Description
The Fluke 434-II is a three-phase energy analyzer for electricians and energy managers who need to see where power is being wasted. It measures voltage, current, power, harmonics and unbalance on all three phases and neutral, then uses its energy loss calculator to express losses as a cost. This complete package includes four thin i430flex-TF flexible current probes that fit around conductors in crowded panels. Automatic trending and a configurable logger make it straightforward to run load and energy studies.
Key features
- Energy loss calculator expresses wasted energy as a cost
- Four i430flex-TF flexible current probes included
- Automatic trending of every measurement without setup
- EN50160 System-Monitor with 10 parameters on one screen
- Logger for up to 600 parameters at user-defined intervals
- Cursor and zoom tools for reviewing trends on site
Typical applications
- Energy audits and savings verification
- Load studies and capacity planning
- Harmonic and unbalance troubleshooting in facilities
- Inverter efficiency checks with an optional DC clamp
Specifications
| Brand | Fluke |
|---|---|
| Model | 434-II |
| Product type | Three-phase energy analyzer |
| Inputs | 4 voltage and 4 current channels (three phases plus neutral) |
| System monitor | 10 power quality parameters on one screen per EN50160 |
| Logging | Up to 600 parameters at user-defined intervals |
| Safety rating | 600 V CAT IV / 1000 V CAT III |
| Data storage | 8 GB SD card |
| Battery | BP290 Li-ion, 28 Wh, 7 hours or more per charge |
| Current probes | 4 x i430flex-TF, 24 in (61 cm) |
What’s included
- BC430 power adapter with international plug adapter set
- BP290 Li-ion battery (28 Wh)
- TL430 test lead and alligator clip set
- WC100 color coding clips and regional decals
- 8 GB SD card
- PowerLog software on CD with PDF operator manuals
- USB cable (A to mini-B)
- Four i430flex-TF flexible current probes, 24 in (61 cm)
- C1740 soft carrying case





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