모델명 : ETCR3000
원산지 : 중국
브랜드 : ETCR
Model | ETCR3000 |
Function | Earth resistance measurement, Earth voltage measurement, Low resistance measurement |
Power Supply | DC 9V (Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours ) |
Measuring Mode | Precise 3-pole measurement, simple 2-pole measurement |
Measuring Method | Earth ground resistance: constant current change-pole method, measurement current 3mA Max，820Hz； Voltage to ground: average value rectification |
Data Mode | Average value, maximum, minimum |
Wire Resistance Verification | Avoid error caused by testing wire such as failed to be fully inserted into tester interface or by poor contact or by user’ s replacing or lengthening testing wires, making it more accurate for earth ground resistance measurement. |
Display Mode | 4-digital super-large LCD display, blue screen backlight, LCD dimension: 128mm×75mm；Display field：124mm×67mm |
Measuring Indication | During measurement, LED flash indicator, LCD count down display |
Earth Ground Resistance | Range：0.01Ω～2000Ω；Resolution：0.01Ω；Accuracy：±1%rdg±3dgt |
Earth Ground Voltage | Range：0V～600V AC；Resolution：1V；Accuracy：±1%rdg±3dgt |
Tester Dimension | LWH：215mm×190mm×95mm |
Testing Wires | Three wires: each for Red 20m, Yellow 10m, and Green 5m |
Simple Testing Wire | 2 wires: each for Red 1.6m and Green 1.6m |
Auxiliary Earthing Rod | 2 PCS: Φ10mm×150mm |
Measuring Rate | Earth voltage measurement: 3 times/second; Earth resistance: 5 seconds/time |
Measuring Times | Over 5000 times (20Ω range measuring 10Ω for one time and repeat after 25 seconds) |
Circuit Voltage | Measuring voltage to ground: measuring below AC 600V |
RS232 Interface | Possess RS232 interface, software supervision, storage data can be uploaded to computer, preserved and printed. |
Communication Wire | One piece of RS232 communication wire, with length 1.5m |
Data Storage | 400 sets, flash display “FULL”icon to indicate storage is full |
Data Hold | Data hold function: “HOLD”icon display |
Data Read | Data read function: “READ” icon display |
Overflow Display | Exceeding measuring range overflow function: “OL”icon display |
Alarm Function | When measuring value exceeds alarm setting value, there is “Toot-toot-toot” alarm hint |
Battery Voltage | When battery voltage decreases to about 7.8V, battery voltage low icon “ ”will display, reminding to replace battery. |
Power Consumption | Backlight：25mA Max；Standby: 25mA Max(Backlight shut off)；Measurement：70mA Max(Backlight shut off) |
Weight | 1443g(with batteries) |
Working Temperature & Humidity | -10℃～40℃；below 80%rh |
Storage Temperature & Humidity | -20℃～60℃；below 70%rh |
Overload Protection | Measuring earth ground resistance: between each interfaces of E-P、E-C, AC 280V/3 seconds |
Insulation Resistance | Over 10MΩ(between circuit and enclosure it is 500V) |
Withstanding Voltage | AC 3700V/rms (Between circuit and enclosure) |
Electromagnetic Features | IEC61010-4-3，Wireless frequency electromagnetic field≤1V/m |
Protection Type | IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、CAT Ⅲ 300V Pollution etc. |
Accessories | Tester：1PC；Earthing Rod：2PCS；Testing Wire：3PCS；Simple testing wire：2PCS； RS232 Com-cable：1PC；Software disk：1PC；Tester bag：1PC |
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