Fluke 123B User Manual page 95

Safety
General................................................................ IEC 61010-1: Pollution Degree 2
Measurement ...................................................... IEC 61010-2-033: CAT IV 600 V / CAT III 750 V
Max. Input Voltage Input A and B
Direct on input or with leads ............................... 600 Vrms CAT IV for derating, see Figure 15.
With Banana-to BNC Adapter BB120 ................. 300 Vrms for derating, see Figure 16.
Max. Floating Voltage
from any terminal to ground ................................ 600 Vrms Cat IV, 750 Vrms up to 400 Hz
Figure 15. Max. Input Voltage vs. Frequency for BB120
and STL120-IV
Maximum CAT IV input voltage vs. frequency
1000
Max.
Input
500
VOLTAGE
(Vrms)
200
100
50
30
20
10
5
2
1
0.01 0.02 0.05 0.1
hpp049.eps
Figure 16. Safe Handling: Max. Voltage Between Test
Tool Reference and Earth Ground
Industrial ScopeMeter®
Specifications
CAT III
CAT IV
0.2 0.5 1 2 5 10 20 50 100 200
FREQUENCY (kHz)
hpp050.ep
85