HT Instruments MACROTESTG1


HT Instruments MACROTESTG1

  HT Instruments MACROTESTG1  " Ground Resistance and Bonding Continuity Tester. "



  • Earth resistance and soil resistivity with 2/3/4 pole method
  • Stackless earth ground resistance (with T2100 optional accessory)
  • Power Analysis, Harmonic analysis up to 25th
  • Continuity of protection conductors with 200mA
  • Built-in WiFi interface to connect to iOS and Android devices
  • USB interface to connect to the PC
  • Color touch-screen display
  • Help on-line
  • Internal memory and Cloud Storage (trough iOS or Android device)
  • Rechargeable NiMH batteries (external battery charger)
Tech specs
Continuity with 200mA
Measuring range 0,01Ω÷99.9Ω
Accuracy ±(5.0% reading + 3 digits)
Test current > 200mA (R ≤ 2Ω)
Open circuit voltage 4V ≤ V0≤ 12V
Insulation resistance
Test voltage 50, 100, 250, 500, 1000VDC
Measuring range 0.01MΩ ÷ 99.9MΩ (50V)
0.01MΩ ÷ 199.9MΩ (100V)
0.01MΩ ÷ 499MΩ (250V)
0.01MΩ ÷ 999MΩ (500V)
0.01MΩ ÷ 1999MΩ (1000V)
Basic accuracy ±(2.0% reading + 2 digits)
Test current > 1mA on 1kΩ x Vnom (50,100, 250, 1kV)
> 2.2mA on 230kΩ @ 500V
Short circuit current <6.0ma for="" each="" test="" voltage="" td="">
Line/Loop Impedance (L-L, L-N, L-PE)
Measuring range 0.01Ω ÷ 199.9Ω
Resolution 0.01Ω min (0.1mΩ with optional accessory IMP57)
Accuracy ±(5.0% reading + 3 digits)
Test voltage 100÷265V (L-N) / 100÷460V (L-L), 50/60Hz
Maximum test current 5.81A (@265V); 10.10A (@457V)
Selectable MCB protections curves B, C, D, K
Selectable fuse protections type aM and gG
Insulating material (test I2t) PVC, butyl rubber, EPR, XLPE
Earth resistance and ground resistivity
Measuring range R 0.01Ω ÷ 49.99kΩ
Measuring range 0.60Ωm÷3.14MΩm
Accuracy ±(5.0%reading + 3digits)
Test current 10mA, 77.5Hz
Open circuit voltage <20Vrms
Measurement of environmental parameters (with optional probes)
Air temperature (°C/°F) -20.0 ÷ 60.0 °C / -4.0 ÷ 140.0 °F
Relative humidity 0% ÷ 100%RH
Illuminance (Lux) 0.001lux ÷ 20klux
Accuracy ±(2.0% reading + 2 digits)


General Specifications
Power supply 6x1.2V rechargeable type AA NiMH
or 6x1.5V type AA alkaline
Battery life > 550 test (alKaline)
Display 320x240 resistive color LCD with touch screen
Memory 999 locations, 3 marker levels
PC interface optical/USB and Wi-Fi (with optional accessory C2013)
Dimensions (L x D x H) 225 x 165 x 75 mm / 8.8 x 6.5 x 2.9 in
Weight (including batteries) 1.2 kg / 2.5 lb
Safety IEC/EN61010-1, double insulation
Pollution degree 2
Mechanical protection CAT III 240V, max 415V among inputs
Reference standards IEC/EN61557-1-2-3-4-5-6-7
Working temperature 0°÷ 40°C / 32°÷104°F
Working humidity <80%RH
Storage temp. -10°÷ 60°C / 14°÷140°F
Storage humidity <80%RH
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  • HT Instruments MACROTESTG1