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GROUNDING RESISTANCE METER UT-522 UNI-T


SWITCH POE IP-8-20-L2 8-PORT ATTE

195.84 EUR
195.84 EUR
243.47 EUR
243.47 EUR
LAN ports:  ...  
  • 2 x RJ45 10/100/1000 Base-TX - Uplink,
  • 8 x RJ45 10/100 Base-TX + PoE (802.3af/at) / Passive PoE  
    • Management:  ...    
    LED diodes:  ...  Power, LAN  
    Resistance measurement:  40 Ω ± (2% + 20)  @ 0.01 Ω ,
    400 Ω ± (2% + 3)  @ 0.1 Ω ,
    4000 Ω ± (2% + 3)  @ 1 Ω
  • Auxiliary resistance : 500 Ω ± 5 %
  • Measuring voltage : ≤ 10 V AC @ ~820 Hz  
    		• ...  
    Transmission speed:  ...  
  • 10 / 100 Mbps : 8 LAN & PoE ports,
  • 10 / 100 / 1000 Mbps : 2 LAN ports  
    • Ground voltage measurement:  400 V ± (1.0% + 6)  @ 1 V  ...  
    Automatic change of measuring ranges:    ...  
    RS-232:    ...  
    USB:    ...  
    Maximal output power:  ...  
  • 40 W @ Passive PoE - 1 ... 8 ports,
  • 30 W @ PoE (802.3at) - 1 ... 8 ports,
  • 15.4 W @ PoE (802.3af) - 1 ... 8 ports  
    • Maximal total power:  ...  96 W  
    Operation temp:  5 °C ... 40 °C  ...  
    Permissible relative humidity:  ≤ 80 % (non-condensing)  ...  
    Main features:  
  • Hold - stopping the meter reading,
  • The measurement can be performed in full or simplified configuration,
  • Warning of poor connection of leads during measurement,
  • Large, readable LCD display with backlight,
  • Low battery level alarm,
  • Aesthetic and solid construction,
  • The set includes a practical case  
  • Supported PoE devices: 802.3af/at, Passive PoE
  • Possibility to connecting in cascade @ 90 W
  • Built-in switching power supply : 48 V DC / 96 W
  • Efficiency : 92 %
  • PSU thermal protection
  • Short-circuit protection
  • Overload protection
  • The ability to independently turn on and off the PoE power for each of the LAN 1 ... LAN 8 ports
  • Electronic fuse independently for each PoE channel
  • The modular design streamlines service tasks and enables quick and easy system expansion
  • The raster system of module assembly facilitates the expansion of the device by further modules
  • The ABOX-L2 mounting enclosure is equipped with 11 cable entries with glands in the 10 x M16 + 1 x M20 arrangement
  • "Index of Protection" : IP56  
    • Power supply:  6 x 1.5V, type AA/LR6/FR6 battery - included  
  • 190  ... 260 V AC - Built-in APS-90-480-OF switching mode power supply  
    • Weight:  0.42 kg  1.04 kg  
    Dimensions:  160  x 100  x 70 mm  248  x 198  x 96 mm  
    Manufacturer / Brand:  UNI-T  ATTE  
    Guarantee:  2 years  3 years