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Harga Jual Hioki 3455 High Voltage Insulation HiTester

Ditambahkan pada: 28 February 2015 / Kategori:
Kode : 3455
Stok : Ready Stock
Dilihat : 674 kali
Review : Belum ada review
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Deskripsi Harga Jual Hioki 3455 High Voltage Insulation HiTester

Hioki 3455 High Voltage Insulation HiTester

Hioki 3455-01 digital megohmmeter is an auto-ranging high-voltage insulation tester with five preset test voltages—250V, 500V, 1kV, 2.5kV, and 5kV—as well as adjustable test voltages for measuring insulation resistance to 5TΩ to indicate the condition of windings or cables in motors, switchgears, electrical installations, and other insulated equipment, and it also measures leakage current to 1.20 milliamperes (mA), AC voltage to 750V, and DC voltage to 1kV, lighting a warning indicator when voltage greater than 50V is detected. In addition to the preset test voltages, test voltage can be adjusted in 25V increments up to 1kV and 100V increments above 1kV. For a truer indication of insulation condition than a single-point measurement, the meter can automatically calculate PI (polarization index) and DAR (dielectric absorption rate), which are measurements over time, and can perform a step voltage test that monitors the response of the circuit under test to the gradual increase of test voltage. The meter can also perform timed tests from 30 seconds to 30 minutes, and can store up to 100 test results. Stored results can be uploaded to a PC via the meter’s USB interface and the included data analysis software, which is compatible with Microsoft Windows XP, Vista, and 7 operating systems. To determine the response of the circuit under test to varying environmental conditions, temperature and humidity values can be adjusted from actual testing conditions. When measurement is complete, the most recent reading is held on the display and residual voltage is automatically discharged from the circuit under test. For improved accuracy during high-resistance testing, the guard terminal eliminates interference from leakage current. Built into a hard carrying case, the meter has a 999-count LCD with a backlight for visibility in low light that automatically turns off after 30 seconds. The LCD shows the reading numerically and in a bar graph. Megohmmeters are commonly used for electrical maintenance and testing in industries such as HVAC, transportation, manufacturing, mining, and utilities, among others.

This auto-ranging meter automatically selects the appropriate operating range for measurements. It is rated for category (CAT) IV installations to 600V, which covers equipment at the origin of the installation, such as electricity meters and primary over-current protection equipment, and CAT III installations to 1,000V, which covers equipment in fixed installations, such as switches in the fixed installation and some industrial equipment that is permanently connected to the fixed installation. The unit automatically turns off after 10 minutes of non-use to conserve battery life and has a low-battery indicator that signals when the batteries need to be replaced. It comes with a set of test leads, a set of alligator clips, six AA batteries, a USB cable, a CD-R with data analysis software, and instructions. When used with the Hioki 9631-01 or 9631-05 temperature sensors (sold separately), the meter can measure temperature form 10 to 70 degrees C.

Product Features

  • High-voltage digital megohmmeter has preset and adjustable test voltages for measuring insulation resistance to 5 teraohms, and also measures leakage current to 1.20 milliamperes (mA)
  • Measures AC voltage to 750V and DC voltage to 1kV, lighting a warning indicator when voltage greater than 50V is detected
  • Automatically calculates PI and DAR and has a step voltage test for a detailed indication of insulation condition
  • Performs timed tests up to 30 minutes, and stores up to 100 test results which can be downloaded to a PC
  • Meets EN safety standard 61010 and is rated for CAT IV installations to 600V and CAT III installations to 1,000V

Spesifikasi – Hioki 3455 High Voltage Insulation HiTester

Maximum insulation resistance measured 5TΩ
Test voltages 250V, 500V, 1kV, 2.5kV, 5kV
Maximum leakage current measured 1.20mA
Maximum AC voltage measured 750V
Maximum DC voltage measured 1kV
Installation rating CAT IV, 600V; CAT III, 1,000V
Standards met EN safety standard 61010; CE marking
Power (6) AA batteries
Weight 2.8kg
Dimensions (H x W x D)* 119.5 x 260 x 250.6mm

 

*H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back

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Megohmmeters, also called insulation testers, are electrical test meters that measure resistance to the flow of current in an electrical component or circuit and check the continuity of an electrical circuit to detect electrical problems such as degraded insulation and improper circuit connections in equipment, wiring, and power supplies. Resistance is an indicator of the overall condition of the device being tested. Megohmmeters have an internal power supply, such as a battery or a capacitor, which supplies a test voltage to a circuit or component that is turned off. Test leads are connected in a series to the tester and the circuit or device being tested. The meter calculates the difference in voltage between the leads and measures the resistance. Most megohmmeters have two terminals for test lead attachment. The two-terminal, or two-wire, measurement method includes the resistance of the circuit or device being tested and the resistance of the test leads, and generally provides sufficient accuracy for measuring large values of resistance in insulation testing applications.

 

Paket Penjualan:

  • Hioki 3455-01 digital megohmmeter
  • Set of test leads
  • Set of alligator clips
  • (6) 1.5V AA batteries
  • USB cable
  • CD-R with data analysis software
  • Instructions

Hioki 3455 High Voltage Insulation HiTester

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