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Model
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ETCR3000C Digital Earth Resistance Tester
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Earth Resistance
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Accuracy:±2%rdgt3dgtRange:0.01Q-2000QResolution:0.01Q
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Earth Voltage
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Range:0 ～ 600V AC Resolution:1V Accuracy:±2%rdg±3dgt
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Power Supply
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DC 7.4V 2600mAh rechargeable lithium battery, battery charge full about 8.4V
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lester Dimension
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280mm(L)×260mm(W)×160mm(H)
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Weight
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4520g(with package)
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Measurement Method
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Earth resistance rated current change-pole method, measure curent 20mA Max; Voltage to earth average value recication
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Test Frequency
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128Hz/ 111Hz /105Hz /94Hz (AFC)
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Short Circuit Test Current
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AC 20mA max
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Measurement Time
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Voltage to earth : 3 times/second; Earth resistance: 15 seconds/time
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Data Storage
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400 groups , flash "FULL" symbol indicate storage is full
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Data Hold
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Data hold function: "HOLD" symbol display
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Data Access
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Data access function: "READ" symbol display
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Overflow Display
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Exceed measurement range overflow function: "OL" symbol display
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Auxiliary Ground Rod
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2 PCS: Φ10mm×250mm
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lest VWres
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Red 15m, yellow 10m, green 5m, red 1.6m, black 1.6m (total 5 pcs wires)
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USB Interface
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With USB interface,software monitoring, storage data can be uploaded to computer, saved and printed;data transmission cable length:1.5m
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Wire Resistance Verification
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Avoid errors caused by the test line not fully inserted into the instrument interface or poor contact or the user replaces the lengthened test line, ensure grounding resistance measurement more accurate
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Alarm Function
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Measure value exceed alarm setting value, will "Toot-toot-toot" alarm hint
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Auto Shutdown
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10 Minutes after power on, will automatic shutdown without any operation
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Battery Voltage
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While battery voltage decreases to around 7.2V±0.1V, will display low battery voltage symbol" ", and remind to replace the battery
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Overload Protection
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Earth resistance: between each interfaces of E-P,E-C, AC 280V/3 seconds
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Protection Level
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IP65(close the case status)
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Working Current
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Backlight:25mA Max; Standby: 25mA Max(Backlight close); Measurement : 70mAMax (Backlight close)
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Accessories
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Tester:1PCS; Ground rod:2PCS; Testing wire:3PCS; Simple test wire:2PCS; USB Communication cable :1PCS; Tester bag:1PC; Special charger:1PCS
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