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Get it between 2025-03-12 to 2025-03-19. Additional 3 business days for provincial shipping.
Increased Capacity & High Precision – Upgraded from the LMC-300, the LMC-300A features a larger 330lbs (150kg) capacity, while maintaining ±0.05% rdg +10g accuracy, ensuring precise refrigerant measurement.
Auto-Dosing Charge Valve Included – Equipped with a separate electronic charging valve, allowing automated refrigerant transfer with precise auto-pause function when the set charging amount is reached.
Smart Safety Features – Integrated overweight alarm alerts users when the maximum 330lbs (150kg) limit is exceeded, ensuring safe refrigerant handling.
Heavy-Duty & Durable – Designed for HVACR professionals, with a rugged aluminum body, impact-resistant rubber feet, and reinforced protective corners, ensuring long-term accuracy and durability.
User-Friendly Design – Features three display modes (Kg, Lb, Oz), a backlit LCD screen for improved visibility, and auto power-off to extend battery life.
Parameters Max weighing: 150kg ( 330Lb ) Resolution: 5g Accuracy: ±0.05% rdg+25g Power supply: 5 AAA batteries Operating temperature: -10℃~40℃ Storage temperature: -15℃ ~50℃ Temperature fluctuation range: 5℃/h Relative humidity: 50-85% Product size: 271*271*74mm Quick start 1. Install 5 AAA batteries in the hand-held device. 2. Place the platform on a firm and level surface. 3. Press the "POWER" button on the hand-held device. 4. Press "UNIT" to select proper unit. 5. Press "ZERO" to tare the scale. 6. Place the object to be weighed until "STABLE"appears stable. Read the weight on the LCD. 7. CHARGE: Press "←"charge to set value, and then press to start charging. 8. RECOVERY: Press recovery to set value, and then press "←" to start recovery. 9. Press "RUN/STOP" solenoid valve is instant on (OPEN icon is always on) or off (OPEN icon is always off). 10. Press "HOLD" to lock the current weight value. Functions Weighing operation: The scale is designed for total weight up to 150Kg. 1. Take out the scale from the package and place the platorm on firm and level surface. 2. Draw out the spiral line of the hand-held device from the side of the scale. 3. Press the "POWER" button on the hand-held device. The buzzer beeps once indicating self-test is finished. 4. Press "UNIT" to switch between "Kg", "Oz" and "Lb". 5. Press "ZERO" to tare the scale. 6. Place the refrigerant tank in the center of the scale platform; zero it again to display the weight of refrigerant. 7. Press "HOLD" to freeze current display. The displayed weight value will not change with the change of weight on the platform. Packing list LMC-300A refrigerant scale 1 piece Charge valve 1 piece Nylon case 1 piece AAA alkaline battery 5 pieces User manual 1 piece