Feature of ETCR3000C
- With the unique function of wire resistance verification
- Package with waterproof protection box, waterproof,crash-proof,anti-drop, and durable
- The large LCD of the host machine with a white backlight
- Anti-interference capability and environmental adaptability, low grounding resistance measurement
- Alarm function, overload protection function, auto shutdown, and data upload function.
Specification of ETCR3000C
| Function | Measurement of earth resistance, voltage to earth, low value resistance |
| Power Supply | DC 7.4V 2600mAh rechargeable lithium battery, full of about 8.4V |
| Backlight | Controllable screen backlight, suitable for dim places |
| Measuring Mode | Precision 3-wire measurement, simple 2-wire measurement |
| Measuring Method | Earth Resistance: rated current change-pole method, measurement current 20mA Max; Earth Voltage: Average rectification |
| Test Frequency | 128Hz/111Hz/105Hz/94Hz(AFC) |
| Test Current | >20mA (sine wave) |
| Data Mode | Average value, maximum value, minimum value |
| Wire Resistance Verification | To avoid errors caused by incomplete insertion of test wire into instrument interface or poor contact or replacement of extended test wire by users, so as to make the grounding resistance measurement more accurate |
| Display mode | 4-digital super-large LCD display, white screen backlight |
| Measure indicator | LED flash indicator and LCD count down display in measurement |
| LCD Dimension | 128mm×75mm; display area:124mmX67mm |
| Meter Dimension | 280mm(L)×260mm(W)×160mm(H) |
| Test Wires | 3 wires: each for red 15m, yellow 10m, and green 5m |
| Simple Test Wire | 2 wires: each for red 1.6m and black 1.6m |
| Auxiliary Grounding Rod | 2PCS: Φ10mm×150mm |
| Measuring Rate | Earth Voltage: about 3 times/second; Earth resistance: about 15 seconds/time |
| Measuring Times | Over 5000 times |
| Line Voltage | Measurement of earth voltage: below AC 600V |
| Communication Interface | With USB interface, software monitoring, storage data can be uploaded to computer, saved or printed. |
| Communication Wire | One piece of USB communication wire, wire length 1.5m |
| Data Storage | 400 sets, “FULL” symbol flash display storage is full |
| Data Hold | Data hold function: “HOLD” symbol display |
| Data Access | Data read function: “READ” symbol display |
| Overflow Display | Exceed measuring range overflow function: “OL” symbol display |
| Alarm Function | Measuring value exceeds alarm setting value, will “Toot-toot-toot” alarm hint |
| Auto-shut off | Automatically shut down after 10 minutes of power on |
| Battery Voltage | While battery voltage decreases to around 7.2V±0.1V, will display battery voltage low symbol“ ”, and remind to charging the battery |
| Power Consumption | Backlight: 25mA Max; Standby: 25mA Max(Backlight shut down ); Measurement: 200mA Max(Backlight shut off) |
| Weight | Tester: 2.29kg; Test wires: 0.847g(include the simple test wires); Auxiliary Grounding Rod:0.468kg(2pcs); Tester package: 0.915kg |
| Working Temperature & Humidity | -10℃-40℃, below 80%rh |
| Storage temperature & humidity | -20℃-60℃, below 70%rh |
| Protection Level | IP65(close the case) |
| Overload Protection | Measure earth resistance: between each interfaces of C(H)-E?P(S)-ES, AC 280V/3 seconds |
| Insulation Resistance | Over 10MΩ (between circuit and outside shell is 500V) |
| Withstanding Voltage | AC 3700V/rms. (Between circuit and outside shell) |
| Electromagnetic Features | IEC61010-4-3,wireless frequency electromagnetic field?1V/m |
| Protection Type | IEC61010-1 (CATIII 300V, CAT IV 150V, Pollution 2); IEC61010-031; IEC61557-1 (Earth resistance); |
