Mechanical Tray Scale

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A Mechanical Tray Scale is a durable, calibration-free weighing device used in pathology, pharmacy, research, and veterinary laboratories for accurate measurement of specimens, samples, and reagents. Featuring a tray platform for convenient sample placement and mechanical sliding weights for precise measurement, it provides reliable performance without electrical components. Essential for specimen weighing, compounding, and laboratory applications, it delivers consistent results in demanding environments.
Description

Mechanical Tray Scale

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Accurate Weighing of Laboratory Specimens and Samples
  • Primary Use: Provides accurate weight measurement for laboratory specimens, tissue samples, biopsy materials, and surgical specimens. The tray platform accommodates containers, specimen bags, and direct placement of samples for precise weight determination.
  • How it helps: For the pathologist, laboratory technician, and surgical team, accurate specimen weight is essential for diagnostic interpretation, calculating specimen-to-fixative ratios, and documenting findings. For the patient, accurate specimen handling contributes to reliable diagnostic results and appropriate treatment planning.
2. Weighing of Surgical Specimens for Pathology
  • Primary Use: Used in pathology departments and operating rooms to weigh surgical specimens including resected tumors, organs, and tissue biopsies. Accurate specimen weight is critical for pathological staging, determining tumor burden, and assessing response to treatment.
  • How it helps: For the pathologist and surgeon, precise specimen weight provides essential data for cancer staging and treatment planning—documenting tumor size, assessing resection adequacy, and guiding adjuvant therapy decisions. For the patient, accurate pathological staging ensures appropriate treatment and better prognostic information.
3. Pharmacy Compounding and Medication Preparation
  • Primary Use: Used in hospital and compounding pharmacies to weigh ingredients for sterile and non-sterile preparations. The mechanical scale provides reliable, calibration-free operation for preparing customized medications.
  • How it helps: For the compounding pharmacist, the mechanical tray scale provides accurate, reproducible measurements for preparing patient-specific medications—ensuring correct dosing for pediatric, oncology, and other specialized preparations. For the patient, accurate compounding means receiving the exact prescribed dose.
4. Weighing of Laboratory Reagents and Materials
  • Primary Use: Used in research and clinical laboratories to weigh reagents, chemicals, and laboratory materials. The durable mechanical design withstands the demands of busy laboratory environments.
  • How it helps: For the laboratory scientist and researcher, accurate reagent weighing is essential for preparing solutions, calibrating instruments, and ensuring experimental reproducibility. For the patient, reliable laboratory results depend on accurately prepared reagents and quality controls.
5. Weighing of Small Animals and Animal Tissues
  • Primary Use: Used in veterinary and research settings to weigh small animals, animal tissues, and biological specimens. The tray platform provides a stable surface for weighing without the need for containers.
  • How it helps: For the veterinary technician and research scientist, accurate weight measurement supports medication dosing, nutritional assessment, and experimental protocols. For the animal, correct dosing ensures safe, effective treatment.

SECONDARY & SUPPORTIVE USES

1. Dietary and Nutritional Assessment: Weighing of food portions for nutritional studies.
2. Environmental Testing: Weighing of filters and samples for environmental monitoring.
3. Quality Control: Weighing for quality assurance in manufacturing and testing.
4. Forensic Applications: Weighing of evidence and biological samples.
5. Educational Use: Teaching weighing techniques in laboratory training programs.
6. Field Research: Portable mechanical scales for field studies.
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Device Type: A mechanical balance scale with a tray platform for weighing specimens, samples, and materials.
  • Designation: Mechanical Tray Scale, Triple Beam Balance, Laboratory Scale, Specimen Scale, Mechanical Balance.
  • Key Components:
    • Tray Platform: Removable or integrated weighing tray.
    • Balance Beam: Graduated beam with sliding weights.
    • Poisons (Weights): Adjustable weights for measurement.
    • Zero Adjustment: Calibration mechanism.
    • Base: Stable base for laboratory use.
    • Tare Feature: Zeroing capability with tray.

2. TECHNICAL & PERFORMANCE PROPERTIES

  • Capacity: 100-5,000 grams depending on model.
  • Readability: 0.1-1.0 grams.
  • Accuracy: ±0.1% to ±0.5%.
  • Measurement Mechanism: Triple beam or single beam with sliding weights.
  • Tare Range: Up to full capacity.
  • Calibration: Mechanical zero adjustment; no external calibration required.
  • Construction: Durable metal construction.

3. PHYSICAL & OPERATIONAL PROPERTIES

  • Construction: Cast metal or high-impact plastic base; stainless steel tray.
  • Portability: Stationary benchtop unit.
  • Controls: Mechanical sliding weights.
  • Cleaning: Easy-clean surfaces; removable tray.
  • Durability: No electronics; reliable in all environments.

4. SAFETY & COMPLIANCE ATTRIBUTES

  • Regulatory Status: Class I medical device (laboratory use).
  • Chemical Resistance: Corrosion-resistant materials.
  • Stability: Wide base for stability.
  • No Electrical Components: Safe for use in flammable environments.

5. STORAGE & HANDLING ATTRIBUTES

  • Storage: Stored on laboratory benchtop.
  • Cleaning: Clean with mild detergent; disinfect as needed.
  • Calibration: Zero adjustment before each use; periodic verification with standard weights.
  • Maintenance: Keep beam and poises clean; lubricate pivot points as needed.

6. LABORATORY & CLINICAL APPLICATIONS

  • Primary Application: Weighing of specimens, samples, and reagents in laboratory and clinical settings.
  • Clinical Role: Essential equipment in pathology, pharmacy, research, and veterinary laboratories.
SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

  • Calibration: Zero scale before each use for accuracy.
  • Weight Handling: Handle poises carefully; do not force.
  • Cleaning: Clean tray after each use to prevent cross-contamination.
  • Stability: Place on level, stable surface.

2. FIRST AID MEASURES

  • Chemical Exposure: If corrosive materials contact scale, clean immediately; follow safety protocols.
  • Sharp Objects: Handle sharp specimens carefully; dispose appropriately.

3. FIRE FIGHTING MEASURES

  • Flammability: Metal components are non-flammable.
  • Extinguishing Media: Use water, foam, or COâ‚‚ as appropriate for surrounding materials.