Transmission Line Test System is a new generation power transmission line frequency parameter testing system. It equips with frequency conversion testing power DFT Digital Filtering Technique which eliminates strong interference from power frequency electric field and ensures the safety of equipment convenient fast and accurate measurement.
1. Quickly and accurately test the positive sequence capacitance the positive sequence impedance zero sequence capacitance zero sequence impedance also can measure the mutual inductance and coupling capacitance between lines ;
2. High Anti-interference ability accurate and reliable measurement;
3. Easy operation equipped with large LCD and American rotating mouse and micro printer
4. Simple wiring only connecting with tested down leads to finish all line parameter measurement
5. High speed micro-controller as inner core integrated structure
6. Fast testing process one sequence parameter testing time is 1 min
7. Supplied with three groups different frequency power supply for selection: 42.5Hz/57.5Hz 45Hz/55Hz 47.5Hz/52.5Hz easily isolate the power frequency and noise wave to ensure high precision measurement of small signals.
Transmission Line Test System is a new generation power transmission line frequency parameter testing system. It equips with frequency conversion testing power DFT Digital Filtering Technique which eliminates strong interference from power frequency electric field and ensures the safety of equipment convenient fast and accurate measurement. 1. Quickly and accurately test the positive sequence capacitance the positive sequence impedance zero sequence capacitance zero sequence impedance also can measure the mutual inductance and coupling capacitance between lines ; 2. High Anti-interference ability accurate and reliable measurement; 3. Easy operation equipped with large LCD and American rotating mouse and micro printer 4. Simple wiring only connecting with tested down leads to finish all line parameter measurement 5. High speed micro-controller as inner core integrated structure 6. Fast testing process one sequence parameter testing time is 1 min 7. Supplied with three groups different frequency power supply for selection: 42.5Hz/57.5Hz 45Hz/55Hz 47.5Hz/52.5Hz easily isolate the power frequency and noise wave to ensure high precision measurement of small signals.
Product description Transmission Line Parameter Test System is of an integrated structure, with a built-in variable frequency power supply module and a variable frequency voltage regulating output power supply. The frequency can be changed to 45Hz and 55Hz. Digital filtering technology is adopted to avoid the interference of power frequency electric field to the test and fundamentally solve the difficult problem of accurate measurement under strong electric field interference. At the same time, it is applicable to the occasions where the generator is used for power supply detection after all power outages. Technical index 1 Utilization Conditions -20 50 RH 80% 2 Anti-interference Principle Frequency variation method 3 Power Supply AC220V±10% Generator 3KW 4 Power Output Max.output voltage AC300V Voltage accuracy 0.5% Current accuracy 0.5% Max.output current 8A Output frequency 45Hzã??55Hz Interference Current 30A Resistance to Induced Voltage 10KV Memory Size 200 groups Support U Disk Data Storage Weight 67 Kg
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Services: Our company's products, technical support, training, installation and commissioning
Commodity: Sodium Bisulfite Molecular Formula: NaHSO3 Molecular Weight: 104.06 Properties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide. Quality Standard: HG/T3492-80 Technical Indicator High-purity grade Acrylic grade Food grade Refined grade Industrial grade 1 NaHSO3 % 99.5 Insol. in water % 0.003, 0.005, 0.03, 0.04, 0.05 Chloride(Cl) % 0.003, 0.004 Iron(Fe) % 0.001 0.002 0.005 Heavy metal(Pb) 0.001 Arsenic(As) % 0.0001 Clarity test Qualified Use: It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants. Packing: In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc. Net wt.: 25/50/1000 kgs/bag or upon clients' request.
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