HRL Series – Anchor Load Cell
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 Magtrol Load Monitoring Unit is specially designed for strain gauge transducer applications. Specifically developed for use with Magtrol load measuring pins and load-force weight sensors, the LMU Series provides excitation current and amplifies the output signal of full-bridge strain gauges.
Load Monitoring Units are flexible and fully configurable due to DIP-switches and jumpers which allow the unit to be easily installed - no solder connections are required. The level detectors and the outputs can be dedicated either to the full-bridge input, to the voltage input, or to the sum of both. A built-in auto-diagnostic system detects any short circuits or signal line failures, thus allowing the system to be used in applications where safety is important. If a problem is detected, both relays are deactivated and the output voltage (respective current) changes to > 10 V DC and > 20 mA.
The LMU is fully compatible with European Community (CE) standards. Its IP 65 aluminum housing allows the system to be used in harsh environments. Using SMD (surface mounted device) technology, the LMU allows the maximum performance/ price ratio for strain gauge transducer monitoring.
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[post_content] => The SG-01 cable sensor is designed for providing load monitoring of permanent and temporary anchors and allows continuous measuring either by a direct or remote control system.
The specific design allows the use of a SG-01 sensor in harsh, tropical or harbor environments.
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[post_content] => Note: Not available in the US.
Magtrol's ZM Series Force Transducers are designed to measure static and dynamic pressure forces. They are characterized by their small dimensions.
Manufactured in stainless steel or high-resistance aluminum, these transducers can be used in a wide variety of applications. In particular, the stainless steel versions with a high degree of protection can be used everywhere without restriction, even in harsh environments.
The sensor element consists of a diaphragm body equipped with metal foil strain gauges, which forms a hermetically sealed chamber filled with dry nitrogen. In standard mounting, the transducers are fixed with screws on a flat surface. The force is introduced vertically (without transverse force) via the universal ball joint, either directly or via a metal adapter interface.
All Magtrol ZM Series transducers are supplied with a 1.5 m long connection cable with loose ends.
Optionally, they can be supplied with a built-in amplifier (ZM‑E). Then, an Output Signals of 0 ... 10 V DC or 4 ... 20 mA can be selected.
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[post_content] => The Magtrol MBB 470 Series Miniature Force Transducers are designed for the measurement of very small positive and negative charges. Entirely made of aluminum, the MBB 470 combines lightness and stability and has excellent overload capacity.
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[post_content] => The Magtrol Load Monitoring Unit is specially designed for strain gauge transducer applications. Specifically developed for use with Magtrol load measuring pins and load-force weight sensors, the LMU Series provides excitation current and amplifies the output signal of full-bridge strain gauges.
Load Monitoring Units are flexible and fully configurable due to DIP-switches and jumpers which allow the unit to be easily installed - no solder connections are required. The level detectors and the outputs can be dedicated either to the full-bridge input, to the voltage input, or to the sum of both. A built-in auto-diagnostic system detects any short circuits or signal line failures, thus allowing the system to be used in applications where safety is important. If a problem is detected, both relays are deactivated and the output voltage (respective current) changes to > 10 V DC and > 20 mA.
The LMU is fully compatible with European Community (CE) standards. Its IP 65 aluminum housing allows the system to be used in harsh environments. Using SMD (surface mounted device) technology, the LMU allows the maximum performance/ price ratio for strain gauge transducer monitoring.
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