ETCR3000B-pile resistance | Soil resistivity | 234 wire grounding resistance Tester

ETCR3000B-pile resistance | Soil resistivity | 234 wire grounding resistance Tester

1+
3300 CNY (480.49USD)
2+
3200 CNY (465.93USD)

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Product parameters:

  • Customized processing: no
  • Type of grounding resistance measuring instrument
  • Brand: Shanghai macro
  • Model: ETCR3000B
  • Measuring range: 0


Product features
1. 2-wire, 3-wire, 4-wire method of grounding resistance measurement of soil resistivity, ground voltage, AC voltage measurement
2. The Import FFT (Fast Fourier transform), AFC (automatic frequency control) technology, has a unique anti-jamming capabilities and adapting to the environment, repeat the test uniform strong, ensure high accuracy of measurements, high stability and reliability.
3. Main unit LCD display, screen backlight, bar graph indicates that, at a glance.
4. Alarm function.
5. Data storage, can store up to 300 sets of data.
6. RS232 interface data transmission, storage can upload data into the computer, save the print.
Function
234 wire grounding resistance measurement of soil resistivity; Ground voltage, AC voltage measurement
Power supply
DC 9V (R14S 1.5V 6 zinc manganese dry battery section, continuous standby 300 hours)
Range
Ground resistance: 0.00 ~ 30.00k ω ω
Soil resistivity: 0.00 m~ ω 9000k ω m
Measurement mode
Precise 4-wire, 3-wire measurement, simple 2-wire measurement of grounding resistance
Methods of measurement
Ground resistance: rated current pole method, measuring current: 20mA Max
Soil resistivity: quadrupole law (Wenner method)
Voltage: average value rectifier (P(S)-ES Interface)
Testing frequency
128Hz/111Hz/105Hz/94Hz(AFC)
Short-circuit test current
AC 20mA max
Open the test voltage
AC 40V max
Test voltage waveform
Sine wave
Range of electrode spacing
Set 1M~ 100m
Shift
Ground resistance: 0.00 ~ 30.00k fully automatic shifting
Soil resistivity: 0.00 ω m~ 9000k m fully automatic shifting
Display mode
4King size LCD display, control white screen backlight
Measuring instructions
Measurement of LED flashing, LCD count down, the progress bar indicates
LCD size
128mm×75mm; LCD display field: 124mmx67mm
Meter size
High thickness: 215mmx190mmx95mm
Standard test line
Section 4: Red 20m, black 20m, yellow 10m, green 10m 1
Simple testing line
Article 2: the Red 1.6m, black 1.6m 1
Auxiliary grounding rods
4: φ 10mmx150mm
Measuring time
Voltage to ground: about 3 times per second
Ground resistance, soil resistivity: about 5 seconds/second
Measurement frequency
More than 5,000 times (short circuit test, measuring 1, stop for 30 seconds then again)
Line voltage
Measurement of AC 600V
RS232 interface
With RS232 interface, software control, stores can upload data into the computer, save the print
Communication line
RS232 communication line 1, 1.5M
Data storage
300 groups 'MEM ' Storage instructions, showFULL ' Symbol indicates that storage is full
Data retention
Keep data 'HOLD ' Symbol indicates
Data access
When you read data 'READ ' Symbol indicates
Overflow display
Overrange overflow 'OL ' Symbol indicates
Interference test
Automatic identification of interfering signals, interference voltage higher than 5V 'NOISE ' Symbol indicates
Auxiliary ground test
With auxiliary grounding resistance test function, 0.00K Ω~ 30kΩ(100R+rC ﹤50k Ω, 100R+rP ﹤50k Ω)
Alarm function
When the measured value exceeds the alarm set point, the ' beep – beep – beep--' alarm
Battery voltage
When the battery voltage drops to about 7.5VWhen the battery low symbol display, reminder to replace the battery
Power consumption
Standby: 20mA (backlight off)
Power the backlight turns off: 45mA (backlight off 25mA)
Measurements: approximately 100mA (backlight off)
Quality
4.5kg (including packaging)
Working temperature and humidity
-10 ℃ ~ 40 ℃; 80%RH the following
Storage temperature and humidity
-20 ℃ ~ 60 ℃; 70%RH the following
Overload protection
Grounding resistance measurement: C(H)-E , P(S)-ES Each port AC 280V/3 seconds
Insulation resistance
20MΩOr more (500V between circuits and shell)
Pressure resistance
AC 3700V/rms (between circuits and housing)
Electromagnetic properties
IEC61326(EMC)
For safety
IEC61010-1 (CAT III 300V, CAT IV 150V, pollution degree 2); IEC61010-031; IEC61557-1 (resistance); IEC61557-5 (dist); JJG 366-2004.
Supplied accessories
Instrumentation: 1; Grounding pin: 4; Test line: 4; Simple test line: 2; RS232 communication cable: 1; Discs: 1; Enclosures: 1 PC