Ib leeg-theem Zog ntsuas: nqi xyuas

Tib theem meters yog ua los ntawm ib tug los yog ntau tshaj tariffs. Qauv nrog ib leeg feem ntau txawv nyob rau hauv cov neeg hauv chav kawm ntawv. Tsis tas li ntawd, ua ntej lub ntaus ntawv xaiv yuav tsum coj mus rau hauv tus account lub nyob voltage. Muaj ntau cov kev hloov uas yog nruab nrog kev tiv thaiv system tiv thaiv failures.

Tug txheeb ze humidity yog ib tug qauv zoo yog 30%. Nyob rau hauv tas li ntawd, thaum xaiv lub txee them sai sai mus rau lub rhiab heev pib, uas yog ntsuas nyob rau hauv amperes. Nws yuav tsum tau ib tug qauv zoo uas hais txog 3300 p.

ib tug tariff ntaus ntawv

Cov hluav taws xob 'meter' (tib theem, ib-tariff), feem ntau yog tsim nrog lub FETs. Muaj ntau cov neeg muas zaub xaiv hom apparatus simplicity thiab kev cia siab. precision chav kawm ntawv nyob rau hauv cov ntaub ntawv no yog nyob rau hauv lub chaw tsim tshuaj paus. Qhov nruab nrab nominal voltage yog tsis ntau tshaj 250 V.

Parameter kam txwv nyob rau hauv lub zaus ntawm lub network. Cov kev cob cog rua pab kiag li lawm yog heev txawv. Feem ntau, lub txee yog kev cob cog rua ntawm terminals. Nyob rau hauv cov ntaub ntawv no, koj muab cov zoo qauv ua tau tsuas yog electrician. Nws yuav tsum yog ib-tariff Meter ntawm txog 2800 p.

dual-rate kev hloov kho

Cov hluav taws xob 'meter' (ib leeg-theem, ob-tariff) yog nyob rau hauv zoo kawg thov. Muaj ntau cov qauv no muaj nyob nrog ib tug thib ob raug hauv chav kawm ntawv. Resistors siv nyob rau hauv pab kiag li lawm mem tes hom. Atmospheric siab ntawm tus qauv yog tsawg tshaj li 70 mm Hg. Art. Nws tseem ceeb heev kom nco ntsoov hais tias tus qauv yog manufactured nyob rau hauv ob terminals. Nyob rau hauv muaj ntau yam ntaub ntawv sau npe muaj ib tug system ntawm kev tiv thaiv tiv thaiv failures. Nws yuav tsum tau high-quality ob-tariff 'meter' nyob rau hauv lub cheeb tsam ntawm 3200 p.

multirate ntaus ntawv

Cov hluav taws xob 'meter' (ib leeg-theem, multi-tariff) nyob rau hauv kev ua lag luam tsis yog pheej yig. Cov tsis muaj kev sib txawv heev li. Muaj ntau buyers xaiv ib tug qauv rau lub siab qhov tseeb ntawm cov chav kawm ntawv. Lub rhiab heev pib lawv yog 0.2 A. Cov nominal voltage, nyob rau hauv lem, yog sib npaug zos rau 240 V. Cov tam sim no counter Circuit Court tso zis yog hom twg los ntawm 1 mus rau 2 watts. Nws yuav tsum tau high-quality multi-tariff counter 3,800 p.

Xyuas ntawm "Mercury" qauv

Cov hluav taws xob 'meter' (tib theem), "Mercury" tswv yim los ntawm cov tub lag luam tau ntau yam, tiam sis feem ntau zoo. Muaj ntau qhuas tus qauv rau siab raug ntsuam. Nyob rau hauv cov ntaub ntawv no, resistors yog siv hlau hom. Raws li cov ntaub ntawv rau hauv tej dais rhiab heev ntawm tus dais no yog 0.2 A. Atmospheric siab meter - 77 hli Hg. Art. Cov qauv no yog soj ntsuam txhua txhua tsib lub xyoos.

Yog hais tias peb tham txog cov shortcomings, nws yog ib qho tseem ceeb hais qhov nyuab kev twb kev txuas. Nyob rau hauv rooj plaub no tus adapter rau peb terminals tsis haum rau cov ntaus ntawv. Nyob rau hauv tej rooj plaub, overheat capacitors. Zaub counter nominal voltage ntawm 230 V. Nyob rau hauv cov ntaub ntawv no, qhov hloov tus nqi coefficient yog kuj tsis tshua muaj. Koj yuav tsum tau coj mus rau hauv tus account tus nqi ntawm cov khoom. Tus nqi rau cov no counter yog nyob ib ncig ntawm 3600 p.

Model ACE 2000: hauj lwm, xyuas thiab tus nqi

Hais tias counter hais txog ib tug tariff qauv. Threshold rhiab heev parameter kev hloov kho yog sib npaug zos rau 0.3 A. Nyob rau hauv cov ntaub ntawv no, cov neeg hauv chav kawm ntawv, tsuas yog muaj tib lub peb degree. Ib txhia tau txais kev pab tsis txaus siab ntawm ib tug tham installation cuab tam. Adapters nyob rau hauv ob terminals rau tus qauv yog tsis haum.

Capacitors overheat ntau heev. Nws tseem yog ib qho tseem ceeb yuav tau nco ntsoov hais tias cov qauv yuav tsum tau hnav feem ntau rau kev ntsuam xyuas. Lub nominal zaus ntawm tus dais no yog 58 Hz. Qhov no hluav taws xob 'meter' (tib theem), tus nqi yog hovering ib ncig ntawm 2800 p.

Nik Model 2102 1200

Qhov no hais txog ob tug-rate 'meter' qauv. Cov qhov zoo ntawm lub ntaus ntawv yuav tsum kos tus cim nws compactness. Nyob rau hauv cov ntaub ntawv no, cov kis-hom resistors yog siv. Yog li, ib tug neeg txoj kev ntsuas cov teeb meem tshwm sim tsis tshua. Lub installation ntawm tus dais no yog heev yooj yooj yim thiab yooj yim. Adapter rau peb terminals rau tus qauv haum. Nyob rau hauv cov ntaub ntawv no, lub readings yuav pom meej meej. Atmospheric siab ntaus ntawv yog 90 hli Hg. Art. Yog hais tias koj ntseeg hais tias lub txheeb xyuas ntawm cov neeg, cov teeb meem nrog failures tsis tshua muaj. Muas hais tias counter ua tau tsuas yog 2700 p.

Tswv yim txog ME172 qauv

Nthuav hluav taws xob 'meter' (tib theem) yog muag nrog lub zoo bushing resistors. Lub nominal voltage ntawm tus dais no yog sib npaug zos rau 250 V. tshaj ntawm network 'meter' yog tsis ntshai. Txawm li cas los, nws yog ib qho tseem ceeb yuav tau nco ntsoov hais tias nws tsis yog tshwj xeeb compact nyob rau hauv loj. Tsim kom muaj cov qauv tso cai tsuas nrog adapters nyob rau ob terminals.

Lub chaw pib ntawm rhiab heev ntawm tus dais no yog 0.2 A. Tus tam sim no counter Circuit Court hwj chim yog 10 watts. Qhov tsawg kawg nkaus permissible kub-rate counter yog -20 degrees. Xyuas cov khoom yog tsim nyog txhua txhua tsib lub xyoos. Lub khw sawv cev ib tug counter muaj nyob rau ntawm ib tug nqi tsis ntau tshaj li 3400 p.

qauv MTH1A10

Nthuav hluav taws xob 'meter' (tib theem) ua ib daim teb nyhuv transistor. Nyob rau hauv tag nrho, tus qauv yog muab los ntawm ob capacitors. Cov pib rhiab heev ntawm tus dais no yog sib npaug zos rau 0.3 A. Tam sim ntawd nominal voltage tsis pub tshaj 230 W. Lub atmospheric siab yog sib npaug zos rau counter 80 mm Hg. Art.

Tom qab mloog mus tawm tswv yim los ntawm cov neeg muas zaub, peb yuav pom hais tias tus qauv yog txiav txim cias. Nyob rau hauv loj nws tsis yog compact. Indications pom kom meej meej heev. counter tug txheeb ze humidity yog 60%. Kos tus ntaus ntawv yuav tsum tau xa txhua txhua tsib lub xyoos. Qhov tsawg kawg nkaus permissible kub ntawm lub 'meter' yog -25 degrees. Cov kev khiav hauj lwm zaus ntawm tus dais - 55 Hz. Tus nqi ntawm xws li ib tug 'meter' yog nyob ib ncig ntawm 3100 p.

Xyuas ntawm lub qauv ED 2500

Qhov no hluav taws xob 'meter' (tib theem) yog muag nrog ib tug high school cov precision chav kawm ntawv. Nyob rau hauv tag nrho, cov qauv siv ob feedthrough capacitor. Nqa cov ntaus ntawv mus rau dual-rate kev hloov kho. Rau adapters rau tsis haum peb davhlau ya nyob twg ntaus ntawv. Yog hais tias koj ntseeg hais tias tus neeg muas zaub xyuas, lub failures tsis tshua muaj. Nws tseem yog ib qho tseem ceeb yuav tau nco ntsoov hais tias cov nqe lus nyob hauv lub vaj huam sib luag yuav pom zoo.

Lub chaw pib ntawm rhiab heev ntawm tus qauv yog sib npaug zos rau 0.3 A. cov txheebze vaum kev hloov kho yog 55%. Kos los ntawm cov 'meter' txhua txhua peb lub xyoos. Teeb meem nrog overheating capacitors tsis tshua muaj. Cov kev khiav hauj lwm zaus yog 58 Hz kev hloov kho. Qhov tsawg kawg nkaus permissible kub ntawm lub txee yog -23 degrees. Model muag ntawm ib tug nqi los ntawm 2900 p.

ACE Model 300

Hais tias hluav taws xob 'meter' (tib theem) yog nyob rau hauv zoo kawg thov. Nyob rau hauv thawj qhov chaw nws yog xaiv rau compactness. nws yog zoo suited rau adapters rau ob terminals. Cov ntaub ntawv kom meej meej pom nyob rau vaj huam sib luag. Yog hais tias peb tham txog kev ua tau zoo, ces lub hwj chim nyob rau hauv lub DC Circuit Court yog 4 watts. Nyob rau hauv cov ntaub ntawv no, qhov tsawg kawg nkaus kub ntawm lub txee yog tsis ntau tshaj -20 degrees.

Teeb meem nrog disconnecting pab kiag li lawm yog tsis tshua muaj. Qhov no yog kev lom zem ntau vim muaj cov kev tiv thaiv system. Atmospheric siab unit npaum li 80 mm Hg. Art. Nws tug txheeb ze humidity tsis ntau tshaj 55%. Qhov siab tshaj plaws tam sim no nyob rau hauv lub Circuit Court yog sib npaug zos rau 5 A.

Rau adapters tsis haum rau plaub davhlau ya nyob twg ntaus ntawv. Meter nyob rau hauv loj yog heev compact. Capacitors yog siv nyob rau hauv tus qauv uas muaj peev xwm. Qhov siab tshaj plaws pub kub ntawm no counter yog 55 degrees. Yuav nyob rau hauv-lub khw ntaus ntawv yuav ua tau rau 3400 p.