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TESTING & MEASUREMENT
TRUSTED
SINCE
1862
USA
CANADA
INT’L
FAX
800.451.2632
FAX
800.524.2853
FAX
+1.815.397.9247
PHONE
800.435.0786
PHONE
866.384.8813
PHONE
+1.815.397.7070
FEATURE
DM-350 DM-330 DM-310 DM-300 DM-65 DM-45 DM-25 PDMM-20 AM-6
True RMS
DCA (A max)
10
10
10
10
10
500mA
Maximum resolution (µA)
0.1
1000
1000
0.1
0.1
Best accuracy (%)
0.9
0.9
0.9
1.0
1.0
ACA (A max)
10
10
10
10
10
Maximum resolution (µA)
0.1
1000
1000
0.1
0.1
Best accuracy (%)
1.2
1.2
1.2
1.8
1.8
DCV (V max)
1000
1000
1000
1000
1000
600
600
450
300
Maximum resolution (µV)
100
100
100
100
100
100
10 mV
1000
Best accuracy (%)
0.5
0.5
0.5
0.5
0.8
0.8
0.8
0.5
ACV (V max)
1000
1000
1000
1000
1000
600
600
450
300
Maximum resolution (µV)
100
100
100
100
1000
1000
0.1V
1000
Best accuracy (%)
1.0
1.0
1.0
1.0
0.8
0.8
1.2
1.5
Resistance (MΩ)
60
60
60
60
60
40
2
6
1
Maximum resolution (mΩ)
100
100
100
100
100
100
100
1000
Best accuracy (%)
0.7
0.7
0.7
0.7
1.0
1.0
1.0
1.0
Conductivity
Continuity and beeper
Diode test
Capacitance
Frequency
Frequency response (Hz)
50-500
50-500
50-500
50-500
40-400
40-400
40-400
50-60
Temperature measurement
Single
Single
Display type
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Analog
Display counts
6000
6000
6000
6000
6000
4000
2000
6000
Backlight
Display update X/sec
5
5
5
5
3
3
2.5
5
Analog bar graph segments
61
Analog update X/sec
3
Computer interface
Auto and manual ranging
Intelligent Auto power off
Auto power off
Non-contact voltage detection
Low Impedance AutoCheck
mode
Beep-Jack
Input error warning
Peak (crest) Hold - Max, Min
Data hold
Min/Max/Avg
max, min max, min max, min max, min
Relative offset mode ( Δ )
Process loop measurement
Data logging (points stored, single channel)
Data logging (points stored, dual channel)
Duty cycle
VFD (variable frequency drive) ACV & Hz
Measurement Category Rating
IV, 600V
IV, 600V
IV, 600V
IV, 600V
IV, 600V
III, 600V
III, 600V
III, 300V
II, 300V
III, 1000V III, 1000V III, 1000V III, 1000V III, 1000V
II, 450V
UL or ETL
cUL, cETL or CSA
CE
DMM Comparison Guide