Fluke 12 - Page 31

12 Multimeter
SPECIFICATIONS
27
Function Overload
Protection*
Input
Impedance
(Nominal)
Common Mode
Rejection Ratio
(1 kΩ Unbalance)
Normal Mode
Rejection
E
600 V dc >10 MΩ <100 pF
†i & LoZ =
>2 kΩ <200 pF
>100 dB at dc,
50 Hz or 60 Hz
>50 dB at
50 Hz or 60 Hz
{
600 V rms >5 MΩ <100 pF
†i & LoZ =
>2 kΩ <200 pF
>60 dB at dc
50 Hz or 60 Hz
e
Open Circuit Full Scale Voltage Short Circuit
Test Voltage To 4.0 MΩ 40 MΩ Current
600 V rms <1.5 V dc <450 mV dc <1.5 V dc <500 µA
G 600 V rms 2.4-3.0 V dc 2.400 V dc
0.95 mA
(Typical)
*3 x 10
6
V Hz Maximum
† ≈2 kΩ with input voltage up to 50 V. Impedance will increase with input voltage to >300 kΩ at 600 V.
MIN MAX Recording Accuracy and Response Time
Specified accuracy of measurement function ± 12 digits for changes > 200 ms in duration (±40 digits in ac).
Typical 100 ms response to 80 %.
MIN MAX Recording with Elapsed Time
Elapsed Time Resolution
Accuracy
0 to 100 hours (99:59) 1 minute 0.3 % Typical
Continuity Capture
Detects opens or shorts of 250 µs or longer