xvi
1693 RLC Digibridge
Abbreviated Specifications
Parameter
Direct Reading
Range
Ratio and DQ in PPM
R and [Z]
0.00001 Ω to
99999 kΩ
0.00010 Ω to 9999.9 GΩ
L
0.00001 mH to
99999 H
0.00010 nH to 9999.9 MH
C
0.00001 pF to
99999 µF
0.00010 aF to 9999.9 F
G and [Y]
0.00001 µS to
99999 S
0.00010 pS to 9999.9 MS
R with C
0.0001 Ω to
9999 kΩ
not extended
X with R
0.0001 Ω to
9999 kΩ
not extended
B with G
0.0001 µS to
9999 S
not extended
D with C
0.0001 to 9999
1 to 9999 ppm
Q with R or L
0.0001 to 9999
1 to 9999 ppm
Angle
±0.0001° to 180°
±1 to 999 microdegrees
Table-C: Impedance ranges
Range selection:
Autoranging with manual hold
Basic accuracy*:
Basic RLCGZY: ±0.02%
Basic QD: ±0.0002 (±0.0001 in PPM mode)
Basic RXB: ±0.02%
Θ: ±0.01°
*See accuracy formulas below for actual accuracy based
upon instrument configuration and DUT.
Limit of error (accuracy):
The specified limit of error is given below for
all conditions (except constant voltage, for this
condition add 2 inside the brackets). Rx, Cx, Lx etc.
are the measured values, f is the frequency in kHz.
The range constants Rmax, Lmax, Cmin, Gmin etc
are given in Table-D. The constants Ks and Kfv
are given in Tables 0 and D. Note that for SLOW
measurements at 1kHz and 1 V with non constant
voltage these K constants are all zero and that f =1.
Accuracy of primary parameters (left readout):
To obtain accuracy, IET offers a convenient tool at:
http://www.ietlabs.com/notes/digibridge_accuracy_
calculator
. This tool is equivalent to the calculations shown for both primary and secondary parameters.
Note:
This calculation tool is applicable for both 1689 and 1693 Digibridge modles.
Table A Direct Reading Display Ranges for R,L,C,G,|Z|, and |Y|
Insert from Datasheet: Ranges Table
Limit of Error (accuracy):
The specified limit of error is given below for all conditions (except constant voltage, for
this condition add 2 inside the brackets). Rx, Cx, Lx etc. are the measured values, f is
the frequency in kHz. The range constants Rmax, Lmax, Cmin, Gmin etc are given in
Table B. The constants Ks and Kfv are given in Tables 0 and D. Note that for SLOW
measurements at 1kHz and 1 V with non constant voltage these K constants are all
zero and that f =1.
Primary parameters (lefthand readout):
)
)
)
)
)
)
To obtain accuracy, IET offers a convenient tool at:
http://www.ietlabs.com/notes/digibridge_accuracy_calculator
.
This tool is equivalent to the calculations shown for both primary and secondary
parameters.
Содержание RLC Digibridge 1693
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Страница 122: ...98 1693 RLC Digibridge Operation Table 3 28 Truth table of compacted binary format for output data...
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