1120ER

Digital Earth Resistance Tester 0-20Ω/0-200Ω/0-2000Ω 0-200VAC(40-500Hz)

 4120ER

 Digital Earth Resistance Tester 0-19.99/0-199.9/0-1999Ω 200V (40~50Hz)

ST-1505

Analog Earth Resistance Tester 0-10Ω/0-100Ω/0-1000Ω 0-30V ac (40-500Hz)

ST-1520

Digital Earth Resistance Tester 0-20Ω/0-200Ω/0-2000Ω 0-200V ac (40-500Hz)

1805ER

Analog Earth Resistance Tester 10Ω/100Ω/1000Ω 0-30V ac (40-500Hz)

1820ER

Digital Earth Resistance Tester 0-20Ω/0-200Ω/0-2000Ω 0-200V ac (40-500Hz)

2105ER

Analog Earth Resistance Tester 12Ω/120Ω/1200Ω 30V AC (40-500Hz)

2120ER

Digital Earth Resistance Tester 0-20Ω/0-200Ω/0-2000Ω ACV 0-200V (40-500Hz)

2705ER

Analog Earth Resistance TesterM10Ω/100Ω/1000Ω 30V

2720ER

Digital Earth Resistance Tester 0-20Ω/0-200Ω/0-2000Ω 200V

4105ER

Analog Earth Resistance Tester 12Ω/120Ω/1200Ω 0-30VAC (40~50Hz)