$260.49 Buy It Now or Best Offer
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Seller Store mainminzz
(900) 100.0%,
Location: China
Ships to: US,
Item: 404821855557
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:60 Days
Refund will be given as:Money back or replacement (buyer’s choice)
TDM-1911:TDM-1911
MPN:Does Not Apply
Unbranded:Unbranded
Voltage:110V/220V
TDM-1911 Automatic Distortion Meter 0.01% – 30% Audio Distortion Meter 110/220V Description: TMD-1911 series automatic distortion tester to measure 400Hz or 1000Hz signal is small to 0.01% of distortion, while 20Hz AC signal relative to the level of 100KHz was measured as a measure of distortion, can be performed, such as radios, modulation check tape recorders and other audio products, the level of distortion and simultaneously two meter display, the distortion measure fundamental frequency suppression circuit having a wide range of the filter, measurements. Feature: 1. Level and distortion together display with two ports accurately. 2. Lightweight, easy operation. 3. With wide range filter, can test accurately even impurities in signal. Specification: Model Name: TDM-1911 Distortion Meter Voltage: 220V/110V±10% 50/60Hz Distortion measurement: 1. The input level: 10 m V to 100 VRMS 2. The measurement frequency :400 Hz and 1 KHZ frequency of two points 3. The measuring range :0.1 to 30% of six kinds of full scale 4. The harmonic accuracy :+ / – 0.5 dB (f0 2 to 10 kz) 5. The residual distortion : greater than or equal to 70 db (distortion than less than or equal to 10 db, input level greater than or equal to 30 mv) 6. The fundamental frequency suppression is greater than or equal to 60 db (f0 + / – 5%) 7. Full scale accuracy :+ / – 3% (20 db) 8. Automatic frequency selection :can measure the rotation frequency of the nominal distortion degree of plus or minus 5% Level measurement: 1. The measuring range: 100 mv, a total of seven to 100 v range 2. The frequency response (1 KHZ) + / – 0.5 dB or less (from 20 hz to 50 KHZ) 1 mm or less db (from 20 hz to 100 KHZ) 3.Accuracy: + / – 3% or less full scale (1 KHZ) 4. Input impedance: 100 k Ω 5. The AC output voltage: about 1 VRMS (the level range) 6. Enter 100 largest VRMS (DC + AC) 7. The power supply requirements: 110 v / 220 v, 50/60 hz, 12 va 8. The contour size: 283 (L) * 155 (H) * 264 (D) mm3 9. Weight: about 5 kg 10. Attachment User manual *1 0.2 A tube*2 The power line*1 BNC cable * 1 The matters needing attention before use： 1. The maximum allowable at the input AC input voltage of 200 v.Beyond this range attenuation board may be damaged. 2. The use of TDM – 191 distortion meter in 5-350 – c temperature range, avoid using instruments in this temperature range. 3. Before use distortion meter for measuring, please make sure that the distortion meter pointer is set on the dial “0”.If the pointer is not zero, but by adjusting the knob of the front panel Summary： TDM – 1911 can be used to measure the distortion degree of audio products and the level parameters.Measured 400 hz & 1 KHZ frequency of two point signal distortion degree of 0.1% to 30% six kinds of full scale.Through three light input level under calibration Settings can know distortion measurement working condition. With a wide range of filter can be measured, including shake sway and flutter signal distortion measurement.Can automatically distinguish between 400 hz and 1 KHZ frequency point and two, respectively, with green and yellow light instructions, said red indicator measuring the frequency of the signal does not fall within the scope of measurement. In the distortion degree of the input signal level measurement, the distortion measurement can eliminate the need to adjust the level meter deviation. When measuring the simply select correct range on the front panel, and then press the button, automatically measuring instrument. Panel display: Level meter: in “Volt” and “dBm” shows that the reading of the input signal level 2. Filter: yellow indicator according to input signal frequency is 400 hz, green light input signal frequency of 1 KHZ, said red lights input signal frequency measurement range 3. The distortion degree of tables: in “%” and “dB” display input signal distortion degree of the readings 4. Level: set the knob before measuring adjustment knob to zero level pointer 5. Distortion setting knob: before measuring distortion degree adjustment knob that pointer to zero 6. Level range knob: through correctly in the seven key choice range of level measurement range 7. Input terminals: measuring signal input terminal 8. Distortion range knob: through six key choice range of distortion degree of the correct measuring range 9. The power switch The fuse holder: insert the appropriate insurance tube to avoid choosing a wrong input voltage burning equipment 11. Ac socket 12. The range of terminal: monitor output terminal.When the input frequency is 400 hz or 1 KHZ, basic frequency are filtered out, the frequency of the signal in other to enter the terminal.Output level affect the level meter (1) of the readings.When the distortion degree level meter with tables are full scale, can produce the output level of about 1 VRMS.Distortion degree if the table is full scale range and level meter is lower than the full scale range, output level is less than 1 v. 13. The voltage selector: mainly supply operation to choose the appropriate input voltage. Distortion measurement: 1, ensure that the input signal level in the range of the instrument allowed range Two or three filter light distortion measurement condition.Yellow lights said measuring frequency is 400 hz, green lights said measuring the frequency of 1 KHZ, red lights the measured signal frequency unpredictable. 3, this instrument is automatic measurement only input frequency is 400 hz distortion degree of plus or minus 5% or 1 KHZ plus or minus 5%.If the input signal is not accurate 400 hz or 1 KHZ, for example in 400 hz or 1 KHZ range of plus or minus 5%, its fundamental frequency rejection ratio will be between 0.05% and 0.03% (66 db and 70 db) can be observed through the figure 3 base frequency suppression ratio curve.So the frequency of the input signal is the closer it gets to the fixed frequency filter, get the more accurate readings. 4, this automatic distortion meter don’t need to do any choice can be automatically measured 400 hz or distortion degree of 1 KHZ. 5, and start measuring (before the measurement, please make sure that the pointer to the header (1) and (3) to zero, or set up (4) and (5) adjust pointer to zero) will instrument electricity, to ensure that the voltage selector in the right gear (110 v or 220 v, press the power switch pet-name ruby, “No Go” aligned with the said instrument is available. Press the 6 key as input signals to choose the appropriate range.30% at the end press keys, through all landowners to distortion meter input signal. If the input signal is 400 hz, the yellow indicator, if the input signal is 1 KHZ, the green light is lit. Red indicator according to the input signal is too high or too low, range outside the scope of the level meter.Outside the outer filter or frequency.As shown in figure 5 level Pointers, to measure the distortion degree. When the yellow or green light, measurement results through the header (3) can be read.Of course, choosing the appropriate range measurement can get more accurate results. Fifth, level measurement: 1. Choose an appropriate input level range 2. Input signal at 7, if the input signal frequency range within 10 hz – 100 KHZ, header (1) to measure the level of value is displayed “VOLTS or dB” Notice: Because,the international air shipping forbid to ship liquid,powder and batteries, If you purchased goods containing such items, we will not be putting them packing. Thank you for your support. Payment must be made within 12 days after the auction/bid ends, or eBay will open Unpaid Item case automatically later. Please read this before buying International Shipping may Be Delayed Due to Customs. Customers are Responsible For All Import Charges, Tariffs, Duties, Taxes, and Fees Associated with Import of the product. Shipping Charges does not include any Import Charges, Tariffs, Duties, Taxes, and Fees Associated with it. We are not responsible for undeliverable address. We reserve the right to charge the shipping fee again for returned items due to wrong address. Items are generally shipped within 10 business day after your payment has been cleared (Sat. & Sun. excluded.) Dear friend, your happy is very important to me!.we stand behind every product we sell.Your bid is a contract – Place a bid only if you’re serious about buying the item. If you are the winning bidder, you will enter into a legally biding contract to purchase the item. If payment is not received within 7 days, item may be offered to the next highest bidder or relisted at the seller’s sole discretion.If you’re not pleased with your purchase, we’ll be happy to make an exchange or refund the product price less S&H within 7 days of your purchase. For any exchange or refund, we need the original receipt or a record of the purchase in our system, and the product must be in its original condition, including the box, packaging, and all accessories.Shipping and handling charges are not refundable. We are professional EBAY sales team and lots of ebay buyers very satisfied with our services.You can enjoy top-quality product and high-quality services from us, Trust me that you will have a pleasant shopping experience in here. Please contact us with any comments, questions or suggestions that you may have bysending ebay message, All the mail will be replied within 24 hours. Please ensure your mail box would not blocked / filtered our mails.we will be happy to assist you.please feel free to contact us for WHOLESALES deal,we will surely give you a satisfatory price.We would try our best to serve you with any question / problem. Please contact us first before leaving Negative / Neutral Feedback or open any cases.We work 6 Days a week From 9:00am – 6:00pm Monday – Saturday CHINA Time.
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