Hematocrit Centrifuge (DM1224)

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The Hematocrit Centrifuge (DM1224) is a specialized high-speed benchtop centrifuge designed for hematocrit determination, packed cell volume (PCV) measurement, and microvolume blood sample processing in clinical diagnostic and research laboratories . Operating at speeds up to 12,000 rpm (13,680 × g) with a maintenance-free brushless DC motor, this centrifuge features a dedicated 24-place AC24 capillary rotor specifically engineered for standard hematocrit capillary tubes .

For the hematologist and clinical laboratory scientist, the DM1224 enables precise measurement of packed cell volume—a critical diagnostic parameter for screening and monitoring anemia, polycythemia, dehydration, and other hematological disorders . The microvolume capability (50-75 μL blood samples) makes this centrifuge ideal for pediatric, neonatal, geriatric, and critical care patients where blood conservation is essential . The integrated rotor design with optional hematocrit reader allows direct measurement of PCV values, providing rapid results for clinical decision-making .

The centrifuge features microprocessor-controlled operation with precise speed control (500-12,000 rpm, increment: 100 rpm), LCD display with speed/RCF switchover, and programmable run times from 10 seconds to 99 minutes or continuous operation . The Pulse key enables instantaneous centrifugation for quick spin-down needs, while the timer logic ensures accurate separation times by commencing once set speed is reached . Acceleration and deceleration are completed in 40 seconds each, optimizing cycle times for high-volume clinical laboratories .

Safety features include double door lock system (door interlock) preventing operation with open lid, over-speed detection, and automatic internal diagnosis, with CE safety certification . The high-strength metal rotor with excellent dynamic balancing ensures quiet, stable operation at high speeds .

With a compact footprint (364 × 280 × 213 mm), lightweight design (8.5 kg), and 24-tube capacity, the DM1224 provides reliable, specialized performance for hematocrit determination, PCV measurement, and microvolume blood processing—supporting patient diagnosis across clinical hematology, pediatrics, oncology, and transfusion medicine .

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Categories: LABORATORY EQUIPMENT AND SUPPLIES, Centrifuges and Separators Tags: Capillary Tube Centrifuge, Clinical Laboratory Equipment, DLAB Centrifuge, DM1224 Hematocrit Centrifuge, Hematocrit Determination, Hematology Centrifuge, Microhematocrit Centrifuge, Packed Cell Volume, PCV Measurement

Description

Hematocrit Centrifuge (DM1224)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Hematocrit Determination for Anemia and Blood Disorder Screening

Primary Use: Provides a specialized high-speed microhematocrit centrifuge designed for rapid determination of packed cell volume (PCV) and hematocrit (HCT) levels in whole blood samples using capillary tubes .
How it helps: For the hematologist and clinical laboratory scientist, the DM1224 enables precise measurement of the ratio of red blood cells to total blood volume—a critical diagnostic parameter for screening and monitoring anemia, polycythemia, dehydration, and other hematological disorders . For the patient, accurate hematocrit values guide diagnosis of conditions such as iron deficiency anemia, sickle cell disease, and bone marrow disorders, enabling timely treatment initiation.

2. Rapid Separation of Blood Components for Microvolume Testing

Primary Use: Operates at speeds up to 12,000 rpm (13,680 × g) with a dedicated 24-place capillary tube rotor, enabling rapid separation of cellular components from plasma in microvolume blood samples (typically 50-75 μL) .
How it helps: For the medical technologist and pediatric phlebotomist, the DM1224’s specialized rotor design accommodates up to 24 capillary tubes simultaneously, processing microvolume blood samples ideal for pediatric, geriatric, and critical care patients where blood conservation is essential . For the patient, smaller blood volume requirements reduce discomfort and minimize risk of iatrogenic anemia from repeated blood draws.

3. Packed Cell Volume (PCV) Measurement for Clinical Assessment

Primary Use: The centrifuge is specifically engineered for PCV determination, with an integrated capillary tube rotor and optional hematocrit reader for direct measurement of packed red blood cell volume fraction .
How it helps: For the clinical laboratory scientist and physician, the PCV measurement provides rapid assessment of red blood cell mass—essential for evaluating blood loss, monitoring response to therapy (iron supplementation, erythropoietin, transfusion), and assessing hydration status. For the patient undergoing chemotherapy, dialysis, or chronic disease management, serial PCV measurements help optimize treatment and prevent complications of severe anemia or polycythemia.

4. High-Throughput Processing for Clinical Laboratories

Primary Use: Accommodates 24 capillary tubes per run with a fast 40-second acceleration and deceleration profile, enabling rapid processing of multiple patient samples in high-volume clinical settings .
How it helps: For the laboratory manager and phlebotomy supervisor, the DM1224’s 24-tube capacity and rapid cycle times significantly increase sample throughput—reducing patient wait times and improving laboratory efficiency in busy clinical hematology labs. For the patient, faster processing means reduced turnaround time for critical test results, enabling earlier diagnosis and treatment decisions.

SECONDARY & SUPPORTIVE USES

1. Pediatric and Neonatal Blood Testing: Ideal for microvolume blood samples from infants, children, and neonates where standard venipuncture is challenging .

2.Veterinary Hematology: Processes microvolume blood samples from companion animals (dogs, cats, horses) and laboratory animals for routine hematological analysis .

3. Biopsy and Fine Needle Aspirate Processing: Used to concentrate cellular material from fine needle aspirates and biopsy specimens for cytological examination.

4. Microbiology Sample Concentration: Separates microorganisms from culture media and concentrates bacterial suspensions for microscopic examination .

5. Cell Biology Cell Pelleting: Concentrates cells from microvolume cell suspensions for cell counting, viability assays, and downstream molecular analysis .

6. Urinalysis Sediment Preparation: Used for concentration of cellular elements from urine samples for microscopic examination.

7. Cerebrospinal Fluid (CSF) Cell Concentration: Concentrates cells from CSF samples for cytological examination in neurological diagnostics.

8. Analytical Chemistry Sample Preparation: Used for phase separation in small volume samples and concentration of analytes from liquid samples .

9. Blood Bank Quality Control: Supports hematocrit determination for quality control of packed red blood cell products.

10. Research and Academic Laboratories: Used in clinical research, pharmaceutical development, and academic laboratories for microvolume sample processing.

11. Field and Point-of-Care Testing: Suitable for small clinics, mobile health units, and field research stations requiring compact, reliable hematocrit determination.

KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A specialized high-speed microhematocrit centrifuge designed for hematocrit determination, packed cell volume measurement, and microvolume blood sample processing in clinical diagnostic laboratories .
Designation: DM1224 Hematocrit Centrifuge, Microhematocrit Centrifuge, Capillary Tube Centrifuge, Blood Cell Volume Centrifuge, DLAB DM1224, Compact Hematocrit Centrifuge .
Key Components:
- AC24 Capillary Rotor: Dedicated 24-place rotor for standard hematocrit capillary tubes .
- Rotor Lid: Integrated lid with optional hematocrit reader for direct PCV measurement .
- Motor: Maintenance-free brushless DC motor for quiet, reliable operation .
- Display: LCD display for speed (RPM) and Relative Centrifugal Force (RCF/xg) monitoring .
- Control Panel: User-friendly interface with speed and time adjustment, Pulse function .
- Safety Features: Door interlock with double-lock safety system .

2. TECHNICAL & PERFORMANCE PROPERTIES

Maximum Speed: 12,000 rpm (500 – 12,000 rpm, increment: 100 rpm) .
Maximum RCF (Relative Centrifugal Force): 13,680 × g .
Speed Accuracy: ±100 rpm .
Rotor Capacity: 24 × standard hematocrit capillary tubes (microhematocrit tubes) .
Run Time: 10 seconds – 99 minutes; HOLD (continuous running) .
Acceleration/Deceleration Time: 40 seconds up / 40 seconds down .
Motor Type: Maintenance-free brushless DC motor .
Display: LCD display with speed/RCF switchover function .
Noise Level: ≤ 65 dB .
Power Requirements: Single-phase, 200-240V, 50/60Hz, 5A; 380W .
Dimensions (W × D × H): 364 × 280 × 213 mm .
Weight: 8.5 kg .
Safety Certifications: CE certified ; Medical Device Class I classification .
Additional Functions: Speed/RCF conversion function; Short-time (Pulse) run function; Sound alert at run completion; Run progress display .

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: Compact, durable housing with metal rotor chamber; high-strength metal rotor for reliable high-speed operation .
Control: Microprocessor-controlled operation for precise speed and time regulation .
Timer Logic: Timer commences once set speed is reached, ensuring accurate separation times .
Quick Spin Function: Pulse key allows instantaneous centrifugation for quick spin-down needs .
Operation Modes: Timed operation (10 sec-99 min) and continuous (HOLD) operation .
Rotor Identification: Dedicated AC24 rotor specifically designed for hematocrit capillary tubes.
Lid Operation: Manual lid with door interlock; emergency lid release for power failure situations.
Portability: Benchtop design with compact footprint suitable for routine laboratory use.
Maintenance: Brushless DC motor eliminates routine brush replacement .

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: Medical Device Class I classification ; complies with In Vitro Diagnostic (IVD) medical equipment requirements.
Safety Certifications: CE certified .
Safety Features: Double door lock system (door interlock), lid safety interlock prevents operation with open lid, over-speed detection, automatic internal diagnosis system .
Construction Safety: High-strength metal rotor with excellent dynamic balancing for quiet, stable operation at 12,000 rpm .
Electrical Safety: Over-temperature protection; wide voltage tolerance (200-240V) .
Noise Control: Low noise operation (≤65 dB) for comfortable laboratory environment.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store on clean, dry benchtop; ensure adequate clearance for ventilation; ambient temperature 5–40°C, relative humidity ≤80%.
Cleaning: Wipe exterior with soft, damp cloth using neutral detergent; 70% ethanol solution may be used for sterilization; rotor chamber should be kept dry; do not pour water directly into rotor chamber.
Rotor Maintenance: Remove and clean rotor with mild detergent; dry thoroughly before reinstallation; inspect rotor seal rings regularly.
Inspection: Inspect rotor for corrosion, cracks, or scratches before each use; do not use damaged rotors .
Capillary Tube Loading: Load capillary tubes symmetrically in opposing positions; fill sealed ends facing outward.
Power Cord: Inspect power cord for damage before each use.
Transport: Remove rotor before moving the centrifuge.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: Hematocrit determination, packed cell volume (PCV) measurement, and microvolume blood sample processing in clinical diagnostic laboratories, hematology departments, and research facilities .
Clinical Role: Essential sample preparation equipment in clinical diagnostic laboratories, hospital hematology departments, blood banks, pediatric clinics, veterinary diagnostic laboratories, and research laboratories .

SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

Rotor Balancing: Ensure capillary tubes are loaded symmetrically in opposing positions; imbalance may cause excessive vibration .
Lid Security: Ensure lid is securely closed before operation; door interlock prevents operation with open lid .
Rotor Inspection: Inspect rotor for cracks or damage before each use; do not use damaged rotors.
Capillary Tube Compatibility: Use only standard hematocrit capillary tubes rated for centrifugation at 12,000 rpm.
Sample Loading: Fill capillary tubes with blood sample; seal one end with sealing clay; load with sealed end facing outward.
Cleaning: Clean spills immediately; disinfect rotor chamber if biological materials are involved; do not pour water directly into the rotor chamber.
Placement: Place on firm, flat, level surface; ensure the feet stand firmly on the table; avoid vibration around the instrument.
Training: Only trained laboratory personnel should operate the centrifuge.

2. FIRST AID MEASURES

Capillary Tube Breakage: If capillary tube breaks during operation, stop centrifuge immediately, allow rotor to stop fully, carefully remove glass fragments using forceps, disinfect rotor and chamber.
Sample Splash: If blood sample splashes, disinfect the area immediately with appropriate disinfectant (e.g., 70% ethanol, bleach solution).
Imbalance Shutdown: If imbalance shutdown occurs, rebalance rotor equally, restart centrifuge.
Power Failure: If power fails during operation, allow the rotor to stop naturally before opening the lid; use emergency lid release if needed.

3. FIRE FIGHTING MEASURES

Flammability: Plastic and electronic components may burn.
Extinguishing Media: Use carbon dioxide or dry chemical extinguisher for electrical fires.
Fire Response: Unplug centrifuge immediately; do not use water on electrical fire.

Hematocrit Centrifuge (DM1224)

Safety features include double door lock system (door interlock) preventing operation with open lid, over-speed detection, and automatic internal diagnosis, with CE safety certification . The high-strength metal rotor with excellent dynamic balancing ensures quiet, stable operation at high speeds .

Hematocrit Centrifuge (DM1224)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Hematocrit Determination for Anemia and Blood Disorder Screening

Primary Use: Provides a specialized high-speed microhematocrit centrifuge designed for rapid determination of packed cell volume (PCV) and hematocrit (HCT) levels in whole blood samples using capillary tubes .

2. Rapid Separation of Blood Components for Microvolume Testing

Primary Use: Operates at speeds up to 12,000 rpm (13,680 × g) with a dedicated 24-place capillary tube rotor, enabling rapid separation of cellular components from plasma in microvolume blood samples (typically 50-75 μL) .

3. Packed Cell Volume (PCV) Measurement for Clinical Assessment

Primary Use: The centrifuge is specifically engineered for PCV determination, with an integrated capillary tube rotor and optional hematocrit reader for direct measurement of packed red blood cell volume fraction .

4. High-Throughput Processing for Clinical Laboratories

Primary Use: Accommodates 24 capillary tubes per run with a fast 40-second acceleration and deceleration profile, enabling rapid processing of multiple patient samples in high-volume clinical settings .

SECONDARY & SUPPORTIVE USES

1. Pediatric and Neonatal Blood Testing: Ideal for microvolume blood samples from infants, children, and neonates where standard venipuncture is challenging .

2.Veterinary Hematology: Processes microvolume blood samples from companion animals (dogs, cats, horses) and laboratory animals for routine hematological analysis .

3. Biopsy and Fine Needle Aspirate Processing: Used to concentrate cellular material from fine needle aspirates and biopsy specimens for cytological examination.

4. Microbiology Sample Concentration: Separates microorganisms from culture media and concentrates bacterial suspensions for microscopic examination .

5. Cell Biology Cell Pelleting: Concentrates cells from microvolume cell suspensions for cell counting, viability assays, and downstream molecular analysis .

6. Urinalysis Sediment Preparation: Used for concentration of cellular elements from urine samples for microscopic examination.

7. Cerebrospinal Fluid (CSF) Cell Concentration: Concentrates cells from CSF samples for cytological examination in neurological diagnostics.

8. Analytical Chemistry Sample Preparation: Used for phase separation in small volume samples and concentration of analytes from liquid samples .

9. Blood Bank Quality Control: Supports hematocrit determination for quality control of packed red blood cell products.

10. Research and Academic Laboratories: Used in clinical research, pharmaceutical development, and academic laboratories for microvolume sample processing.

11. Field and Point-of-Care Testing: Suitable for small clinics, mobile health units, and field research stations requiring compact, reliable hematocrit determination.

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A specialized high-speed microhematocrit centrifuge designed for hematocrit determination, packed cell volume measurement, and microvolume blood sample processing in clinical diagnostic laboratories .

Designation: DM1224 Hematocrit Centrifuge, Microhematocrit Centrifuge, Capillary Tube Centrifuge, Blood Cell Volume Centrifuge, DLAB DM1224, Compact Hematocrit Centrifuge .

Key Components:

AC24 Capillary Rotor: Dedicated 24-place rotor for standard hematocrit capillary tubes .

Rotor Lid: Integrated lid with optional hematocrit reader for direct PCV measurement .

Motor: Maintenance-free brushless DC motor for quiet, reliable operation .

Display: LCD display for speed (RPM) and Relative Centrifugal Force (RCF/xg) monitoring .

Control Panel: User-friendly interface with speed and time adjustment, Pulse function .

Safety Features: Door interlock with double-lock safety system .

2. TECHNICAL & PERFORMANCE PROPERTIES

Maximum Speed: 12,000 rpm (500 – 12,000 rpm, increment: 100 rpm) .

Maximum RCF (Relative Centrifugal Force): 13,680 × g .

Speed Accuracy: ±100 rpm .

Rotor Capacity: 24 × standard hematocrit capillary tubes (microhematocrit tubes) .

Run Time: 10 seconds – 99 minutes; HOLD (continuous running) .

Acceleration/Deceleration Time: 40 seconds up / 40 seconds down .

Motor Type: Maintenance-free brushless DC motor .

Display: LCD display with speed/RCF switchover function .

Noise Level: ≤ 65 dB .

Power Requirements: Single-phase, 200-240V, 50/60Hz, 5A; 380W .

Dimensions (W × D × H): 364 × 280 × 213 mm .

Weight: 8.5 kg .

Safety Certifications: CE certified ; Medical Device Class I classification .

Additional Functions: Speed/RCF conversion function; Short-time (Pulse) run function; Sound alert at run completion; Run progress display .

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: Compact, durable housing with metal rotor chamber; high-strength metal rotor for reliable high-speed operation .

Control: Microprocessor-controlled operation for precise speed and time regulation .

Timer Logic: Timer commences once set speed is reached, ensuring accurate separation times .

Quick Spin Function: Pulse key allows instantaneous centrifugation for quick spin-down needs .

Operation Modes: Timed operation (10 sec-99 min) and continuous (HOLD) operation .

Rotor Identification: Dedicated AC24 rotor specifically designed for hematocrit capillary tubes.

Lid Operation: Manual lid with door interlock; emergency lid release for power failure situations.

Portability: Benchtop design with compact footprint suitable for routine laboratory use.

Maintenance: Brushless DC motor eliminates routine brush replacement .

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: Medical Device Class I classification ; complies with In Vitro Diagnostic (IVD) medical equipment requirements.

Safety Certifications: CE certified .

Safety Features: Double door lock system (door interlock), lid safety interlock prevents operation with open lid, over-speed detection, automatic internal diagnosis system .

Construction Safety: High-strength metal rotor with excellent dynamic balancing for quiet, stable operation at 12,000 rpm .

Electrical Safety: Over-temperature protection; wide voltage tolerance (200-240V) .

Noise Control: Low noise operation (≤65 dB) for comfortable laboratory environment.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store on clean, dry benchtop; ensure adequate clearance for ventilation; ambient temperature 5–40°C, relative humidity ≤80%.

Cleaning: Wipe exterior with soft, damp cloth using neutral detergent; 70% ethanol solution may be used for sterilization; rotor chamber should be kept dry; do not pour water directly into rotor chamber.

Rotor Maintenance: Remove and clean rotor with mild detergent; dry thoroughly before reinstallation; inspect rotor seal rings regularly.

Inspection: Inspect rotor for corrosion, cracks, or scratches before each use; do not use damaged rotors .

Capillary Tube Loading: Load capillary tubes symmetrically in opposing positions; fill sealed ends facing outward.

Power Cord: Inspect power cord for damage before each use.

Transport: Remove rotor before moving the centrifuge.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: Hematocrit determination, packed cell volume (PCV) measurement, and microvolume blood sample processing in clinical diagnostic laboratories, hematology departments, and research facilities .

Clinical Role: Essential sample preparation equipment in clinical diagnostic laboratories, hospital hematology departments, blood banks, pediatric clinics, veterinary diagnostic laboratories, and research laboratories .

1. SAFETY PRECAUTIONS

Rotor Balancing: Ensure capillary tubes are loaded symmetrically in opposing positions; imbalance may cause excessive vibration .

Lid Security: Ensure lid is securely closed before operation; door interlock prevents operation with open lid .