It is a device that may immediately uncover problems such as corroded connections, loose bolts, unintentional connections, or separations by measuring whether things that should be linked to the earthing system are correctly bonded.
UT520 series can perform precise 3-wire and simple 2-wire earth resistance measurement for power and electrical systems, lightning protection equipment, and ground system of all electrical equipment.
This series is UNI-T’s introductory earth resistance tester with high economic value. Its light weight design is convenient for field work.
Specifications
Range
UT522
Earth resistance (Ω)
0~40Ω
±(2%+20)
0~400Ω
±(2%+3)
0~4000Ω
±(2%+3)
AC earth voltage (V)
0~400V
±(1%+6)
Frequency: 50Hz/60Hz
√
Features
Display count
4000
Manual range
√
Auto power off
Around 10 minutes
√
Low battery indication
√
Data hold
√
Data storage
20
LCD backlight
√
Full icon display
√
Double insulation protection
√
Poor contact display
"...Ω"
√
Over-range display
Display "OL"
√
Simple 2-wire testing
√
Precise 3-wire testing
√
General Characterisitics
Power
1.5V battery (LR6) x 6
Display
70.6mm x 34mm
Product color
Red and grey
Product net weight
560g
Product size
160mm x 100mm x 70.5mm
Standard accessories
Batteries, simple test leads with alligator clips, standard test leads with alligator clips, earth spike, gallus
Standard individual packing
Gift box, carrying bag, English manual
Standard quantity per carton
8pcs
Standard carton measurement
530mm x 300mm x 350mm (0.056 CBM per standard carton)
UT520 series can perform precise 3-wire and simple 2-wire earth resistance measurement for power and electrical systems, lightning protection equipment, and ground system of all electrical equipment.
This series is UNI-T’s introductory earth resistance tester with high economic value. Its light weight design is convenient for field work.
Specifications
Range
UT521
Earth resistance (Ω)
0~20Ω
±(2%+10)
0~200Ω
±(2%+3)
0~2000Ω
±(2%+3)
AC earth voltage (V)
0~200V
±(1%+4)
Frequency: 50Hz/60Hz
√
Features
Display count
2000
Manual range
√
Auto power off
Around 10 minutes
√
Low battery indication
√
Data hold
√
Data storage
20
LCD backlight
√
Full icon display
√
Double insulation protection
√
Poor contact display
"...Ω"
√
Over-range display
Display "OL"
√
Simple 2-wire testing
√
Precise 3-wire testing
√
General Characterisitics
Power
1.5V battery (LR6) x 6
Display
70.6mm x 34mm
Product color
Red and grey
Product net weight
560g
Product size
160mm x 100mm x 70.5mm
Standard accessories
Batteries, simple test leads with alligator clips, standard test leads with alligator clips, earth spike, gallus
Standard individual packing
Gift box, carrying bag, English manual
Standard quantity per carton
8pcs
Standard carton measurement
530mm x 300mm x 350mm (0.056 CBM per standard carton)
Standard carton gross weight
19kg
Cash on delivery available
Returns not allowed
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