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Cytology Centrifuge
product details
Product Overview
The Welso WTP-1 and WTP-2 Cytology Centrifuges are designed for preparing cellular specimens from body fluids and other compatible liquid samples for microscopic examination. Using controlled centrifugal force, the instruments concentrate cells onto a designated slide area while absorbent pads collect residual liquid.
Both models feature six stations, a maximum capacity of 12 samples per batch, and an adjustable speed range of 0–2000 rpm. They are suitable for cytological sample preparation in hospital laboratories, pathology departments, and biomedical research facilities.
The WTP-1 offers straightforward manual operation, while the WTP-2 adds automatic door control, biological sealing, and program-based gradient centrifugation to support more advanced preparation workflows.

Key Features
Efficient Sample Processing: Six stations accommodate up to 12 samples per batch, with a maximum sample volume of 2 mL per well.
Adjustable Centrifugation: Speed range of 0–2000 rpm, with ±10 rpm speed accuracy and nine acceleration/deceleration settings.
Controlled Operation: A timer adjustable from 0 to 99 minutes and 59 seconds supports different laboratory preparation protocols.
Low-Noise Performance: Operating noise is specified at ≤48 dB(A).
Integrated Slide Preparation: Compatible sample clamps, slides, filters, and absorbent pads support cellular deposition and residual liquid absorption.
Model-Specific Functions: The WTP-2 features biological sealing, program mode, and gradient centrifugation, while the WTP-1 provides a simpler operating configuration.

WTP-2
WTP-1 vs. WTP-2: Main Differences
Feature | WTP-1 | WTP-2 |
Door Operation | Manual | One-touch automatic |
Biological Seal | Not available | Available |
Program Mode | Not available | Available |
Gradient Centrifugation | Not available | Available |
Power Consumption | 200 W | 300 W |
Dimensions (L × W × H) | 400 × 290 × 215 mm | 450 × 310 × 215 mm |
Net Weight (excluding rotor) | 14 kg | 19.5 kg |
Choose the WTP-1 for a compact configuration with manual door operation. The WTP-2 is an alternative for laboratories that require automatic door operation, biological sealing, and programmable gradient centrifugation.
Working Principle
A cytology centrifuge uses centrifugal force to concentrate suspended cells from a liquid specimen onto a designated microscope slide area. During processing, the absorbent pad collects excess liquid while cellular material accumulates on the slide.
The prepared slide can then undergo appropriate staining and microscopic examination. Actual cell recovery and morphology depend on specimen characteristics, operating conditions, and the laboratory's validated preparation protocol.

Applications
The Welso WTP series supports compatible cytological preparation workflows, including:
Body Fluid Cytology: Preparation of cerebrospinal, pleural, and peritoneal fluid specimens.
Urine Cytology: Concentration of cellular material for slide-based examination.
Respiratory Specimens: Preparation of compatible respiratory fluids for microscopic assessment.
Pathology Laboratories: Routine cytological slide preparation before staining and review.
Biomedical Research: Specimen preparation for cellular morphology studies and laboratory training.
Application suitability depends on specimen type, compatible accessories, and validated laboratory procedures. The centrifuge prepares specimens and does not independently provide a clinical diagnosis.
Technical Specifications
Model | WTP-1 | WTP-2 |
Door Opening/Closing Method | Manual Door Opening and Closing | One-touch automatic door opening and closing |
Biological Seal | None | Available |
Number of Stations | 6 stations | |
Maximum Sample Capacity | 12 per batch | |
Maximum Sample Capacity per Well | 2 mL | |
Rotation Speed Range | Adjustable from 0 to 2000 rpm (speed accuracy ±10 r/min) | |
Timing Range | 0–99 min 59 s | |
Overall Noise Level | ≤48 dB(A) | |
Acceleration/Deceleration | 9 settings, adjustable from 8 to 15 seconds | |
Program Mode/Gradient Centrifugation | None | Available |
Operating Environment | Temperature: 5–40°C, humidity ≤ 80% | |
Temperature Control Range | Room temperature +10°C | |
Power Supply | AC220V, 50Hz, 5A | |
Total Power Consumption | 200W | 300W |
Dimensions (L x W x H) mm | 400 × 290 × 215 | 450 × 310 × 215 |
Net Weight (excluding rotor) | 14 kg | 19.5 kg |
Standard Configuration | 1 main unit, 1 rotor set, 6 sample clamps, 1 package of absorbent pads (100 pads per package) | |
Main Applications | Collection and Smear Preparation of Various Body Fluids in Hospital Laboratory and Pathology Departments | |
Frequently Asked Questions
What is a cytology centrifuge used for?
A cytology centrifuge concentrates cells from compatible liquid specimens onto a microscope slide for subsequent staining and microscopic examination.
What is the maximum sample capacity of the WTP-1 and WTP-2?
Both models support up to 12 samples per batch, with a maximum sample volume of 2 mL per well.
What is the difference between the WTP-1 and WTP-2?
The WTP-1 uses manual door operation and does not support biological sealing, program mode, or gradient centrifugation. The WTP-2 adds these functions and features one-touch automatic door operation.
What is the speed range of the WTP series?
Both models have an adjustable speed range of 0–2000 rpm, with a specified speed accuracy of ±10 rpm.
Can the WTP series process body fluid specimens?
Yes, the series is designed for compatible body fluid cytology and other slide preparation workflows. Sample compatibility and operating conditions should be confirmed for each application.
Choose Welso for Cytological Sample Preparation
The Welso WTP-1 and WTP-2 combine adjustable centrifugation, multi-sample processing, and integrated slide preparation in compact benchtop instruments. Contact Welso for model selection assistance, compatible accessories, and technical documentation for your laboratory.
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