HRL Series – Anchor Load Cell

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Product Description

HRL Series load cells consist of a high quality stainless steel. This compact load cell is designed specifically for heavy duty use on construction sites and include load cells with a range of 600 … 3 000 kN. Special designs are available upon request. The attached shielded cable includes a water-proof connector with cap. Versions without the connector are available as an option. Cable lengths are customizable according to the installation requirements; for further information please contact us. The data collected from the strain gauge is proportional to the applied force. The signal is transmitted to the monitoring unit for amplification.

Features

  • Monitors anchor forces and other force measurements
  • Range: 600 … 3 000 kN
  • Admissible overload: 120 % of the nominal load
  • Maximum load: 300 % of the nominal load
  • Suitable for heavy-duty use on construction sites
  • Easy to assemble
  • Protection class: IP 66
  • Special designs available upon request
  • Optional: Lightning and Surge Protection

Specifications

MODEL HRL-4-1000 HRL-7-1500 HRL-12-2000 HRL-19-3000
MECHANICAL CHARACTERISTICS
Number of strands 4 7 12 19
Nominal Load 600 kN 1 000 kN 1 700 kN 2 700 kN
Admissible Overload (% of NL) 120 %
Overload at Rupture (% of NL) 250 %
Accuracy Class 1 % (of NL) a)
ELECTRICAL CHARACTERISTICS
Nominal Sensitivity 1.98 mV/V ± 1% 2.2 mV/V ± 1% 1.8 mV/V ± 1% 1.91 mV/V ± 1%
Input Resistance 700 - 1100 Ω
Output Resistance 700 Ω
Nominal Supply Voltage of Strain Bridge 5 V to 10 V
Combined Error (Non-linearity + Hysteresis) 1 %
ENVIRONMENT & ELECTRICAL CONNECTION
Reference Temperature +23 °C
Operating Temperature - 30 °C to + 70 °C
Temperature Influence: On Zero ≤ ± 0.01 % / K
Temperature Influence: On Sensitivity ≤ ± 0.01 % / K
Protection Class IP 66
Option: Lightning and Surge Protection up to 20 kA (8 / 20 μs)
Connection Integrated cable with LEMO connector
(several cable lengths are available on request)

a) Accuracy depends on the environment, the assembly and the quality of the supports.

Applications

Magtrol HRL Series Load Cells can be used to monitor anchor forces in classical and pre-stressed structures on sites (civil engineering, tunnels…) as well as a range of other static or dynamic measurements, in harsh, tropical, offshore, marine and harbour environments.

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                    [post_content] => The JB Series Junction Box from Magtrol are designed for connecting 1 to 4 strain gauge sensors to a Load Measuring Unit (e.g. LMU 210 Series). This element fits perfectly into a load measurement system and is specially designed to withstand hostile environments according to the same criteria as the LMU 210 Series.
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                    [post_content] => Note: Not available in the US.

The load cells of the ZC series have been designed for application in platform scales in the classes C1 to C3 according to OIML-RI 60 for platform sizes up to 600The load cells of the ZC series have been designed for application in platform scales in the classes C1 to C3 according to OIML-RI 60 for platform sizes up to 600 mm × 600 mm. They are made entirely of high strength low-hysteresis aluminum alloy with its outstanding measuring properties. The sensing element itself is a well-proven configuration of parallel benders. Metal-foil strain gauges transform the elastic deformation of the sensing element into a truly proportional electrical signal, which can be processed by an electronic weighing unit. The strain gauges are under a heavy-duty cover plate to protect them against climatic influences. As a standard, the load cells are equipped with a 1.5 m connection cable (different lengths or 6-wire connection are optional). In addition to the nominal loads given in the specification, intermediate load values can be delivered. It is a matter of course that these load cells, after calibration in N, can also be supplied as high-precision force transducers up to the accuracy class 0.05%. Due to their single-point configuration, these cells are largely insensitive to the off-center introduction of force. The load cells may also be supplied with an integrated amplifier (model ZC-E). Their electrical output can be chosen as either (0 to 10) V or (4 to 20) mA.
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                    [post_content] => The MBB-02 Miniature Force Sensor is designed for micro-measurement. It is used by many high end watch manufacturers for measuring the friction in the movement of mechanical watches and is also used in various medical applications.

The MBB-02 is entirely made of aluminum to combine lightness and stability of measurement. It has a nominal capacity range of 0.01 N to 5 N and uses semi-conductor strain gauges. Having a larger gauge factor than foil types, semiconductor strain gauges allow the measurement of very small strain. The sensor integrates a built-in overload protection offering up to 25 times security. Dedicated to laboratory applications, it is suitable for a temperature range of +15 °C to +25 °C. It can be easily connected to a PC or display unit through an external Wheatstone bridge amplifier. A version for Air Humidity compensation in ranges of 30 % to 60 % HR is also available. Applied force radially acts on  the sensors pin which can be independently positioned in 2 different locations, thus offering more operating flexibility. Special versions with various cable lengths and connector outputs are also available.
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                    [post_content] => Magtrol DB-DA and DB-DC transducers are designed for measuring radial forces in ball bearings. Available in several diameters and temperature ranges, these transducers incorporate strain gauge technology and provide a signal output proportional to the force to being measured.
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