The MENHIR (Modular Enhanced Intelligent Recorder) from Semex Engcon measures vibrations and shocks in an efficient and secure way. It makes complex tasks in structural dynamics, structural and vibration monitoring easy with customised solutions.


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These areas require robust equipment with high-reliability recording, data transfer and analysis to handle high demands. MENHIR, in conjunction with the SDC software (Smart Data Centre) specially developed for this purpose, guarantees secure collection, transmission and data analysis as a total solution.

MENHIR’s simple and intuitive operating concept allows anyone with minimal training to work successfully and quickly with the system.

Whether you manage only one measuring point or dozens, MENHIR makes it easy. The innovative cloud solution “Smart Data Centre“ (SDC) Basic is included as an integral part of MENHIR system. An optional complete analysis module is also available providing a tool for effortlessly comparing to all common standards. Reports may be configured to your liking, automatically generated and transmitted electronically in free adjustable intervals.

An internal SIM card slot available. The additional, external SIM card slot, allows you to determine at any time, without opening the device, which provider transmits your data. Your MENHIR may also be equipped with an optional, inexpensive M2M solution.

No power at the job site? Never mind, MENHIR’s internal battery provides up to 48 hours operating autonomy, depending on transmission requirements.

Interfaces LAN 1 x Ethernet 10/100Base-TX, IEEE 1588 compliant Sensor Bus 1 x RS-485 (isolated) Relay 1 x Power Relay (normally open), 2A On/Off 1 x Push Button + LED SIM-Card 1 x SIM-Card slot for cellular operation Wireless Connectivity Cellular (M2M) GSM, UMTS, LTE WLAN (short range) 802.11 b/g/n compatible, Access Point and Station mode Sub-1 GHz (long range) 863-870 MHz SRD band with up to 2 km line of sight (LoS) GNSS GPS optional Communications Secure content delivery Secured delivery (TLS/SSL) to SmartDataCenter™ server Optional FTP file transfer to proprietary server Remote access Secured access from SmartDataCenter™ cloud application Local access Secured WLAN access to internal webserver through graphical user interface Power Supply Voltage 9…36 VDC unregulated Protections Reverse voltage, over/under voltage, Self-resettable fuse Power supply isolated from signal ground Autonomy Internal Li-Ion battery with charge control Consumption < 3W Physical Mounting 3 adjustable feet with bubble level Housing Corrosion resistant aluminum Dimensions 200 mm x 140 mm x 108 mm Weight 4.5 kg Environmental Temperature Range Operating: – 30°C to 60°C Storage: – 40°C to 75°C Humidity 0-100% RH (non-condensing) Enclosure rating IP65 (IP67 optional) Certification & Conformity Electrical Safety In compliance with DIN EN 61010-1 EMC In compliance with DIN EN 61326-1

MENHIR Datasheet

MENHIR Brochure

Smart Data Center” software datasheet

Datasheet on dam monitoring

Facts & Figures datasheet







Make complex tasks in structural dynamics and structural vibration monitoring easy