Introduction
An ESR analyzer is a laboratory instrument used to measure the erythrocyte sedimentation rate (ESR), which is the rate at which red blood cells settle in a vertical tube of anticoagulated blood over a specified time, and it is an important indicator of inflammation, and it is used in clinical laboratories and hospitals. The ESR is measured by placing the blood sample in a vertical tube, typically a Westergren tube, and measuring the distance the red blood cells settle in one hour; the ESR analyzer automates this measurement, using optical or other methods to detect the position of the red blood cell interface and to calculate the sedimentation rate, and it processes multiple samples simultaneously, and it provides rapid and accurate results, with features such as automatic sample handling, quality control, and data management; the ESR is elevated in inflammatory conditions, infections, autoimmune diseases, and other disorders, and it is used for diagnosis, for monitoring disease activity, and for screening, together with other laboratory tests. ESR analyzers are used in clinical laboratories and hospitals for measuring the ESR of patient samples, for the diagnosis and monitoring of inflammatory diseases, for monitoring the response to treatment, for screening, for research, and for many other applications, and they are available in various configurations, from small analyzers for a few samples to larger systems with high throughput, and they may be integrated with other hematology testing. With their automation and accuracy, ESR analyzers are essential instruments for measuring the erythrocyte sedimentation rate.
ESR Analyzer LESR-T2011
Analyzer utilizes an advanced infrared color difference interpretation technology for analysis. It can hold and measure 20 samples simultaneously. This automatic analyzer has rapid dete...
ESR Analyzer LESR-T2010
Analyzer offers a rapid detection rate of 80 samples per hour with a measurement range of 0 to 150mm. It utilizes an infrared detection method for measurement. Samples can be loaded at a...
Standards
IEC 61010-2-081:2015-Particular requirements for automatic and semi-automatic laboratory equipment for analysis and other purposes
ISO 13079:2011-Laboratory glass and plastics ware-Tubes for measurement of the erythrocyte sedimentation rate by the Westergren method
Complies with the above standards, but is not limited to them.
Features
1. ESR analyzer for automated measurement of erythrocyte sedimentation rate.
2. Automated Westergren-method ESR measurement for clinical diagnostics.
3. Suitable for hospitals, clinical laboratories, clinics, rheumatology and healthcare.
4. Includes sample handling, detection system, controller, software and operation manual.
5. Supports rapid, accurate ESR measurement for inflammation and disease monitoring.
FAQ
Q1: What testing scenarios is this analyzer mainly applied to?
A: The ESR analyzer is used in hospitals, clinical laboratories, outpatient clinics, rheumatology departments, healthcare facilities and research to automatically measure the erythrocyte sedimentation rate (ESR) in blood samples using the Westergren method (or modified Westergren) for assessment of inflammation, infection, autoimmune disease and monitoring of various conditions. It supports routine clinical ESR testing (inflammation marker), rheumatology disease monitoring (rheumatoid arthritis, lupus, vasculitis), infection assessment (bacterial infections, tuberculosis), autoimmune disease monitoring, anemia evaluation (ESR can be affected by anemia), pregnancy monitoring, and general clinical laboratory testing. ESR is a non-specific marker of inflammation, widely used as a screening test and for monitoring disease activity and treatment response in rheumatology and other conditions.
Q2: What standards does the analyzer comply with?
A: The ESR analyzer follows relevant ISO, IEC, CLSI and GB/T standards for in vitro diagnostic medical devices, including ISO 13485, IEC 61010, IEC 62304, CLSI H02-A5 (reference method for ESR - Westergren), and applicable medical device regulations (FDA, CE, NMPA). The test follows relevant clinical laboratory standards (ISO 15189, CAP, CLIA). Calibration should use certified reference materials or compare with reference Westergren method. Users should verify regulatory approval status in their jurisdiction.
Q3: What is the warranty period for the whole analyzer and key components?
A: The whole ESR analyzer is covered by a 12-month warranty. The sample handling system, detection system, controller, software and housing are covered, while ESR tubes, reagents (if any), tubing and fuses are consumables or accessories. Damage from improper use or unauthorized repair is excluded. Extended service contracts may be available for this clinical diagnostic equipment.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained clinical laboratory personnel familiar with ESR testing and hematology. We provide operation manuals, training and application support. Proper sample collection (sodium citrate anticoagulant, correct ratio), sample handling, analyzer operation, quality control, result interpretation (including age/sex-adjusted reference ranges) and regulatory documentation are important for accurate, reliable ESR testing.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Calibration/verification with reference method (Westergren) or certified materials recommended every 6-12 months. Quality control per day or per batch for clinical use. Routine maintenance (cleaning, optical check) per schedule. Full system performance verification annually. Software updates per manufacturer schedule. ESR tube lot verification per new lot.
Q7: Are supporting consumables universal?
A: ESR tubes (sodium citrate, vacuum or capillary), cleaning supplies and fuses are available from clinical laboratory suppliers, though tube type should match the analyzer. Long-term consumable cost depends on test volume and tube pricing.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes throughput (samples per hour), sample tube type, automation level (standalone, integrated with hematology analyzer), software features (data management, LIS connectivity, age/sex reference ranges), connectivity and accessories. Additional ESR tubes and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes the ESR analyzer and accessories with an operation manual. On-site installation, calibration and training are not included for standard orders but can be arranged at additional cost. Remote guidance is provided.
Q10: What types of samples are compatible with this equipment?
A: The ESR analyzer measures erythrocyte sedimentation rate in venous blood samples collected in sodium citrate anticoagulant (3.2% sodium citrate, 9:1 blood-to-anticoagulant ratio) within the sample type, hematocrit range and specification. ESR is affected by various factors: anemia (increases ESR), polycythemia (decreases ESR), age (ESR increases with age), sex (women have higher ESR), pregnancy (increases ESR), and technical factors (room temperature, sample standing time). Users should collect blood in proper sodium citrate tubes (3.2% citrate, correct 9:1 ratio - underfilling can falsely elevate ESR), mix samples properly (gentle inversion 8-10 times), analyze within recommended time (typically 4 hours at room temperature, or 6-8 hours refrigerated per method), avoid bubbles and clots, calibrate/verify per schedule, run quality control daily, report results in mm/hr with method specified, use age/sex-adjusted reference ranges (e.g., formula: age/2 for men, (age+10)/2 for women, as upper limit of normal per some guidelines), and for clinical use, correlate with clinical findings and other inflammatory markers (CRP, fibrinogen) - ESR is non-specific. The analyzer should be maintained per manufacturer schedule (optical cleaning, sample probe maintenance). ESR tubes should be stored properly (check expiration, avoid temperature extremes). For samples with very high ESR (>100 mm/hr), note that this may indicate significant pathology (infection, malignancy, autoimmune disease) and should be clinically correlated. For samples with low hematocrit (anemia), ESR may be falsely elevated - some analyzers correct for hematocrit (modified Westergren), or the result should be interpreted with caution. The analyzer should be placed in a temperature-controlled environment (ESR is temperature-dependent). Waste (used ESR tubes, blood) should be disposed of per biohazard/sharps regulations. The ESR result should be reported with the test method (Westergren, modified Westergren, automated) as different methods may give slightly different results.
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