D. AC Curr ent
Accuracy
Rang e
Resolu tion
DM39A
DM 39B
Overload Protection
200
µ
A
0.1
µ
A
± (1% + 3)
2mA
1
µ
A
± (1% + 3)
20mA
10
µ
A
± (1% + 3)
200mA
100
µ
A
± (1.8% + 3)
0.315A. 250V f ast type
f use,
Ø 5 x 20 mm.
10A/20A
10m A
± (3% + 5)
Un-Fused
Remark
:
l
DM39A/ - At 10A range: F or continuous m eas urement < 10sec onds and interv al not less t han 15 minutes.
l
DM39B - At 20A range: For c ontinuous m easurem ent < 10sec onds and interv al not less than 15 minut es.
l
Meas urement v oltage drop: f ull range at 200mV
l
Frequency response: 40H z ~ 400Hz
l
Display eff ectiv e value of sine wave (mean v alue res pons e).
E. Resistance Test
Accuracy
Rang e
Resolu tion
DM39A
DM 39B
Overload Protection
200
Ω
0.1
Ω
± (0.8% + 3)
2k
Ω
1
Ω
20k
Ω
10
Ω
± (0.8% + 1)
200k
Ω
100
Ω
2M
Ω
1k
Ω
± (0.8% + 1)
± (0.8% + 1)
20M
Ω
10k
Ω
± (1% + 2)
200M
Ω
100k
Ω
± [5%(reading-10) +10]
250V D C or AC rms
Remark:
l
Open circuit voltage:
At 200M
Ω
range: approx. 3V
Other ranges: < 700mV
l
At 200M
Ω
range, test lead is in short circuit, and it is normal to display 10 digits. During measurement, subtract
the 10 digits f rom the reading.
F. The Model D M39B: Frequen cy
Rang e
Resolu tion
Accur acy
Overload Protection
2kH z
1Hz
± (2% + 5)
20kH z
10H z
± (1.5% + 5)
250V AC
Remark:
l
Input Sensitiv ity : < 200m V.
l
When the input v oltage is > 30V rms, no guaranteed acc uracy .
