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4167-mf
Sew 4167 MF FEATURES ● 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.● Two insulation test voltages(DC) : 250V and 500V.● Alternation voltage measurement.● Battery life indicator.● Fuse protected.     SPECIFICATIONS       Earth Resistance     Measuring system Earth resistance by constant current inverter 820Hz, 2mA approx. Measuring Ranges Earth resistance:     0-12/0-120/0-1200Ω Earth voltage:     0-30V AC   40-500Hz Accuracy Earth resistance:     ±3% F.S. Earth voltage:     ±2.5% F.S. Insulation     Test voltage(DC V) 250V 500V Measuring ranges 0-100MΩ 0-200MΩ Output voltage on open circuit Rated test voltage +10% ... Insulation & Multifunction Testers (LCD Display)
4175-tmf
Sew 4175 TMF FEATURES ● Microprocessor-controlled.● Telecommunication test voltage : 50V and 100V.● Large range of insulation test voltages: 50, 100, 125, 250, 500, 1000V.● Mov / protection devices test.● Gas Arrester function.● Automatic voltmeter AC/DC at Start/Reset.● Test ON-OFF.● Battery test.● Safety voltmeter before each test.● Auto-discharge on all test and all ranges.● Battery test at Switch ON-TEST.● Smart hold & Stop on voltmeter AC/DC.● eads AUTO-NULL Key.● Test Auto-stop.● Auto range.● Ener-Save™.     SPECIFICATIONS   Insulation Resistance     Test voltage (DC) and Measuring ranges 50V / 0.1MΩ~400MΩ 100V / 0.1MΩ~800MΩ 125V / 0.1MΩ~1GΩ 250V / 0.2M~2GΩ 500V / 0.2MΩ~4GΩ 1000V / 0.2M~8GΩ Output voltage @ 1mA Rated test Voltage +10% Accuracy 0.1MΩ~4GΩ : ±3%rdg 4MΩ~8GΩ : ±5%rdg Nominal voltage rated 1mA Short circuit current 1.2mA Polarization index(PI) ˇ Detective absorption ratio (DAR) ˇ Continuity     Ranges 0.01~100Ω / 100 ~300Ω / 300~1999Ω ... Insulation & Multifunction Testers (LCD Display)
4153-in
Sew 4153 IN FEATURES ● Microprocessor-controlled.● Measures Insulation Resistance, voltage (AC-DC) measurements   with automatic hold facility, diode, ohm, and continuity with a short   circuit current of minimum 220mA.● Auto-off function.● Energy conservation feature.● Ener-Save™ limit the test duration to about 10 Seconds.● Quick Test and EnerSave™ are unique features. Both saves energy.● No moving parts. All calibration are saved internally in a non volatile memory.● Easy calibration at any facility around the world.● Operates with rechargeable batteries, alkaline or low cost general purpose batteries.● Low cost maintenance, calibration, and ownership.● Complies to all the latest regulations, including UK.     SPECIFICATIONS       Insulation Test     Test voltage (DC V) and Measuring ranges 250V / 0.2M~2GΩ 500V / 0.2M-4GΩ 1000V / 0.2M-8GΩ Output voltage @ 1mA Rated test Voltage +10% Max Accuracy 0.2M~4GΩ : ±3%rdg   4GΩ~8GΩ : ±5%rdg When voltage is constant, Current is limited at ... Insulation & Multifunction Testers (LCD Display)
4102-mf
Sew 4102 MF FEATURES ● Measures Insulation Resistance, voltage (AC-DC) measurements● Automatic hold facility.● Continuity test with a short circuit current of minimum 200mA.● MOV and Gas Arrester Testing.● Energy conservation is feature.● EnerSave™ limits the test duration to about 10 Seconds to save energy.● No moving parts. All calibration are saved internally in a non volatile memory.● Easy calibration at any facility around the world.● Low cost maintenance, calibration, and ownership.● Complies to all the latest regulations, including UK.     SPECIFICATIONS       Insulation Test     Test voltage (DC V)  250V / 500V / 1000V Output voltage @ 1mA  Rated test Voltage +10% Max Measuring ranges 0.2M~2G / 0.2M-4G / 0.2M-8GΩ Accuracy 0.2M~4GΩ : ±3%rdg 4GΩ~8GΩ : ±5%rdg When voltage is constant, Current is limited at 1.2mA Short circuit current 4mA Max. Continuity Test     Measuring ranges 0.01-1999Ω Accuracy 0.01-100Ω : ±1.0%rdg 100-300Ω : ±1.5%rdg 300-1999Ω :... Insulation & Multifunction Testers (LCD Display)
4101-in
Sew 4101 IN FEATURES ● Measures Insulation Resistance, voltage (AC-DC) measurements.● Automatic hold facility.● Continuity test with a short circuit current of minimum 200mA.● Energy conservation is feature.● EnerSave™ limits the test duration to about 10 Seconds to save energy.● No moving parts. All calibration are saved internally in a non volatile memory.● Easy calibration at any facility around the world.● Low cost maintenance, calibration, and ownership.● Complies to all the latest regulations, including UK.     SPECIFICATIONS       Insulation Test     Test voltage (DC V) 250V / 500V / 1000V Output voltage @ 1mA Rated test Voltage +10% Max Measuring ranges 0.2M~2G / 0.2M-4G / 0.2M-8GΩ Accuracy 0.2M~4GΩ : ±3%rdg 4GΩ~8GΩ : ±5%rdg When voltage is constant, Current is limited at 1.2mA Short circuit current 4mA Max. Continuity Test     Measuring ranges 0.01-1999Ω Accuracy 0.01-100Ω : ±1.0%rdg 100-300Ω : ±1.5%rdg 300-1999Ω : ±2.0%rdg Short circuit current ... Insulation & Multifunction Testers (LCD Display)
2788-mf
Sew 2788 MF FEATURES ● Auto-range microprocessor-controlled.● Insulation test voltages : 250, 500, 1000VΩ.● Mov / protection devices test.● Gas Arrester function.● Automatic voltmeter AC/DC at Start/Reset.● Test ON-OFF.● Battery test.● Safety voltmeter before each test.● Auto-discharge on all test and all ranges.● Leads Auto-null key.● Test Auto-stop.● Smart hold & stop on voltmeter AC/DC.● Ener-Save™.     SPECIFICATIONS       Insulation Resistance     Test voltage (DC V) 250V / 500V / 1000V Measuring ranges 250V : 0.2MΩ~2GΩ 500V : 0.2MΩ~4GΩ 1000V : 0.2MΩ~8GΩ Accuracy 0.2MΩ~4GΩ : ±3%rdg 4MΩ~8GΩ : ±5%rdg Nominal voltage rated 1mA Short circuit current 1.2mA Polarization index (PI) ˇ Detective absorption ratio (DAR) ˇ Continuity     Range 0.01~100Ω / 100 ~300Ω / 300~1999Ω Resolution 2 counts Accuracy 0.01~100Ω : ±1.0%rdg 100~300Ω : ±1.5%rdg 300~1999Ω : ±2.0%rdg Auto-null up to 5Ω Buzzer up to 3Ω KΩ... Insulation & Multifunction Testers (LCD Display)
1155-tmf
Sew 1155 TMF FEATURES ● Microprocessor-controlled.● Automatic voltmeter AC/DC at Start/Reset.● Auto range● Auto off.● Battery test.● Battery test at switch ON/Reset.● Safety voltmeter before each test.● Auto discharge on all test and all ranges.● Leads Auto-Null key.● Test Auto-Stop.● Smart hold & stop on voltmeter ac/dc.● Ener-Save feature to extend battery life.● Continuity short circuit current > 220mA.● Continuity open circuit voltage of 5Vdc.● Nominal voltage @ 1mA on all insulation ranges.● Accept 8 rechargeable batteries or Alkaline of normal.● BS 16 edition.     SPECIFICATIONS       Insulation Resistance     Test voltage 50V / 100V / 125V / 250V / 500V /1000V Measuring ranges 0.1M~400MΩ / 0.1M~800MΩ / 0.1M~1GΩ / 0.2M~2GΩ / 0.2M~4GΩ / 0.2M~8GΩ Continuity     Range 0.01Ω~1999Ω Voltmeter     AC V 0-700V DC V 0-950V PI Function ˇ DAR Function ˇ Metal Oxyde Varistor ˇ Gas Arrester Voltage ˇ Insulation & Multifunction Testers (LCD Display)
1154-tmf
Sew 1154 TMF FEATURES ● Microprocessor-controlled.● Automatic voltmeter AC/DC at Start/Reset.● Auto range● Auto off.● Battery test.● Battery test at switch ON/Reset.● Safety voltmeter before each test.● Auto discharge on all test and all ranges.● Leads Auto-Null key.● Test Auto-Stop.● Smart hold & stop on voltmeter ac/dc.● Ener-Save feature to extend battery life.● Continuity short circuit current > 220mA.● Continuity open circuit voltage of 5Vdc.● Nominal voltage @ 1mA on all insulation ranges.● Accept 8 rechargeable batteries or Alkaline of normal.● BS 16 edition.     SPECIFICATIONS       Insulation Resistance     Test voltage 50V / 100V / 125V / 250V / 500V /1000V Measuring ranges 0.1M~400MΩ / 0.1M~800MΩ / 0.1M~1GΩ / 0.2M~2GΩ / 0.2M~4GΩ / 0.2M~8GΩ Continuity     Range 0.01Ω~1999Ω Voltmeter     AC V 0-700V DC V 0-950V Metal Oxyde Varistor ˇ Gas Arrester Voltage ˇ Insulation & Multifunction Testers (LCD Display)