UT520 series earth resistance tester has the functions of backlight display, low battery display, data hold, data storage, auto power off and power saving. It can not only be used for accurate three-wire measurement but also simple two-wire measurement. Earth Resistance Meter UNI-T UT521 can also measure the earth voltage. Earth Resistance Meter UT521 is applicable to testing operating earth systems of smelting, communication, manufacture, fossil oil, national defense, electricity, chemical industry and construction.
Specifications
|
Range
|
Accuracy
|
Model
|
|
UT521
|
Earth Resistance(Ω)
|
Ω~20Ω
|
±(2%+10)
|
Ω~200Ω
|
±(2%+3)
|
0~2000Ω
|
±(2%+3)
|
AC Earth Resistance (V)
|
0~200V
|
±(1%+4)
|
Frequency:50Hz/60Hz
|
√
|
Features
|
Display Count
|
|
2000
|
Manual Range
|
|
√
|
Auto Power Off
|
About 10 minutes
|
√
|
Low Battery Indication
|
|
√
|
Data Hold
|
|
√
|
Data Storage
|
|
20
|
LCD Backlight
|
|
√
|
Full Icon Display
|
|
√
|
Double Insulation Protection
|
|
√
|
Contact Badness Indication
|
Port C or Port E don’t contact display”---Ω”
|
√
|
Overload Indication
|
Display “OL”
|
√
|
Simple 2-Wires Testing
|
|
√
|
Precision 3-Wires Testing
|
|
√
|
General Characteristics
|
Power
|
1.5V Batteries (5#) X 6
|
LCD Size
|
70.6mm X 34mm
|
Product Color
|
Red and grey
|
Product Net Weight
|
560g
|
Product Size
|
160mm X 100mm X 70.5mm
|
Accessories
|
Batteries, carrying bag, simple test lead, test lead, test probe
|
Standard Individual Packing
|
Gift box, manual
|
Standard Quantity Per Carton
|
8pcs
|
Standard Carton Measurement
|
615mm X 530mm X 190mm
|
Standard Carton Gross Weight
|
15kg
|