CEM 8820 Bukana ea Taelo ea Metara ea Mesebetsi e mengata

LIEKETSENG

Meter ea Tikoloho ea Multi-Function ea 4 ho 1 e etselitsoe ho kopanya mesebetsi ea Sound Level Meter, Light Meter, Humidity Meter, le Temperature Meter. Ke sesebelisoa se loketseng sa Multi-Function Environment Meter se nang le lits'ebetso tse ngata tse sebetsang bakeng sa ts'ebeliso ea profeshenale le ea lapeng.

Sesebelisoa sa "Sound Level" se ka sebelisoa ho lekanya lerata lifekthering, likolong, liofising, boema-fofane, lapeng, joalo-joalo, ho lekola molumo oa li-studio, liholo le lits'ebetso tsa hi-fi.

Mosebetsi oa Leseli o sebelisetsoa ho lekanya khanya tšimong. Ke cosine ka botlalo e lokisitsoeng bakeng sa ketsahalo ea angular ea khanya. Karolo e bobebe e bobebe e sebelisitsoeng metara ke Silicon diode e tsitsitseng haholo, ea bophelo bo bolelele

Mongobo / Mocheso ke oa ho sebelisa sensor ea mongobo / semiconductor le K mofuta oa thermocouple. Bukana ena ea ts'ebetso e na le lintlha tse akaretsang le litlhaloso

LIKAROLOANA

• Mesebetsi e 4 e lekanya boemo ba molumo, Leseli, Mongobo le Mocheso
• Pontsho e kgolo ya LCD e 3 1/2 e nang le diyuniti tsa Lux, ℃,％RH le C & dB, A & dB sesupo.
• Ho bonolo ho e sebelisa
• Litekanyo tse bobebe tse lekanyang ho tloha ho 0.01 lux ho isa ho 20,000 lux.
• Boemo ba molumo:
  A LO (tlase) - Boima: 35-100 dB
  A HI (Phahameng)- Boima: 65-130 dB
  C LO (tlase) - Boima: 35-100 dB
  C HI (Phahameng)- Boima: 65-130 dB
  Qeto: 0.1 dB
• Tekanyo ea mongobo ho tloha ho 25％RH ho isa ho 95％RH ka qeto ea 0.1％RH le karabelo ea nako e potlakileng.
• Mehato ea ho lekanya mocheso ho tloha ho -20.0℃～＋750℃ /-4℉～＋1400℉

LIEKETSENG TS'OANELO

Hlahisa: 1999 e kholo e bala ponts'o ea LCD e nang le ts'ebetso ea Lux , x10 Lux, ℃, ℉, %RH le dB, A & dB, C & dB, Lo & dB, Hi & dB,
MAX HOLD, DATA HOLD pontsho.
Polarity: Automatic, (-) polarity e fosahetseng.
Boemo bo fetelletseng: “OL” pontsho ya letshwao.
Pontšo ea betri e tlase: “BAT” e bontshwa ha betri e llatage theohela ka tlase ho boemo ba ts'ebetso.
Sekhahla sa tekanyo: makhetlo a 1.5 motsotsoana, ka lebitso.
Mocheso oa polokelo: -10 ℃ ho 60 ℃ (14 ℉ ho 140 ℉) ho ＜ 80％ mongobo o lekanyelitsoeng
Matla a Auto Koala: Methara e itsoara ka bo eona kamora metsotso e ka bang 10 ea ho se sebetse.
Matla: Betri e le 'ngoe e tloaelehileng ea 9V, NEDA1604 kapa 6F22.
Litekanyo/Wt.: 251.0 (H) x 63.8 (W) x 40 (D) limilimithara/250g
Boholo ba Mohloli oa Lifoto: 115 X 60 X 27 limilimithara

Boemo ba Molumo
Lekhalo la litekanyo:

• A LO (tlase) - Boima: 35-100 dB
• A HI (Phahameng)- Boima: 65-130 dB
• C LO (tlase) - Boima: 35-100 dB
• C HI (Phahameng)- Boima: 65-130 dB
• Qeto: 0.1 dB

Mofuta o tloaelehileng oa maqhubu a seletsa: 30Hz-10KHz
Kakaretso ea Boima: A, C - boima ba 'mele
Boima ba Nako: Ka potlako
Maximum Hold: Ho bola＜1.5dB/3 min
Ho nepahala: ± 3.5 dB boemong ba molumo oa 94 dB, 1KHZ sine wave.
Maekerofounu: Microphone ea motlakase oa motlakase.

Leseli
Metharo ea ho lekanya: 20, 200, 2000, 20,000lux (20,000lux range bala x10)
Pontšo e Feteletseng: Nomoro e phahameng ka ho fetisisa ea "1" e hlahisoa.
Ho nepahala: ±5％ rdg ＋10 dgts (e lekantsoe ho ea ho incandescent e tloaelehileng lamp mocheso oa 'mala 2856k).
Pheta-pheta: ± 2％.
Boemo ba Mocheso: ±0.1％/℃ Mohloli oa lifoto: Diode e le 'ngoe ea silicon e nang le sefe.
Mongobo / Mocheso
Lekhalo la Tekanyo:
Mongobo 25％～95％RH
Mocheso -20.0℃－＋50.0℃ -4℉－＋122℉
(Mofuta oa K) -20.0℃－＋200.0℃ -20℃－＋750℃;
-4.0℉－＋200℉, -4℉－＋1400℉.
Qeto: 0.1％RH, 0.1℃, 1℃/ 0.1℉, 1℉.
Ho nepahala (ka mor'a ho lekanya):
Mongobo: ±5％RH (ho 25℃, 35％～95％RH)
Nako ea ho arabela tsa Sensor ea mongobo: hoo e ka bang. 6 mets.
Mocheso:

• ±3%rdg±2℃(ho-20.0℃～+200.0℃)
• ±3.5%rdg±2℃(ho-20.0℃～+750℃)
• ±3%rdg±2℉(ho-4.0℉～ +200.0℉)
• ±3.5%rdg±2℉(ho-4℉～+1400℉)
• Tšireletso ea ho Kena: 60V dc kapa 24V ac rms

TLHALOSO PANE

1. Pontšo ea LCD: Pontšo ea LCD ea linomoro tse 3 1/2 e nang le likarolo tsa Lux, x10 Lux, ℃,℉,%RH, dB, A, C, Lo, Hi le betri e tlase "BAT" MAX HOLD, pontšo ea DATA HOLD.
2. Konopo ea Matla: E khetha matla a meter HO BUA kapa ho tima.
3. Konopo ea ho Khetha: E khetha Mesebetsi ea metara le mefuta.
4. MAX HOLD: Haeba u tobetsa konopo ea MAX, palo e kholo ea ho bala e tla tšoaroa. Tobetsa hape konopo, e tla lokolla ho ts'oara le ho lumella tekanyo e eketsehileng.
5. TŠOARA DATA: Ho bala ho tla tšoaroa ha konopo ea Data Hold Switch e hatelloa. Haeba konopo ea Switch e hatelloa hape, e tla lokolla ho ts'oara ebe e lumella tekanyo e eketsehileng.
6. Phetoho ea Mosebetsi: E khetha mesebetsi ea litekanyo tsa Lux, Mocheso, Mongobo le Boemo ba Molumo.
7. Microphone: Microphone ea condenser ea motlakase ka hare.
8. Photo Detector: Nako e telele ea silicon photo diode ka hare.
9. Mongobo ho Mocheso: Sensor ea Mongobo le Sensor ea Semiconductor ka hare.
10. Thempereichara ea Mocheso: Kenya mokhoa oa ho hlahloba mocheso ka har'a theminale ena

TAELO MOSEBETSI

Ho lekanya Boemo ba Molumo

1. Fetolela tšebetso Fetolela sebakeng sa "dB".
2. Tlosa metara 'me u shebane le maekrofono mohloling oa molumo sebakeng se otlolohileng.
3. Tobetsa Konopo ea Khetha: Khetha A & dB, C & dB, Lo & dB le Hi & dB.
4. A, C-weighting curve e batla e ts'oana le maqhubu a 30 ho isa ho 10 KHz, kahoo e fana ka sesupo sa boemo ba molumo ka kakaretso.
5. Karabelo e potlakileng e loketse ho lekanya ho phatloha ho hoholo 'me boleng ba tlhoro bo theha mohloli oa molumo.
6. Boemo ba molumo bo tla hlahisoa.
7. Tlhokomeliso: Moea o matla (ho feta 10m/sec.) o otlang maekrofono o ka baka ho bala hampe bakeng sa ho metha libakeng tse nang le moea o matla, ho lokela hore ho sebelisoe sefe ea moea ka pel'a maekrofono.

Leseli le lekanyang

1. Fetola sesebelisoa ho khetha "Lux"
2. Tlosa sesupa 'me u shebane le sesebelisoa sa lifoto sebakeng se tšekaletseng.
3. Tobetsa Konopo ea Khetha: Khetha mefuta ea 20, 200, 2000, 20,000 LUX.
4. Bala lebitso la khanya ho tsoa ponts'ong ea LCD.
5. Bophahamo bo fetelletseng: Haeba sesebelisoa se bontša "1" e le 'ngoe feela ho MSD lets'oao la ho kenya le matla haholo, 'me ho lokela ho khethoa mofuta o phahameng.
6. Ha tekanyo e phethiloe. Tlosa mochine oa ho fumana lifoto sebakeng sa mohloli oa leseli.
7. Sebopeho sa Spectral sensitivity: Ho sesebelisoa, diode ea foto e sebelisitsoeng e nang le li-filters e etsa hore tšobotsi ea spectral sensitivity e batla e kopana le CIE (International Commission on Illumination) photopia curve V (λ) joalo ka ha chate e latelang e hlalositsoe.
   
   Wavelength (nm)
8. Leseli le khothalelitsoeng:
   

   Libaka	Lux
   Ofisi
   Seboka, kamore ea ho amohela baeti	200 ~ 750
   Mosebetsi oa boruti	700 ~ 1,500
   Ho ngola mongolo	1000 ~ 2,000
   Feme
   Mosebetsi oa ho paka, Phaseje ea ho kena	150 ~ 300
   Mosebetsi o bonahalang moleng oa tlhahiso	300 ~ 750
   Mosebetsi oa ho hlahloba	750 ~ 1,500
   Mohala oa kopano ea likarolo tsa elektronike	1500 ~ 3,000
   Hotele
   Kamore ea batho bohle, Cloakroom	100 ~ 200
   Kamohelo, Cashier	200 ~ 1,000
   Lebenkele
   Mohaho oa Litepisi tse ka Hare	150 ~ 200
   Hlahisa fensetere, Tafole ea ho paka	750 ~ 1,500
   Ka pele ho fensetere ea pontšo	1500 ~ 3,000
   Sepetlele
   Sickroom, Warehouse	100 ~ 200
   Kamore ea Tlhahlobo ea Bongaka	300 ~ 750
   Kamore ea ts'ebetso
   Kalafo ea Tšohanyetso	750 ~ 1,500
   Sekolo
   Holo, Holo ea Boithapollo ea ka Hare	200 ~ 750
   Kamore ea tlelaseng	200 ~ 750
   Kamore ea ho ngola laeborari ea laboratori,	500 ~ 1,500

Ho lekanya mongobo/Mocheso

1. Tekanyo ea Mongobo:
   1. Seta tshebetso Fetolela sebakeng sa "%RH".
   2.  Ebe ponts'o e tla bonts'a boleng ba ho bala mongobo (%RH) ka kotloloho.
   3.  Ha tikoloho e lekiloeng boleng ba mongobo bo fetohile. Ho nka metsotso e seng mekae ho fumana "%RH" e tsitsitseng
      Tlhokomeliso:
      Se ke oa pepesa sensor ea mongobo ho khanya ea letsatsi.
      Se ke oa ama kapa oa laola senotlolo sa mongobo.
2. Tekanyo ea Mocheso:
   1. Fetolela ts'ebetsong ho "TEMP"
   2. Tobetsa Konopo ea Khetha: Khetha "0.1℃ kapa 1℃ le 0.1℉ kapa 1 ℉".
   3.  Ebe ponts'o e tla bonts'a boleng ba ho bala mocheso oa tikoloho (℃/℉) ka kotloloho.
   4. Kenya mocheso oa mocheso ka har'a sokete ea thermocouple ea mofuta oa K.
   5. Tobetsa qetellong ea sensor ea mocheso sebakeng kapa holim'a ntho e lokelang ho lekanyetsoa. Pontšo e tla bonts'a boleng ba ho bala mocheso (℃/℉) ka kotloloho

Tlhokomeliso:
Ha ts'ebetso e kenya mocheso oa "0.1 ℃ kapa 1 ℃ le 0.1 ℉ kapa 1 ℉", Le ka mohla u se ke ua leka vol.tagtekanyo e nang le liteko tse kentsoeng ka har'a sokete ea K-mofuta oa thermocouple. U ka 'na ua tsoa kotsi kapa ua senya mithara

TLHOKOMELO

Phetoho ea Battery
Haeba letšoao la "BAT" le hlaha ponts'ong ea LCD, le bontša hore betri e lokela ho nkeloa sebaka. Bula mokotla oa betri 'me u nkele betri e khathetseng sebaka ka betri e ncha. (1 x 9V betri NEDA 1604, 6F22 kapa e lekanang le eona)

Litokomane / Lisebelisoa

CEM 8820 Multi Function Environment Meter [pdf] Buka ea Taelo 8820, 8820 Multi Function Environment Meter, Multi Function Environment Meter, Function Environment Meter, Environment Meter, Meter

Litšupiso

• Bukana ea Mosebelisi