Ac Current; Overload Protec Tion; Resistance Test; The Model Dm39B: Frequency - Digimaster DM38A Manual De Empleo

D. AC Curr ent
Rang e
20 0µA
2mA
20mA
20 0mA
10 A/20A
Remark:
DM3 9A/ - At 10 A ran ge: F or continu ous m eas ur ement < 1 0sec on ds a nd i nterv al not less t han 1 5 minutes.
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DM3 9B - At 2 0A r an g e: For c onti nuous m easurem ent < 1 0sec on ds a nd i nterv al not l ess than 1 5 mi nut es.
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Meas ur ement v oltage dro p: f ull ra ng e at 2 00 mV
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Fre quency resp o nse: 40H z ~ 400Hz
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Displ ay eff ecti v e value of sine wave (mea n v alue res pons e).
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E. Re sist anc e Te st
Rang e
20 0Ω
2kΩ
20kΩ
20 0kΩ
2 MΩ
20 MΩ
20 0 MΩ
Remark:
Open ci rcuit voltage:
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At 20 0MΩ r ange: ap prox. 3V
Oth er r an ges: < 7 00 mV
At 20 0MΩ ra ng e, test lea d is in sho rt circuit, an d it is nor mal to displ ay 10 digits. During me asur eme nt, subtr act
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the 1 0 di gits f rom the re adin g.
F. The Model D M39B: Frequen cy
Rang e
2kH z
20kH z
Remark:
Input Se nsitiv ity : < 200m V.
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When th e in put v olta ge is > 3 0V rms, no guar anteed acc ur acy .
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Resolu tion
DM39A
0.1µA
± (1% + 3)
1µA
± (1% + 3)
10µ A
100µA
10m A
Resolu tion
DM39A
0.1 Ω
1Ω
10Ω
± (0.8% + 1)
100 Ω
1kΩ
10k Ω
100k Ω ± [5%(r eadi ng -1 0) +10]
Resolu tion
1Hz
10H z
Accurac y
DM 39B
± (1% + 3)
± (1.8 % + 3)
± (3 % + 5)
Accurac y
DM 39B
± (0.8 % + 3)
± (0.8% + 1 )
± (0.8% + 1 )
± (1% + 2)
Ac cur acy
± (2 % + 5)
± (1.5% + 5 )

Overload Protec tion

0.315 A. 25 0V f ast type
f use,
Ø 5 x 20 mm.
Un-Fuse d
Overload Protec tion
250V D C or AC rms
Overload Protec tion
25 0V AC