**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

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,

**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**

**14 microvolt (pw) to 20 mw,**

*error *shall not exceed the limits

**dependent on value (Whets-**

**tone bridge).**

**waveforms**

**defined.**

**The**

**Search mode**

**measured circuit is limited by**

**peak response is included in the**

**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.**

*Table 1. *Waveform Error Referred to

True Rms
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

*Table 2. *Maximum Accuracy Variation With
*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

**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**