Multimeter Digital DM-78A

Description

DM-78A
Heavy Duty, Ideal For Plant / Industrial Maintenance

Features:

• Water Resistant (O-Ring Seals)
• Withstands 5′ Drop
• Protective Holster (MH-350)
• Large Display Window
• 3200 Count LCD, .55" H
• 65 Segment Analog Bar Graph
• 0.5% Basic DC Accuracy
• Auto Power Off
• 10MΩ Input Z
•  “No Hand” Data Hold
• Input Warning Beeper*
• 20A AC/DC Fused
• Diode Test
• Instant Continuity Beeper
• Overload Protection
• 1-Year Limited Warranty

Batteries, Test Leads (ML-375), and Operating Instructions Included
OPTIONAL ACCESSORY – Carrying Case (MC-300)

SPECIFICATIONS:

General
Display: 3200 count LCD, 65 segment bar
graph, 0.55" high, with polarity
Auto Power Off: Approx. 10 min. after mode or
function change
Overrange Indication: “OL” is displayed
Operating Environment: 0°C to 50°C, <80%
relative humidity
Storage Environment: -20°C to 60°C, <80%
relative humidity with battery removed
Temperature Coefficient: (0°C to 18°C and
28°C to 50°C), less than 0.15 x applicable
accuracy specification per second

Measurement Rate: Digital 2 times
per second, analog 12 times per second
Power: 1.5V AAA (2) alkaline or carbon
zinc batteries
Battery Life: 1000 hours with alkaline cells
Low Battery Indicator: Symbol is displayed
Fuse: 1A 240/250V Fast
Dimensions, Weight: 3.3" wide x 6.9" long x
1.2" thick (84mm x 175mm x 31mm),
net weight 12oz. (340g)

DC Voltage
Range Resolution Accuracy
300mV 0.1mV ±0.5% of rdg ±2D
3V 1mV ±0.5% of rdg ±2D
30V 10 mV ±0.5% of rdg ±2D
300V 100mV ±0.5% of rdg ±2D
1000V 1V ±0.5% of rdg ±2D
Input Impedance: 10MΩ
Overload Protection: 1100VpK (15 sec.)
DC Current
Range Resolution Accuracy
300μA 0.1μA ±1% of rdg ±2D
3mA 1μA ±1.2% of rdg ±2D
30mA 10μA ±1% of rdg ±2D
300mA 100μA ±1.2% of rdg ±2D
20A 10mA ±2% of rdg ±3D
Overload Protection: μA, mA = 1A 240/250V,
20A = 13A 240/250V (readings over 10A max.,
30 sec.)
Voltage Drop: 200mV on 300μA, 30mA ranges;
2V all others

AC Voltage
Range Resolution Accuracy
3V 1mV ±1.3% of rdg ±5D
30V 10mV ±1.3% of rdg ±5D
300V 100mV ±1.3% of rdg ±5D
750V 1V ±1.3% of rdg ±5D
Frequency Range: 3V on 40Hz – 300Hz;
40Hz – 500Hz all others
Input Impedance: 10MΩ on all ranges
Overload Protection: 770V AC RMS or 1100Vpk
(15 sec.)
AC Current
Range Resolution Accuracy
300μA 0.1μA ±1.5% of rdg ±3D
3mA 1μA ±1.5% of rdg ±3D
30mA 10μA ±1.5% of rdg ±3D
300mA 100μA ±2% of rdg ±3D
20A 10mA ±2.5% of rdg ±5D
Frequency Range: 40Hz – 500Hz
Overload Protection: μA, mA = 1A 240/250V,
20A = 13A 240/250V (readings over 10A max.,
30 sec.)

Resistance
Range Resolution Accuracy
(Lo-Power Ω)
300Ω 0.1Ω ±1% of rdg ±4D
3KΩ 1Ω ±0.75% of rdg ±2D
30KΩ 10Ω ±0.75% of rdg ±2D
300KΩ 100Ω ±0.75% of rdg ±2D
3MΩ 1KΩ ±1.5% of rdg ±3D
30MΩ 10KΩ ±2.5% of rdg ±5D
Lo-Power Ω open circuit 1.3V
Overload Protection: 600VDC or 600V AC RMS
(10 sec. )
Diode Test
Voltage: 3.3V @ 1.5mA max
Continuity Test
Beeper Response: <50Ω
Response Time: Instant
Delay Hold: Allows “No-Hand” data hold
operation
* Input Warning Beeper: Eliminates incorrect
test lead placement and selector switch settings

Availability: 3 days

Order No. DM-78A