hvorfordetda
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hvorfordetda 01/06/2021
Appears to be OK. DC resistance close to 50 ohm.
5 قطع Y1078 50Ω BNC ذكر إلى أنثى موصل اختبار تردد عالٍ سوكيت أوسيلوسكوبي بيروب
US$18.69 US$20.99
0
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MUSTOOL MT336600V True RMS رقمي Clamp Meter مع AC V / A Waveform عرض المقياس المتعدد Oscilloscope 2 in 1 Non-contact Current Waveform Measure مقاومة مقاومة الصمام الثنائي Test
US$67.99

سؤال: One of the pictures shows it can display the wave form of the current measured with the clamp, but the review posted by "msobejano" indicates it can only display the waveform of voltages. What is correct?

السؤال بواسطة hvorfordetda على 2020-02-28 09:07:12

ingdump It can display Amps and Volts in AC only, in DC, volts only

2021-03-26 12:25:06 مساعدة (1)
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hvorfordetda 24/06/2019
First impression is that this is a good product made without cutting all corners possible. Seems like the manufacturer has tried (and meant) to make something that is meant to last. Price is not cheap, but seems quite realistic for what I got. I have only started the motor, and I can confirm that it seems to be very well balanced. The attached collet is 1/8". Don't think it is mentioned in the description. Shipping protection was very good.
محرك الدوار اللامبي ل DC 48V 500W ER11 ، محرك التحكم في السرعة لآلة CNC
US$119.90 US$145.99
1
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hvorfordetda 16/10/2020
Happy with these. Price with rebate was very good.
Machifit 250-000 نوع GIB الختامية مجموعة أدوات تغيير سريع حامل أدوات ماكينة الخراطة 250 001-010
US$15.99 US$18.99
0
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hvorfordetda 16/10/2020
Seems to be good for the price.
MT2 ER16/20 M10 مورس تفتق كوليت ظرف حامل طحن كوليت ظرف حامل CNC القاطع أربور
US$14.32 US$17.99
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hvorfordetda 16/10/2020
Seems to be good for the price.
Machifit 10 قطعة ER16 1-10 مللي متر الربيع كوليت CNC آلة نحت طحن تشاك كوليت مخرطة أداة
US$17.99 US$23.99
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hvorfordetda 16/10/2020
These are good. Had three of them, and bought three more.
3 قطع Elfeland شب 600lm آا البسيطة التخييم ليد القلم ضوء المصباح آا
US$10.64 US$15.96
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MT2 ER16/20 M10 مورس تفتق كوليت ظرف حامل طحن كوليت ظرف حامل CNC القاطع أربور
US$14.32 US$17.99

سؤال: I can answer myself. The threads on the nut holding the collett is M22x1,5 on the ER16 MT2 holder. The draw bar is M10x1,5 as stated by Z.

السؤال بواسطة hvorfordetda على 2020-07-28 10:38:38
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MT2 ER16/20 M10 مورس تفتق كوليت ظرف حامل طحن كوليت ظرف حامل CNC القاطع أربور
US$14.32 US$17.99

سؤال: What size is the threads for the nut on the MT2 ER16 collett? M19 x 1 or M22 x 1.5 ? Both sizes exist, so this should be stated in the description.

السؤال بواسطة hvorfordetda على 2020-06-07 11:43:04

Zosterops M10*1.5

2020-07-06 04:01:52 مساعدة (0)
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hvorfordetda Search eevblog dot com, and you will find some useful information about adjustment and improvements to the power supply.

BG231153916 01/02/2020
Great product for hobby work and educational purposes. It seems to work properly although seems to show ~5% higher values on both ranges than my other equipment, so could be a bit out of spec in my case. Probably can be calibrated if needed. Signal noise could be lower, but I usually take average measurements anyway, so it doesn't matter that much to me. For one shot applications, I presume it could be a bit problematic if you need to be sure what are you looking at. Haven't yet tested it at higher frequency though, but will do so, expect it to work as specified. Zeroing works great, albeit a bit fiddly. Simply the button sometimes get stuck. This is the only reason I gave it 4 stars for quality, as it could easily be solved by re-thinking the design of the physical button. Surprisingly, after proper zeroing it doesn't float that much afterwards. All in all, extremely good value. If there would be 10 for value, this product would easily get it. P.S. It can also work with UNI-T UT139C AC and DC range through a BNC to banana adapter (sold separately), just make sure to use the 1mV/100mA range on the Hantek clamp to match 10mV/A on the UT139C in case you want to use it for simple measurements.
Hantek CC65 رقمي AC / تيار منتظم مقياس الذبذبات متعدد المتر مع موصل BNC
US$94.59 US$103.99
0
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5.0MP USB Cmos الة تصوير Electronic رقمي العدسة المجهر سائق الحرة / قياس البرمجيات عالية القرار ل WIN10 / 7/8
US$65.99 US$71.99

سؤال: Can I attach a C-mounth lens to this camera?

السؤال بواسطة hvorfordetda على 2020-01-23 11:59:34

wuchuangbin yes

2020-02-05 09:17:22 مساعدة (2)
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hvorfordetda 01/02/2020
Works OK, but could benefit from more care during manufacturing. Too many sharp edges that should have been removed before assembly given the price. It is possible to remove them by means of a 1200 grit abrasive paper. The best result will be achieved if you dismantle it. Four screws are hiding underneath the sticker with the table on the back. You can feel the holes with your finger. Both sides of the knurled screw ontop of the display, you find two small buried screws. They can benefit from some minor adjustment to thighten the sliding mechanism. If you remove them, take notice of their placement because they are slightly different. One of them is meant to fit into a small hole in the bronze leaf spring that takes up the slack. When sharp edges are removed and some minor adjustemts are taken care of, it is a quite nice caliper. Seems to be accurate and the zeroing is also OK. Nice to find extra batteries and the plastic case gives protection.
نافذة عرض شاشة الكريستال السائل من الفولاذ المقاوم للصدأ 150 مم شديدة الدقة عالية ديجيتال وحدات قياس الجيب الصلبة بوصة / مم / بوصة / مم
US$17.99 US$29.99
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hvorfordetda 12/01/2018
These ar not good. They lack spring tension for the shield and will give very poor connection for radio frequencies.
إكسيلواي® 10 مجموعات موصلات تجعيد قابس BNC محول لكابل RG58 RG-58 Coax ذكر هوائي
US$16.99 US$20.99
1
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hvorfordetda 17/09/2019
Product is OK, but I would like to se a larger version of it. Lenght is OK, but width could have been about 30 - 40 cm more. Some of us are not thin, you know, and sometimes this will be used together with other thick clothes as well. This kind of apron can be useful for many kinds of work in addition to welding.
معدات لحام لحام العزل الحراري حماية المئزر جلد البقر 60x90 سم
US$20.40 US$24.48
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hvorfordetda 11/07/2019
10ml pipette is ok. 5ml pipette is ok for the glass, but the red ballon is just a joke. Does not fit the glass and is to small to suck up 5ml. Buy some of the blue ballons in addition. Loose one star because of un-necessary extra cost. Survived shipping only by pure luck. Why does the Chinese think it is smart to wrap long, thin tubes of glass in thin layer foam only?
الزجاج ماصة نقل أنبوب القطارة مع مقياس كاب المطاط للمختبر
US$3.95 US$5.93
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TEVO® 5PCS 4.3mm قطع توصيل هوائية يتناسب مع انبوب PTFE 4mm ربط التوصيلات المغايرة المدخلات
US$2.33 US$8.99

سؤال: Do it have metal teeth on the inside to provent a good grip on the ptfe tube ?

السؤال بواسطة ckiki على 2018-11-13 04:06:20

hvorfordetda Yes, it has metal teeths inside.

2019-10-10 06:29:29 مساعدة (0)
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hvorfordetda 11/07/2019
Probably ok
WXD3-13-2W 10K أوم مقياس جهد دوار متعدد الدورات
US$6.99 US$8.99
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hvorfordetda 11/07/2019
These are ok
5 قطعة / المجموعة الأزرق ماصة قطارة ماصة لمبة مطاطية على شكل كمثرى مختبرات شفط الكرة أدوات مختبر
US$4.99 US$14.99
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hvorfordetda 26/06/2019
These are good. Small (as I need) and qite sturdy. Have been using them over long time.
50 قطعة مشبك للخيمة في الهواء الطلق، مشبك مقاوم للرياح للبقاء على قيد الحياة، أداة شد الشراشف، مشبك للغطاء
US$7.99 US$11.10
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hvorfordetda 23/10/2018
I can't prove they are fake, but they don't behave like any of the 14 other DS18B20 I have, two different batches of 7 each.. When I test them, it is impossible to have more than three of them connected to the same bus. I can have all of the other 14 I have one the same bus, and I can have 3 of the ones I got from Banggodd in addition. Regardless of how I connect them, I can not have more than 3 of them connected at the same time. Only 3 (no other DS18B20's) is OK, 4 or more does not work. None of the DS18B20's on the bus is recognized if I have more than 3 of this batch. I bought 10 items. Five are well within the tolerances, five are outside. All items respond as expected to 9, 10, 11 and 12 bit resoulution settings, and they remember the setting when powered off. If you need less than four items on a bus, they will probably be OK, but expect some errors i the temperature readings. I add a picture showing the face of the case and it's batch number.
مستشعر درجة الحرارة DS18B20 بعدد 10 18B20 TO-92 تجليد
US$9.99 US$11.99
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