1.1 Introduction APVA-402 is a special instrument for testing characteristic of CT and PT .The tester can finish CT/PT transformation ratio test, CT/PT polarity test, volt-ampere feature curve drawing and CT error drawing. It has large output, high precision,stable performance and automatic testing. 1.2 Funtion 1 CT/PT transformation ratio test 2 CT /PT polarity test 3 CT /PT volt-ampere feature curve measurement 4 CT ratio error measurement 5 Error curve measurement 6 Result print 7 Unload data to PC 8 PC online test . Wooden case.
Accuracy ¡¨¤¡ê¡§0.1%+50ms¡ê Memory group/test step 50sets/40steps 290mm*100mm*415mm 14kg
Features: Widely applied in ground resistance measurement, loop resistance measurement With optional function of RS232 interface data upload No need to disconnect the ground wire from the ground net Without auxiliary electrode High accuracy and resolution With data memory Automatic power off Specifications: Clamp size: 65 x 32mm Resistance range: 0.01 to 1,200ohm; With automatic shifting Resistance resolution: 0.001ohm; Data memory: 99 sets Alarm setting: 1 to 199ohm; and buzzer alarm Quick boot: in 0.5 second With lower consumption.
Earth Resistance Tester: Model: ETCR2100+(basal) Category: Ground Resistance tester Earth Resistance Tester (ETCR2100+)-Illustration: ETCR 2100+ of Pincers Earth Tester, in the measurement of a grounding system with loop current, does not require breaking down the grounding wire, and need no auxiliary electrode. It is safe, fast and simple in use. 1.Wider range: 0.01Ñ+-1200Ñ+ 2.Stored data: 99 groups. 3.Resistance Resolution: 0.01Ñ+ 4.Size of Jaw: ¬¬32ú¿mmú¬ 5. Sound and light alarm, "beep - beep - beep -" alarm sound. 6. Breakthrough in self-test the boot a long time to wait, start immediately into the test. 7. Breakthrough relay self-test mode, using the most advanced processing algorithms and digital integration technology, a fully intelligent. 8. Break the old product to heavy issues, more in line with characteristics of handheld devices. 9. The new design, panel 6 button operation, the performance through. 10. Lower power consumption: Maximum operating current not exceeding 50mA. 260*90*66(MM)
1.1Product Introduction Apva-401 is a special instrument for testing characteristic of ct; the tester can finish ct transformation ratio test, ct polarity test, volt-ampere feature curve drawing and ct error drawing. It has large output, high precision, stable performance and automatic testing. 1.2 Funtion 1 ct transformation ratio test 2 ct polarity test 3 ct volt-ampere feature curve measurement 4 ct ratio error measurement 5 error curve measurement 6 result print 7 unload data to pc 8 pc online test .
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
Main features:1. 2/3/4-wires measurement of earth resistance, soil resistivity, earth voltage, , ac voltage;, 2.Measurement range: earth resistance: 0.00î©-30.00kî©; 0~600v, soil, resistivity: 0.00î©m-9000kî©m; 3. Data upload: rs232 interface, 4.Date storage:300 sets, model no:mewoi4000c, name:mewoi4000c-earth ground resistance/soil resistivity tester, electrode distance range:can be set 1m-100m, low power consumption:standby:1. About 20ma (backlight shut off), 2.Boot and with backlight: about 45ma, (25ma without backlight), 3.Measurement: about 100ma, (backlight shut off)
Product description Current transformer field tester was developed with high-end testing technology, large-scale electronic circuit design and accord with national related protocol . It has solved the problem of big working intensity,trival operation while on-site test of current transformer, voltage transformer. Meanwhile the product has a reliable performance,and the function is strong. Technical index Test range: 5A5A~25000A5A or 5A1A~5000A1A Tested current transformer work scope: 1% 120% Second load 2.5 VA 300VA, COS 0.8 1.0 Be tested current transformer accuracy range 1.0, 0.5, 0.5 S, 0.2 and 0.2 S Resistance, admittance measurement errors 5.0% Measurement range R 0.00 ~20.0 Y 0.000mS~100.0 mS Power consumption 20 VA Accuracy level 0.05 S level Shape dimension mm 460 L 375 W 183H Weight kg 10 Feature HCCT-H Current Transformer Field Tester with recursive method to measure current transformer error, as well as potential difference method to measure voltage transformer error function, convenient for carrying out calibration work of field metering device. HCCT-H Current Transformer Field Tester without using Standard Current Transformer, Current Source, Load Box, Double Adjustable Control Box and Primary cable, using extremely simple test connection and operation to realize the current transformer test, greatly reduce work intensity and improve the work efficiency, convenient to carry out current transformer field test work.
Clamp on ground resistance tester ETCR 2000C *Accurate ground resistance measurement from 0.01to 1000Ohms *current measurement including leakage current *Accurate readings regardless of power quality in 1 seconds *Simple and easy to use, no test leads or auxiliary electrodes necessary *Data logging capability - 50 records *Individual data point recording *User selectable audible alarms *Auto power off *Low battery indicator *Large LCD display Ground Resistance: 0.010 - 0.099 Ohms (¿¬+ 1% ¿¬+ 0.01 Ohms, resolution 0.001 Ohms) Ground Resistance: 0.10 - 0.99 Ohms (¿¬+ 1% ¿¬+ 0.01 Ohms, resolution 0.01 Ohms) Ground Resistance: 1.0~49.9 Ohms (¿¬+ 1.5% ¿¬+ 0.1 Ohms, resolution 0.1 Ohms) Ground Resistance: 50.0~99.5 Ohms (¿¬+ 2% ¿¬+ 0.5 Ohms, resolution 0.5 Ohms) Ground Resistance: 100~199 Ohms (¿¬+ 3% ¿¬+ 1 Ohms, resolution 1 Ohms) Ground Resistance: 200~395 Ohms (¿¬+ 6% ¿¬+ 5 Ohms, resolution 5 Ohms) Ground Resistance: 400~590 Ohms (¿¬+ 10% ¿¬+ 10 Ohms, resolution 10 Ohms) Ground Resistance: 600~1000 Ohms (¿¬+ 20% ¿¬+ 20 Ohms, resolution 20 Ohms) Ground Leakage Current: 0.00~299 mA (¿¬+ 5% ¿¬+2 mA) resolution 1 MA Ground Leakage Current: 100~299 mA (¿¬+ 5% ¿¬+5 mA) resolution 1 mA Ground Leakage Current: 0.30~2.99 A (¿¬+ 5% ¿¬+0.03 mA) resolution 10 mA Ground Leakage Current: 0.30~2.99 A (¿¬+ 5% ¿¬+0.03 mA) resolution 10 mA Ground Leakage Current: 10.00~20.00 A (¿¬+ 5% ¿¬+0.5 mA) resolution 10 mA.
