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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 ...
Category:
Digital (1kV below) Insulation Testers
FEATURES ● Microprocessor-controlled with advanced safety features.● Three test voltages : 250 / 500 / 1000V.● Displays and sound warning if external voltage present.● Ener-Save™ feature to extend battery life.● Continuous battery monitoring.● Auto ranging / auto-null / auto-off.● Insulation tested at 1mA.● Built-in carry case, test leads in separate pouch.● Real-time barg-raph display of test voltage and voltage decay during discharge.● Audible and visual message displayed if external voltage is present.● Large LCD.● Display can be customized for special orders.● Continuity buzzer.● Show test time duration (up to 99.9s) for easy comparison.● BS 16 edition. SPECIFICATIONS Insulation Resistance Test voltage (DC V) 250V / 500V / 1000V Measuring ranges (Auto ranging) 0-1000MΩ / 0-2000MΩ / 0-3000MΩ Accuracy ±3%rdg Output current 1mA DC min at 0.25MΩ(250V) 1mA DC min at 0.5MΩ(500V) 1mA DC min...
Category:
P Series
DC up to 15A ● Case and Composition: Acrylic resin front. ABS case. Four studs mounting. Two studs mounting. ● Accuracy :DC : Class 2.0 AC : Class 2.5 Rectifier : Class 2.0 ● Color：Black case, white scale plate. ● Pointer：Tube type, color in black or red.
Category:
S Series
DC up to 10A ● Case and Composition: Acrylic resin front and Bakelite case. Four studs mounting. ● Accuracy : Moving coil type：Class 2.0 Moving lron type：Class 2.5 Rectifier : Class 2.0 ● Color：Black case. ● Color：white scale plate.(yellow scale plate only ST-645) ● Pointer：Tube or knife-type, color in black or red.
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 :...
Category:
Test Leads
Wire : PVC UL 1803 / 18AWG. length : 1100±30mm Out diameter : 4.0mm Temperature tolerance range : -40ºC~105ºC Braid copper wires : 170 / 0.08mm● Terminal : 105º angle 4mm brass banana plug (nickel plated) with caged and insulated sheathing to avoid the brass oxidation.● Rating : EN 61010-031:2002 + A1:2008 CAT III 1000V 10A / CAT IV 600V 10A