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UT572 is an intelligent device for measuring earth resistance and soil resistivity (specific earth resistance). The device is widely used in the design and testing of earthing systems for new electrical installations and lightning conductors in construction, industry, substations, telecommunications, etc.
Using the methods of 2-wire, 3-wire, 4-wire measurement and generation of measuring voltage with frequencies 94Hz and 128Hz, it can determine the earth resistance (Re), specific earth resistance (ρ), voltage and frequency of interfering induced signals Ust and Fst.
The device is designed with a new look, with a large backlit multifunction display. It has a durable cover with double and reinforced insulation. This device has been designed, manufactured and tested according to safety standards IEC61010 (Safety requirements for electrical equipment) in the category of overvoltage CATIII 300V, EN61010-2-033, EN 61010-031.
Product parameters :
- maximum display: 9999 - backlit multifunction LCD display with dimensions: 125 mm × 37 mm - the display shows: function modes, values, units and symbols - switching of functions and ranges: rotary 8-position switch - soil resistivity measurement method (ρ): 2-wire, 3-wire and 4-wire - earth resistance test: RK, RH, RS - display of interference voltage Ust: up to 50V / AC / DC - display of interfering frequency Fst: in the range of 40 to 500Hz - test signal frequency: 94Hz and / or 128Hz - range of distances between probes: 1m to 40m - memory storage: up to 20 measurement sets - power supply: 8 pcs 1.5V AA alkaline batteries - battery status display: yes, if it drops below 9.5V, then replace the batteries - automatic shut-off on inactivity: yes, it switches itself off after 5 minutes - overload protection
Measurement of specific soil resistance (ρ) in ranges: 4Ω, 40Ω, 400Ω, 4kΩ, 40kΩ, max. 1000kΩm measurement accuracy (ρ) depending on the test result Re: ρ = 2 × π × L × Re
Measurement of interfering signals amplitude / resolution / measurement accuracy range (Ust) 1 to 50Vrms / 1V / ± (3% + 3)
frequency range / resolution / measurement accuracy (Fst) 40Hz to 500Hz / 1Hz / ± (1% + 2)
Other parameters :
- multifunctional backlit LCD display with dimensions: 125 × 37 mm - test signal frequency: 94Hz and / or 128Hz - range of distances between probes: 1m to 40m - memory storage: up to 20 measurement sets - overload protection: 220V / AC for 10s between terminals E-S, E-H - insulation impedance between circuits on PCB and cover: ≥ 50MΩ (1000V) - voltage resistance between the circuits on the PCB and the cover: 3540V / AC50 / 60Hz form 5s, without spark - power supply: alkaline batteries AA 1.5V, 8 pieces - automatic shut-off when idle: yes, after 5 minutes - low battery indication: yes, at ≤ 9.5V - working environment: temperature 0 ° C to + 40 ° C, humidity max. 80% RH, n.m.v. ≤ 2000 - storage environment: temperature -20 ° C to + 60 ° C, humidity ≤ 75% RH - device dimensions: 210 x 175 x 90mm - weight: 1.1kg (including batteries) - device color: red and gray
Contents of individual packaging:
- device UT572: 1pc - green precision test cable, 5m with crocodile clip: 1pc - yellow precision test cable, 10m with crocodile clip: 1pc - red precision test cable, 20m with crocodile clip: 1pc - black precision test cable, 20m with crocodile clip: 1pc - red precision test cable, 40m with crocodile clip: 1pc - simple test cables with crocodile clip: 2pcs - ground pin (probe) approx. 20 cm long: 4pcs - alkaline battery 1.5V AA: 8pcs - case: 1pc - instructions for use: 1pc
Wholesale packaging :
- standard quantity per carton: 2pcs - dimensions of standard carton: 475 x 378 x 335 mm (0.064 CBM) - standard total carton weight: 14kg
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