This manual provides performance test and calibration information for the Fluke 321 and 322 ClampMeters.
This document provides calibration and performance test instructions for Fluke 321 and 322 clamp meters. It includes safety warnings, specifications, battery replacement, cleaning, and calibration adjustment procedures. The document also outlines required equipment and test setups for verifying meter accuracy.
The manual is intended for qualified personnel only and includes detailed steps for performing performance tests, adjusting calibration, and replacing user-replaceable parts.
| AC Current Range | 0-400.0A (50/60 Hz) / 40.0-400.0A |
|---|---|
| AC Voltage Range | 0 - 400.0 V, 400 - 600 V |
| DC Voltage Range | 0 - 400.0 V, 400 - 600 V |
| Continuity Test | <300 |
| Jaw Opening | 1 inch (26 mm) |
| IP Rating | 40 |
| Operating Temperature | -10 °C to 50°C |
| Storage Temperature | -40 °C to 60°C |
| Accuracy (AC Amps 50 Hz-60Hz) | 1.8% +5 counts |
| Accuracy (AC Amps 60 Hz - 400 Hz) | 3.0% +5 counts |
The AC current range is 0-400.0A (50/60 Hz) for the 321 and 40.0-400.0A for the 322.
The accuracy is 1.8% +5 counts.
Turn the rotary switch to OFF, remove the test leads, loosen the battery compartment door screw, remove the batteries, replace with 2 new AAA batteries, and reattach the door.
The operating temperature range is -10 °C to 50°C.