3 Wire (Digital) Earth Resistance Testers

8020 ER

7

AAAA

 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.
● Frequency : 820Hz.
● 0Ω adjustment.
● Battery operated.
● Data hold function.
● Low battery indication.
● Calibration performed with supplied test leads.
● Simplified measurement probe is also provided
for two-wire measuring method.

 

 

 

 

 

 

 

 

 

 

3 Wire (Digital) Earth Resistance Tester

1620 ER

8

AAAA

 FEATURES
● Microprocessor-controlled.
● Measures earth resistance in three ranges : 40Ω, 400Ω, 4kΩ.
● Capable of measuring earth voltage.
● 3 ¾ digit (4000 counts).
● LCD backlight display.
● 2mA measuring current permits the testing of earth
resistance without tripping earth leakage current
breakers in the circuit under test.
● Data hold function.
● Relative function.
● Auto power-off function.
● Low battery indication.
● Calibration performed with supplied test leads.

 

 

 

 

 

 

 

 

 

 

3 Wire (Digital) Earth Resistance Tester

ST-1520

9

AAAA

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.
● Auto power off function.
● The timer operates automatically for about three to five minutes
when the “PUSH BUTTON SWITCH” and “TIMER ON BUTTON”
are pressed together. This will keep test “ON” for the duration of the
timer.
● Timer for test function (count 3-5 minutes).
● Battery operated.
● Data hold function.
● Small and light weight.
● Calibration performed with supplied test leads

 

 

 

 

 

 

 

 

 

 

3 Wire (Digital) Earth Resistance Tester

ST-1520

10

AAAA

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 test 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.

 

 

 

 

 

 

 

 

3 Wire (Digital) Earth Resistance Tester

1820 ER

12

AAAA

 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 test leads are supplied as standard accessories for
simplified two-wire measuring system.
● Battery operated.
● Data hold function.
● Low battery indication.
● Calibration performed with supplied test leads.

 

 

 

 

 

 

 

 

3 Wire (Digital) Earth Resistance Tester

2120 ER

13

AAAA

 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 test 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.

 

 

 

 

 

 

 

 

3 Wire (Digital) Earth Resistance Tester

2720 ER

14

AAAA

  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 test leads are supplied as standard accessories for simplified
two-wire measuring system.
● Battery operated.
● Data hold function.
● Battery test indication.
● Calibration performed with supplied test leads.

 

 

 

 

 

 

 

 

3 Wire (Digital) Earth Resistance Tester

4120 ER

15

AAAA

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 test leads are supplied as standard accessories for simplified
two-wire measuring system.
● Battery operated.
● Data hold function.
● Battery test indication.
● Calibration performed with supplied test leads.