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Dw-220A Ppb Testing Level Flame Graphite Furnace System Atomic Absorption Spectrophotometer Lab Aas Spectrometer with Graphite Furnace
US$6,300.00-13,500.00
1 Piece
Sample price:US$13500.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
YesApplication
Laboratory ApparatusModel NO.
DW-220AWarranty
1 YearDetection Method
SpectrophotometerAdvantage
High SensitivePrinciple
Classic SpectrometerWavelengths
UV SpectrometerDispersive Element
/Light Number
/Certification
ISO9001, CECustomized
CustomizedWl Range (Nm)
190-900Diffraction Grating
Groove 1800lines/mm,Blaze Wavelength 250nmFocal Length
277mmSpectral Bandwidth
0.1nm, 0.2nm, 0.4nm, 0.8nm, 1.6nmMonochomator
Single Beam, Czerny-Turner Design Grating MonochroGrating
1800 L/mmBlazed Wavelength
250nmAdjustment
Manual Adjustment for Wavelength and SlitBurner
10cm Single Slot All-Titanium BurnerSpray Chamber
Corrosion Resistant All-Plastic Spray Chamber.Nebulizer
High Efficiency Glass Nebulizer with Metal Sleeve,Position Adjustment
Manual Adjusting Mechanism for Vertical, HorizontaGas Line Protection
Fuel Gas Leakage AlarmTransport Package
PaperSpecification
1220x770x730mm (Main instrument) 800x400x900mm (Trademark
DrawellOrigin
Chongqing, ChinaHS Code
9027300000Production Capacity
100pieces/MonthKey features
40+ Years R&D Experience: Over 40 years of experience in Atomic Absorption Spectrophotometer R&D and manufacturing.
High Sensitivity & Precision: Features high sensitivity with 0.1nm spectral bandwidth and accurate mass flow control.
Advanced Safety Protection: Hardware and software dual alarm system with real-time monitoring for flame and GF conditions.
Automatic 8-Lamp Turret: Supports 8-lamp automatic rotation, power-on, and multi-lamp preheating for efficient operation.
Dual Background Correction: Equipped with D2 and S-H background correction with correction ability exceeding 30 times.
Customizable Options: Offers customized wavelength range and diffraction grating options to meet specific lab needs.
Robust Flame System: Features a 10cm titanium burner head with automatic ignition and fully automated fuel gas control.
ISO9001 & CE Certified: Manufactured with ISO9001 quality management and CE certification for global compliance.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-03-18Nearest Port: Shanghai, Guangzhou, Shenzhen and etc.Average Response Time: ≤5.71hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryDrawell Scientific, legally identified as Chongqing Drawell Instrument Co., Ltd., is a China-based trading company and manufacturer/factory focused on laboratory equipment and scientific instruments. The supplier reports ISO 9001 certification, three production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Its product range includes spectrophotometers, PCR systems, centrifuges, microscopes, balances, incubators, ovens, and related laboratory equipment. The company states that it has exported since 2014, derives 90% of sales from exports, and serves customers in more than 50 countries. It also describes professional R&D, sales, and after-sales teams. Evidence is insufficient to verify financial strength, customization services, or specific customer project outcomes.
Supplier typeThe supplier is identified as both a trading company and manufacturer/factory. Its legal company name is Chongqing Drawell Instrument Co., Ltd., based in Chongqing, China, and its stated business covers laboratory equipment and scientific instruments.
CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of a documented quality-management certification, although the certificate scope and validity period are not provided.
After-Sales capabilityDrawell states that it has a highly qualified after-sales service team and describes its service as professional. These statements support the existence of an after-sales function, but no staffing level, response-time commitment, service network, or repair performance data is provided.
R&D capabilityThe supplier states that it has a professional R&D team, reports 6–10 years of total R&D engineer experience, and offers a broad range of laboratory instruments. However, no patents, product-development results, proprietary technologies, or quantified R&D investment are provided.
Production capacityDrawell is identified as a manufacturer/factory and reports three production lines, 6–10 quality-control staff, and annual production output in the stated range. Its manufacturing scope covers laboratory equipment and scientific instruments, supporting production capability, although capacity utilization and delivery performance are not stated.
Client casesThe supplier states that it has business relationships with customers in more than 50 countries and the records show buyer associations in Kazakhstan and Uzbekistan. These demonstrate international customer activity, but no detailed case studies, project descriptions, customer outcomes, or independently verifiable references are provided.
Product Q&A
Q:What is the warranty period for this spectrophotometer?
A:
The product comes with a 1-year warranty.
Q:What is the wavelength range of the DW-220A?
A:
The wavelength range is 190nm to 900nm.
Q:Does this model support customized specifications?
A:
Yes, customized options are available for wavelength range and diffraction grating.
Q:What are the payment terms accepted?
A:
Accepted payment terms include LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.
Q:What is the average lead time for delivery?
A:
The lead time is within 15 workdays during the off-season and one month during the peak season.
Send Inquiry
*To:
Chongqing Drawell Instrument Co., Ltd.
Chongqing Drawell Instrument Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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