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Cutia de sub birou Aici se discuta despre configuratii prezente sau viitoare


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Old 24-09-2009, 17:32   #1
red
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Default Aparat de masura consum ?

Eu m-am tot uitat pe net prin romania da tot nu am gasit. Am vazut ca Monstru foloseste un aparat de masura consum care il pune la priza . Stie cineva de unde ast putea sa fac rost de asa ceva ? se gaseste pe la vreun magazin ceva , sau daca nu cum as putea masura consumul calculatorului , nu cred ca pot sta cu multimetru pe placa de baza sa masor intensintatile si Voltajul la fiecare in parte . SAU da ?

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Old 24-09-2009, 18:23   #2
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De la Mavirom l-a luat poti suna la ei sa vezi daca il au pe stoc.
http://www.mivarom.ro/
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Old 24-09-2009, 18:29   #3
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Ms mult . Buna informatie .
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Old 24-09-2009, 18:41   #4
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eu am luat acu ceva vreme din Mr. Bricolage
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Old 24-09-2009, 21:14   #5
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http://www.mivarom.ro/catalog/produc...oducts_id=4250
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Old 20-03-2013, 15:34   #6
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buna asta
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Old 26-03-2013, 11:30   #7
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nu am gasit nimic legat de precizia masurarii la aparatul de mai sus; aveti cumva idee cat de corect indica ?
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Old 26-03-2013, 11:39   #8
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Probabil precizia e aceeasi ca la fratele mai mare:
• Voltage range 200-276V AC, accuracy +/- 0.5% max
• Current range 0.005-16A, accuracy +/- 0.5% max
• Power accuracy +/- 0.5% max
http://www.mivarom.ro/catalog/produc...epm02hq-p-5320
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Old 26-03-2013, 12:31   #9
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Am luat si eu unul. Arata si instantul, sau doar media pe "x" perioada timp?
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Old 26-03-2013, 21:21   #10
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Voltcraft Energy Check 3000
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Old 27-03-2013, 02:03   #11
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tre sa-mi iau si eu unu cat de curand...
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Old 27-03-2013, 02:17   #12
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Avand in vedere ca orice multimetru decent masoara fara cleste de curent pana la 10A AC nu vad de ce mai dati banii pe prostii. Inseriati multimetrul in circuit si faceti calculul matematic W=V*A. Daca multimetrul masoara sa zicem 2.45A inseamna ca consumatorul suje 220*2.45=539W. Cutiile alea numa precise nu sunt, o spun din experienta proprie nu din cutume si legende forumiste.

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Old 28-03-2013, 00:58   #13
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In limite rezonabile sunt ok Valentine.
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Old 28-03-2013, 02:51   #14
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Daca PC-ul imi suge 250W din priza si el imi arata 253W nu e mare lucru... si asta e marja de 1%, mult peste ce e in specificatii.

Pentru 46 lei merita sa-ti faci o idee de cat iti consuma chestiile din priza.
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Old 28-03-2013, 03:07   #15
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Nu vreau sa intru in nici o polemica cu nimeni despre nimic. Incercam doar sa evidentiez ca in limita a 2200W (10A, cat masoara multimetrele uzuale) daca aveti nevoie de masuratori ale puterii puteti folosi multimetrul economisind 50 de RON. Asta era mesajul meu.

@Tudor, ce am demontat eu si testat cu mana mea incepea sa fie precis de la 20W in sus. Sincer sa fiu nu am verificat toata plaja de masura caci nu aveam nimic la indemana (consumator cu putere variabila) care sa imi permita sa simulez curenti variabili. Ar merge cu un reostat de putere si ceva consumator mai serios dar iesea din aria mea de interes. Pe mine ma intereseaza exact plaja 0-50W unde prefer multimetrul.
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Old 28-03-2013, 11:26   #16
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Am testat eu cu mana mea un aparat din asta cu diversi consumatori si marja este destul de mica intre 50 si 1500W.
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