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SECTION I
Model 4277A
Table I-l. Specifications (Sheet 1 of 17)
SPECIFICATIONS
Parameters Measured:
C
(capacitance),
L
(inductance),
| Z I
(impedance), D (dissipation factor), Q (quality
factor), ESR (equivalent series resistance), G
(conductance), e (phase angle), HIGH SPEED
C (at IMHz only), HIGH SPEED L (at IMHz
only), A (deviation).
Measurement Circuit Modes:
Auto,
Series
(o-cd-smto),
and
Parallel
Parameter Combinations:
Circuit Mode
Parameter Combination
Series
C-D, C-Q,
C-l
L-Q, L-ESR,
SPEED C, HIGl
:SR, L-D,
Z|-e,
HIGH
i SPEED L
Parallel
C-D, C-Q, C-C
L-Q, L-G, |Z
SPEED C, HIGI
5, L~D,
-6 , HIGH
I SPEED L
Measurement Speed Modes:
SLOW, MED, and FAST
Displays:
Measurement
Speed Mode
Display
Digits
Maximum Display
SLOW
4 1/2
19999 counts
MED
FAST
3 1/2
1999 counts
Note:
Number
of
display
digits
depends on the test frequency,
the test signal level, and the
measurement range.
Measurement Terminals:
4-terminal-pair
configuration
with
guard
terminal
Ranging Modes:
Auto and Manual (UP/DOWN keys)
Test Frequencies:
Test Frequency Range
Resolution
lOkHz to
20kHz
lOOHz
20kHz to
50kHz
200Hz
50kHz to lOOkHz
SOOHz
lOOkHz to 200kHz
IkHz
200kHz to 500kHz
2kHz
500kHz to
IMHz
5 kHz
Frequency Control Modes:
SPOT (lOkHz, lOOkHz, IMHz)
COARSE (10 freq. points/decade)
FINE (maximum resolution)
Frequency Accuracy: ±0.01%
Test Signal Level:
HIGH (IVrms)orLOW (20mVrsm)
Level Accuracy;
Test Signal Level
Test Frequency
IMHz
lOkHz to 995kHz
HIGH
±10%
±10%
LOW
±15%
Output Impedance: 1OQU ±10%
Deviation Measurement;
Calculates
and
displays
the
difference
between
a
stored
reference
values
and
measured values.
Self Test:
Checks the 4277A's basic operation when the
instrument is turned on or when the SELF
TEST key is pressed.
If an abnormality is
detected,
an error
code
is
displayed on
DISPLAY A.
1-4
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