GDCR3000B Digital Earth Resistance Tester
GDCR3000B Earth Resistance/Soil Resistivity Tester idapangidwa mwapadera kuti imayeza kulimba kwa nthaka, kulimba kwa nthaka, mphamvu yamagetsi yapadziko lapansi ndi magetsi a AC.Ukadaulo waposachedwa kwambiri wa digito ndi yaying'ono umatengedwa, kuyeza kukana kwa dziko lapansi ndi 4-pole, 3-pole kapena 2-pole.Ukadaulo wa FFT(Fourier transform), ukadaulo wa AFC(automatic frequency control) umapezekanso, wokhala ndi luso loletsa kusokoneza komanso kuthekera kosinthira chilengedwe, kuonetsetsa kulondola kwambiri, kukhazikika komanso kudalirika.Amagwiritsidwa ntchito kwambiri kuyeza mphamvu yamagetsi, matelefoni, meteorology, malo opangira mafuta, zomangamanga, chitetezo chamagetsi, zida zamagetsi zamagetsi zamafakitale.
GDCR3000B imapangidwa ndi makina opangira, mapulogalamu oyang'anira, zingwe zoyesera, ndodo yothandizira, chingwe cholumikizirana ndi zina.Chiwonetsero chachikulu cha LCD cha makina ochitira alendo chili ndi nyali yabuluu yakumbuyo ndi bar graph yomwe ikuwonetsa kuti ikuwoneka bwino.Panthawi imodzimodziyo ikhoza kusunga ma data a 300, kuzindikira funso la mbiri yakale ndi ntchito zowunikira nthawi yeniyeni pa intaneti kudzera mu pulogalamu yowunikira, mawonetsedwe amphamvu, chizindikiro cha alamu, ndi ntchito zowerengera, kubwereza, kupulumutsa, kupereka malipoti ndi kusindikiza mbiri yakale.
1. Standard Condition ndi Ntchito Yogwirira Ntchito
| Standard Condition | Mkhalidwe Wogwirira Ntchito | Ndemanga | |
| Kutentha kwa chilengedwe | 23℃±1℃ | -10℃～40℃ | ---- |
| Chinyezi Chachilengedwe | 40%～60% | ＜80% | ---- |
| Voltage yogwira ntchito | 9V±0.1 V | 9V±1.5 V | ---- |
| Kukaniza kwa Dziko Lothandizira | ＜100Ω | ＜30k paΩ | rC,rP |
| Kusokoneza magetsi | ---- | ＜20 V | ---- |
| Kusokoneza panopa | ---- | ＜2A | ---- |
| Electrode mtunda wa mayeso a R | a＞5d | a＞5d | ---- |
| Electrode mtunda waρmayeso | a＞20h | a＞20h | ---- |
2. General Specifications
| Ntchito | 2-pole/3-pole/4-poleMuyeso wa kukana kwa dziko,resistivity nthaka,voteji padziko lapansi, AC votejikuyeza. |
| Magetsi | DC 9V(Zn-Mn dry batri R14S 1.5V 6 zidutswa,Zopitiliranthawi yoyimirira300maola) |
| Mtundu | Kukaniza Padziko Lapansi: 0.00Ω～30.00kΩ |
| Kukaniza Nthaka: 0.00Ωm～9000kΩm | |
| Mphamvu yapadziko lapansi: 0V-600V | |
| Mtundu woyezera | 4-pole,3-pole, 2-pole earth resistance muyeso. |
| Njira Zoyezera | Kulimbana ndi dziko lapansi: Adavotera njira yosinthira pole.Yesani Current Max.20mA Kukaniza nthaka: 4 poles njira (Njira ya Wenner). Mphamvu yapadziko lapansi: Average rectifier[P(S)-ES doko] |
| Mayeso pafupipafupi | 128Hz/111Hz/105Hz/94Hz(AFC) |
| Mayeso Afupiafupi Ozungulira Pano | AC 20mA Max |
| Open Circuit Test Voltage | Mphamvu ya AC40V |
| Yesani Voltage Waveform | Sine Wave |
| Kutalikirana kwa Electrodes | Ikhoza kukhazikitsidwa1m-100m |
| Level Switch | Kukaniza Padziko Lapansi: 0.00Ω-30.00kΩ Kusintha kwa Autondi. |
| Kukaniza Nthaka: 0.00Ωm-9000kΩm Auto switchndi. | |
| Kuwala kwambuyo | Bluu-screen backlight |
| Onetsani Model | 4 digito LCD chiwonetsero, Bluu-screen backlight |
| Chizindikiro cha Kuwala | Kuwala kwa chizindikiro cha LED panthawi yoyesera, Chiwonetsero cha LCD chowerengera pansi |
| LCD Dimension | 128mm * 75mm |
| Chiwonetsero cha LCD | 124mm * 67mm |
| Dimension | 215mm * 190mm * 95mm |
| Standard Test Leads | Chiwerengero cha 4 chitsogozo: 1 * Chofiira20 m, 1* Chakuda20 m, 1* Yellow10m, 1*Green10m |
| Mayeso Osavuta Otsogolera | 2 kutsogolera: 1 * Red 1.6m,1 * Wakuda 1.6m |
| Ma Electrodes Othandizira Apansi | 4 zidutswa:φ10 mm×150 mm |
| Nthawi Yoyezera | Pamagetsi apansi: pafupifupi 3 nthawi / sec |
| Kukana kwapadziko lapansi, kulimba kwa nthaka: pafupifupi 5 masekondi / nthawi | |
| Nthawi Yoyezera | Kupitilira nthawi 5000 (mayeso afupipafupi, yesani 1times, imani masekondi 30 ndiye kuyesa) |
| Circuit Voltage | Kuyesa pansipa AC 600V |
| Port Communication | Mawonekedwe a USB, zoloweza pamtima zitha kukwezedwa ku PC kuti zisungidwe ndikusindikiza. |
| Mtsogoleri Wolumikizana | USB,1.5m * 1 chidutswa |
| Kusungirako Data | 300 gulu,“MEM”kusonyeza kusungirako,“ZONSE”chizindikiro chosonyeza kuti chosungira chadzaza |
| Data Hold | Ntchito yosunga data: "HOLD" chiwonetsero chazithunzi |
| Data Read | Ntchito yowerengera deta: "WERENGANI" chiwonetsero chazithunzi |
| Chiwonetsero Chosefukira | Kupitilira muyeso wazosefukira: chiwonetsero chazithunzi za "OL". |
| Mayeso Osokoneza | Dziwani chizindikiro chosokoneza basi, wnkhukukusokoneza mphamvukuposa5V,pali "PHOKOSO” chidziwitso cha alarm |
| Kuyesa kwapansi kothandizira | 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ) |
| Ntchito Alamu | Pamene muyeso woyezera uposa mtengo wokhazikitsa ma alarm, paliphokosoalamu |
| Mphamvu ya Battery | Pamene mphamvu ya batri imatsika mpaka pafupifupi 7.5V, chizindikiro chotsika cha batri" ”chiwonetsa, kukumbutsakulipira |
| Kugwiritsa Ntchito Mphamvu | Yembekezera:za20mA (Backlight yazimitsidwa) |
| Kuwala kwambuyo:ku 45mA(Backlight yatseka 25mA) | |
| Kuyeza:za 100mA (Backlight yatsekedwa) | |
| Kulemera | Kulemera konse ndi thumba: 4.5kg |
| Woyesapa: 950g (kuphatikiza batri) | |
| Mawaya Oyeserazaka: 1560g | |
| Ndodo yothandizira nthakapa: 935g (4PCS) | |
| Kutentha kwa Ntchito & Chinyezi | -10 ℃-40 ℃, pansi pa 80% rh |
| Kutentha kosungira & chinyezi | -20 ℃-60 ℃, pansi pa 70% rh |
| Chitetezo Chowonjezera | Kuyeza kukana kwa nthaka: pakati pa makulidwe aliwonse aC(H)-E,P(S)-ES, AC 280V/3 masekondi |
| Kukana kwa Insulation | Zatha20MΩ (pakati pa dera ndi mpanda ndi 500V) |
| Kulimbana ndi Voltage | AC 3700V/rms (Pakati pa dera ndi mpanda) |
| Electromagnetic Features | IEC61326 (EMC) |
| Mtundu wa Chitetezo | IEC61010-1 (CATIII 300 V, CAT IV 150V, digiri ya kuipitsa2); IEC61010-031; IEC61557-1(Kukaniza Padziko Lapansi); IEC61557-5 (Kukaniza Nthaka); JJG 366-2004 |
3. Basic zolakwika ndi ntchito pansi muyezo muyezo
| Zinthu | Muyezo osiyanasiyana | Kulondola | Kusamvana |
| Kukana kwapadziko (R) | 0.00Ω～30.00Ω | ±2%rdg±3dgt | 0.01Ω |
| 30.0Ω～300.0Ω | ±2%rdg±3dgt | 0.1 Ω | |
| 300Ω pa～3000Ω | ±2%rdg±3dgt | 1 Ω pa | |
| 3.00kΩ～30.00kΩ | ± 4%rdg±3dgt | 10Ω pa | |
| Kulimbana ndi nthaka (ρ) | 0.00Ωm～99.99mm | Malinga ndi kulondola kwa R(ρ=2πaR ndi: 1m-100m; π=3.14) | 0.01Ωm |
| 100.0Ωm～999.9mm | 0.1mm | ||
| 1000Ωm～9999m pa | 1mm | ||
| 10.00kΩm～99.99 kΩm | 10 m | ||
| 100.0kΩm～999.9 kΩm | 100Ωm | ||
| 1000kΩm～9000kΩm | 1 kmm | ||
| Voltage yapadziko lapansi | AC 0.0～600V | ±2% rdg±3dgt pa | 0.1 V |
Ndemanga:1. zolakwika zowonjezera: ≤± 3%rdg ± 5dgt pansi pa rC max kapena rP max.(rC kukula: 4kΩ+100R＜50kΩ, rP Max: 4kΩ+100R＜50kΩ)
2. zolakwika zowonjezera: ≤± 5%rdg ± 5dgt pansi pa 5V kusokoneza voteji
