The VarioSafe EXM 25 is a intrinsically safe multimeter for mining and chemical industries. Approved to ATEX for use in potentially explosive atmospheres up to 2000 V Ex I (mining) and 690 V Ex II (chemical industrie).
- NEW: 2 kV-Test probe for groupe Ex I
- universal for voltage, resistance, current, freqeuncy, temperature
- for intrinsically safe and not intrinsically safe circuits up to 2000 V according to ATEX directive 2014/34/ EU
- highest degree of safety provided by moulded protective resistors in DATA-HOLD test prods CAT IV, 1000 V
- intrinsically safe source of energy NiMH accu or Li-battery
- robust case made of antistatic plastic

The ΩMegaSafe is a easy testing ohmmeter for rapid testing according to VDE 0413 of protective and earth cables, equipotential bonding and lightning protection cables. The EP 4Ex is approved for use in EX II areas.

Datasheet |
Compact, intrinsically safe high-ohm-meter for insulation resistance and leakage resistance test from 1 kΩ up to 2 TΩ with test voltage of 32, 100 oder 500 V. Approved to ATEX for Ex I and Ex II ranges. The ISO 1Ex saves time, with it anti-static floors and surfaces can be tested directly in ex-zones.

Datasheet |
Ex Measurement and Testing Devices
Ex measurement and testing devices are specialized instruments designed for use in hazardous areas where explosive atmospheres may be present. They are engineered to operate safely in environments containing flammable gases, vapors or dusts. Typical applications include petrochemical plants, mining, chemical industry and any facility that requires electrical testing under Ex conditions.
FAQ
What is an Ex measurement device?
An Ex measurement device is designed not to act as an ignition source in explosive atmospheres. It follows an approved protection concept, such as intrinsic safety or flameproof enclosure, and is certified for specific hazardous zones.
Which tasks do Ex testing devices perform?
They measure and verify electrical values such as voltage, current, continuity, insulation or grounding in hazardous environments. They allow safe testing procedures where explosive atmospheres may occur.
What safety requirements apply to Ex testing devices?
The devices must comply with the approved protection concept, be certified for the respective zone and meet strict requirements for insulation, enclosure robustness and resistance to environmental conditions.
What should be considered when selecting an Ex device?
Important factors include the certified zone, the protection type, measurement range, robustness, ergonomic handling with protective gear and the availability of calibration and service options.
How are Ex testing instruments maintained?
A visual inspection should be carried out before each use. Functional tests and regular calibrations must follow manufacturer guidelines. Proper documentation is essential in many regulated industries.












































































































































































Datasheet