Designed to perform in the toughest environments and provides you with reliable results, this True RMS clamp meter allows access in tight areas due to its slim, compact size. It is ideal for identifying the presence of load current, AC voltage, and continuity of circuits, switches, fuses, and contacts.
Designed to perform in the toughest environments and provides you with reliable results, this True RMS clamp meter allows access in tight areas due to its slim, compact size. It is ideal for identifying the presence of load current, AC voltage, and continuity of circuits, switches, fuses, and contacts.
Delivers rugged and reliable performance and includes True RMS measurements, optimized ergonomics, and large display which makes it ideal for troubleshooting. This clamp meter is part of the 320 series and is built to perform in the toughest environments, and provides you with noise-free and reliable results. Its slim, compact size and rugged design makes it well suited for measuring currents up to 400 A in tight cable compartments. Use it to verify the presence of load current, AC voltage, continuity of circuits, switches, fuses, and contacts.
Features
Applications
| AC Current | Range: 400 A Accuracy: 2% ±5 digits (45 to 65 Hz), 2.5% ±5 digits (65 to 400 Hz) | 
| AC Voltage | Range: 600 V Accuracy: 1.5% ±5 digits | 
| DC Voltage | Range: 600 V Accuracy: 1.0% ±5 digits | 
| Resistance | Range: 400.0 Ω/ 4000 Ω Accuracy: 1.0% ±5 digits | 
| Continuity | ≤70 Ω | 
| AC Response | True RMS | 
| Data Hold | Yes | 
| Max Wire Diameter | 1.2" (30 mm) (600 MCM) | 
| Dimensions | 8.15 x 2.95 x 1.34" (207 x 75 x 34 mm) | 
| Weight | 0.6 lb (265 g) | 
| Category Rating | CAT III 600V, CAT IV 300V | 
 
     
		
	Does your clamp report the true-rms reading? Is the problem with your motor or your clamp?
Imagine that you have spent the whole day troubleshooting a problem with a motor
		only to discover that the problem wasn’t really the motor, but the clamp you were using to measure it. You stake your reputation on your ability 		to get the job done, be sure your clamp meter is working for you 
First, make sure your clamp meter reports the true-rms reading. Otherwise noise from everything
		including a variable frequency drive to compact fluorescent bulbs can result in a less 
Does your clamp report the true-rms reading? Is the problem with your motor or your clamp?
Have you ever dropped your clamp? Do you use your clamp outside? Ever used your clamp to pry apart wires?
Making accurate and repeatable results in a laboratory is a good start. But you don’t always work in a clean and controlled environment. Before 		making a purchase, check whether the clamp is specified to work in the 
Be sure you don’t buy a clamp specified for indoor use only or with a minimum operating range warmer than 15 °F if you think you might need to 		make measurements outside. If the clamp isn’t designed for the outdoors the
		measurements you get might 
Finally be sure the clamp you are using is rugged enough to continue to give reliable results after years of prying wires apart, drops from 			ladders and	bouncing around the back of 
Have you ever dropped your clamp? Do you use your clamp outside? Ever used your clamp to pry apart wires?
Does the clamp have the correct rating for the work you are doing? Can you use the meter easily when wearing personal protective equipment?
Your test and measurement tools are a critical barrier between you and danger. They are quite literally an extension of your body into a very 		dangerous environment. First things first, be sure you choose a clamp meter with an appropriate category rating for the work 
Second, choose a brand with a reputation for providing safe and reliable test equipment. Anyone can buy a clamp meter and put their brand on 		it. Only a few manufacturers design, build and test their own equipment to exceed international 
Finally, your clamp meter is part of a safety system that includes personal protective equipment (PPE). In addition to having the right PPE, 		be sure that you can easily operate your test and measurement equipment with that 
Does the clamp have the correct rating for the work you are doing? Can you use the meter easily when wearing personal protective equipment?
Not using all the features on your clamp meter?
These days you can get almost anything built into a clamp meter (tape measure anyone?). The more gadgets that are built into a clamp meter, the 		harder it becomes to use and the worse it performs. Instead of trying to get the most features possible, chose a meter that has the measurement 		functions you need to get the job done, without any of fluff that doesn’t make sense. Plus, you don’t end up paying for features irrelevant to the 		
Not using all the features on your clamp meter?
Click on a category to view a selection of compatible accessories with the Fluke 323 True RMS Clamp Meter, 400 A.
| AC Current | Range: 400 A Accuracy: 2% ±5 digits (45 to 65 Hz), 2.5% ±5 digits (65 to 400 Hz) | 
| AC Voltage | Range: 600 V Accuracy: 1.5% ±5 digits | 
| DC Voltage | Range: 600 V Accuracy: 1.0% ±5 digits | 
| Resistance | Range: 400.0 Ω/ 4000 Ω Accuracy: 1.0% ±5 digits | 
| Continuity | ≤70 Ω | 
| AC Response | True RMS | 
| Data Hold | Yes | 
| Max Wire Diameter | 1.2" (30 mm) (600 MCM) | 
| Dimensions | 8.15 x 2.95 x 1.34" (207 x 75 x 34 mm) | 
| Weight | 0.6 lb (265 g) | 
| Category Rating | CAT III 600V, CAT IV 300V | 
 
     
		
	Does your clamp report the true-rms reading? Is the problem with your motor or your clamp?
Imagine that you have spent the whole day troubleshooting a problem with a motor
		only to discover that the problem wasn’t really the motor, but the clamp you were using to measure it. You stake your reputation on your ability 		to get the job done, be sure your clamp meter is working for you 
First, make sure your clamp meter reports the true-rms reading. Otherwise noise from everything
		including a variable frequency drive to compact fluorescent bulbs can result in a less 
Does your clamp report the true-rms reading? Is the problem with your motor or your clamp?
Have you ever dropped your clamp? Do you use your clamp outside? Ever used your clamp to pry apart wires?
Making accurate and repeatable results in a laboratory is a good start. But you don’t always work in a clean and controlled environment. Before 		making a purchase, check whether the clamp is specified to work in the 
Be sure you don’t buy a clamp specified for indoor use only or with a minimum operating range warmer than 15 °F if you think you might need to 		make measurements outside. If the clamp isn’t designed for the outdoors the
		measurements you get might 
Finally be sure the clamp you are using is rugged enough to continue to give reliable results after years of prying wires apart, drops from 			ladders and	bouncing around the back of 
Have you ever dropped your clamp? Do you use your clamp outside? Ever used your clamp to pry apart wires?
Does the clamp have the correct rating for the work you are doing? Can you use the meter easily when wearing personal protective equipment?
Your test and measurement tools are a critical barrier between you and danger. They are quite literally an extension of your body into a very 		dangerous environment. First things first, be sure you choose a clamp meter with an appropriate category rating for the work 
Second, choose a brand with a reputation for providing safe and reliable test equipment. Anyone can buy a clamp meter and put their brand on 		it. Only a few manufacturers design, build and test their own equipment to exceed international 
Finally, your clamp meter is part of a safety system that includes personal protective equipment (PPE). In addition to having the right PPE, 		be sure that you can easily operate your test and measurement equipment with that 
Does the clamp have the correct rating for the work you are doing? Can you use the meter easily when wearing personal protective equipment?
Not using all the features on your clamp meter?
These days you can get almost anything built into a clamp meter (tape measure anyone?). The more gadgets that are built into a clamp meter, the 		harder it becomes to use and the worse it performs. Instead of trying to get the most features possible, chose a meter that has the measurement 		functions you need to get the job done, without any of fluff that doesn’t make sense. Plus, you don’t end up paying for features irrelevant to the 		
Not using all the features on your clamp meter?
Click on a category to view a selection of compatible accessories with the Fluke 323 True RMS Clamp Meter, 400 A.