ETCR3000 Digital Ground Earth Resistance Meter Tester 0.01ohm～2000ohm

Specificaiton: 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 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 1.5m and Green 1.5m 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; Power Consumption:Backlight：25mA Max；Standby: 25mA Max(Backlight shut off)；Measurement：70mA Max(Backlight shut off)
• Overload Protection:Measuring earth ground resistance: between each interfaces of E-P、E-C, AC 280V/3 seconds; 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)
• Overflow Display:Exceeding measuring range overflow function: “OL”icon display; 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.
• 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.
• Accessories:Tester: 1PC; Earthing Rod: 2PCS; Testing Wire: 3PCS; Simple testing wire: 2PCS; RS232 Com-cable: 1PC; Software disk: 1PC; Tester bag: 1PC