SEW-Taiwan

Sew 2120 ER

FEATURES
● Capable of measuring earth resistance and earth voltage.
● 2mA measuring current permits the testing of earth
   resistance without tripping earth leakage current
   breakers in the circuit under test.
● The leads are supplied as standard accessories for 
   simplified two-wire measuring system.
● 0Ω adjustment.
● Battery operated.
● Data hold function.
● Low battery indication.
● Calibration performed with supplied test leads.
 
  SPECIFICATIONS
     
 
Measuring ranges Earth resistance
0-20Ω / 0-200Ω / 0-2000Ω
Earth voltage
0-200 Vac(40-500Hz)
Accuracy Earth resistance ±(2%rdg+2dgt)
or ±0.1Ω, which is greater
Earth voltage ±(1%rdg+2dgt)
Earth resistance
resolution
0-20Ω : 0.01Ω  
0-200Ω : 0.1Ω  
0-2000Ω : 1Ω
Measuring system Earth Resistance by constant
current inverter 820Hz approx. 2mA
Display 3½ digit (2000 counts)
0Ω adjustment ˇ
Open circuit
indication
LED will be unlit
Low battery
indication
“   “symbol appears on the display
Data hold
indication
   “symbol appears on the display
Over range
indication
“1”(MSD)
Dimensions 210(L) × 210(W) × 100(D)mm
Weight
(battery included)
Approx. 1395g
Power source 1.5V (AA) × 8   
Safety standards IEC/EN 61010-1 CAT III 200V.
IEC 61557-1 IEC 61557-5
EN 61326-1

Location

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