This document describes the JC crane scale, providing essential information for its installation, operation, and maintenance. The crane scale is designed for weighing various items, offering a robust and user-friendly experience with several integrated features to enhance its functionality and longevity.
Function Description
The JC crane scale is primarily used for weighing loads in industrial or commercial settings. It operates by suspending items from its hook, displaying the weight on a digital screen. The scale is equipped with a 360° freely swiveling hook, allowing for flexible and convenient attachment of loads from various angles. Its die-casting aluminum housing provides both corrosion-proof and antistatic properties, ensuring durability and safe operation in diverse environments.
Key operational functions include:
- Weighing: The primary function involves placing an item on the scale, which then displays its weight. It is recommended to start with no load on the scale, ensuring the display reads zero before weighing.
- Zeroing: The scale can be zeroed at any time by pressing the "ZERO" button. This is useful for ensuring accurate readings, especially if there's a slight drift in the display or if the scale needs to be reset before a new measurement.
- Tare Function: To weigh items in a container without including the container's weight, the tare function can be used. After placing the container on the scale, pressing "ZERO" will tare the display, effectively setting the container's weight to zero. Subsequent items added to the container will then show only their net weight.
- Hold Function: The "HOLD" button allows the user to freeze the current weighing value on the display. This is particularly useful when the load might be unstable or when the user needs to record the weight without it changing.
- Division Selection: The "SWITCH" button enables the user to choose the desired division or increment for the weight display, offering flexibility in precision based on the weighing task.
The scale also incorporates an auto shut-off feature for power saving, which helps extend battery life by turning off the device after a period of inactivity. A wireless controller is included as a standard feature, providing remote operation capabilities for convenience and safety, allowing users to control functions like division selection, hold, and zero from a distance.
Usage Features
The JC crane scale is designed with user convenience and safety in mind, incorporating several features that enhance its usability in practical applications:
- Ease of Operation: The scale's interface is straightforward, with dedicated buttons for "HOLD," "SWITCH," and "ZERO," making it easy for operators to perform essential functions quickly. The digital display is clear and easy to read, ensuring that weight readings are visible even from a distance.
- Remote Control: The standard wireless controller significantly improves operational flexibility. It allows the user to perform key functions such as choosing the division, holding the weight, and zeroing the scale without needing to be in direct proximity to the main unit. This is particularly beneficial in situations where the scale is suspended at a height or in areas that are difficult to access.
- Battery Management: The scale is powered by a rechargeable battery, offering extended operational time. A battery indicator flashes when the battery is low, prompting the user to recharge. Even with a low battery warning, the scale can continue to operate for several hours, providing ample time to complete tasks before needing to recharge. The charge lamp changes from red to green when recharging is complete, providing a clear visual cue.
- Calibration Procedure: The manual outlines a clear calibration procedure, ensuring that the scale can be accurately adjusted. This involves using standard weights and specific button presses to enter calibration mode, select weighing values, and save the settings. This ensures the scale maintains its accuracy over time and with heavy use.
- Setting Modes: The scale offers various setting modes accessible through specific button combinations. These modes allow users to customize settings such as sound modes (with or without sound), hold function modes (no hold or with hold), and zero function settings (allowed when not stable or not allowed when not stable). These customizable options allow the scale to be adapted to different operational preferences and environmental conditions.
- Warm-up Time: It is recommended to allow the scale 3-5 minutes of warm-up time before starting any weighing operation. This ensures optimal performance and accuracy, especially in environments with fluctuating temperatures.
Maintenance Features
Proper maintenance is crucial for the longevity and accurate performance of the JC crane scale. The manual provides guidelines to ensure the device remains in good working condition:
- Pre-use Inspection: Before each use, it is essential to check all parts of the scale to ensure they are in good condition. Any signs of damage or breakage should be reported to the dealer immediately to prevent potential hazards and ensure safe operation.
- Environmental Considerations: The scale is designed to operate within a specific temperature range (-10℃ to 40℃). Users are advised to avoid sudden temperature changes, which can affect the scale's accuracy and performance. It should not be used in the rain or heavily polluted environments, as this can damage internal components and compromise its functionality.
- Cleaning: When cleaning the scale, it is imperative to disconnect the power supply to prevent electrical hazards. This ensures safe cleaning practices and protects the device from damage.
- Overload Prevention: A critical maintenance and safety instruction is to never use the crane over its maximum permitted weight. Exceeding the maximum capacity can lead to structural failure, posing significant danger to personnel and property. The scale is designed with a maximum safe load capacity, but adherence to the rated capacity is paramount.
- Safety Precautions: Always ensure that no living beings or materials are positioned below the load being weighed. This is a fundamental safety measure to prevent injuries or damage in case of an accidental drop or equipment failure.
- Professional Servicing: Any service or repair work on the scale should only be performed by authorized personnel. This ensures that repairs are carried out correctly, using appropriate parts and procedures, thereby maintaining the scale's integrity, safety, and warranty. Attempting unauthorized repairs can lead to further damage, void the warranty, and create safety risks.
- Battery Care: If the screen does not display after recharging, it could indicate a difficulty in battery recharging or a damaged battery. In such cases, contacting service personnel is recommended to diagnose and resolve the issue, ensuring the scale remains operational. Proper battery maintenance, including timely recharging and avoiding complete discharge, contributes to the overall lifespan of the device.
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