Product Description
LB 200 Series Load Measuring Pins can be used alone or as part of a complete measurement system. Magtrol offers a wide range of Load-Force-Weight Transducers in various executions and accuracy classes and our Load Monitoring Units (LMUs) constitute an ideal safe measurement system which continuously checks for overloads and short circuits.
MAGTROL Load Measuring Pins are used to measure load and force and provide overload protection. The pins are mounted into machines in place of normal shafts and fitted with strain gauges, allowing them to produce a signal proportional to the measured load. Manufactured in Switzerland, Magtrol’s LB 200 Series Load Pins are rugged with high resistance stainless steel and tight construction, designed specifically for use in harsh industrial environments. Available in several standard ranges from 2.5 kN to 1250 kN, these highly ergonomic pins can be used for either new or refitted installations and are adaptable to various conditions.
Design
The Magtrol Load Pin has 2 circular grooves and an axial bore. Inside the central bore, adjacent to the external grooves, the strain gauges are mounted in a full-bridge configuration (double full-bridge for LB 230 models). The positioning and orientation of the strain gauges have been optimized by means of the finite element method (FEM). Any transverse or axial forces, even when acting on any part of the pin, have practically no influence on the measurement signal.
Receive a quotation for a load pin according to your application’s dimensions by filling out our load pin inquiry form.
Features
- For overload detection and load measurement from 2.5 kN … 1 250 kN (0.28 tf … 140.5 tf).
- Admissible Overload: 150 % of the nominal load.
- Overload at Rupture: up to 500 % of the nominal load.
- Insensitive to external mechanical and chemical effects.
- Ideal for use in hostile environments.
- Temperature-compensated transducers with strain gauges in full-bridge configuration. On request, available with double bridge redundant.
- Simple installation for cost-saving solutions to measurement problems.
- Many options may be added to the lower-cost standard load pin for greater flexibility.
- Can be designed with special dimensions for adaptation to various construction conditions.
- High reliability for strict safety requirements.
Specifications
For complete technical specifications and general dimension drawings, download the corresponding data sheet. For detailed dimension drawings. Click on the underlined link in the table below and a PDF document will open in a new window. Ratings apply to standard load pins only, special models are available by contacting Magtrol.
| Model(s) | Nominal
Load
(kN) | Nominal
Load
(tf) | Nominal
Diameter
(mm) | Drawing | 3D Models
LB-210 Series
(PG Radial) | 3D Models
LB-210 Series
(PG Axial) |
|---|
| LB 210 | 2.5 | 0.28 | 25 | N/A | step | N/A |
LB 211
LB 231 | 5 | 0.56 | 25 | pdf | step | N/A |
LB 212
LB 232 | 10 | 1.12 | 25 | pdf | step | N/A |
LB 213
LB 233 | 20 | 2.25 | 25 | pdf | step | N/A |
LB 214
LB 234 | 50 | 5.62 | 35 | pdf | step | step |
| LB 235 | 70 | 7.87 | 45 | pdf | N/A | N/A |
LB 216
LB 236 | 100 | 11.24 | 50 | pdf | step | step |
LB 217
LB 237 | 200 | 22.48 | 65 | pdf | step | step |
LB 218
LB 238 | 500 | 56.20 | 85 | pdf | step | step |
LB 220
LB 240 | 1000 | 112.40 | 100 | pdf | step | step |
LB 221
LB 241 | 1250 | 140.50 | 120 | pdf | step | step |
LB 210 SERIES SPECIFICATIONS
| STANDARD VERSION a) | LB 210 | LB 211 | LB 212 | LB 213 | LB 214 | LB 216 | LB 217 | LB 218 | LB 220 | LB 221 |
|---|
| LOAD MEASURING |
| Nominal Load (Metric)b) | 2.5 kN | 5 kN | 10 kN | 20 kN | 50 kN | 100 kN | 200 kN | 500 kN | 1 000 kN | 1 250 kN |
| Nominal Load (US) b) | 0.28 tf | 0.56 tf | 1.12 tf | 2.25 tf | 5.62 tf | 11.24 tf | 22.48 tf | 56.2 tf | 112.4 tf | 140.5 tf |
| Overload Admissible (% of NL) | 150 % (of nominal load without influence on measurement) |
| Overload at Rupture (% of NL) | > 500 % | 400 % | 300 % |
| Non-linearity Error b) | < 0.25 % | < 0.5 % |
| Non-linearity + Hysteresis Error b) | < 0.5 % | < 0.8 % |
| Repeatability b) | ± 0.1 % |
| MECHANICAL CHARACHTERISTICS & ENVIRONMENT |
| Technology | Full-bridge strain gauge |
| Material | Stainless steel 1.4057 |
| Lubrication | Not available | Oiler ø4 DIN 3405 D or M10 DIN 3405 A |
| Operating Temperature | - 25 °C ... + 80 °C |
| Storage Temperature | - 55 °C ... + 125 °C |
| Temperature Influence on Zero | ± 0.02 % / K |
| Temperature Influence on Sensitivity | ± 0.02 % / K |
| Fit | G7 / h6 |
| Angle influence on signal output c) | According to the cosine function |
| Protection Class | IP 66 according to DIN 60529 |
| ELECTRICAL CHARACTERISTICS & CONNECTIONS |
| Bridge Impedance Input | 400 Ω |
| Bridge Impedance Output | 350 Ω |
| Power Supply | 5 ... 12 VDC |
| Zero Adjustment b) | ± 1 % |
| Transducer Sensitivities | 0.5 mV/V ± 3 % | 1 mV/V ± 3 % | 1.8 mV/V ± 3 % |
| Output | Integrated 3 m, 6 m, 12 m or 20 m polymer cable K-424 (standard) e) |
| PG Output | Axial, with heat-shrinkable sleeve | Radial, with heat-shrinkable sleeve (standard);
Axial, with heat-shrinkable sleeve |
| Output Connector (Optional) | Not available | Radial, connector: Souriau 851 02 E 10 6P50 |
| Connection Cable Assembly (Optional) | Not available | 3 m, 6 m, 12 m or 20 m cablewith axial or 90° connector d) e) |
a) Rating apply to standard load pins only, special models available on request.
b) Full Scale.
c) Variation of the measuring signal due to the angle positioning.
d) Axial connector: Souriau 851 06 JC 10 6S50, 90° connector: Souriau 851 08 EC 10 6S50.
e) Other longer cable lengths availble on request.
LB 230 SERIES SPECIFICATIONS
| STANDARD VERSION a) | LB 231 | LB 232 | LB 233 | LB 234 | LB 235 | LB 236 | LB 237 | LB 238 | LB 240 | LB 241 |
|---|
| LOAD MEASURING |
| Nominal Load (Metric)b) | 5 kN | 10 kN | 20 kN | 50 kN | 70 kN | 100 kN | 200 kN | 500 kN | 1 000 kN | 1 250 kN |
| Nominal Load (US) b) | 0.28 tf | 1.12 tf | 2.25 tf | 5.62 tf | 7.87 tf | 11.24 tf | 22.48 tf | 56.2 tf | 112.4 tf | 140.5 tf |
| Overload Admissible (% of NL) | 150 % (of rated load without influence on measurement) |
| Overload at Rupture (of rated load) | ≥ 500 % | 400 % | 300 % |
| Non-linearity Error b) | < 0.25 % |
| Non-linearity + Hysteresis Error b) | < 0.4 % |
| Repeatability b) | ± 0.1 % |
| MECHANICAL CHARACHTERISTICS & ENVIRONMENT |
| Technology | Double full-bridge strain gauge |
| Material | Stainless steel 1.4057 |
| Operating Temperature | - 25 °C ... + 80 °C |
| Storage Temperature | - 55 °C ... + 125 °C |
| Temperature Influence on Zero | ± 0.02 % / K |
| Temperature Influence on Sensitivity | ± 0.02 % / K |
| Fit | G7 / h6 |
| Angle influence on signal output c) | According to the cosine function |
| Protection Class | IP 67 according to DIN 60529 |
| SAFETY STANDARDS |
| OIML Class | Not available | R60 D0.1 | Not available |
| ELECTRICAL CHARACTERISTICS & CONNECTIONS |
| Bridge Impedance Input | 800 Ω |
| Bridge Impedance Output | 700 Ω |
| Power Supply | 5 ... 12 VDC |
| Zero Adjustment b) | ± 1 % |
| Transducer Sensitivities | 0.5 mV/V ± 3 % | 1 mV/V ± 3 % | 1.8 mV/V ± 3 % |
| Output Connection | Integrated 3 m, 6 m, 12 m or 20 m polymer cable K-824 (standard) e) |
| Output Connector | Axial connector, Souriau 8525 IH 10B06 PNH |
| Connection Cable Assembly (Optional) | 3 m, 6 m, 12 m or 20 m cable
with axial or 90° connector d) e) |
a) Rating apply to standard load pins only, special models available on request.
b) Full Scale.
c) Variation of the measuring signal due to the angle positioning.
d) Axial connector: Souriau 851 06 JC 10 6S50, 90° connector: Souriau 851 08 EC 10 6S50.
e) Other longer cable lengths availble on request.
Operating Principles
When force is applied to the Load Measuring Pin along its sensitive axis, the effect on the strain gauge bridge results in an output signal proportional to the applied force. The powering of the strain gauge bridge, as well as the amplification of its output signal voltage, is performed by an external amplifier. Depending on the execution, this amplifier allows the monitoring of several levels.
Applications
When forces acting on mechanical constructions are measured, the additional equipment required can often be costly and difficult to install. Magtrol Load Measuring Pins offer an excellent solution since they act as a direct element in the assembly, replacing a non-instrumented pin or shaft. LB 200 Series Load Pins are used for load measuring devices and overload protection on cranes, hoisting gear, elevators and winches, and force measurement for regulation processes in industrial installations and machinery production. Moreover it is an idealy transducer to detect and measure forces in harsh, tropical, offshore, marine and harbor environments.
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[post_content] => MAGTROL offers a wide range of Load-Force-Weight Transducers with optional integrated electronics or Load Monitoring Units (LMU) with B.I.T.E. functions creating an ideal measurement system which continuously checks for overloads and short circuits. Idealy for use on Safety Applications according to ECE-R10, ISO 13849-1 : CAT4 & PLe (LE 600 Series); ISO 13849-1 : CAT2 & PLd (LE 400 Series).
Magtrol Load Measuring Pins are used to measure load and force, and provide overload protection. The pins are mounted into machines in place of normal shafts and fitted with strain gauges, allowing them to produce a signal proportional to the measured load. Manufactured in Switzerland, Magtrol’s LE Series Load Measuring Pins are rugged with high resistance stainless steel and tight construction. Available in several standard ranges from 2.5 kN ... 1 250 kN, their operation remains trouble-free and reliable even in electromagnetically difficult environmental conditions.
Design
Magtrol's Load Measuring Pins have two circular grooves and an axial bore. Inside the central bore, adjacent to the external grooves, the strain gauges are mounted in a full-bridge configuration. The positioning and orientation of the strain gauges have been optimized by means of the finite element method (FEM).
Receive a quotation for a load pin according to your application's dimensions by filling out our load pin inquiry form.
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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] => 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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[post_content] => These high quality, large character digital displays can be used for crane weight display, process weight display, and all other remote weighing applications. They use microprocessor based technology for high reliability and have a non-volatile memory to store all the calibration data.
Load-Force-Weight Systems
Magtrol Large Digital Displays are used with Load Monitoring Units (LMUs) or signal conditioners (AN Series), as part of a complete measurement system. Magtrol load measuring pins, which measure load and force to provide overload protection, are available for a wide range of Load-Force-Weight, and in various executions and accuracy classes. Combined, these products constitute an ideal safe measurement system for continuous overload monitoring.
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[post_content] => MAGTROL offers a wide range of Load-Force-Weight Transducers with optional integrated electronics or Load Monitoring Units (LMU) with B.I.T.E. functions creating an ideal measurement system which continuously checks for overloads and short circuits. Idealy for use on Safety Applications according to ECE-R10, ISO 13849-1 : CAT4 & PLe (LE 600 Series); ISO 13849-1 : CAT2 & PLd (LE 400 Series).
Magtrol Load Measuring Pins are used to measure load and force, and provide overload protection. The pins are mounted into machines in place of normal shafts and fitted with strain gauges, allowing them to produce a signal proportional to the measured load. Manufactured in Switzerland, Magtrol’s LE Series Load Measuring Pins are rugged with high resistance stainless steel and tight construction. Available in several standard ranges from 2.5 kN ... 1 250 kN, their operation remains trouble-free and reliable even in electromagnetically difficult environmental conditions.
Design
Magtrol's Load Measuring Pins have two circular grooves and an axial bore. Inside the central bore, adjacent to the external grooves, the strain gauges are mounted in a full-bridge configuration. The positioning and orientation of the strain gauges have been optimized by means of the finite element method (FEM).
Receive a quotation for a load pin according to your application's dimensions by filling out our load pin inquiry form.
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