Provide accurate AC/DC current measurement, Precise 0.1 mA high-resolution, With fast sampling rate and automatic polarity display, Low battery indication and easy maintenance, Suitable for various electrical engineering applications, Features data hold and maximum/minimum value functions, Continuity test and auto power-off design, True RMS measurement with high accuracy, Automatic range selection and backlight display.
 
Product Introduction
DCM-039A offers precise AC/DC current measurement with rapid sampling and automatic polarity display. It features low battery indication for easy maintenance, suitable for various electrical engineering applications.
Measurement Specification
Display : 4-digit LCD, maximum reading 5000 counts, with polarity display and low battery indication
Power Source : 1.5V AAA battery × 2, 30 hours of use (DCA), 60 hours (ACA/ACV), 100 hours (DCV/Resistance)
Maximum Jaw Opening : Ø 23 mm
Dimensions : 207 × 76 × 34.5 mm
Weight : 281 g (with batteries)
DC Voltage : 60V / 600V ±1.0% + 2 digits
AC Voltage : 60V / 600V ±1.2% + 5 digits
DC Current : 300.0 mA, 3.000 A, 10.00 A ±1.0% + 10 digits
AC Current : 300.0 mA, 3.000 A, 20.00 A ±1.0% + 5 digits
Resistance : 600 Ω, 6 kΩ, 60 kΩ ±1.0% + 2 digits
Display : 4-digit LCD, maximum reading 5000 counts, polarity and low battery indication
Power Source : 1.5V AAA battery × 2
Battery Life : DCA function: ~30 hours, ACA/ACV: ~60 hours, DCV/Resistance: ~100 hours
Sampling Rate : Digital update: 2 samples/sec
Auto Power Off : Turns off after ~30 minutes inactivity (can be disabled on startup)
Overload Indication : “OL” displayed when input exceeds range
Maximum Jaw Opening : Ø 23 mm
Dimensions : 207 × 76 × 34.5 mm
Weight : 281 g (with batteries)
Accessories : Carrying case, batteries, test leads, instruction manual
Product Features
Data Hold : Yes
MAX/MIN Recording : Yes
Continuity Test : Audible buzzer sounds when resistance is below 100 Ω
Auto Power Off : Automatically switches off after 30 minutes of inactivity
DC ZERO Mode : Yes
True RMS : yes
High Precision : yes
Auto Range : yes
Backlit Display : yes
True RMS Measurement : Yes
Data Hold : Yes
MAX/MIN Recording : Yes
Continuity Test : Yes (audible buzzer if <100 Ω)
Auto Range : Yes
Backlight Display : Yes
Product Information
Accessories : Carrying case, batteries, test leads, instruction manual
Operating Environment : Temperature 0 ~ 50°C, Humidity ≤ 80%RH
Storage Environment : Temperature -20 ~ 60°C, Humidity ≤ 80%RH No condensation
Safety Protection : Includes safety protection ring
Operating Environment : Temperature 0 ~ 50°C Humidity below 70%RH
Storage Environment : Temperature -20 ~ 60°C Humidity below 80%RH
Power : 3V AAA batteries × 2
Accessories : Manual, Batteries, Warranty Card
Operating Environment : Temperature 0 ~ 50°C, Humidity ≤ 80% RH
Storage Environment : Temperature -20 ~ 60°C, Humidity ≤ 80% RH
Altitude Limit : Up to 2000 meters
Power : 1.5V AAA battery × 2
Accessories : Manual, batteries, carrying case, test leads