C2, TM 9-6625-1754-14
Accuracy:
1 percent from 10 Hertz per
Digital mode . . .
Digital mode . . . . 1 percent of indicated
second (Hz) to 100 kiloHertz
Search mode . . . . 2 percent of full scale
(kHz) per second below 10
volts;
Insertion loss . . . . . . . . 25 to 250 (millivolts) mv
1 percent from 10 Hz to 10 kHz
e. Resistance.
below 100 volts;
1 percent from 10 Hz to 1 kHz
Measurement circuit:
below 1,000 volts.
Digital mode . . . . . Wheatstone bridge
Search mode . . . . 3 percent from 10 Hz to 100
Search mode . Power-limited, shunt ohm-meter
kHz below 10 volts;
circuit for safer and effective use
3 percent from 10 Hz to 10 kHz
in semiconductor circuitry.
below 100 volts;
Range ., . . . . . . . . . . . to ohm to megohm in 6-decade
3 percent from 10 Hz to 1 kHz
steps.
Accuracy:
waveform responseThe ac voltage measurement is
Digital mode . . . . 1 percent of indicated, plus lead
quasi-rms responding,
resistance (0. 1 ohm nominal).
calibrated in rms value of sine
Search mode . . . . 10 percent indicated (2
wave. Quai-rms is defined as a
percent of arc length), plus lead
response between average and
resistance (0. 1 ohm nominal).
peak for minimizing the
Measurement power:
measurement error, as referred
Power dissipated in measured
Digital mode
to true rms, of "waveforms other
resistance near null varies from
than sine wave. The waveform
14 microvolt (pw) to 20 mw,
error shall not exceed the limits
dependent on value (Whets-
listed in table 1 for the
tone bridge).
waveforms
defined.
The
Maximum power dissipation in
Search mode
waveform error for average and
measured circuit is limited by
peak response is included in the
multimeter range: X 1 range up
table for reference.
to 250 p.w, X1.0 range up to 25
Circuit loading . . . . . . 40 to 400 pa.
p.w, X 100 range up to 2.5 p.w,
X 1K range up to 0.25 p.w
d. Direct Current.
X 10K range up to 2.5 p.w, and
Range . . . . . . . . . . . . . . 10) p a to 10 amperes in 6-decade
X100K range up to 25 p.w
ranges.
ohmmeter).
I Requirement
Reference
Crest
True
Waveform
Peak
Average
Quasi-rms
factor
rms
1
Square Wave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
--30%
+11%
6%
Sine Wave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
0
0
0
1.414
Notched sine wave with
2
_30%
_14%
90 degree conduction . . . . . . . . . . . . . . . . . .
+41%
0
f.
Measurement
Extension. U s e f u l
Temperature Extremes
measurements with analog scale interpretation
can be extended to 2 mv dc, 10 mv ac, 0.2 ua dc,
Temperature
Accuracy derating
0.1 ohm, and 10 megohms.
85 c .
Storage
g . A c c u r a c y . The accuracies stated in b, c, d,
65 c.
+ 1% --0% of indicated
an d e above apply to measurements made with
35 c.
None
25 c.
None
the multimeter in a horizontal position and over
15 c.
None
an ambient temperature range of + 15 to
+0% -- 1 % of indicated
0c.
+35 C. The multimeter is usable over an
_20 c.
+ 0% --2% of indicated
extended temperature range with a slight
--40 c .
+ 0% --3% of indicated
r e d u c t i o n in accuracy as indicated in table 2.
--65 c .
Storage
8
