E4980A-301 Datasheet, PDF (24/38 Pages) Keysight Technologies – Precision LCR Meter

24 | Keysight | E4980A Precision LCR Meter 20 Hz to 2 MHz, E4980AL Precision LCR Meter 20 Hz to 300 kHz/500 kHz/1 MHz – Data Sheet
DCR measurement specification
DC resistance (Rdc) measurement function is available when either E4980A-001/200 or
E4980AL-032/052/102 is installed.
DC resistance (Rdc) accuracy
Absolute measurement accuracy Aa
Absolute measurement accuracy Aa is given as
Equation 15. Aa = Ae + Acal
Aa
Absolute accuracy (% of reading value)
Ae
Relative accuracy (% of reading value)
Acal Calibration accuracy
Relative measurement accuracy Ae
Relative measurement accuracy Ae is given as
Equation 16. Ae = [Ab + (Rs /|Rm|+ Go × |Rm|) × 100 ] × Kt
Rm Measurement value
Ab
Basic accuracy
Rs
Short offset [Ω]
Go
Open offset [S]
Kt
Temperature coefficient
Calibration accuracy Acal
Calibration accuracy Acal is 0.03%.
Basic accuracy Ab
Table 43. Basic accuracy Ab is given below.
Measurement time mode
Test signal voltage
≤ 2 Vrms
SHORT
1.00%
MED
0.30%
> 2 Vrms
2.00%
0.60%
Open offset Go
Table 44. Open offset Go is given below.
Measurement time mode
Test signal voltage
≤ 2 Vrms
SHORT
50 nS
MED
10 nS
> 2 Vrms
500 nS
100 nS
Short offset Rs
Table 45. Short offset Rs is given below.
Measurement time mode
Test signal voltage
≤ 2 Vrms
SHORT
25 mΩ
MED
5 mΩ
> 2 Vrms
250 mΩ
50 mΩ