The zinc oxide lightning arrester DC characteristic tester launched by Yangzhou Topu Electric Technology Co., Ltd. is used to detect internal defects of poor electrical contact between MOA valves of gapless zinc oxide lightning arresters used in 10kV and below power systems. According to the provisions of 14.2 in the "Preventive Test Code for Power Equipment" DL/T596-1996, power plants and substations should conduct leakage current detection of metal oxide lightning arresters under DC 1mA voltage (U1mA) and 0.75 U1mA before and when necessary during the thunderstorm season every year.

Our company has made improvements to the instruments based on on-site measurement requirements, integrating DC high-voltage power supply, measurement and control system organically, reducing the size and weight of the instruments. The zinc oxide lightning arrester DC parameter tester is a commonly used equipment for on-site inspection by power systems and zinc oxide lightning arrester manufacturers.

Features

1. Internal power supply: It can use AC220V AC power or be powered by a built-in rechargeable battery.

2. Easy to use: The measurement data is displayed intuitively.

3. Accurate measurement: fully digitized processing, built-in mathematical model, high measurement accuracy, and good repeatability of test results.

4. Convenient to carry: Its height, volume, and weight are only 30% to 70% of similar products, making it easy to carry.

technical indicators

1. Measurement range: Voltage: 0-30kV

Current: 0-1000 μ A

2. Resolution: Current: 0.5 μ A

Voltage: 0.1kV

3. Built in power supply charging time: 2-3 hours

4. Built in power supply usage time: ≥ 4 hours

5. Environmental temperature: -10 ℃ to 50 ℃

6. Relative humidity: ≤ 85% at 25 ℃

7. Altitude:<1000m

8. Power supply voltage: AC 220V ± 10%

9. Power frequency: 50Hz ± 1Hz

Precautions

1. Before testing, please make sure to connect the test sample and then press the 'Test' button! If a test error message appears after pressing the test button, it indicates that there is a poor contact defect inside the MOA or that the external wiring is not secure. Check if there is a problem with the external wiring or replace the test sample before proceeding to the next test.

2. Before testing, please ensure that the internal battery is fully charged. If the undervoltage light is on, please charge it promptly. Prolonged undervoltage can seriously damage the rechargeable battery.

3. During the measurement process, if the high voltage indicator light is on, it indicates that there is high voltage output. Do not approach the high voltage line. After the detection is completed, the instrument will automatically discharge and the high voltage indicator light will turn off. Only then can the test wiring be removed or the test sample be replaced for the next test.

4. This product must be packed during transportation. Cartons or wooden cases can be used as packing cases, and foam shockproof layer should be padded in the packing cases. Packaged products should be able to be transported by road or railway. During transportation, it is not allowed to be placed in an open cargo box. The warehouse should pay attention to rain, dust, and mechanical damage prevention.

5. When the instrument is not in use, it should be stored indoors at an ambient temperature of -20 ℃ to 60 ℃, with a relative humidity not exceeding 85%, ventilated, and free of corrosive gases. Storage should not be placed close to the ground or walls.

6. In humid areas or seasons, if this instrument is not used for a long time, it is required to be powered on once a month (about two hours) to dissipate moisture and protect the components.

Top Electric's main equipment:

Complete set of equipment for frequency conversion series resonance test, DC high voltage generator, SF6 gas micro water meter, SF6 gas leak detector, SF6 gas purity tester, SF6 gas comprehensive tester SF6 density relay calibrator, test transformer (power frequency withstand voltage test device), frequency conversion anti-interference high voltage dielectric loss tester, triple frequency generator (induction withstand voltage test device), double frequency generator set, AC/DC voltage divider (high voltage measuring instrument), high current generator (current converter), transformer DC resistance tester, transformer ratio tester, transformer capacity characteristic tester, transformer no-load short circuit tester, transformer on load tap changer tester, transformer winding deformation tester, transformer characteristic comprehensive testing platform, transformer core grounding current tester, microcomputer relay protection tester (three-phase relay protection tester, six phase relay protection tester), transformer characteristic comprehensive tester (transformer volt ampere characteristic tester), high voltage switch comprehensive tester Mechanical characteristic tester (circuit breaker characteristic tester) Circuit resistance tester (contact resistance tester), zinc oxide lightning arrester tester, transmission line parameter tester, capacitance and inductance tester, grounding resistance tester, insulation resistance tester (megohmmeter), insulation oil dielectric strength tester (insulation oil withstand voltage tester), insulation oil chromatograph, insulation boot (glove) withstand voltage test device, power safety tool testing equipment, battery constant current discharge tester, mining cable fault tester, mining power detection equipment, oil analysis instrument, railway system power testing instrument, intelligent solar photovoltaic junction box tester, vacuum oil filter, electric heating appliance, insulation products, etc.

Information organization: Yangzhou Topu Electric Technology Co., Ltd