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category： Resistance Meters
HT3001 Soil resistivity grounding resistance tester
I. Product Introduction
HT3001 soil resistivity grounding resistance tester, also called the soil resistivity tester, is a commonly used instrument for measuring commonly used grounding resistance meters.
II. Technical Specification
1.Range and Accuracy error
Measurement function | Measurement range | Accuracy | Resolution |
Grounding resistance (R) | 0.00Ω~30.00Ω | ±2%rdg±5dgt (remark 1) | 0.01Ω |
30.0Ω~300.0Ω | ±2%rdg±3dgt | 0.1Ω | |
300Ω~3000Ω | ±2%rdg±3dgt | 1Ω | |
3.00kΩ~30.00kΩ | ±2%rdg±3dgt | 10Ω | |
Soil resistivity (ρ)
| 0.00Ωm~99.99Ωm | ρ=2πaR (remark 2) | 0.01Ωm |
100.0Ωm~999.9Ωm | 0.1Ωm | ||
1000Ωm~9999Ωm | 1Ωm | ||
10.00kΩm~99.99kΩm | 10Ωm | ||
100.0kΩm~999.9kΩm | 100Ωm | ||
1000kΩm~9999kΩm | 1kΩm | ||
Grounding voltage | AC 0.00~100.0V | ±2%rdg±3dgt | 0.01V |
Remark:
1. Reference conditions: accuracy with Rh Rs < 100Ω.
Working conditions:Rh max=3kΩ+100R<50kΩ;Rs max=3kΩ+100R<50kΩ
2.Depends on the measurement accuracy of R,π=3.14, a:1 m~100m
2.General specification
Two three four-wire measure grounding resistance, soil resistivity; Ground voltage, AC voltage measurement | |
Range | Grounding resistance: 0.00Ω~30.00kΩ |
Soil resistivity: 0.00Ωm~9999kΩm | |
Grounding voltage: 0.00V~100.0V | |
measurement mode | Precise four-wire, three-wire measurement, simple two-wire measurement |
Measurement methods | Grounding resistance: rated current change pole method Soil resistivity: four-pole method Ground Voltage: Average Rectification(between S-ES interface) |
Test frequency | 128Hz |
Short circuit test current | > 20mA (Sine Wave) |
Open circuit test voltage | AC 28V max |
Electrode spacing range | Can be set 1m ~ 100m |
Change gear | fully automatic shifting 0.00Ω ~ 30.00kΩ |
fully automatic shifting 0.00 Ωm~9000kΩm | |
Backlight | Controllable gray screen backlight, suitable for use in dim places |
Display mode | 4-bit large LCD display, gray screen backlight |
Measurement instructions | LED flashing indicator during measurement |
LCD size | 111mm×68mm |
LCD display field | 108mm×65mm |
Instrument size | L/W/H:277.2mm×227.5mm×153mm |
Standard test line length | 4 strips:red 15m,black 15m, yellow 10m,green 10m each one |
Simple test line | 2strips:yellow 1.6m,green 1.6m each one |
Auxiliary Grounding rod | 4PCS:φ10mm×200mm |
Power consumption | Standby: 40mA Max(Backlight off) |
Turn on backlight: about 43mA | |
measuring:75mA Max(Backlight off) | |
Weight | Instrument: 2450(including battery) |
Test lines:1300g | |
Auxiliary grounding rod: 850g(4PCS) | |
Working temperature and humidity | -10℃~40℃;below 80%rh |
Storage temperature and humidity | -20℃~60℃;below 70%rh |
Overload protection | Grounding resistance:AC 280V/3 seconds between H-E and S-ES ports |
Insulation resistance | More than20MΩ(500V between circuit and housing) |
Pressure resistance | AC 3700V/rms(between circuit and housing) |
Electromagnetic properties | IEC61326(EMC) |
Suitable for safety regulations | IEC61010-1(CAT Ⅲ 300V,CAT IV 150V,pollution level 2); IEC61010-031; IEC61557-1(grounding resistance); IEC61557-5(soil resistivity); JJG 366-2004. |
III. Accessories
Instrument | 1PC |
Instrument Box | 1PC |
Auxiliary grounding rod | 4PCS |
Standard test line | 4 Strips(red 15m;yellow 10m;green 10m;black 15m, each one) |
Simple test line | 2 Strips(yellow 1.6m;green 1.6m) |
6VLead-acid battery (internal) | 1PC |
Charger | 1PC |
Monitoring software CD | 1PC |
USB communication line | 1PC |
Manual, certificate | 1SET |
