT IV 300VEN 61557-1 EN 61557-5EN 61326-1
Accessories
Instruction manualTest leads (red-15m, black-10m, yellow-10m, green-5m)Auxiliary earth spikes Carry caseShoulder beltBatteries
5F., NO.105, Jhongcheng Rd., Tucheng Dist., New Taipei City 23674, Taiwan (R.O.C.)
TEL: 886-2-22681528FAX: 886-2-22681529
e-mail: [email protected]
MEASURE WITH PRECISION
4-Wire Earth Resistance Tester
