swiss sensor technology

Description of the

The LCM load cell is an electronic force transducer for monitoring and determining anchor forces, crane forces and other large forces. The LCM consists of a stainless steel cylinder fitted with strain gauges in a temperature-compensated arrangement. The sensor is designed for use in harsh conditions: maintenance-free, dust and water-protected in accordance with IP 68, it can be used over a wide temperature range.

This load cell contains a built-in temperature sensor that provides additional information about the ambient conditions. The sensor itself is fully temperature-compensated.

LCM load cells are supplied in various load ranges and customised internal diameters to suit the respective anchor head. Special designs are available on request. The type of load cell is automatically recognised by the Enertec measuring devices. This means that the user does not have to manually select the type of load cell in order to obtain the correct force value.

The load cell has a calibrated output signal in mV/V. Thanks to a 6-wire circuit, the measurement signal is independent of the cable length. The measuring cable is securely attached to the load cell with a stainless steel cable gland and is watertight.

The cable length can be freely selected by the customer. The enclosed shielded cable contains a waterproof plug with cap. Versions without a plug are optionally available.

The housing of the LCM is also made of stainless steel and is therefore very robust, shock and impact resistant.

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Application

Retaining walls
Deep excavation pits
Tunnelling
Diaphragm walls
Back anchorages
Struts
Rock anchor
Slope stabilisation
Wind turbines

Features

Load cells from 600 to 3,000 kN nominal load
Integrated temperature sensor as an option
Automatic detection of the type by Enertec measuring devices
Stainless steel elastic element
Protection class IP 67
Waterproof stainless steel cable gland

Robust, UV, acid and oil-resistant signalling cable
Integrated overvoltage protection
Freely selectable cable length
Plug at cable end or free cable ends on request
Matching with the corresponding anchor head of the anchor supplier on request
Continuous load is 100% of the rated load - 10% temporary overload
Special designs on request in top quality and short delivery times

Special sizes and force ranges on request.

Technical data

Type	LCM 600/52/50	LCM 750/90/80	LCM 1000/110/80	LCM 1800/135/80	LCM 2200/150/80	LCM 3000/165/80	LCM 4000/225/100
Nominal load [kN] (FS)	600	750	1000	1800	2200	3000	4000
Permanent load [kN]	600	750	1000	1800	2200	3000	4000
Permitted overload [kN]	110%	110%	110%	110%	110%	110%	110%
Internal support diameter (A) [mm]	52	90	110	135	150	165	200
Support outside diameter (B) [mm]	65	99	121	152	166	188	255
Outside diameter (C) [mm]	84	114	140	170	178	219	254
Height (H) [mm]	50	80	80	80	80	80	100
Signal [mV/V]	2,5	2,5	2,5	2,5	2,5	2,5	2,5