Function | Earth ground resistance measurement, voltage to ground measurement, low value resistance measurement |
Power Supply | DC 9V(Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours ) |
Backlight | Controllable blue backlight, suitable for use in dark place. |
Measuring Mode | Precise 3-pole measurement, simple 2-pole measurement |
Measuring Method | Earth ground resistance: rated 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 that is failed to be fully inserted in o tester interface or by poor contact or by users’ 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 |
Measuring indicator | During measurement, LED flash indicator, LCD count down display |
LCD Dimension | 128mm×75mm;Display field:124mm×67mm |
Dimension | L×W×H: 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 grounding rod | 2 PCS:Φ10mm×150mm |
Measuring Rate | Voltage to ground: about 3 times/second; earth ground resistance: about 5 seconds/time |
Measuring Times | Over 5000 times (Measuring 10Ω for one time on 20Ω range and take a pause for 25s) |
Circuit Voltage | Measuring voltage to ground: measuring below AC 600V |
RS232 Interface | Possess RS232 interface, software supervision, storage data can be uploaded to computer, saved or 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 | Tester:1443g(including battery) |
WorkingTemperature & 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 | Wireless frequency electromagnetic field |
Protection Type | IEC61010-1,IEC1010-2-31,IEC61557-1,5,IEC60529(IP54),Pollution etc. 2,CAT Ⅲ 300V |
Accessories | Tester:1 pc; Ground rod:2 pcs; Testing wire: 3 pcs ;Simple testing wire: 2 pcs; RS232 line:1 pc; Software disk: 1 pc; Tester bag:1 pc |