Description
Fluke I430-FLX-TFII-12 – 6000 A Flexible AC Current Probe 30cm (12 inch)

- For use with the Fluke 430 series I and II Power Quality Analyzers and other dedicated test tools
- Optimized for current measurement on thick and hard to reach conductors
The I430-FLX-TFII-12 (the Probe or Product) is a flexible AC current probe for use with the Fluke 430 series I and II Power Quality Analyzers and other dedicated test tools. The i430-Flexi-TF-II is optimized for current measurement on thick and hard to reach conductors. Check the user documentation of your test tool for compatibility before you use this current sensor.
Symbols
The table below is a list of the symbols used on the Probe and in the instructions.
| Symbol | Description |
![]() | WARNING – RISK OF DANGER. Consult user documentation. |
![]() | WARNING. HAZARDOUS VOLTAGE. Risk of electric shock. |
![]() | Do not apply around or remove from uninsulated hazardous live conductors without taking additional protective measures. |
![]() | Double Insulated |
![]() | Measurement Category II is applicable to test and measuring circuits connected directly to utilization points (socket outlets and similar points) of the lowvoltage MAINS installation. |
![]() | Measurement Category III is applicable to test and measuring circuits connected to the distribution part of the building’s low-voltage MAINS installation. |
![]() | Measurement Category IV is applicable to test and measuring circuits connected at the source of the building’s low-voltage MAINS installation. |
![]() | Conforms to European Union directives. |
![]() | Certified by CSA Group to North American safety standards. |
![]() | Conforms to relevant Australian safety and EMC standards. |
![]() | This product complies with the WEEE Directive marking requirements. The affixed label indicates that you must not discard this electrical/electronic product in domestic household waste. Product Category: With reference to the equipment types in the WEEE Directive Annex I, this product is classed as category 9 “Monitoring and Control Instrumentation” product. Do not dispose of this product as unsorted municipal waste. |
Instrument Compatibility
The i430-Flexi-TF-II series is used with the Fluke 430-series and Fluke 430-II series Power Quality Analyzers specifically or with other test tools that explicitly state compatibility. Refer to user documentation of the test tool for information about compatibility.
Maximum measurement range on all models is 6000 A.
Minimum measurement range on Fluke 433/434/435 is 30 A.
Unpack
These items are included in the shipment:
- i430-Flexi-TF-II Current Probe(s)
- Instructions (this paper)
Check the contents of the shipment for completeness. If something in the box is damaged or missing, contact your distributor or the nearest Fluke sales or service office.

How to Use the i430-Flexi-TF-II
- Connect the BNC connector of the i430-Flexi-TF-II to the input on the Fluke 430 series Power Quality Analyzer.
- Wear protective equipment or de-energize the circuit before you connect the flexible probe around the conductor.
- Re-energize the circuit if not energized.
- Center the conductor perpendicularly inside the flexible probe area. If this is not possible, an additional measurement error of ±2 % of reading can occur. See Electrical Specifications.
- Avoid taking measurements close to other current-carrying conductors if possible.
- Make sure that the arrow marked on the probe coupling points toward the correct orientation for correct phase display on the instrument. See also the setup screen of the instrument.
- Keep the probe coupling more than 2.5 cm (1 inch) away from the conductor.
- Observe the current value and waveform on the instrument display.
- Observe the safety instructions when you connect and use the i430-Flexi-TF-II.
- Wear protective equipment or de-energize the circuit before you disconnect the flexible probe.
If the i430-Flexi-TF-II does not work
If the Probe does not perform properly, use the following steps to help isolate the problem:
- Inspect the coupling system for any damage. If any foreign material is present, the coupling system will not close properly and errors will result.
- Inspect the cable between the flexible probe and the Power Quality Analyzer for any damage.
- Check if the i430-Flexi-TF-II is the selected current probe on the Power Quality Analyzer (Clamp i430-Flexi-TF-II).
- Verify that the function and range selection on the Power Quality Analyzer is correct.
Clamp Meters/Current Clamp Adaptors / Current Clamps Template | |
|---|---|
| Type (Current Clamp Adaptors | Flexible/Rogowski |
| Maximum Current AC | 6000 A |
Product General Attributes | |
| Product Height | 0.50 IN |
| Product Length | 8.00 IN |
| Product Width | 8.00 IN |
| Country of Origin | Bulgaria |
| Shipping Height | 0.50 IN |
| Shipping Length | 8.00 IN |
| Shipping Width | 8.00 IN |













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