Portable Insulation Resistance Meter

Portable Insulation Resistance Meter

Portable Insulation Resistance Tester ​(Megohmmeter) ​​yog ib qho tseem ceeb ntawm kev ntsuas hluav taws xob siv los ntsuas qhov zoo ntawm rwb thaiv tsev hauv cov khoom siv hluav taws xob, cables, motors, thiab transformers.The rwb thaiv tsev tiv thaiv tester yog siv los ntsuas qhov zoo ntawm high -voltage transformers, motors, generators, long-vim hluav taws xob cables, hluav taws xob cables, thiab lwm yam. siab-kev cuam tshuam ib puag ncig xws li siab-voltage substations thiab fais fab nroj tsuag. Nws yog qhov tshwj xeeb tshaj yog tsim rau kev sim siab - muaj peev xwm, siab - cuam tshuam thaj chaw siab dua 110 kV.
Xa kev nug
Hauj lwm lawm
Kev tsis

Product Overview & Applications

 

Txheej txheem cej luam:

HM2305 Portable Insulation Resistance Tester ​(Megohmmeter) ​​yog ib qho tseem ceeb ntawm kev ntsuas hluav taws xob siv los ntsuas qhov zoo ntawm rwb thaiv tsev hauv cov khoom siv hluav taws xob, cables, motors, thiab transformers.The rwb thaiv tsev tiv thaiv tester yog siv los ntsuas qhov zoo ntawm high -voltage transformers, motors, generators, long{sib zog rods, thiab lwm yam hluav taws xob rwb thaiv tsev cables, thiab lwm yam. nyob rau hauv siab - cuam tshuam ib puag ncig xws li siab -voltage substations thiab fais fab nroj tsuag. Nws yog qhov tshwj xeeb tshaj yog tsim rau kev sim siab - muaj peev xwm, siab - cuam tshuam thaj chaw siab dua 110 kV.

 

Nta & Qhov Zoo

 

● Tsim kom tau raws li cov qauv kev nyab xeeb hauv qab no: IEC 61010-1,-2-30 (CAT III 600V/CAT IV 300V Pollution℃2) IEC 61010-031 (Yuav tsum muaj rau cov khoom siv tes tuav)

● Nrog nws pib- tso tawm muaj nuj nqi Thaum lub rwb thaiv tsev tiv thaiv zoo li lub peev xwm capacitive ntsuas, cov nqi hluav taws xob khaws cia hauv cov khoom siv hluav taws xob tau txiav tawm tom qab ntsuas. Tshem tawm tuaj yeem kuaj xyuas ntawm qhov ntsuas hluav taws xob.

●Backlight muaj nuj nqi los pab txhawb kev ua hauj lwm ntawm qhov chaw dimly illuminated los yog thaum hmo ntuj ua hauj lwm.

●Bar graph zaub

● Suab ceeb toom thiab pom LIVE Circuit Court

● Nrog Auto- lub hwj chim tawm muaj nuj nqi Lub ntsuas yuav kaw nws tus kheej yog tias tsis muaj kev hloov pauv lossis khawm nias rau 10 feeb kom txuag tau roj teeb.

●Auto- ntsuas thiab tso saib ntawm PI (Polarization Index), DAR (Dielectric Absorption Ratio)

 

Cov ntaub ntawv ntxiv

 

Xws li Accessories:

1. Chav tsev loj

HM2305 Portable Insulation Resistance Tester (Main Instrument) --- 1 unit

 

2. Test Leads & Probes

High-Voltage Test Lead (Liab) --- 1 daim

Guard Lead (Dub lossis Xiav) --- 1 daim

Lub ntiaj teb Lead (Dub) --- 1 daim

Alligator Clips (rau leads) --- 3 pieces (1 liab, 2 dub)

Test Probes --- 2 daim

 

3. Lub zog qhov chaw

Rechargeable Battery Pack (pre- nruab lossis cais) --- 1 teeb

AC Power Adapter / Charger --- 1 unit

Fais fab Cord --- 1 daim

 

4. Cov khoom siv & cov ntaub ntawv

Tus neeg siv phau ntawv --- 1 luam

Certificate of Conformity / Calibration Certificate --- 1 luam

Nqa Case --- 1 unit

 


Cov lus piav qhia

Qeb

Yam khoom

Ntau

Sau ntawv

Chav tsev loj

HM2305 Main Instrument

1

 

Test Leads

High-Voltage Lead (Liab)

1

 
 

Tus Thawj Coj

1

Rau kev ntsuas ntsuas

 

Lub ntiaj teb Lead (Dub)

1

 
 

Alligator Clips

3

1 liab, 2 dub

 

Test Probes

2

 

Hwj chim

AC Adapter / Charger

1

 
 

Hwj chim Cord

1

 

Khoom siv

Cov neeg siv phau ntawv

1

 
 

Calibration Certificate

1

 
 

Nqa Case

1

Cov ntaub ntawv tiv thaiv

 

FAQs

Q: Dab tsi yog qhov txawv ntawm "Megger" thiab tus qauv multimeter's resistance setting?

A: Ib lub tshuab hluav taws xob siv hluav taws xob tsawg heev (ob peb volts) los ntsuas qhov tsis kam, uas tsis muaj txiaj ntsig rau kev ntsuas rwb thaiv tsev. Ib tug Megger siv lub siab DC voltage (piv txwv li, 500V, 1000V, 2500V) kom ntxhov siab rau cov rwb thaiv tsev, simulating kev ua haujlwm thiab qhia qhov tsis muaj zog uas lub multimeter tsis tuaj yeem ntes tau.

Q: Kuv yuav xaiv qhov kev ntsuas qhov tseeb li cas?

A: Qhov ntsuas hluav taws xob feem ntau yog xaiv raws li cov khoom siv ntsuas hluav taws xob. Ib txoj cai ntawm tus ntiv tes xoo yog:

  • 120-240V Khoom siv:500V DC fais fab mov
  • 480V Cov Khoom Siv Hluav Taws Xob (Motors, Panels):500V lossis 1000V DC
  • Nruab nrab- Cov Khoom Siv Hluav Taws Xob (piv txwv li, 5kV Cables):2500V lossis 5000V DC
  • Nco ntsoov sab laj nrog cov cuab yeej tsim khoom tshwj xeeb lossis cov qauv tsim nyog (IEEE 43 rau lub cev muaj zog) rau qhov ntsuas qhov xav tau.

Q: Dab tsi yog Polarization Index (PI) thiab Dielectric Absorption Ratio (DAR), thiab vim li cas lawv tseem ceeb?

A: ​

Polarization Index (PI)=R@10min / R@1min

Dielectric Absorption Ratio (DAR)=R@60sec / R@30sec

Cov sij hawm no - kev ntsuas ntsuas ntsuas muaj txiaj ntsig ntau dua li qhov kev nyeem "spot" nkaus xwb. Lawv qhia qhov xwm txheej ntawm rwb thaiv tsev los ntawm kev qhia tias nws "them li cas."

Zoo, Qhuav rwb thaiv tsev: PI> 2.0 (ua haujlwm nce ntxiv raws sijhawm).

Nug / Moist Insulation: PI ntawm 1.0 thiab 2.0.

Ua tsis tiav / ntub rwb thaiv tsev: PI < 1.0 (tsis kam txo lub sijhawm).

Q: Kev nyeem ntawv tsis ruaj khov los yog drifts. Vim li cas?

A: Qhov no feem ntau yog ib txwm, tshwj xeeb tshaj yog nyob rau hauv ntev cables los yog loj motors. Lub rwb thaiv tsev ua haujlwm zoo li lub capacitor thiab xav tau sijhawm los them. Kev nyeem ntawv yuav ruaj khov. Qhov kev them nyiaj nkhaus no yog qhov kev xeem PI thiab DAR tau tsim los ntsuas.

Q: Thaum twg kuv yuav tsum siv lub davhlau ya nyob twg "GUARD"?

A: Yog tias koj tsuas yog xav ntsuas qhov ntim tsis kam ntawm cov rwb thaiv tsev, tsis quav ntsej cov dej ntws ntws tawm, siv lub Guard davhlau ya nyob twg.

Daim ntawv thov ib txwm: kuaj cov kab mob los yog cov kab ntub dej los yog kab xaus. Qhwv cov hlau tiv thaiv ib ncig ntawm thaj chaw muaj kab mob thiab txuas mus rau Lub Chaw Saib Xyuas Lub Sij Hawm kom tshem tawm cov dej ntws ntws tawm ntawm qhov ntsuas thiab tau txais daim duab zoo dua ntawm qhov kev tiv thaiv sab hauv.

Cim npe nrov: Tuam Tshoj portable rwb thaiv tsev tsis kam meter manufacturers, hoobkas

Technical Specification

 

Qhov ntsuas voltage (kV)

0.5,1,2.5,5,10 (kv)

Ntsuas qhov voltage (kV)

Nominal voltage × (1 ± 10%) lub load kuj yuav tsum tsis txhob qis dua qhov ntau 1%

Qhov yuam kev yam tsawg kawg nkaus yog 10% RDG qhov

(0.001-100)GΩ / 10kV
(0.001-100)GΩ / 5kV
(0.001-50)GΩ / 2.5kV
(0.001-20)GΩ / 1kV
(0.0001-10)GΩ / 0.5kV

Yam tsawg kawg yuam kev yog 20%

RDG Scope

(100-5000)GW/10kV
(100-4000)GW/5kV

(50-200) GW / 2.5kV
(50-100)GW/1kV
(10-20) GW / 0.5kV

Capacitance CX

0.01-10UF Kev daws teeb meem 0.03 Precision 20%

Tsis xav tau

>10T

Output luv
Circuit Court tam sim no

Ntau tshaj lossis sib npaug rau 10mA

DAR, PI
Kev ntsuas ntau

Kev ntsuas ntau: 0.01 -9999.99
Qhov yuam kev siab tshaj plaws: ± (1% RDG + 1d)

Output voltage
tso saib yuam kev

± (3% RDG + 1d)