Ob chav Clamp Earth Resistance Meter

Muaj nuj nqi

Kev ntsuas kev tiv thaiv hauv av, av tiv thaiv, DC tsis kam, kev ua haujlwm txuas ntxiv, kev sib koom ua ke tsis zoo, kev sib txuas hauv av, AC tam sim no, thiab cov xau tam sim no.

Fais fab mov

DC 7.4V 1.8Ah rechargeable lithium roj teeb

Backlight

Controllable backlight, haum rau siv nyob rau hauv qhov chaw dimly.

Txoj kev ntsuas

Precision plaub-hlau thiab peb- hlau txoj hauv kev rau kev ntsuas av tiv thaiv, ua kom yooj yim ob- txoj kev xaim, txoj kev xaiv, thiab ob- txoj kev clamp.

Txoj kev ntsuas

Ob-, peb-, thiab plaub- hlau txoj kev ntsuas: ncej hloov txoj kev, luv- ntsuas ntsuas tam sim no 20mA Max.

Kev xaiv txoj kev ntsuas: Polarity hloov txoj kev, luv -circuit ntsuas tam sim no 20mA Max

Dual-clamp txoj kev: Tsis yog-kev sib cuag inductance kev ntsuas, ntsuas tam sim no 1mA max.

Av resistivity: Plaub -electrode txoj kev (Winner method)

DC Resistance: Txoj Kev Polarization

Hloov tam sim no: Tus nqi nruab nrab kho tau (clamp-on)

Voltage rau hauv av: Nruab nrab tus nqi kho (nruab nrab ntawm P(S) thiab ES interfaces)

Ntau yam

Ob-, peb-, thiab plaub- txoj kev xaim rau kev ntsuas av tiv thaiv (Re) thiab DC tsis kam:

0.00 Ω -30.00kΩ

Xaiv txoj kev ntsuas av tiv thaiv (Re): 0.00Ω-3000Ω

Dual -clamp txoj kev ntsuas av tiv thaiv (Re): 0.01Ω-200Ω

Av resistivity (ρ): 0.00Ωm-9000kΩm

Grounding voltage (50Hz / 60Hz): AC 0.0-100.0V

Hloov tam sim no (50Hz / 60Hz): AC 0.00mA-600.0A

Kev daws teeb meem

Ob-, peb-, thiab plaub- txoj kev xaim rau kev ntsuas av tiv thaiv (Re) thiab DC tsis kam:

0.001Ω (0.000Ω-29.999Ω)

0.01Ω (30.00Ω-299.99Ω)

0.1Ω (300.0Ω-2999.9Ω)

1Ω (3.000kΩ-30.00kΩ)

Txoj kev xaiv rau kev ntsuas grounding resistance (Re):

0.01Ω (0.00Ω-29.99Ω)

0.1Ω (30.0Ω-299.9Ω)

1Ω (300Ω-3000Ω)

Dual{0}}clamp txoj kev ntsuas av tiv thaiv (Re):

0.01Ω (0.01Ω-0.99Ω)

0.1Ω (1.0Ω-29.9Ω)

1Ω (30Ω-200Ω)

Av resistivity (ρ):

0.01Ωm (0.00Ωm-99.99Ωm)

0.1Ωm (100.0Ωm-999.9Ωm)

1Ωm (1000Ωm-9999Ωm)

10Ωm(10.00kΩm-99.99kΩm)

100Ωm (100.0kΩm-999.9kΩm)

1kΩm (1000kΩm-9000kΩm)

Grounding voltage (50Hz / 60Hz): 0.1V

Hloov tam sim no (50Hz / 60Hz): 0.01mA

Qhov tseeb

raug

Ob-, peb-, thiab plaub- xov hlau txoj kev ntsuas av tiv thaiv (Re) thiab DC tsis kam (R-):

± 2% rdg ± 5dgt (0.000Ω-29.999Ω)

± 2% rdg ± 3dgt (30.00Ω-299.99Ω)

± 2% rdg ± 3dgt (300.0Ω-2999.9Ω)

± 4% rdg ± 3dgt (3.000kΩ-30.00kΩ)

Nco tseg: 1. Qhov yuam kev ntxiv ntawm rC max lossis rP max Tsawg dua lossis sib npaug ± 5% rdg ± 5dgt. (rC max: 4kΩ+100R＜50kΩ, rP max: 4kΩ+100R＜50kΩ)

2. Kev ua yuam kev ntxiv ntawm 5V cuam tshuam voltage Tsawg dua lossis sib npaug ± 5% rdg ± 5dgt.

Txoj kev xaiv rau kev ntsuas grounding resistance (Re):

± 2% rdg ± 5dgt (0.00Ω-29.99Ω)

± 2% rdg ± 3dgt (30.0Ω-299.9Ω)

± 2% rdg ± 3dgt (300Ω-3000Ω)

Dual{0}}clamp txoj kev ntsuas av tiv thaiv (Re):

± 10% rdg ± 5dgt (0.01Ω-100Ω)

± 20% rdg ± 5dgt (101Ω-200Ω)

Av resistivity (ρ): Nyob ntawm qhov ntsuas qhov tseeb ntawm R.

(ρ=2πaR a: 1 m-100m; π=3.14)

Grounding voltage (50Hz / 60Hz): ± 2% rdg ± 3dgt

Hloov tam sim no (50Hz / 60Hz): ± 2% rdg ± 3dgt

Test voltage waveform

sine yoj

Xeem zaus

128Hz / 111Hz / 105Hz / 94Hz (Nws pib xaiv zaus)

Luv - Circuit Court test tam sim no

AC 20mA max

Qhib Circuit Court test voltage

AC 40V max

Electrode qhov sib txawv

1m-100m

Zaub hom

6- lej ntxiv-loj LCD zaub nrog backlight

Kev ntsuas ntsuas

Thaum ntsuas, LED flashes qhia lub sijhawm thiab LCD qhia txog kev suav rov qab.

LCD loj

128mm × 75 hli

LCD zaub cheeb tsam

124 x 67 mm

Khoom loj

Instrument qhov ntev (ntev × dav × qhov siab): kwv yees li 320 hli × 275 hli × 145 hli

Tam sim no clamp qhov ntev: kwv yees li 220mm × 100mm × 27mm

Ntim loj

Cov khoom ntim sab nraud: kwv yees li 400mm × 245mm × 335mm

Kuaj kab

Ib qho xim liab (20m), dub (20m), daj (10m), thiab ntsuab (10m).

Kev sim kab yooj yim

Ob lub strips: ib qho liab 1.6m sawb thiab ib tug dub 1.6m sawb.

Auxiliary grounding pas nrig

4 daim: φ10mm × 150mm

Tam sim no clamp

Ob txheej: Ib khub ntawm clamp A (xiav thiab dub plug), thiab ib khub clamp B (liab thiab dub plug).

Tam sim no clamp txoj kab uas hla

φ52 hli

Tam sim no clamping ratio

1000:1

Tam sim no clamp coj

2m ntev

Lub sijhawm ntsuas

Hloov tam sim no: kwv yees li 2 zaug / thib ob

Voltage rau hauv av: kwv yees li 2 zaug / thib ob

Grounding kuj: kwv yees li 7 vib nas this / sijhawm

Tus naj npawb ntawm kev ntsuas

Ntau tshaj 5000 luv luv- kev ntsuas hluav taws xob (kuaj ib zaug, nres 30 vib nas this, tom qab ntawd sim dua).

Kab hluav taws xob

Kev ntsuas qis dua AC 100V

Kev sib txuas lus interface

Nws muaj RS232 interface, thiab cov ntaub ntawv khaws cia tuaj yeem xa mus rau lub computer ntawm software.

Kev sib txuas lus kab

Ib qho RS232 kev sib txuas lus cable, 1.5m ntev.

Kev khaws ntaub ntawv

Lub cim "HOLD" qhia thaum cov ntaub ntawv tuav.

Cov ntaub ntawv khaws cia

2000 pab pawg, qhov "MEM" qhov taw qhia cia qhia txog "FULL" lub cim qhia tias qhov chaw cia puv.

Cov ntaub ntawv nkag

Lub cim "READ" qhia thaum saib cov ntaub ntawv.

Overflow zaub

Lub cim "OL" qhia txog ntau dua - ntau dhau.

Tam sim no clamp qis tam sim no qhia

Thaum siv txoj kev xaiv los yog dual -clamp txoj kev ntsuas, yog tias lub teeb liab tam sim no tau txais los ntawm CT2 (A clamp) qis dua 0.5mA, cov zaub yuav qhia "" cim. Nyob rau hauv cov ntaub ntawv no, lub clamping kev taw qhia ntawm CT2 (A clamp) tam sim no clamp yuav tsum tau kuaj xyuas.

Kev ntsuam xyuas cuam tshuam

Tsis siv neeg txheeb xyuas cov teeb liab cuam tshuam; lub cim "NOISE" qhia tias muaj kev cuam tshuam hluav taws xob siab dua 5V.

Kev pab cuam grounding test

Nws muaj kev pabcuam hauv av tiv thaiv tus nqi ntsuas kev ua haujlwm, xws li 0.00kΩ txog 30.00kΩ (100R + rC<50kΩ, 100R+rP<50kΩ).

Tswb muaj nuj nqi

Thaum qhov ntsuas tus nqi siab tshaj lub tswb, lub tswb "beep-beep-beep" lub tswb yuav suab.

Roj teeb voltage

Thaum lub roj teeb voltage qis, lub cim roj teeb qis yuav tshwm sim, ceeb toom koj tias lub roj teeb yuav tsum tau them.

Tsis siv neeg kaw

Tsis siv neeg kaw tom qab 15 feeb ntawm lub hwj chim-on

Kev siv fais fab

Backlight: 25mA Max (Lub zog siv rau lub teeb pom kev nkaus xwb)

Standby: 25mA Max (rov qab tawm tom qab fais fab -on)

Kev ntsuas: 150mA Max (rov qab tawm)

Zoo

Chav tsev loj: 2.66kg (suav nrog roj teeb)

Tag nrho qhov hnyav: 7.87kg (nrog rau cov kev xeem coj, tus pin hauv av, thiab ntim khoom)

Toolbox

Nws tuaj yeem txhawb nqa qhov hnyav ntawm 200kg

Ua haujlwm kub thiab av noo

-10℃-40 degree; qis dua 80% RH

Cia kub thiab av noo

-20℃-60 degree; qis dua 70% RH

Kev tiv thaiv overload

Ntsuas av tiv thaiv: AC 280V / 3 vib nas this ntawm txhua qhov chaw nres nkoj C(H)-E thiab P(S)-ES.

Rwb thaiv tsev tsis kam

20MΩ lossis siab dua (500V ntawm Circuit Court thiab casing)

Siab tsis kam

AC 3700V / rms (nruab nrab ntawm Circuit Court thiab casing)

Electromagnetic zog

IEC 61326 (EMC)

Tsim nyog rau kev tswj hwm kev nyab xeeb

IEC61010-1 (CAT III 300V, CAT IV 150V, muaj kuab paug theem 2);

IEC 61010-031; IEC 61557-1 (Grounding Resistance);

IEC 61557-5 (Cov av tiv taus); JJG 366-2004 (Grounding resistance meter);

JJG 1054-2009 (Clamp-on grounding resistance meter).