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Cable Glands, Components and Enclosures

Ammeter/voltmeter

Easy-to-read current and voltage values in hazardous areas
R. STAHL's explosion-protected ammeters and voltmeters measure current and voltage values and display them in an easy-to-read format. The adjustable red pointer shows you at a glance the extent to which a measured value deviates from the specified value.

R. STAHL's ammeters and voltmeters use a moving iron or permanent-magnet moving coil movement that fulfils the requirements for accuracy class 2.5. These instruments measure current and voltage respectively, displaying the measured values on an easy-to-read scale. You can adjust the red pointer on the outside of the device. This pointer allows you to see at a glance the extent to which the actual measured value deviates from it. The scale plate that can be pushed in at the side on versions with CT connection (1 A and 5 A) makes assigning a measurement range in situ a quick and easy task.

  • Compare the measured value with specified values more quickly
  • For installation in Ex e enclosures
  • Replaceable scale plate makes assigning measurement ranges easy for versions with CT connection; versions for direct connection also available

Filter product lines

Select the product lines that are applicable to your intended use.

Scope
Zones
Min. ambient temperature
Max. ambient temperature
Type of protection (IP)
Frequency
Description​
Rated operational voltage AC
Rated operational voltage DC
Max. measuring range
Min. measuring range

4 Series (29 Products)

Ammeter for Ex i circuits Series 8402

  • Ammeters in various versions, for Ex i circuits and Ex e enclosures
  • Quicker comparison of measured values using externally adjustable red pointers on the device
  • Selection of different current measuring ranges of between 0 and 20 mA or 4 to 20 mA

Ammeter Series 8403

  • Ammeters in various versions, for Ex e enclosures
  • Quicker comparison of measured values using externally adjustable red pointers on the device
  • On models with CT connection (1 A, 5 A), easy and quick measuring range assignment via retractable scale plate

Voltmeter Series 8404

  • Voltmeters in various versions, for Ex e enclosures
  • Quicker comparison of measured values using externally adjustable red pointers on the device
  • Selection of different voltage measuring ranges between 0 and 500 V

Ammeter Series 8405

  • Ammeters in various versions, for Ex e enclosures
  • Quicker comparison of measured values using externally adjustable red pointers on the device
  • Selection of different current measuring ranges
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