Leuze Light-Beam Device Integrates Muting Lamp

The MLD Ranges Of Multiple-Light-Beam Devices from Leuze Electronic are said to offer more features at a lower price than the ranges they replace. The multiple-light-beam safety devices (MLD) include the option of an integrated muting lamp, which has a 'halo' design.

The MLD range offers either 'Type 2', 'SIL 2', performance level 'd' protection from the MLD300 range, or 'Type 4', 'SIL3', 'PLe' from MLD500 devices. Within both ranges, there are three different levels of functionality. Optional extras include an integrated muting lamp at the top of the column, or integrated laser alignment at the top and bottom of the columns.

To provide easier installation, the MLD range features a bayonet style of swivel mount. These zinc-die castings are designed to enable quick alignment and provide reliable mounting. Commissioning or swapping out of the units is fast because all configuration of the MLD devices is defined by the wiring connections used and there is no requirement to use a PC or set DIP switches for configuration.

Explosion-Proof Sensors Added To Leuze Range

Leuze Electronic has extended its range of explosion-proof optical sensors with several new versions, and added a range of new protection housings. The housings can be fitted to Leuze Electronic's standard sensors to enable their installation in potentially explosive atmospheres.

The PH 3B55 Ex-n protective housings are designed for use with almost 200 Leuze sensors. This provides optical detection, contrast scanning, and distance measurement from its 3B, 25B and 55 series ranges. Sensors correctly mounted in the protective housing can be used in areas with a potentially explosive atmosphere consisting of a gas/air or dust/air mixture, which is expected to occur seldom and only briefly.

These are Zone 2 (gas) and Zone 22 (dust) of Group II, category 3 according to the CENELEC classification. In Zone 22, the devices can be used with conductive and non-conductive dust. The sensors also comply with the new international standards IEC EN 60079-15 and IEC EN 61241-1.