HomeEnvironmentalParameter Measurement › Ecom Instruments A2109/LSR Intrinsically-Safe Laser Tachometer


Ecom Instruments A2109/LSR Intrinsically-Safe Laser Tachometer


For the accurate and fast measurement of shaft rotation or speed with or without contact.

The A2109/LSR is ideal for fast laser-accurate measurement of the revolution of a shaft (either with or without contact) and speed (utilising the special adapter) in Zone 1.

The simple 3 push-button operation and the large clearly-readable display with over-head facility enables a wide, flexible field of application. This light-weight device provides an easy one handed operation and facilitates the carrying- out of measurements after which it can be stowed away in the tool box or jacket pocket.

Applications are to be found in the processcontroled field for the contactless measurement of the revolutions of a shaft at a safe distance using a laser beam. For boiler mixers, the rotor speed can be readoff from the drive shaft at a safe distance and documented. Motor revolutions can be acquired contactlessly in the immediate vicinity without having to open or remove safety fittings such as covers or protective grills.

The duration of pulses or the intervals between them can be simply, easily and accurately ascertained. Data can be simply acquired within Ex-protected areas without having to switch machines off because laser-accurate measurements can be made at a safe distance through protective devices thus complying with safety regulations.

The transport speed of conveyor belts can be exactly measured using the add-on adapter and thus directly recorded in the documentation.


Key Features

  High accuracy
  Handy size
  Digital display also for over-head measurement
  Types of measurement revolution, speed
  Measurement range 3 ... 99,999 rpm


Data Sheet

Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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Keison International Ltd. trading as:
Keison Products, VoIPon Solutions & 4Gon
keison VoIPon Solutions 4Gon