Mewoi4700Equipotential&dc Low Resistance Tester

Supplier: Japanese quality switchgear components, breakers, magnetic contactors, switches, pilot lights, pushbuttons, panel instrumentations, power management meter, protection relays, transformers, inverters, ups.

Sxzr-10a is single phase dc winding resistance tester which designed specifically to measure dc resistance values of transformer windings and any dc resistance of an inductive device. , controlled by high speed scm, easy to use. , selectable current positions, large measurement range, suitable for the dc resistance values measuring of large-medium transformers. , full protection functions to ensure safety and availability. , auto discharging and discharging indicator. , intelligent power management technology, small consumption, less heating. , 320x240 true color lcd screen. , built-in thermal printer. , perpetual calendar, 1000 groups data storage no lost even power failure. , rs232 and usb interface, easy communicate with pc and u disk.

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PE coil pipes and tubes for water and wire cable conduit PL231 The PE coil pipes and tubes can be used: water pipe 4 â?? 6 â?? 1-inch black coil with pressure 1.6mpa, OD 20-75mm, WT 2.3-6.8mm pe conduit cable embedded wire cable and optical cable, OD 20-200mm, WT 1.8-3.5mm weak current protection tube and communication tube, OD 20-200mm, WT 1.8-3.5mm We use new 100% pure raw PE material WHY NEW MATERIAL HDPE PIPES? 1. Health performance PE pipe processing without adding heavy metal salt stabilizer, no scaling layer, and no bacteria. 2. Corrosion resistance It can resist various chemical media erosion, with no electrochemical corrosion. 3. Service life Under rated temperature and pressure conditions, PE pipes can be used for more than 50 years. 4. Impact resistance PE pipe toughness, high impact strength, heavy objects directly pressed through the pipeline will not break. 5. Connection performance The strength of the hot melt or electric melt interface of the polyethylene HDPE pipe is higher than that of the pipe body, and the joint will not be broken due to soil movement or live load. 6. Construction performance It has a lightweight pipe weight, a simple welding process, convenient construction, and a low overall project cost.

MEWOI3100B+ Clamp Earth Resistance Tester is widely applied in ground resistance measurement, loop resistance measurement in fields such as electric power, telecommunications, meteorology, oil field, architecture and industrial electrical equipment, etc. When measuring ground system with loop, there is no need to disconnect the ground wire without auxiliary electrode, which means safer and faster. MEWOI3100B+ Clamp Earth Resistance Tester can measure the ground fault which can not be measured by traditional method, can apply in the occasion where traditional methods are unworkable; MEWOI3100B+ Clamp Earth Resistance Tester measures the integrated value of ground resistance and resistance lead. Main Features 1Measuring Range0.01-200Ω2Stored Data99 sets3Clamp Size32mm4Power Consumption:Maximum 50mA Model No.: MEWOI3100B+ Name: MEWOI3100B+-0.01Ω-200Ω Earth Resistance Clamp meter/tester

Product description Earth ground resistance tester is a high-precision testing instrument used in various fields such as substations to test grounding resistance and related parameters.The instrument is of an integrated structure, with a built-in frequency conversion power supply module, and the output power supply is continuously variable in frequency. The frequency can be changed to 45Hz or 55Hz, the high-speed processor core is built in, and the high-end digital filtering technology is adopted, thus effectively avoiding the interference of power frequency electric field to the test and fundamentally solving the difficult problem of accurate measurement under strong electric field interference. Technical index 1 Conditions of use 1 540 RH 80% 2 Anti-interference principle Frequency conversion method 3 Electric source AC 220V 10% allowed generator 4 Measure output current 1A 5A Adjustable 5 Measure output voltage 0V 100V 6 Test power frequency 45, 50, 55, 60, 65HZ single frequency 45 55, 55 65 47.5 52.5HZ Automatic Dual Frequency 7 Output rating 500W 8 Distinguishing rate Grounding impedance 0.0001 Impedance angle 0.0001 9 Precision Grounding impedance 1% reading 0.002 Impedance angle 1% reading 0.02 10 Resistance measurement range 0.001 5 11 Exterior dimensions 370 295 W 225 H 12 Memory size 100 groups support U disk data storage 13 Weight Main engine 13 Kg, ground pile 7 Kg