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ลิ้งก์ภาพ
6305AIN : เครื่องทดสอบฉนวน (5KV), 500V-5000V, 10T Ohm, PI, DAR, มีหน่วยความจำภายในเครื่อง
ข้อมูลสินค้า
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รหัสสินค้า
6305AIN
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เข้าชม
1,956 ครั้ง
ยี่ห้อ
SEW
รุ่น
6305AIN
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แก้ไขล่าสุดเมื่อ
22/04/2019 11:03
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รายละเอียดสินค้า
6305AIN : เครื่องทดสอบฉนวน (5KV), 500V-5000V, 10T Ohm, PI, DAR, มีหน่วยความจำภายในเครื่อง
DIGITAL 5kV HIGH VOLTAGE INSULATION TESTER ▪ 2 Lines × 16 Characters LCD ▪ Microprocessor-controlled ▪ Tests insulation resistance up to 10 TΩ ▪ 4 Insulation test voltages: 500V, 1000V, 2500V, 5000V ▪ AC / DC Voltmeter (30~600V) ▪ Short-circuit current up to 5mA ▪ PI (Polarization Index) indication ▪ DAR (Dielectric Absorption Ratio) indication ▪ Auto-ranging on all insulation ranges ▪ Optical USB to RS-232 data transmission ▪ Well isolated from contact ▪ Well protected from surges ▪ 2 built-in optical LEDs for data transfer ▪ Visual and audio warning of external voltage presence (≥30Vac or ≥30Vdc) ▪ Auto-hold function to freeze reading ▪ Overload protection ▪ Adjustable testing duration: 1~30 minutes ▪ Internal memory for data storage ▪ Displays testing duration for insulation measurement ▪ Auto-off function ▪ 200 measurement results can be saved in memory and recalled on display SPECIAL FUNCTIONS Voltmeter Conventional insulation testers are highly susceptible to damage when testing insulation resistance while voltage is present on the measured object (whether ACV or DCV). To safely prevent damage, this new line of testers has the unique ability to sense voltage on a measured object. If any voltage is sensed, the tester will automatically switch to voltage detection mode and display the voltage finding on the LCD screen. This allows the user to prevent damage caused by attempting to measure insulation resistance while voltage is present. DAR = Dielectric Absorption Ratio The Dielectric Absorption Ratio is the ratio of the insulation resistance measured at 1 minute divided by the insulation resistance measured at 30 seconds. Thirty seconds after starting a test, the tester will beep, indicating that the resistance value measured at 30 seconds has been saved. One minute after starting a test, the tester will beep again, indicating that the DAR result has been computed. The display format then changes to display the DAR result. DAR : 1-min insulation resistance 30-sec insulation resistance PI = Polarization Index The Polarization Index is the ratio of the insulation resistance measured at 10 minutes divided by the insulation resistance measured at 1 minute. One minute after starting a test, the resistance value is saved and the DAR is displayed. The test then continues, and after 10 minutes, the tester will beep again, indicating that the PI result has been computed. The display format changes to display the PI result. PI : 10-min insulation resistance 1-min insulation resistance Tests on lower insulation resistance takelonger, which tends to deteriorate the test specimen. Thus, higher DAR or PI readings (closer to 1) would indicate a better grade of insulation. SPECIFICATIONS
Tags : เครื่องวัดฉนวน , SEW , 6305AIN , เครื่องทดสอบฉนวน , Digital Insulation tester , เครื่องมือวัด , เครื่องเทสฉนวน , Insulation tester