Display Type: | Digital Only |
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Certification: | RoHS, CE |
Customized: | Customized |
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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
Function |
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 |
-10ºC~40ºC;below 80%rh |
Storage temperature and humidity |
-20ºC~60ºC;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 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 |