Digital Heavy Duty Meter DM-38A

Description

Heavy Duty Digital Multimeter with 3-3/4 Digit Display

Multifunction DMM, Heavy Duty
3 3/4 Digit, 0.5″ H, Peak Data Hold

Frequency Counter

• Capacitance Test
• Logic Detector
• 20A AC/DC
• 0.5% Basic DC Accuracy
• 40MΩ Full Scale
• Transistor hFE Test
• Diode Test
• Audible Continuity Test
• 20MΩ Input Z
• Overload Protection
• RF Shielded
• Low Power Ohms
• Tilt Stand
• Polarity Indicator
• Overrange Indicator
• Low Battery Indicator
• 1-Year Limited Warranty

Battery, Test Leads and Operating Instructions Included
OPTIONAL ACCESSORY – Carrying Case (MC-300)

SPECIFICATIONS:

General
Display: 3 3/4 Digit LCD, 0.5″ high, with polarity
indicator (4,000 count)
Overrange Indication: “OL” is displayed
Measurement Rate: 3 times per second
Operating Environment: 0°C to 50°C, <70%
relative humidity
Storage Environment: -20°C to 60°C, <80%
relative humidity with battery removed
Power: 9V carbon zinc battery (NEDA 1604)

Battery Life: 150 hours typical with carbon
zinc cells
Low Battery Indicator: Display indicates “B”
Dimensions, Weight: 3.3″ wide x 6.3″ long x 1″
thick (84mm x 160mm x 25mm),
net weight 9oz. (250g)
Peak Data Hold: When the Peak Hold function is
engaged, the maximum reading is shown on the
display until a higher reading is recorded or
power to the meter is removed

DC Voltage
Range Resolution Accuracy
400mV 100μV ±0.5% of rdg ±1D
4V 1mV ±0.5% of rdg ±1D
40V 10mV ±0.5% of rdg ±1D
400V 100mV ±0.5% of rdg ±1D
1000V 1V ±0.5% of rdg ±1D
Input Impedance: 20MΩ on all ranges
Overload Protection: 500V DC/350V AC for 15
sec. on 400mV range; 1,100V DC/800V AC on
all other ranges
DC Current
Range Resolution Accuracy
40mA 10μA ±1% of rdg ±1D
400mA 100μA ±1% of rdg ±1D
20A 10mA ±2% of rdg ±3D
Overload Protection: mA input 0.8A/250V fuse;
20A input (unfused), up to 20A for 15 seconds

AC Voltage
Range Resolution Accuracy
400mV 100μV ±1% of rdg ±4D
4V 1mV ±1% of rdg ±4D
40V 10mV ±1% of rdg ±4D
400V 100mV ±1% of rdg ±4D
750V 1V ±1.5% of rdg ±4D
Input Impedance: 20MΩ on all ranges
Overload Protection: 500V DC/350V AC for
15 sec. on 400mV range; 1,100V DC/800V AC
on all other ranges
Frequency Range: 50 – 500Hz

AC Current
Range Resolution Accuracy
40mA 10μA ±1.2% of rdg ±4D
400mA 100μA ±1.2% of rdg ±4D
20A 10mA ±2% of rdg ±4D
Overload Protection: mA input, 0.8A/250V fuse;
20A input (unfused), up to 20A for 15 seconds
Resistance
Range Resolution Accuracy
400Ω 0.1Ω ±1% of rdg ±3D
4KΩ 1Ω ±0.8% of rdg ±1D
40KΩ 10Ω ±0.8% of rdg ±1D
400KΩ 100Ω ±0.8% of rdg ±1D
4MΩ 1KΩ ±0.8% of rdg ±1D
40MΩ 10KΩ ±3% of rdg ±3D
400MΩ 1MΩ ±5% of rdg -10D, +4D
Overload Protection: 500V DC/AC, 10 seconds

Capacitance
Range Resolution Accuracy
4nF 1pF ±3% of rdg ±10D
40nF 10pF ±3% of rdg ±10D
400nF 100pF ±3% of rdg ±10D
4μF 1nF ±3% of rdg ±10D
40μF 10nF ±3% of rdg ±10D
Test Frequency: 400Hz
Test Voltage: 50mVFrequency Measurement
Range: 4K to 4MHz (Autorange)
Accuracy: ± 1% rdg ± 2D
Input Sensitivity: 50mV rms
Overload Protection: 500V DC/AC
Logic Measurement
Logic Type: TTL
Input Impedance: 120KΩ ±10K
Logic Thresholds
Logic 1: 2.4V, ±0.2V
Logic 0: 0.7V, ±0.2V
Frequency Response: 20MHz
Detestable Pulse Width: 25ns, min.
Overload Protection: 50V DC/AC

Continuity Test
Resistance Range: 400Ω
Beeper Response: <50Ω
Response Time: <100mSec
Transistor hFE Test (PNP, NPN)
Test Condition: 10μA Base Current @ 2.8V
hFE Range: 0 – 1000
Diode Test
Voltage: 3.2V @ 1.6mA Max

Availability: 3 days

Order No. DM-38A

Authorized NTE Distributor