Fluke 438-II

| Attribute | Value |
|---|---|
| Measurement Categories | CAT III 1000 V, CAT IV 600 V |
| Motor Phases Supported | 3-phase and single-phase motors |
| Voltage Measurement Range (AC) | 1 V to 1000 V RMS |
| Current Measurement Range | Up to 2000 A AC (with optional current clamp accessory) |
| Power Measurements | True-power (W), apparent power (VA), reactive power (VAR), power factor, displacement power factor |
| Motor Efficiency Analysis | Calculates mechanical and electrical power, motor efficiency, torque, and speed (RPM) without mechanical sensors |
| Harmonics Analysis | Measures voltage and current harmonics up to the 50th order |
| Display | Large color LCD display with backlight |
| Data Logging & Connectivity | Internal memory with USB connectivity; compatible with Fluke Energy Analyze Plus software |
| Power Supply | Rechargeable Li-ion battery pack with up to 8 hours of operation; AC adapter included |
Fluke 438-II Options:
- 438-II - BASIC - Three-Phase Power Quality and Motor Analyzer without current flexis (excludes FC WiFi SD card)
- 438-II - INTL - Three-Phase Power Quality and Motor Analyzer, International version (excludes FC WiFi SD card)
- 438-II - RU - Three-Phase Power Quality and Motor Analyzer, Russia version
| Model | 438-II |
|---|
The Fluke 438-II Three Phase Power Quality and Motor Analyzer with iFlex Probes offers comprehensive measurement of electrical and mechanical parameters, including power, harmonics, unbalance, motor speed, torque, load, and efficiency. Utilizing proprietary algorithms, it calculates torque, speed, and efficiency without mechanical sensors, delivering results at a 1-second update rate. Its advanced PowerWave data technology captures fast RMS data, waveforms, and transients up to 6 kV, making it a powerful tool for analyzing motor performance and power quality issues in single-phase and three-phase systems.
Designed for predictive maintenance and troubleshooting, the Fluke 438-II helps identify overload, efficiency losses, and derating factors according to NEMA guidelines. It provides real-time motor health data, enabling technicians to optimize system performance and prevent costly downtime effectively.
Testwall can supply the used Fluke 438-II, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Fluke 438-II.




