34450A Datasheet, PDF (8/12 Pages) Keysight Technologies – 34450A Multimeter 5.5 Digit Dual Display, Benchtop DMM

8 | Keysight | 34450A Multimeter 5.5 Digit Dual Display, Benchtop DMM – Data Sheet
Supplemental measurement specifications
Table 7. Supplemental measurement specifications
Specification measurement
DC voltage
Measuring method:
Input resistance:
Resistance
DC current
Input protection:
Measurement method:
Open circuit voltage:
Input protection:
Shunt resistance:
Continuity/diode test
Temperature
Input protection:
Measurement method:
Response time:
Continuity threshold:
Input protection:
Measurement method:
Measurement noise rejection
AC voltage
AC current
Input Protection:
CMR (Common mode rejection)
For 1 kΩ unbalance LO lead
NMR (Normal mode rejection)
For 60 Hz (50 Hz) ± 0.1%
Measurement method:
Crest factor:
Input impedance:
Input protection:
Measurement method:
Shunt resistance:
Input protection:
Specification
Sigma delta A-to-D converter
> 10 GΩ ± 2% range (Selectable 100 mV, 1 V ranges)
10 MΩ ± 2% range (typical)
1000 V on all ranges (HI terminal)
2-wire or 4-wire Ohms
Limited to < 2.8 V
1000 V on all ranges (HI terminal)
1 Ω for 10 mA, 100 mA
90 Ω for 100 μA, 1 mA
0.01 Ω for 1 A, 10 A
Externally accessible at rear panel 0.4 A, 500 V fuse for I terminal
Internal 11 A, 1000 V fuse for 10 A terminal
Uses 0.5 mA ± 0.2% constant current source
–– Continuity: 165 samples/second with audible tone
–– Diode: 190 samples/second with audible tone
10 Ω fixed
1000 V (HI terminal)
2-wire Ohms measurement of 5 kΩ thermistor sensor
(YSI 4407) with computer conversion
Auto-ranging measurement, no manual range selection
1000 V (HI terminal)
DC 140 dB
AC 70 dB
Slow mode 5½ digits 90 dB
Medium mode 4½ digits 55 dB
Fast mode 4½ digits 0 dB
AC coupled true-rms – measures the AC component with up to 400 VDC bias
any range
Maximum 3:1 at full scale
1 MΩ ± 2% in parallel with < 100 pF of all ranges
750 V rms on all ranges (HI terminal)
DC coupled to the fuse and current shunt, AC coupled true rms measurement
(measures the AC component only)
1 Ω for 10 mA, 100 mA
0.01 Ω for 1 A, 10 A
Externally accessible at rear panel 0.4 A, 500 V fuse for I terminal
Internal 11 A, 1000 V fuse for 10 A terminal