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] => 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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[post_content] => The Magtrol SGS-350 is a strain gauge bridge simulator made entirely with passive components and an aluminum housing designed for use in extremely harsh environments.
The SGS-350 can be used in place of a strain gauge sensor with 0 ... 2 mV/V sensitivity, in order to test or calibrate an LMU 210 Series Load Monitoring Unit (or other model), including threshold overload testing.
The SGS-350 can be supplied with 5 ... 10 V DC power supply.
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[post_content] => Magtrol’s AN Series Load Monitor, Signal Conditioner & Display are used for processing and displaying measurements from signals generated by transducers (weight, load, pressure, torque, etc.) that use standard strain-gauge bridges, such as Magtrol’s Load Measuring Pins LB Series(), Miniature Load Pins MB-02 Series() or any Custom Sensors based on strain gauge technology. The AN Series devices are suited for indoor use. These provides selectable input ranges and excitation voltages to accommodate cells of various types and sensitivities.
In some configurations (signal amplification, safety,...) it will be necessary to use the AN Series conditioner with a LMU Series - Load Monitoring Unit. If a remote or larger display is required a GAD Series - Digital Display (with heights ranging from 57 to 400 mm) can be used.
AN 1500 M: Load Monitor, Signal Conditioner & Display
As a Signal Conditioner, the AN 1500 M is designed to process and display signals coming from various types of transducers (weight, load, pressure, torque, etc.) that use standard strain-gauge bridges. As a Load Monitor the AN 1500 M can also receive any signal within the ± 150 mV DC range coming from a shunt, a converter or any type of transmitter.
The Load Monitor provides selectable input ranges (±15 mV, ±30 mV, ±150 mV) and excitation voltages (5 V, 10 V) to accommodate cells of various types and sensitivities. Two programming methods allow scaling of the meter to operate in the desired engineering units.
The basic instrument is a soldered assembly composed of a main board, a tri-color programmable display and a power circuit. Standard features include the reading of the input variable as well as remote (HOLD), the reading and memorization of minimum/maximum values (PEAK / VALLEY), TARE and RESET function, and a full complement of programmable logic functions.
AN 2000 C: Signal Conditioner & Display
The AN 2000 C Signal Conditioner & Display is designed to process and display signals coming from various types of transducers (weight, load, pressure, torque, etc.) that use standard strain-gauge bridges. It can also receive any signal within the range ± 300 mV DC coming from a shunt, a converter or any type of transmitter.
The Conditioner provides selectable input ranges (max. ±300 mV) and excitation voltages (5 V, 10 V) to accommodate cells of various types and sensitivities. Two programming methods allow scaling of the meter to operate in the desired engineering units.
The basic instrument consists of a PCB assembly including the main board, the display and the power supply filter, to which the A/D conversion circuit and the input option are added.
The functions of the basic instrument include the display of the input variable as well as the remote freezing of the display (HOLD), the reading of the stored minimum and maximum values (PEAK & VALLEY) and the TARE function with reset to zero.
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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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