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1310/1550nm Mini OTDR 24dB/22dB Built in OPM/OLS / RJ45 Test/VFL FTTH test tools

1310/1550nm Mini OTDR 24dB/22dB Built in OPM/OLS / RJ45 Test/VFL FTTH test toolsMini multi-fuction OTDR has compact structure and stable performance.This OTDR test wavelength are 1310/1550nm,dynamic Range are 24dB/22dB. Measurement distance is 5m~60km.Suit for the G.652 optical fiber.It built-in OPM ( 8 standdard wavelengths 850/980/1300/1310/1490/ 1550/1625/ 1650nm);Built OLS 1310/1550nm;Built-in VFL 10Mw;Built-in RJ45 test .This Mini OTDR have most functions and most cost-effective on current market. The application are mainly: maintenance and test of telecommunication line,cable manufacturer,test of FTTX. Technical Specifications:Mini-Pro OTDRWavelength: 1310nm/1550nm±20nmFiber Type: G.652Dynamic Range: 24dB/22dBEvent Blind Zone: 3mATT Blind Zone: 8mTest Range: 5m~60kmPulse Width: 3ns~10usRanging accuracy: ±(1m+ Sampling interval +0.005％×Test distance)Loss accuracy: ±0.05dB/dBSampling Points: 16k~128kSampling resolution: 0.05m~8mReflection accuracy: ±3dBData Storage: Internal：≥600；External：TF CardLaser Safety Level: Class ⅡFile format: SOR Standard file formatConnector: FC/UPC（Interchangeable SC、ST）OPMWave Range: 800nm~1700nmInterface Type: Universal Joint FC/SC/STTest Range: -50dBm～+26dBmUncertainty: ±5%Frequency Identification: CW/270/330/1k/2kHzCalibration wavelength: 850/980/1300/1310/1490/1550/1625/1650nmOLSLD Type:FP-LDWavelength:1310nm/1550nm±20nmOutput Power: ≥-5dBmModulation Frequency: 270/330/1k/2kHzStability: CW，±0.5dB/15min (Test after 15 minutes of preheating)Connector: FC/UPC（Interchangeable SC、ST）VFLWavelength: 650nm±20nmOutput Power: ≥10mWMode: CW/1Hz/2HzConnector: FC/SC/STRJ45 Cable Length MeasurementTest Range: 300mOther ParametersDisplay: 3.5 inch Color LCDData Interface: Micro USBExternal storage: TF CardPower SupplyPolymer Li-Battery：3.7V，4000mAh Adapter：5VDC，2ABattery Life: Standby＞20h；Measuring time＞12hOperating Temperature:-10℃～+50℃Storage Temperature: -40℃～+70℃Relative Humidity: 0～95％Non CondensingSize:173mm×82mm×37mm Packing including: OTDR host AC/DC power adapter Date lineU diskSC adapterUser’s manualCertificate/warranty cardCalibration certificationAlcohol cotton chipsInstrument bag Delivery detailsPaymentReturn PolicyAbout usContact usDelivery detailsOur shipping rates include the cost of shipping, handling, packaging and related manpower costs.The buyer is responsible for all duty and local tax.We are not responsible for undeliverable address. We reserve the right to charge the shipping fee again for returned items due to wrong address supplied by buyer. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy.Items are generally shipped out within 1-2 business days after your payment has been verified (Sat. & Sun. excluded.)Orders from the United States will all be shipped by USPS. The shipment usually takes 7-15 business to most U.S. addresses . (We do provide customers tracking number)Orders from other country’s buyer will be shipped by air mail . The shipment usually takes 10-35 business to most addresses.The air mail is cheapest post way, so it take a long time. If you don’t want to wait so long time, you can choose the Express mail or don’t buy it. ( Express mail of EMS or DHL, it takes approximately 4-12 workdays. Please pay for the express mail fee. But Russian Federation will whit SPSR : 6-12 business days . )UPS, Fedex are not recommended , which is expensive, please contact us .If you don’t received the item after 35 buiness days ,We will give you a full refund. Please don’t leave negtive & neutral feedback. We think you are kindly.(Simply leaving -ve feedback can’t solve any problem). Because there are many factors in international traffic that we can not control.PaymentWe accept PayPal only.If you are paying through Paypal using eCheck, note that your item can be shipped only after eCheck has cleared.We only ship the item to your Paypal address for fast and accurate shipment. If you want to change the address, please add a note when you make the payment.Return Policy Our shipping rates include the cost of shipping, handling, packaging and related manpower costs.We are not responsible for undeliverable address.We reserve the right to charge the shipping fee again for returned items due to wrong address supplied by buyer. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy.Items are generally shipped out within 1-2 business days after your payment has been verified (Sat. & Sun. excluded.)About usWe are constantly improving and enhancing our services.We are a professional international supplier, located in Shenzhen, China.We hope you can give us suggestions, your satisfaction is our goal .Contact us If have any questions, pls contact us using ebay message.we are very glad to help you, we will reply you within 1-2 business days. (not include Public holiday).Please contact us before leave any negtive & neutral feedback. We think you are kindly.(Simply leaving -ve feedback can’t solve any problem.)Work days: Monday to Friday.The buyers are our gods. So your satisfaction is our service purpose. We will do our best to solve all questions. Thank you and wish you happy shopping.

English/Spanish Handy Transformer Ratio Tester 3 Phase Turns Ratio Group Meter

Product Overview：This new JH2711 Handheld Transformer Tatio Tester TTR Metet has a host that is easy to measure at high altitudes, more convenient to use, and has more stable functions. The host comes with a printer that can print data at any time.For the power system, transformers are the core equipment in the system, so the long-term and reliable operation of transformers will be related to the stability and reliability of the entire system. Before the newly installed transformer is put into operation and in accordance with the preventive testing regulations of State Grid, it is required to conduct regular turns ratio or voltage ratio tests on the operating transformer. The traditional variable ratio bridge operation is cumbersome, the reading is not intuitive, and necessary conversions need to be made. The test result is only the value of one phase change ratio. This transformer ratio tester overcomes the shortcomings of traditional ratio bridge testing. The screen adopts a large high-resolution LCD display screen, which is convenient for on-site use. It has a Chinese menu prompt function, easy and intuitive operation, and can complete three-phase ratio testing in one go. The testing speed is fast and the accuracy is high. Product Features: ​ 1. The three-phase CNC sine inverter power supply output has soft start and soft stop functions, so the testing speed is fast and the accuracy is high.2. Three phase transformer, single-phase transformer, PT, CT, Z-type transformer ratio, group, polarity testing function.3. CT ratio polarity testing function.4. It has angle difference testing function during single-phase testing.5. The tap changer can be tested up to 99 gears.6. Wide testing range, up to 10000.7. High and low voltage reverse connection reminder.8. Output short circuit reminder.9. Non power-off clock and date display; The data storage method is local storage, with 100 test data pieces. The stored data can be transferred to a computer (PC);10.Thermal printer printing function.11. Small size, light weight, convenient for carrying and use.12.Handheld Host to be more easy to carry and the printer is in the host, could print data any more convenient . Technical parameters: ​ ​Range0.8～10000Accuracy± (reading × 0.1%+2 words) (less than or equal to 1000)± (reading × 0.2%+2 words) (greater than 1000 but less than or equal to 3000)± (reading × 0.3%+2 words) (greater than 3000)Resolution Ratio0.9～9.9999（0.0001）10～99.999（0.001）100～999.99（0.01）1000～9999.9（0.1）10000（1）Workingpower supplyAC100-240V, 50/60Hz (battery charging voltage)Host weight1.8KgVolume280mm(L)×180mm(W)×80mm(H)Operating temperature-10℃～50℃Relative Humidity<90%, no condensation

LCR Meter LCR Component Tester LCR Tester 2.4″ TFT Color Screen Chinese English

Description LCR Meter LCR Component Tester LCR Tester 2.4″ TFT Color Screen Chinese English Description: The NJ series impedance tester adopts a high-performance processor and ultra-low power consumption design. It is a portable product mainly used to measure parameter performance of three basic components (resistance R, capacitance C, and inductance L). The product has a built-in large-capacity lithium-ion battery. It is small in size, light in weight, and easy to carry. It is more convenient to use for outdoor and high-altitude special operations. Display screen interface and buttons are clear and simple, at a glance, Chinese and English can be set by yourselves, easy to use and simple to operate. It is designed with online test function. Main Features: 1. Test frequency range is wide. 2. Small size, light weight, easy to carry. Appearance size: 130*108*31 (mm); net weight: 315g. 3. Built-in battery, using 2000mAH polymer lithium battery, continuous working time exceeds 8 hours. 4. High resolution, and measurement result is in 6-digit. 5. With calibration function, accurate measurement. 6. With online test function, cost-effective. 7. Serial/parallel mode, level and internal resistance are optional. 8. Strong anti-power frequency interference, and the interference level prompts. 9. Automatic gear shift, no manual pre-preparation is required. 10. Test level can be set arbitrarily. Specifications: – Product model: NJ100S (fixed frequency) – Power frequency: 50Hz. Frequency points: 15. Frequency point value: 50, 100, 600, 1000, 6000, 10000, 20000, 30000, 40000, 50000, 60000, 75000, 80000, 93750, 100000. – Power frequency: 60Hz. Frequency points: 13. Frequency point value: 60, 120, 600, 1200, 6000, 12000, 24000, 30000, 38400, 48000, 60000, 75000, 96000. – Measuring ranges: * Resistance: 0.2mΩ~500MΩ * Capacitance: 5fF~150mF * Inductance: 0.5nH~100kH – Product model: NJ101S- Working frequency: 50Hz~100KHz- Stepping: 50Hz~1KHz- Measuring ranges:* Resistance: 0.1mΩ~2000MΩ* Capacitance: 0.003pF~200mF* Inductance: 0.5nH~300kH – Product model: NJ200S- Working frequency: 50Hz~200KHz- Stepping: 10Hz~5KHz- Measuring ranges:* Resistance: 0.1mΩ~2000MΩ* Capacitance: 0.003pF~200mF* Inductance: 0.5nH~300kH – Product model: NJ300S- Working frequency: 50Hz~300KHz- Stepping: 10Hz~10KHz- Measuring ranges:* Resistance: 0.1mΩ~2000MΩ* Capacitance: 0.003pF~200mF* Inductance: 0.5nH~300kH – Display: 2.4″ TFT, resolution 320×240 (QVGA) – Battery capacity: 2000mAH (7.4Wh) – Power consumption: <1W – Charging current: 400mA – Charging port: USB (only as a charging port) – Automatic shutdown: always on, immediately off, 5 minutes ~ 60 minutes (optional) – Measurement parameters: Rs/Xs/Rp/Xp/Cs/Cp/Ls/Lp; |Z|/D/Q/θ/Vrms/Irms – DC bias: None – Display resolution: 6 digits effective value – Measuring speed: online (NJ100S does not have this function), fast, medium, slow – Measurement accuracy: <0.5‰ (within impedance 100mΩ~200MΩ) – Accuracy: <1‰ – Display range: * |Z|, R, X: 0.00001mΩ~9999999MΩ * C: 0.00001pF~9999999F * L: 0.00001nH~9999999H * D, Q: 0.001~99999 * θ (Degrees): -179.9 to 179.9 * Vrms: 0.0001mV~999999mV * Irms: 0.0001nA~999999mA – Level (mVrms): arbitrarily set (1~1000, step 1) -Output impedance: 30Ω, 100Ω (optional) – Model: automatic, series, parallel (optional) – DUT: Automatic, resistance, inductance, capacitance, electrolysis (optional) – Calibration function: open circuit, short circuit (with factory value), load calibration – Appearance size: 130*108*31(mm) – Net weight: 315g – Working temperature: 5℃~40℃ – Atmospheric pressure: 860hPa~1060hPa Functions Overview: – This product has three basic interfaces: measurement, calibration, and system interfaces. The "Measurement" and "Calibration" interfaces also have sub-interfaces. By default, it will enter the main measurement interface when it turns on. – It can easily measure the impedance of about 1mΩ. For example, a wire of 1cm generally has about 6mΩ. – The impedance of 300MΩ can be easily measured, and the actual measurement is 20GΩ. See the pictures below for details. The LCR bridges on the market basically cannot measure such a large impedance. Package Included: – 1 x Set of LCR Meter Note: – Components and other items pictured are not included, for demonstration purposes only. Thank you for your understanding! Precautions: 1. In order to ensure the accuracy of measurement and calibration, please warm up the product for at least 5 minutes before measuring. Especially when doing calibration, it is best to warm up for more than 20 minutes. After warming up, calibration parameters can be more accurate. 2. When powered by a battery, the internal noise of the product is the smallest, so it is recommended to measure under battery power. Especially when doing the calibration operation, it is strongly recommended to do it under battery power supply. When a charger is connected, if the quality of your charger is not good, a certain amount of noise will be generated. 3. Do not connect to a computer's USB charging port for charging. The signal from the USB port will seriously interfere with the working state of the product and cause serious inaccuracy in product measurement. 4. Please try to use better quality fixtures. 5. Before measurement and calibration, please make sure that there is no strong interference signal around, so as not to cause inaccurate measurement results due to interference. 6. When the battery is low, please charge it in time to avoid long-term lack of power. 7. The interface is BNC. Since copper has relatively lower strength than other metals, please try to protect it carefully to avoid falling and bumping damage. 8. In the case of strong interference, unconventional operation, and abnormal software unknown bugs, a crash may occur (the power may be consumed after the crash, until the battery is exhausted). At this time, please directly press the "RESET" hole to reset the product to avoid damage to the battery. If the battery is exhausted and the battery is extremely short of power, the current will be large during charging, and the charger with a small power supply current will have short-circuit protection, but please continue to charge until the battery can be charged normally. 9. When the power is lower than 15%, it will not be able to turn on; when the power is very low, the system will automatically shut down. Please charge in time. 10. When measuring large capacitances (uF level), the "electrolysis" item is more accurate than the "capacitance" item. 11. The device under test cannot be charged, especially the energy storage device (such as electrolytic capacitor), it must be discharged before testing, otherwise it may It will damage the instrument. 12. When measuring milliohm-level devices, if more accurate is required, please perform short-circuit calibration again under the same conditions as the frequency to be measured. 13. When calibrating, try to stay away from the surrounding environment interference, preferably away from the mains, such as wires and sockets. When measuring, use the battery of the instrument to work, do not plug in the USB port for power supply. Payment Terms 1.We accept PayPal only. 2.All major credit cards are accepted through secure payment processor PayPal. 3.Payment must be received within 7 business days of auction closing. 4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.Shipping Terms – For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding.Return Terms 1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund. 2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA. 3. We reserve the right to refuse any returns for objective reasons.Custom Duties & Taxes 1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility. 2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping.Feedback 1. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. 2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap. On Oct-28-20 at 01:16:34 PDT, seller added the following information:

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