Eigenschaften
Clamp diameter Ø / sensor length	MA400D-170 : Ø 45 mm / 170 mm MA400D-250 : Ø 70 mm / 250 mm MA400D-1000 : Ø 318 mm / 1000 mm
Dimensions of housing	100 x 60 x 20 mm
Length of connected link cable	0,8 m

The Chauvin Arnoux MA4000D-1000 is a digital TRMS ammeter of the DigiFlex series, specifically designed for measuring alternating current in industrial and power engineering applications. It features a flexible current sensor with a length of 1000 mm and an encircling Ø of 320 mm, enabling measurement on hard-to-reach or multi-conductor cables. The device is self-powered and displays current strength directly on a 4000-point digital display. It is suitable for use in enclosures up to 600 V CAT IV and offers a bandwidth of 10 Hz to 3 kHz, ensuring precise measurement even with high-frequency signals.

Applications

The MA4000D-1000 is suitable for measuring alternating currents in high-power installations, for example in industry, power generation plants, or distribution networks. The high measurement range limit of 4000 A enables application in high-performance installations, while the lower limit starts at 400 A. The combination of flexible measuring loop and compact housing facilitates installation in confined spaces or on cables that are not directly accessible.

Functions and Equipment in Detail

The device features a direct display of current strength in three measurement ranges: 40.0 A to 399.9 A, 400 A to 3999 A. Resolution is 100 mA up to 399.9 A and 1 A from 400 A onwards. Accuracy is ±(1.5% + 2 digit) for all ranges. The integrated maximum value memory (MAX HOLD) enables capturing the highest measured value during measurement. Operation is via two buttons, controlling power on/off, auto-shutdown, and display hold (HOLD).

Technology Explained Simply

TRMS measurement (True Root Mean Square) represents true RMS measurement, which enables accurate representation of current strength especially with non-sinusoidal currents, such as those occurring in modern electronic loads. The bandwidth of 10 Hz to 3 kHz covers most industrial applications. Power supply is via two 1.5 V AAA batteries, included in the delivery. The device is designed for operation at temperatures from 0°C to +50°C and complies with safety standard IEC 61010 CAT IV 600 V, ensuring safe use in electrical installations up to 600 V.

Compatibility and Accessories

The MA4000D-1000 is compatible with the MultiFix multi-purpose magnetic holder, enabling secure attachment of the device to iron or steel surfaces. Delivery includes additionally a transport pouch with dimensions 120 x 200 x 60 mm, allowing safe storage and transportation of the device. The hook-and-loop strap facilitates storage and organization of the device.

Mounting and Installation

The flexible measuring loop can be placed around the cable to be measured, with the encircling Ø of 320 mm covering a wide range of cable cross-sections. Magnetic mounting via the MultiFix holder enables secure attachment to metallic surfaces, keeping hands free. The short connection length of 0.8 m between sensor and housing ensures compact handling.

Advantages in Operation

The combination of flexible measuring loop, compact design, and direct digital display enables fast and precise current measurement without additional tools. TRMS technology ensures high measurement accuracy even with distorted current waveforms. The integrated maximum value memory and simple operation via two buttons increase efficiency during measurement. The safety approval CAT IV 600 V makes the device suitable for use in electrical installations up to this voltage.

The device weighs approximately 130 g and has a housing with dimensions 100 x 60 x 20 mm, enabling comfortable handling. Delivery includes two AAA batteries, a hook-and-loop strap, and a transport pouch. The operating instructions are included in five languages.