ETCR3000 earthing resistance meter | Digital Earth resistance meter | Digital Earth resistance Tester

1+	2000 CNY (291.21USD)
2+	1900 CNY (276.65USD)

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Product parameters:

Customized processing: no
Type of grounding resistance measuring instrument
Brand: Shanghai macro
Model: ETCR3000
Measuring range: 0

Product features

1. 2-wire/3-wire method of grounding resistance measurement, voltage measurement, low-value resistance measurements.

2. Impedance check function has a unique line, anti-jamming ability and adaptability, on low ground resistance measurement more accurate. 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 400 groups of data.

6. RS232 interface data transmission, storage can upload data into the computer, save the print.

Technical specifications

Function	Earth resistance measurement, voltage measurement, low value resistance measurement
Power supply	DC 9V zinc-manganese dry battery R14S 1.5V 6; Continuous standby 300 hours
Measurement mode	Third-line measuring precision, simple two-wire measurement
Methods of measurement	Ground resistance: rated current pole method, measuring current is 3mA Max, 820Hz; Voltage: average value Rectifier
Data mode	The average value, maximum value, minimum value
Line resistance check	Avoid the test line is not fully inserted into the meter interface, or poor contact or user errors due to replace long test line, The grounding resistance measurement is more accurate.
Display mode	4-digit large LCD display, screen backlight, LCD size: 128mmx75mm; Display field: 124mmx67mm
Measuring instructions	Measurement of blinking LED indicates, LCD counter display
Grounding resistance	Range: ~ 2000 ω 0.01 ω; Resolution: 0.01 ω; Accuracy: ± 1%RDG ± 3dgt
Ground voltage	Range: 0~ 600V AC; Resolution: 1V; Accuracy: ± 1%RDG ± 3dgt
Meter size	High thickness: 215mmx190mmx95mm
Test line	Section 3: Red 20m, yellow 10m, green 5M 1
Simple testing line	Article 2: the Red 1.6m, green 1.6m 1
Auxiliary grounding rods	2 pieces: φ 10mmx150mm
Measuring time	Voltage to ground: 3 times per second; Ground resistance: 5 seconds/second
Measurement frequency	More than 5,000 times (10 ω 20 ω measurement, measuring 1, stop for 25 seconds and then test)
Line voltage	Measure the voltage to ground: 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	400 group, flashes 'FULL ' Symbol indicates that storage is full
Data retention	Data hold function: 'HOLD ' Symbol appears
Data access	Data access functions 'READ ' Symbol appears
Overflow display	Overrange overflow feature: 'OL ' Symbol appears
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 7.8V, the low battery voltage symbol ' ' appears, reminding battery replacement.
Power consumption	Backlight: 25mA Max; Standby: 25mA Max (backlight off); Measurements: 70mA Max (backlight off)
Quality	1443g (including battery)
Working temperature and humidity	-10 ℃ ~ 40 ℃; 80%RH the following
Storage temperature and humidity	-20 ℃ ~ 60 ℃; 70%RH the following
Overload protection	Ground resistance: E-P , E-C Each port AC 280V/3 seconds
Insulation resistance	10M or more (500V between circuits and shell)
Pressure resistance	AC 3700V/rms (between circuits and housing)
Electromagnetic properties	IEC61010-4-3, radio-frequency electromagnetic field ≤ 1V/m
For safety	IEC61010-1, IEC1010-2-31, IEC61557-1,5, IEC60529 (IP54), pollution, 2, CAT III 300V
Supplied accessories	Instrumentation: 1; Grounding pin: 2; Testing: 3; Simple test line: 2; RS232 communication cable: 1; Discs: 1; Instrument bag: 1 PCs