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Here, you will find out more about our company,KKInstruments. And hopefully, you will get to...
In engineering, the airflow or air flow is a measurement of the amount of air per unit of time...
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Follow legal stipulations and at the same time save costs in deep-frying.
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World's best-in-class accuracy 2D measurement systemA sophisticated height gage offering...
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A refractometer is a laboratory or field device for the measurement of an index of refraction...
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Sew 4105 ER | ● 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 | 3 Wire (Analogue) Earth Resistance Testers |
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Sew 2705 ER | ● 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 | 3 Wire (Analogue) Earth Resistance Testers |
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Sew 2105 ER | ● 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 | 3 Wire (Analogue) Earth Resistance Testers |
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Sew 1805 ER | ● 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 | 3 Wire (Analogue) Earth Resistance Testers |
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Sew 1105 ER | ● 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 | 3 Wire (Analogue) Earth Resistance Testers |
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Sew ST-1505 | ● 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 | 3 Wire (Analogue) Earth Resistance Testers |
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Sew 4120 ER | FEATURES ● 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.● The leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Data hold function.● Battery test indication.● 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) at 200/2000Ω ±(2%rdg+0.1Ω) at 20Ω Earth voltage ±(1%rdg+2dgt) Earth resistance resolution 0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω Measuring system Earth Resistance by constant current inverter 820Hz approx. 2mA Display 3½ digit (2000 counts) Open circuit indication LED will be unlit Low battery indication “ “symbol appears on the display Data hold ... | 3 Wire (Digital) Earth Resistance Testers |
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Sew 2720 ER | FEATURES ● 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.● The leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Data hold function.● Battery test indication.● 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 resistance resolution 0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω Measuring system Earth Resistance by constant current inverter 820Hz approx. 2mA Display 3½ digit (2000 counts) Open circuit indication LED will be unlit Low battery indication “ “symbol appears on the display Data hold ... | 3 Wire (Digital) Earth Resistance Testers |
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