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Model 4120A has the automatic RCD(ELCB)lock device.
There is no need to by-pass most passive RCD's at
distribution boards when conducting LOOP or PSC tests. |
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Direct reading of Prospective Short Circuit Current (PSC)and
earth fault current. |
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Safe voltage measurement function. |
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Large custom digital display readout on all models. |
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Measures low loop resistances(resolution of 0.01Ω) |
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Automatic lock-out if test resister overheats. |
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Large custom digital display readout. |
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Visual indication of reversed phase and neutral wiring
at socket. |
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Designed to IP54 Rating |
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Complies with IEC61557 |
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| Loop Impedance Ranges |
20/200/2000Ω (20/200Ω D-LOK) |
Loop Impedance
Accuracy |
|±2%rdg±4dgt |
| AC Test Current |
20Ω 25A 200Ω 2.3A
2000Ω 15mA |
| AC Test Period |
20Ω (20ms) 200Ω (40ms)
2000Ω (280ms) |
| PSC Ranges |
200A(2.3A 40ms) 2000A(25A 20ms) D-LOK
20kA(25A 20ms) D-LOK |
| PSC Ranges Accuracy |
Consider accuracy of Loop impedance |
| Voltage |
110V-260V ±2%rdg±4dgt |
| Operating Voltage |
230V+10% -15%(195V~253V)50Hz |
| Safety Standard |
IEC61010-1 CAT.III 300V
IEC61557-1,-3
IEC61010-2-031 Pollution Degree 2 |
| IP Rating |
IEC60529-IP54 |
| Dimensions |
185(L) × 167(W) × 89(D)mm |
| Weight |
960g approx. |
| Accessories |
Molded plug test leads
7121(Distribution board test leads)
Pouch for test leads
Shoulder Strap
Instruction Manual |
