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Sew ST-1505
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● High quality Taut Band movement.● Capable of measuring earth resistance and earth voltage. ● The timer operates automatically for about three to five minutes when the “PUSH BUTTON SWITCH” and “TIMER ON BUTTON” are pressed together. ● This will keep test “ON” for the duration of the timer.● Battery check function. ● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-10Ω / 0-100Ω / 0-1000Ω Earth voltage 0-30 Vac (40-500Hz)
Accuracy
Earth resistance ±3% of full scale Earth voltage ±2.5% of full scale
Measuring system
Earth resistance by constant current inverter 820 Hz, 2mA approx.
Open circuit indication
LED will be unlit
Dimensions
163(L) × 100(W) × 50(D)mm
Weight (battery included)
Approx. 460g
Power source
1.5V (AA) × 6
Safety standards
IEC 1010 CAT II 30V
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3 Wire (Analogue) Earth Resistance Testers
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Sew 1105 ER
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● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● In addition to facilitating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.● Battery operated.● Battery life indicator. ● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-12Ω / 0-120Ω / 0-1200Ω Earth voltage 0-30 Vac (40-500Hz)
Accuracy
Earth resistance ±3% of full scale Earth voltage ±2.5% of full scale
Measuring system
Earth resistance by constant current inverter 820 Hz, 2mA approx.
Open circuit indication
LED will be unlit
Dimensions
175(L) × 85(W) × 75(D)mm
Weight (battery included)
Approx. 600g
Power source
1.5V (AA) × 8
Safety standards
EN 61010-1 CAT IV 30V EN 61326-1
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3 Wire (Analogue) Earth Resistance Testers
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Sew 1805 ER
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● High quality Taut Band movement.● Capable of measuring earth resistance and earth voltage. ● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● Test leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Battery check function. ● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-10Ω / 0-100Ω / 0-1000Ω Earth voltage 0-30 Vac (40-500Hz)
Accuracy
Earth resistance ±3% of full scale Earth voltage ±2.5% of full scale
Measuring system
Earth resistance by constant current inverter 820Hz, 2mA approx.
Open circuit indication
LED will be unlit
Dimensions
170(L) × 165(W) × 92(D)mm
Weight (battery included)
Approx. 1000g
Power source
1.5V (AA) × 8
Safety standards
EN 61010-1 CAT III 150V EN 61326-1
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3 Wire (Analogue) Earth Resistance Testers
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Sew 2105 ER
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● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● In addition to facilitating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.● Battery operated.● Battery life indicator. ● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-12Ω / 0-120Ω / 0-1200Ω Earth voltage 0-30 Vac (40-500Hz)
Accuracy
Earth resistance ±3% of full scale Earth voltage ±2.5% of full scale
Measuring system
Earth resistance by constant current inverter 820 Hz, 2mA approx.
Open circuit indication
LED will be unlit
Dimensions
210(L) × 210(W) × 100(D)mm
Weight (battery included)
Approx. 1370g
Power source
1.5V (AA) × 8
Safety standards
EN 61010-1 CAT III 30V EN 61326-1
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3 Wire (Analogue) Earth Resistance Testers
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Sew 2705 ER
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● High quality Taut Band movement.● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● Test leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Battery check function. ● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-10Ω / 0-100Ω / 0-1000Ω Earth voltage 0-30 Vac (40-500Hz)
Accuracy
Earth resistance ±3% of full scale Earth voltage ±2.5% of full scale
Measuring system
Earth resistance by constant current inverter 820 Hz, 2mA approx
Open circuit indication
LED will be unlit
Dimensions
205(L) × 90(W) × 55(D)mm
Weight (battery included)
Approx. 514g
Power source
1.5V (AA) × 6
Safety standards
EN 61010-1 CAT III 30V EN 61326-1
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3 Wire (Analogue) Earth Resistance Testers
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Sew 4105 ER
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● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● In addition to facilitating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.● Battery operated.● Battery life indicator. ● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-12Ω / 0-120Ω / 0-1200Ω Earth voltage 0-30 Vac(40-500Hz)
Accuracy
Earth resistance ±3% of full scale Earth voltage ±2.5% of full scale
Measuring system
Earth resistance by constant current inverter 820 Hz, 2mA approx.
Open circuit indication
LED will be unlit
Dimensions
250(L) × 190(W) × 110(D)mm
Weight (battery included)
Approx. 1500g
Power source
1.5V (AA) × 8
Safety standards
EN 61010-1 CAT III 30V EN 61326-1
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3 Wire (Analogue) Earth Resistance Testers
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Sew 1620 ER
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● Microprocesser-controlled. ● Measures earth resistance in three ranges : 40Ω, 400Ω, 4kΩ.● Capable of measuring earth voltage.● 3 ¾ digit (4000 counts).● LCD backlight display.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● Data hold function.● Relative function.● Auto power-off function.● Low battery indication.● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth Resistance 0~40Ω / 0~400Ω / 0~4kΩ Earth Voltage 0~400V (40~500Hz)
Accuracy
Earth Resistance ±(2%rdg+3dgt) Earth Voltage ±(2%rdg+3dgt)
Earth resistanceresolution
0~40Ω : 0.01Ω 0~400Ω : 0.1Ω 0~4kΩ : 1Ω
Measuring system
Earth resistance by constant current inverter 820 Hz, 2mA approx.
Dimensions
163(L) x 102(W) x 50(D)mm
Weight (battery included)
Approx. 440g
Power source
1.5V (AA) x 6
Safety standards
EN 61010-1 CAT IV 400V EN 61326-1 EN 61557-1 EN 61557-5
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3 Wire (Digital) Earth Resistance Testers
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Sew ST-1520
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● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● Auto power off function.● The timer operates automatically for about three to five minutes when the "PUSH BUTTON SWITCH" and "TIMER ON BUTTON" are pressed together. This will keep test "ON" for the duration of the timer.● Timer for test function (count 3-5 minutes).● Battery operated.● Data hold function.● Small and light weight.● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac (40-500Hz)
Accuracy
Earth resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt)
Earth resistanceresolution
0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω
Measuring system
Earth Resistance by constant current inverter 820Hz approx. 2mA.
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3 Wire (Digital) Earth Resistance Testers
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