12
3. Specification
3.1 General specification, measuring range and accuracy
Mains voltage indication: available on and SMARTPAT only
Display range
30 - 270 V
Hi/ Lo indication
< 30 V: No voltage indication
> 270 V: 270 V
Resolution
1 V
Accuracy
±5 V
* Voltage between L-N of mains lead terminal is measured and displayed at voltage test.
Protective conductor resistance test
Measuring range
0.00 - 20.00
Ω (NULL value included.)*
Over-range indication > 20.00
Ω
Resolution
0.01
Ω
Open-circuit voltage
5 V ±0.4 V DC
Measuring current
200 mA DC (nominal value)
Accuracy
±3%rdg ±5dgt
* Resistances exceeding 3
Ω cannot be canceled by NULL function.
Insulation resistance test
Rated voltage
250V
500V
Measuring range 0.00 - 20.00
MΩ
Over-range
indication
> 20.00 M
Ω
Resolution
0.01
MΩ
No-load voltage
250 V DC +20%, -0%
500 V DC +20
%
,-0
%
Short-circuit
current
1.5 mA DC or less
Rated current
1 -1.2 mA with a load of
0.25 MΩ
1 to 1.2 mA with a load
of 0.5 MΩ
Accuracy
±2%rdg±3dgt