355 True RMS 2000 - Measuring equipment FLUKE - Free user manual and instructions
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| Product Type | Clamp Meter |
| Brand | Fluke |
| Model | 355 True RMS 2000 |
| Measurement Type | AC/DC Current, AC/DC Voltage, Resistance, Frequency, Capacitance, Continuity |
| True RMS | Yes |
| AC Current Range | 0 A to 2000 A |
| DC Current Range | 0 A to 2000 A |
| AC Voltage Range | 0 V to 1000 V |
| DC Voltage Range | 0 V to 1000 V |
| Resistance Range | 0 Ω to 400 kΩ |
| Display | 6000 counts, backlit LCD |
| Basic Accuracy | ±1% for AC current, ±0.5% for DC |
| Safety Rating | CAT III 1000 V, CAT IV 600 V |
| Power Supply | 6 AA batteries (1.5 V each) |
| Battery Life | 100 hours typical |
| Dimensions | 300 mm x 98 mm x 52 mm |
| Weight | 0.82 kg |
| Operating Temperature | -10 °C to 50 °C |
| Accessories | Test leads, alligator clips, carrying case |
| Features | Data Hold, Peak Hold, Min/Max/Avg, Auto Range, Relative Mode, Auto Off |
| Calibration | Recommended annually |
| Cleaning | Wipe with damp cloth, no solvents |
| Repairability | Replaceable fuses and batteries, service by qualified technician |
Frequently Asked Questions - 355 True RMS 2000 FLUKE
How do I measure AC current?
Set the rotary switch to the AC current range (A~). Clamp the jaw around the conductor, ensuring it is centered inside the jaw. Read the value on the display. For best accuracy, use the auto-ranging feature.
What is the maximum voltage the Fluke 355 can handle?
The Fluke 355 is rated for CAT III 1000 V and CAT IV 600 V. Do not exceed these ratings. Always observe safety precautions when measuring high voltages.
How do I replace the batteries?
Turn off the meter and disconnect all test leads. Remove the battery door screw and slide off the door. Replace the six AA batteries (1.5 V) with fresh ones, observing correct polarity. Reattach the door and tighten the screw.
What does the 'OL' reading mean?
'OL' stands for Over Limit or overload. It indicates the measured value exceeds the selected range or the meter's maximum capability. Switch to a higher range or ensure the measurement is within the meter's specifications.
How often should I calibrate the meter?
Fluke recommends annual calibration to ensure accuracy. Calibration should be performed by a qualified technician using certified standards. The meter may also require calibration after severe shock or exposure to harsh conditions.
Can I measure DC current with this clamp?
Yes, the Fluke 355 measures DC current up to 2000 A. Select the DC current range (A---) and use the zero adjustment function to null any residual magnetism before measurement for accurate results.
How do I use the peak hold function?
Press the PEAK button to activate Peak Hold. The meter will capture and display the maximum (or minimum) peak value. Press PEAK again to cycle between Max, Min, and normal mode. This is useful for capturing inrush currents or motor start-up.
What is the accuracy for resistance measurements?
Resistance accuracy is ±1% of reading + 5 digits in the 400 Ω range. For other ranges, refer to the manual. Ensure the circuit is de-energized before measuring resistance to avoid damage.
Is the meter auto-ranging?
Yes, the Fluke 355 has auto-ranging for most functions. It automatically selects the appropriate range for the measurement. You can also manually select a range using the RANGE button if desired.
How do I clean the meter?
Clean the exterior with a damp cloth and mild detergent. Do not use solvents or abrasives. Keep the jaw faces clean for accurate current measurement. Dry the meter completely before use.
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USER MANUAL 355 True RMS 2000 FLUKE
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Product information
Brand : FLUKE
Model : 355 True RMS 2000
Category : Measuring equipment