Technical data

Characteristics and Specifications 8
Digital Multimeter Specifications
U3606A User’s and Service Guide 249
Supplementary characteristics
WARNING
Exceeding the crest factor limit may result in an incorrect or a lower
reading. Do not exceed the crest factor limit to avoid instrument
damage and the risk of electric shock.
DC voltage
Measurement method: Sigma Delta A-to-D converter
Maximum input voltage: 1000 V
dc
on all ranges
Input impedance: 10 MΩ ± 2% range (typical) in parallel with capacitance < 120 pF
Input protection 1000 V
rms
on all ranges, < 0.3 A short circuit
Response time: Approximately 0.15 s when the displayed reading reaches 99.9% DC
value of the tested input signal at the same range
DC current
Measurement method: Sigma Delta A-to-D converter
Maximum input current: 10 mA to 3.0 A DC
[1]
Burden voltage and shunt
resistance:
• < 0.2 V, 10 Ω for 10 mA range
• < 0.2 V, 1 Ω for 100 mA range
• < 0.3 V, 0.1 Ω for 1 A range
• < 0.7 V, 0.01 Ω for 3 A range
Input protection Protected with a 3.15 A/500 V, FF fuse
Response time: Approximately 0.15 s when the displayed reading reaches 99.9% DC
value of the tested input signal at the same range.
AC voltage
Measurement method: AC coupled true rms
Maximum input voltage: 750 V
rms
/1200 V
peak
/3 x 10
7
V-Hz of product
Input impedance: 1 MΩ ± 2% range (typical) in parallel with capacitance < 120 pF
Input protection: 750 V
rms
on all ranges