$199.0 Buy It Now or Best Offer
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(1560) 99.5%,
Location: 深圳
Ships to: US,
Item: 185504615683
Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:60 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Unbranded:Unbranded
Type:JL294-3
MPN:JL294-3
Marque:NONE
Modèle:NONE
New Transistor DC Parameter Test Table JL294-3 Transistor Tester Withstand Voltage Features:The instrument can test various DC parameters such as forward and reverse voltage, forward saturation voltage drop, magnification, reverse leakage current of various crystal diodes, triodes, thyristors and FETs; electrolytic capacitors, polyester capacitors, The withstand voltage of tantalum capacitors, monolithic capacitors, and high-voltage ceramics; The protection voltage value of varistor; the starting voltage value of neon bulb and neon tube; the insulation performance of electrical products; the voltage stabilization value of 78 and 79 series three-terminal voltage stabilizer circuits. The instrument is portable design, small in size, light in weight, multi-range, strong in function, and uses non-locking keys for operation. It is convenient and reliable to use and has strong practicability. It is suitable for experimenters, debugging personnel, maintenance personnel, purchasers, etc. Salespeople and radio amateurs. It is also suitable for manufacturers of electronic and electrical products as a batch testing of various electronic components. General technical indicators:Working power: DC 6V ± 5% (single power supply)Power consumption: ≤3ADisplay mode: 0.5″ LCD liquid crystal displayDimensions: 162 × 115 × 80 (mm)Machine mass: ≈ 500g (without battery in the machine)Functional technical indicators:VBR measurement range: 0～199.9V/0～1999VResolution: 0.1V/1VVCE(set) measurement range: 0～6.00VResolution: 0.01VhFE measurement range: 0～199.9β～1999βResolution: 0.1β/1βIceo measurement range: 0～1999uAResolution: 1uAThree-terminal voltage regulator measurement range: 0～24.0VResolution: 0.1VBasic error: ±2.5% range (ambient humidity≤75%RH) Precautions for use:1. When testing the reverse breakdown voltage of the transistor, the contact between the tube under test and the test socket must be good, and then press the test button! If the contact is poor, it is very likely that the tube under test will be damaged in the case of high voltage testing! 2. When testing capacitors, do not insert the capacitor into the jack of the triode socket to test the withstand voltage of the capacitor, and do not first loosen the switch and then unplug the capacitor, because this may cause the charge on the capacitor to be discharged inside the instrument, which will cause the switch to leak. Damaged contacts! It is recommended that users who specialize in measuring the withstand voltage of capacitors choose the JL294-3B voltage-adjustable instrument to test the withstand voltage of capacitors. 3. Before testing components in large quantities, please read the instruction manual carefully, take the correct operation method, and conduct a small batch of test tests first, and carry out large batches under the condition that the test method used will not damage the components. test! 4. The normal working life of each gear switch of the instrument is about 30,000 to 40,000 times; but under the load of 2000V high voltage or 2A high current, the working life will be reduced to about 20,000 times. If the production factory is used as a component in large quantities For continuous test use, please inform the company in advance to make changes, otherwise the switch will be damaged in a short period of time; if it is a large-scale continuous test and the failure of the damaged switch does not belong to the scope of free maintenance! 5. Any metal and plastic will be worn due to friction, and the component test socket of the instrument will also be worn due to the frequent plugging and unplugging of the pins of the component under test, which will affect the reliable connection between the test socket and the pins of the tested pin, which may lead to If the test value is inaccurate or high-voltage flashover occurs, the user should regularly check or replace the component test socket Tip One host, one manual, one foam box, one test pen for transistors, one power supply for transistors Packing: 1pcsWarranty period: 120 day On Jul 17, 2022 at 23:27:30 PDT, seller added the following information:
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