EXM 24/25 – Intrinsically Safe-PN

Low Voltage Testers – Other Voltage Testers – EXM 24/25 – Intrinsically Safe

Part number: 211

Product Enquiry




  • EXM 24 for voltage tests and resistance measurement or
  • EXM 25 with illuminated two-line display for voltage, resistance, current, frequency and temperature with measurement accessory
  • Power supply either from disposable or rechargeable batteries
  • Multifunctional accessories


Function of voltage testers

  • Moulded resistors directly behind the test buttons guarantee an absolutely safe voltage testing – CAT IV 1000 V
  • Approved for intrinsically safe or not intrinsically safe circuits up to 2000 V
  • Distinctive by separate measurement tips for safe voltage tests and resistance measurements
  • Voltage measuring tips lockable by bayonet fitting
  • Additional LED signal for voltage
  • Moulded safety barrier protects against voltage during resistance measurements

Easy handling

Automatic functions and integrated safety precautions to prevent faulty operation

  • Automatic range selector
  • Type of voltage/polarity is identified and indicated
  • Red LED indicates voltage, green LED indicates continuity
  • Moulded safety barrier avoid voltage during resistance measurements
  • DATA-HOLD-button records the displayed value
  • Self-test and automatic battery check
  • Automatic shutdown after 60 sec if no measurements are taken

Scope of delivery

Included in delivery are: DATA-HOLD measurement tips for voltage/frequency with short test electrodes and standard tips for Resistance/ current, as well as an intrinsically safe energy source, accumulator or battery.

Robust casing

Tested for decades in mining fields

  • Special casing made of impact-proof antistatic plastic and shatter-proof display cover
  • Universal jack with a bayonet fitting for DATA-HOLD measuring tips and further accessories
  • Standard jacks for resistance and current
  • LEDs for voltage and resistance
  • Magnets on its rear so the unit can be fixed to metal surfaces
  • Easily removable fuse socket (A-socket with moulded fuse)


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