What currents does the ACDC-100 measure?

Up to 1000 A DC and up to 800 A AC (rms continuous) with a 50 mm jaw opening.

Is ACDC-100 True-RMS?

No. ACDC-100 is average-sensing. For True-RMS, choose the ACDC-100 TRMS variant.

What voltage and other functions are available?

AC/DC voltage to 600 V, resistance to 40 MΩ, capacitance to 3000 µF, plus diode and audible continuity tests.

Does it capture inrush?

Yes. The MAX Hold function captures peak values for inrush and transient events.

What’s included in the box?

Clamp meter, test leads, 2 × AAA batteries (installed), carrying case and user manual.

Amprobe ACDC-100 1000 A AC/DC Clamp Meter

Brand: Amprobe

SKU: 94381-1-1-1

The Amprobe ACDC-100 1000 A AC/DC Clamp Meter is a trusted tool that combines quality, functionality, and ease of use, making it a valuable asset for anyone working in electrical diagnostics and maintenance.

Datasheet PDF

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Description

Amprobe ACDC 100

The Amprobe ACDC-100 1000 A AC/DC Clamp Meter is a highly regarded tool in the field of electrical measurement, known for its reliability and user-friendly design. This clamp meter is specifically engineered to measure both AC and DC currents, making it an essential device for electricians and technicians working in various environments.

Design and Usability

The ACDC-100 features a robust and ergonomic design, which is enhanced by its red rubber overmolded casing. This design not only provides durability but also ensures a comfortable grip during use, which is particularly beneficial for professionals who may need to operate the meter for extended periods.

The clamp’s large jaws can easily accommodate conductors up to 2 inches (50 mm) in diameter, allowing for versatile applications, from residential wiring to industrial setups. The digital display is large and easy to read, ensuring that users can quickly and accurately interpret measurements.

Measurement Capabilities

This clamp meter excels in measuring both AC and DC currents up to 1000 A, along with AC/DC voltage and resistance. Its ability to handle a wide range of electrical measurements makes it suitable for troubleshooting and maintenance tasks across different sectors, including HVAC, automotive, and industrial electrical systems.

Advanced Features

The ACDC-100 is equipped with several advanced features that enhance its functionality:

Data Hold Function: This feature allows users to freeze the current reading on the display, making it easier to record measurements without the need to continuously hold the clamp around the conductor.
MAX Capture Function: Ideal for measuring inrush currents, this function captures the maximum current reading over a short duration, which is crucial for analyzing the startup currents of motors and other equipment.
Automatic Power Off: To conserve battery life, the meter automatically powers off after a period of inactivity, ensuring that it is always ready for use when needed.
Relative Zeroing Mode: This feature allows users to set a baseline measurement, making it easier to compare subsequent readings.

Datasheet

Specifications

General Specifications
Display	3-3/4 digits 4000 counts LCD display
Update Rate	3 per second nominal
Polarity	Automatic
Low Battery	Below approx. 2.4V
Operating Temperature	0°C to 40°C
Relative Humidity	Maximum relative humidity 80% for temperature up to 31°C decreasing linearly to 50% relative humidity at 40°C
Altitude	Operating below 2000m
Storage Temperature	-20°C to 60°C, < 80% R.H. (with battery removed)
Temperature Coefficient	nominal 0.15 x (specified accuracy)/ °C @(0°C -18°C or 28°C -40°C), or otherwise specified
Sensing	Average sensing
Safety	Meets EN61010-1:2001; IEC61010-2-032(2002), EN61010-2-032(2002), UL61010B-2-032(2003) Category III 600 Volts AC & DC.
Transient protection	6.5kV (1.2/50µs surge) for all models
Pollution degree	2
E.M.C.	Meets EN61326-1
In an RF field of 3V/m	Capacitance function is not specified. Other function ranges: Total Accuracy = Specified Accuracy + 45 digits. Performance above 3V/m is not specified.
Overload Protections	Clamp-on jaws: DC 1000A or AC 800A rms continuous + & COM terminals (all functions) – 600VDC/VAC rms
Power Supply	standard 1.5V AAA Size (NEDA 24G or IEC R03) battery X 2; or 1.5V AAA Size (NEDA 24A or IEC LR03) alkaline battery X 2
Power Consumption	typical 11mA for ACA/DCA and 2.9mA for other functions
APO Timing	Idle for 30 minutes
APO Consumption	typical 10µA
Dimension	L227mm X W78mm X H40mm
Weight	290 gm approx
Jaw opening & Conductor diameter	50mm max

Electrical Specifications	Accuracy is ±(% reading digits + number of digits) or otherwise specified, at 23°C ± 5°C & less than 75% R.H.
DC Voltage
	400.0 mV
	4.000V, 40.00V, 400.0V
	600V
NMRR :	>50dB @ 50/60Hz
CMRR :	>120dB @ DC, 50/60Hz, Rs=1kΩ
Input Impedance :	10MO, 30pF nominal (1000MΩ for 400.0mV range)
AC Voltage
50Hz ~ 500Hz	400.0mV 1)
50Hz ~ 60Hz	4.000V, 40.00V, 400.0V
60Hz ~ 500Hz	4.000V, 40.00V, 400.0V
50Hz ~ 500Hz	600V
CMRR :	>60dB @ DC to 60Hz, Rs=1kΩ
Input Impedance:	10MΩ, 30pF nominal
1) Selection by RANGE button manually, and is specified from AC 40mV and up
Resistance
	400.0O
	4.000kΩ, 40.00kΩ, 400.0kΩ
	4.000MΩ
	40.00MΩ
Open Circuit Voltage :	0.4VDC typical
Audible Continuity Tester
Open Circuit Voltage:	0.4VDC typical
Range: 400.0Ω; Accuracy:	1.5% + 6d
Audible threshold:	between 10Ω and 120Ω.
Diode Tester
Open Circuit Voltage	Test Current (Typical)
< 1.6 VDC	0.4mA
Capacitance
	500.0nF, 5.000µF, 50.00µF,500.0µF, 3000µF 1)
1) Additional 50.00nF range accuracy is not specified
2) Accuracies with film capacitor or better
3) Specified with battery voltage above 2.8V (approximately half full battery). Accuracy decreases gradually to 12% at low battery
warning voltage of approximately 2.4V
DC Current (Clamp-on)
400.0A	0.0A ~ 400.0A
1000A	400A ~ 800A
	800A ~ 900A
	900A ~ 1000A
1) Induced error from adjacent current-carrying conductor: < 0.01A/A
2) δ Zero mode must be applied to zero the unit before measurement to ensure accuracy. This is particularly important below 20A.
AC Current (Clamp-on)
400.0A
	15Hz ~ 40Hz
	40Hz ~ 200Hz
	200Hz ~ 400Hz @ <50A 2)
	400Hz ~ 1kHz @ <50A 2)
800A
	15Hz ~ 40Hz @ 400A ~ 600A
	40Hz ~ 100Hz @ 400A ~ 600A
	15Hz ~ 60Hz @ 600A ~ 800A
1) Induced error from adjacent current-carrying conductor: < 0.01A/A
2) Accuracy is specified at <50A in this frequency bandwidth due to limited calibrator output capability for testing

Description Datasheet Specifications

Amprobe ACDC-100 1000 A AC/DC Clamp Meter attributes

AC/DC

Clamp Meter Type

601-1000

Max Current AC

601-1000

Max Current DC

401-600

Max Voltage AC