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DT-9381 & DT-9381A Professional AC/DC Clamp Meters with True RMS
DT-9381 & DT-9381A Professional AC/DC Clamp Meters with True RMS
DT-9381 & DT-9381A Professional AC/DC Clamp Meters with True RMS
DT-9381 & DT-9381A Professional AC/DC Clamp Meters with True RMS
DT-9381 & DT-9381A Professional AC/DC Clamp Meters with True RMS
DT-9381 & DT-9381A Professional AC/DC Clamp Meters with True RMS
Home / CLAMP METERS / DT-9381 & DT-9381A Professional AC/DC Clamp Meters with True RMS

DT-9381 & DT-9381A Professional AC/DC Clamp Meters with True RMS

Professional AC/DC Clamp Meters
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Description

The DT-9381 and DT-9381A are advanced, versatile clamp meters designed for professionals who require both AC and DC current measurement capabilities. Featuring True RMS accuracy, large backlit displays, and a robust set of measurement functions, they are ideal for a wide range of electrical, industrial, and HVAC/R diagnostics. The primary difference lies in the display resolution and the inclusion of more advanced troubleshooting features in the DT-9381A model.

Key Features Common to Both Models (DT-9381 & DT-9381A):

  • AC/DC Clamp & True RMS: Measures both AC and DC current up to 1000A with True RMS accuracy for AC, ensuring correct readings on modern, non-linear loads.

  • Comprehensive Multimeter Functions: Measures AC/DC Voltage (1000V), Resistance, Capacitance, Frequency, and Temperature (with included probe).

  • Safety & Field Features: Built-in Non-Contact Voltage (NCV) Detector, bright flashlight, data hold, and relative (zero) function.

  • Inrush Current Measurement: Captures the startup surge current of motors, compressors, and transformers, a critical parameter for electrical system analysis.

  • Advanced Electrical Diagnostics:

    • Low Impedance (LoZ) Mode: For voltage measurements to eliminate misleading "ghost voltage" readings from induced voltages.

    • Low Pass Filter (LPF): Provides accurate voltage and current measurements on circuits powered by Variable Frequency Drives (VFDs) by filtering out electrical noise.

  • Rugged Design: Double-molded housing and a 35mm (1.4") jaw for durability and easy use in tight spaces.

DT-9381 vs. DT-9381A Detailed Comparison Table

 
 
Feature & Specification DT-9381 DT-9381A Impact & Advantage
Display      
Display Type & Counts Backlit LCD, 4000 counts Backlit LCD, 6000 counts The DT-9381A provides higher resolution (6000 counts), allowing for more precise reading of the last digit, especially on low current or voltage ranges.
Core Electrical Measurements      
AC Current (ACA) 0.1A ~ 1000A 0.1A ~ 1000A Identical high-capacity AC current measurement with True RMS accuracy.
DC Current (DCA) 0.1A ~ 1000A 0.1A ~ 1000A Identical DC current measurement capability, essential for automotive, battery, and DC system work.
AC/DC Voltage 0.1V ~ 1000V 0.1V ~ 1000V Identical voltage measurement ranges and safety rating (CAT III 1000V / CAT IV 600V).
Resistance 0.1Ω ~ 40MΩ 0.1Ω ~ 60MΩ DT-9381A has a slightly higher maximum resistance range (60MΩ vs 40MΩ).
Capacitance 0.01nF ~ 100mF 0.01nF ~ 100mF Identical capacitance measurement capability.
Frequency 0.01Hz ~ 10kHz 0.01Hz ~ 10kHz Identical frequency measurement range.
Temperature (via probe) -40°C to 1000°C -40°C to 1000°C Identical temperature measurement with included Type K thermocouple.
Advanced Diagnostic Features      
Inrush Current Yes Yes Both can measure motor/transformer startup current.
Low Impedance (LoZ) Mode Yes Yes Both can eliminate ghost voltage for safer, more accurate voltage checks on "dead" circuits.
Low Pass Filter (LPF) Yes Yes Both are equipped for accurate measurements on VFD-driven equipment.
Data & Utility Functions      
Data Hold / Peak Hold Yes Yes Both can freeze the display or capture peak values.
Max/Min/Avg Hold Yes Yes Both can record maximum, minimum, and average values over time.
Relative (Zero) Function Yes Yes Both allow nulling out test lead resistance or measuring differential values.
Non-Contact Voltage (NCV) Yes Yes Both have a built-in sensor for quick live wire detection.
Flashlight Yes Yes Both include an LED light for dark panels or workspaces.
Auto Power Off Yes Yes Both feature automatic shutoff to conserve battery.
Physical & General      
Jaw Opening 35mm (1.4 inches) 35mm (1.4 inches) Identical jaw size.
Safety Rating CAT III 1000V / CAT IV 600V CAT III 1000V / CAT IV 600V Identical safety certifications for industrial and residential use.
Power Supply 3 x AAA Batteries 3 x AAA Batteries Identical.
Accessories Test Leads, Temp. Probe, Batteries, Case Test Leads, Temp. Probe, Batteries, Case Identical standard kit.