Please check the brand "DXX-HR" If you see the same brand products elsewhere, they are all fakes.
Functional Grounding Resistance Test, Loop Resistance Test
Power Supply: 4 pcs x AA alkaline batteries 6 V DC
Resistance Value Range: 0.01-1200Ω
Resistance Resolution: 0.001Ω
Maximum Resistance Accuracy: ±1%±0.01Ω
Current Range: 0.00mAh - 20.0A
Current Resolution 0.05mA
Maximum current accuracy ±2.5%±1mA
99 Sets of Data Memory
Alarm threshold value setting range resistance: 1-199Ω
Alarm sounds and light "Beep Beep" alarm sounds, alarm symbol flashing, press AL key turn on alarm and set alarm threshold.
Interference Signal Recognition
"Beep Beep" sound, Noise Symbol Flashing
Working temperature and humidity -20°C-55°C, 20%RH-90%RH
LCD Screen 4 Digit LCD Display, Screen L x W: 1.9 x 1.1 inches (47 x 28.5 mm)
Clamp Size: 2.6 x 1.3 inches (65 x 32 mm)
Clamp opening extension 1.3 inches (32 mm)
Tester Weight: 2.5 lbs (1,160 g).
Clamp Dimensions (L x W x H): 11.2 x 3.3 x 2.2 inches (285 x 85 x 56 mm)
Dual insulation for protection
Structural Features Clamp CT
Auto-shift shift
External magnetic field 40A/m
External electric field 1V/m
Single measuring time 0.5 seconds
Resistance measurement frequency: 1 kHz.
Automatic measurement of current frequency of 50/60Hz
Low battery indicator; Low battery symbol; Battery is low, then 5.3V
Memory full display MEM symbol flashes to fill all 99 sets of memory
Over range display display out: OLΩ, L0.01, or OL A.
5 minutes after boot up auto power off.
Power consumption up to 50 mAh, working continuously for 30 hours, boot up or running normally
Data stored in RS232 interface (optional)Meter is uploaded to your computer via RS232 interface and data lines, then generate report files
Safety measures: IEC1010-1, IEC1010-2-032, pollution level 2, CAT III (150V)
Accessory Meter: 1 piece, Test Ring: 1 pc, Total Suitcase: 1 pc.