Fluke 9040 Phase Rotation Indicator
Phase rotation indicator with high voltage capability for industrial applications The Fluke 9040 is effective for measuring phase rotation in all areas where three phase supplies are used to feed motors, drives and electrical systems. The Fluke 9040 is a rotary field indicator and can provide clear indication of the 3 phase via an LCD display and the phase rotation direction to determine correct connections. It allows rapid determination of phase sequence and has a voltage (up to 700 V) and frequency range suitable for commercial and industrial applications. The included test probes have a variable clamping range for safe contact, also in industrial sockets.
Description
Technical Specifications
Voltage Range: 40 – 700 V
Frequency Range: 15 – 400 Hz
Operating Timer: Continuous
Environmental Specifications
Operating Temperature: 0 °C to 40 °C
Dust / Water Resistance: IP40
Safety Specifications
Electrical Safety: EN 61010, EN 61557-7
Overvoltage Category: CAT III 600 V, CAT IV 300 V
Mechanical & General Specifications
Size: 124 x 61 x 27 mm
Weight: 200 g
Power Supply: Powered from unit under test (No battery required)
Warranty: 2 Years
Key Features
3 phase indication
Indication of phase rotation
Clear LCD display
No battery required
Compact and lightweight design
What’s Included
3 self-retaining test probes (black)
Alligator clip
User manual
Compatible Accessories
Fluke TLK290 Flexible Socket Probe Set
Fluke TLK291 Fused Test Probe Set
Fluke C25 Large Soft Case for DMMs
How to Use a Multimeter
Learn how to test voltage safely and correctly in electrical systems. This guide explains practical testing methods and safety tips when working with live circuits.
Click here to read: How to Use a Multimeter
Frequently Asked Questions
What is a phase rotation indicator used for?
A phase rotation indicator is used to determine the phase sequence of a three-phase electrical supply. This ensures motors and equipment rotate in the correct direction when connected.
Does the Fluke 9040 require batteries?
No. The unit is powered directly from the circuit under test, so no batteries are required.
Can it be used on 600 V systems?
Yes. It is rated CAT III 600 V and CAT IV 300 V, making it suitable for most commercial and industrial three-phase systems within that voltage range.
Is it safe for industrial environments?
Yes. It complies with EN 61010 and EN 61557-7 safety standards and is designed for professional use.
Why is phase rotation important?
Incorrect phase rotation can cause motors to run backwards, potentially damaging pumps, compressors, or other equipment. Always confirm phase sequence before commissioning machinery.
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