Product Description
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.
Features
- Suspension mounted large LED displays
- Digit sizes: 57, 102, 150, 200, 300 & 400 mm
- Protection class IP 65 (sealed)
- Fully corrosion resistant
- Adjustable brightness
- Power supply: 95…265 VAC
(optional 11…30 VDC or 48 VAC) - Input: 0…10 V, 0…5 V or 0…20 mA, 4…20 mA
- Fully scalable in kg, t (ton), kN, and other engineering units
- Auto tare function
- Optional voltage (0 – 10 V) or current (4 – 20 mA) analog output
Specifications
| SIGNAL PROCESSING |
| Voltage input range | 0 - 10 V / 0 - 5 V / 1 - 5 V |
| Voltage input impedance | 1 MΩ |
| Current input range | 0 - 10 mA / 0 - 20 mA / 4 - 20 mA |
| Current input impedance | 33 Ω |
| MEASUREMENT DISPLAY |
| Type | 7 segments |
| Display definition | -1999 to 9999 (4 digits) or -199999 to 999999 (6 digits) |
| Digits / Color | 4 or 6 digits / red |
| Scaling | Digital zero and full scale adjustable by programming keys |
| Decimal point | Position adjustable by programming keys |
| Filtering / Signal smoothing | Time constant adjustable between 0 and 25 seconds |
| Count-by function | Round-off of the last digits with steps of 1, 2, 5, or 10 |
| Brightness & Readability | GAD Series are primarily intended for indoor applications.
Outdoor models, with enhanced luminosity, are available on request. |
| ACCURACY |
| Maximum error | ± 0.05 % of full scale |
| Stability | ± 25 ppm / °C (full scale) and ± 30 ppm / °C (offset) |
| Reading rate | 10 readings / second |
| Response time | 0.1 second |
| POWER SUPPLY |
| AC power supply | 100 - 240 VAC, 45/60 Hz a) |
| Optional DC power supply | 11 - 30 VDC |
| Power consumption | 50 VA max. |
| MECHANICAL CHARACTERISTIC & ENVIRONMENT |
| Operating temperature | 0 °C to +50 °C b) |
| Storage temperature | -20 °C to +70 °C |
| Protection class | IP 65 (IP 66, with stainless steel enclosure is available on request) |
a) Optional 48 VAC
b) Optional -25 °C to +50 °C
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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] => 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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