BK Precision manuāli nosakāms, vidēji sensējošs digitālais multimetrs ar loģisko testu un tranzistora pastiprinājumu ar NIST izsekojamu kalibrēšanas sertifikātu ar datiem BK Precision 388B

Brand:B&K Precision

3/5

490.59

BK Precision 388A digitālais multimetrs (pazīstams arī kā multitesteris) ir vidējas sensora manuālas diapazona mērītājs strāvas, sprieguma, pretestības, kapacitātes un frekvences mērīšanai elektrisko testu lietojumos. Skaitītāja komplektācijā ietilpst noņemamu testa vadu komplekts. Loģiskā pārbaude ziņo par elektroniskās shēmas loģisko stāvokli. Skaitītājs mēra NPN un PNP tranzistoru tiešās strāvas pieaugumu. Skaņas nepārtrauktības sensors apstiprina, ka ķēde vada elektrību, un diodes pārbaude nosaka ķēdes diožu pareizu darbību. Mikropastiprinātāja funkcija identificē pašreizējās izmaiņas liesmas detektoru lietojumos. Aizturēšanas funkcija saglabā rādījumu displejā pat pēc skaitītāja atvienošanas. Maksimālās aizturēšanas funkcija saglabā sesijas augstāko vērtību displejā. Atskan trauksmes signāls, kad testa vadi ir pievienoti nepareizajai ligzdai mērījumu veikšanai. Ierīce automātiski izslēdzas pēc 45 minūtēm, kad tā netiek izmantota, lai taupītu akumulatora darbības laiku, un zema akumulatora uzlādes līmeņa indikators signalizē, kad skaitītāja baterijas ir jānomaina. Mēraparāta korpuss ir izgatavots no formētas gumijas, kas palīdz aizsargāt to pret bojājumiem no kritieniem, triecieniem un nobrāzumiem. Mēram ir iebūvēts slīpuma statīvs, kas paredzēts atbalstam uz līdzenas virsmas, un komplektā ir iekļauta piekarināmā siksna lietošanai brīvroku režīmā. Šis vidējo uztveršanas vai vidējās atbildes mērītājs nodrošina precīzus rādījumus, mērot lineāras slodzes, piemēram, standarta indukcijas motorus un kvēlspuldzes, kur strāvai vai spriegumam ir neizkropļota viļņu forma. Tas ir manuāls attāluma mērītājs, kas nosaka, ka operatoram ir jāizvēlas atbilstošs darbības diapazons mērītajam īpašumam.

Nav pieejama neviena vienība
10 iepakojums. Piemērots lielākajai daļai skapju; ietver 1 collu un 1,5 collu montāžas skrūves; atkarībā no skapja platuma, iespējams, būs jāiegādājas papildu garuma skrūves; mašīnas skrūves metriskais izmērs: M8-32. Diametrs: 1,18 collas. Projekcija: 1,08 collas. Plakana melna apdare.
Brand B&K Precision
Country of Origin China
Item model number 388BTCAL
Manufacturer B&K Precision Corporation
Package Dimensions 9.29 x 5.59 x 2.48 inches; 14.89 Ounces
Power Source Battery Powered
Style BK Precision 388B

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8 Review
5 Star
65
4 Star
0
3 Star
9
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1 Star
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Scritto da: AZ
Not NIST traceable
NIST traceable certificate - not! Works fine otherwise. I've used the same trusty old BK Precision 2703B for over a decade and it's been completely reliable. I needed specifically a meter with a NIST traceable calibration certificate for work. I looked at a bunch of Fluke meters which are way more expensive, and then decided to give BK a try again. Measurements and build quality of this meter are all solid as far as I can tell from a quick test. The only problem is - there is no NIST certificate! What there is, is a dinky little "Certificate of Conformance" which doesn't indicate absolutely anything about what tests were done, when, by whom, what the results were, or how they're traceable to anything at all. Real NIST certificates would list the reference number, be produced by an A2LA lab, and follow ANSI Z540 or ISO17025 standards. None of that is there. I can't tell if this is what the "... with NIST Certificate" version is supposed to come with, or if I was just sent the wrong version. I'll have to return this and keep shopping. 1 star since this was the only reason I bought the meter. I think I would give the regular (non-NIST) version 5 stars, if I was just looking for a nice meter.
Scritto da: Don Macleay
A good example of digital making things better
does the work of the earlier versions without much change or need to learn it over again. A good example of digital making things better, but not harder to use or lower quality. I would give more stars, but the shipment took a long time to come and the information was very partial at best.
Scritto da: Amazon Customer
Died on me
Died after a couple of months of use. No fuses blown, just erratic readings then sudden death. It was after Amazon's 1 month warranty, so I was out of luck. They connected me with the company, and I saw that their repair rates were higher than what I paid for the thing. Build-wise and performance-wise I guess it was okay, but I really didn't like the weak plastic fold out back piece.
Scritto da: Charles Platt
Manual ranging, old-school meter with a solid feel.
Solid, well built, handsome, and so far as I can tell, accurate. The beep alert when you move the red lead to the current-measuring socket is a nice feature--maybe I won't blow so many fuses now. Capacitor measurement up to 40uF. Frequency measurement in KHz. I've used BK products for many years and have always been satisfied with them.
Scritto da: Roland J. Plasser
Professional quality
I'm a service engineer, this replaced my old Test Bench unit that I had for 20 years that was thrown around in my travel toolbox for about 1000 air flights and it still worked, now retired as my garage voltmeter. I hope to get the same durability and rock solid performance of of this iteration. So far, so good, so easy to use and the cables are substantial. Could not ask for more.
Scritto da: E. Weber
Very happy
I am very happy with this meter so far. I needed a good manual ranging multimeter and settle on this one after hearing good feedback from a colleague. I have no regret so far The quality is great, the accuracy is as expected, and the leads are very comfortable and substantial.
Scritto da: Samantha Moore
Bought for a student
Son needed this for college and it works as it should. This is the model that was recommend by the school.
Scritto da: TheGirlWhoKnows
high quality DMM for everybody
BK Precision makes high quality gear. This DMM has a great feel, it's hefty without being too heavy. The leads are of especially good quality, and they untangle easily which is a huge plus.

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