ES3002 FUZRR
- Stock: Pre-Order
- Model: Double Clamp Multi-function Earth Resistance Tester
Function | Ground resistance、Soil resistivity、DC
resistance、Ground
voltage、AC
current |
Ambient temperature and humidity | 23℃±5℃，below
75%rh |
Interference voltage | <20V (should be avoided) |
Interference current | <2A (should be avoided) |
Measure R electrode spacing | a＞5d |
Measured ρelectrode spacing | a＞20h |
Power | 8.4V lithium battery (built-in) |
Backlight | Controllable backlight, suitable for use in dim
places |
measurement mode | Precise four-wire、 three-wire measurement, simple
two-wire measurement、Selection method, double clamp method for measuring
grounding resistance |
Measurement methods | 2.3.4-wire method measurement: Polarization method,
measuring current 20mA Max Soil resistivity: four-pole method Selectivity Measurement: Polarization Method, Measuring
Current 20mA Max Double clamp method: non-contact mutual inductance
measurement method, test current 1mA Max DC resistance: polarization method AC current: average rectification (clamp) Ground Voltage: Average Rectification(between S-ES
interface) |
Test voltage waveform | Sine wave |
Test frequency | 128Hz |
Short circuit test current | AC 20mA max |
Open circuit test voltage | AC 28V max |
Electrode spacing range | 1m～100m |
Display mode | 4-bit large LCD display, with 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 |
Clamp size | L/T/H：101mm×27mm×214mm |
Test line | 4 strips：red 15m，black 15m, yellow 10m，green 10m each one |
Simple test line | 2strips：yellow 1.5m，green 1.5m each one |
Auxiliary Grounding rod | 4PCS：φ10mm×200mm |
Current clamp | 2PCS：Banana plug |
Current clamp diameter | φ50mm |
Current clamp lead | Length 2m |
Measure time | AC current：about 2 times/sec; Ground voltage：about 2 times/sec; grounding resistance、soil resistivity: about 7
seconds/time |
Line voltage | Measurement below AC100V (ground voltage measurement
function cannot be used to measure commercial power) |
USB interface | With USB interface, storage data can be uploaded to the
computer, save and print |
Communication Line | One USB communication line, 1.5m long |
Data storage | 500 groups, “MEM” storage indicates, flashing “FULL”
symbol indicates that the memory is full |
Data review | Data review function: “MR” symbol display |
Overflow display | Over-range overflow function: “OL” symbol display |
Current clamp low current indication | When measuring by the selection method or the double-clamp
method, when the current signal received by the current clamp A is lower than
0.5 mA, the symbol “ ” is displayed, and at this time, the
clamping direction of the current clamp A should be checked. |
Interference test | Automatic identification of interference signals, “NOISE”
symbol indication when the interference voltage is higher than 5V |
Auxiliary grounding test | With auxiliary ground resistance test function, 0.00KΩ ~
30kΩ (Rh max = 3kΩ +100R <50kΩ; Rs max = 3kΩ +100R <50kΩ) |
Alarm function | Alarm when the measured value exceeds the alarm setting
value |
Battery voltage | Real-time display of battery power, reminding timely
charging when battery voltage is low |
Automatic Shutdown | “APO” Indicates, automatic Shutdown After 15 Minutes |
Power consumption | Standby: 40mA Max(Backlight off) |
| Turn on backlight: 43mA Max |
| measuring：120mA Max(Backlight off) |
Weight | Instrument： 2430g(with battery) |
| Current clamp：940g(2PCS) |
| Test lines：1300g(including simple test line) |
| 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 | 20MΩ以上(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. JJG 366-2004(ground resistance meter)； JJG 1054-2009(Clamp grounding resistance meter) |
