Atomic Absorption Spectrophotometer DW-180B Flame Type

Atomic Absorption Spectrophotometer is a high-performance laboratory instrument engineered for precise multi-element analysis. The DW-180B is a brand-new single-flame atomic absorption spectrometer, offering low price, high performance, and significant improvements in reliability and ease of use. Sales exceeded 100 units in the year following its launch, with zero after-sales quality issues and high customer satisfaction.

  1. Fully automatic PC control
  2. 8-lamp turret, supports simultaneous preheating of 4 lamps.
  3. Uses standard 1.5-inch hollow cathode lamps; lamp current adjustment range 0mA~15mA.
  4. Classic Czerny-Turner monochromator, grating line density 1800 lines/mm plane diffraction grating
  5. Spectral bandwidth: 0.1nm, 0.2nm, 0.4nm, 0.8nm, 1.6nm, 2.4nm (automatic switching)
DW-180B Manual
DW-180B Packing List

Features of the Atomic Absorption Spectrophotometer DW-180B


The optical platform, employing a novel “silicon-aluminum alloy integral casting” structure, is integrally suspended and installed within the main instrument structure.

Features of DW-180B
Features of DW 180B 2

Wavelength range: 170~900nm;

Wavelength error and repeatability: Error not exceeding ±0.10nm, repeatability ≤0.05nm;

Baseline stability: Static 30min drift ≤0.002Abs, noise ≤0.001Abs;

Dynamic 30min drift ≤0.002Abs, noise ≤0.001Abs;


JJG 694 requirements: Copper detection limit ≤ 0.020 μg/mL, RSD ≤ 1.5%

Industry bidding requirements: Copper detection limit ≤ 0.004 μg/mL, RSD ≤ 0.5%

WFX enterprise standard: Copper detection limit ≤ 0.003 μg/mL, RSD ≤ 0.5%

Features of DW 180B 3
Features of DW 180B 4

Other Features:

  1. 10cm all-titanium burner head
  2. Corrosion-resistant PPS atomizing chamber, supports multiple atomizer extensions
  3. Flame foot pedal reading function for easy data reading
  4. Comprehensive safety alarm system with dual software and hardware protection
  5. Supports oxygen-enriched flame extension, automatic/manual flow extension, etc.

Applications of DW-180B Flame Type AAS 

AAS Application

DW-180B Flame Type AAS Display

  • 72b58535 1527 428e a824 a50e148c59ce
  • DW 180B 1
  • DW 180B 2 1
  • DW 180B 4
  • DW 180B 7
  • DW 180B 8

Paremeters of Atomic Absorption Spectrophotometer DW-180B

  • Adopt 8 lamp position design, with automatic rotation/switching/collimation and other functions
  • Support 1 to 4 lamps to light up at the same time, and multiple lamps can be preheated at the same time to improve the analysis efficiency;
  • The memory function of each lamp position can be edited freely, without the need to use custom coded lamps
  • The optical table with integral casting structure is integrally suspended in the main structure of the instrument.
  • Classic Czerny-Turner monochromator, grating line density 1800 lines/mm plane diffraction grating
  • Spectral bandwidth: 0.1nm, 0.2nm, 0.4nm, 0.8nm, 1.6nm, 2.4nm (automatic switching)
  • Automatic peak search setting and scanning, automatic setting of slit width and energy, automatic wavelength optimization and no reset when switching wavelength.
  • High sensitivity, wide spectral range photomultiplier detector.
  • 10cm all-titanium burner for air-acetylene flame.
  • Corrosion-resistant material PPS directly forms the atomization chamber, supporting conventional, adjustable, alkali-resistant/organic-resistant and other atomizers for selection
  • The flame height is continuously adjustable and has a locking function, which supports 360° free rotation of the combustion seam angle to adjust the sensitivity
  • Automatic ignition/flame-off control, high-precision and high-reliability gas flow regulation system
  • Standard reading pedal function, easy to read test data
  • The instrument has complete security protection and dual alarm systems of software and hardware to prevent problems.
  • Flame system: Real-time monitoring of flame status, air pressure, ignition failure, gas leakage, abnormal flameout, and other problems. Automatically cut off the gas source and alarm to ensure safety in use.
  • Equipped with independent active safety protection device: flame emergency flameout protection switch.
  • Deuterium lamp background correction, 1.0Abs background correction ability ≥ 90 times
  • The professional workstation, automatic optimization of instrument status, one-click completion, support for multi-task analysis and automatic switching function
  • The number of measurement repetitions is 1~99 times, and the average value, standard deviation, relative standard deviation, etc. are automatically calculated
  • Fully automatic fitting of calibration, reset slope, calculation of concentration and sample content, etc., with the function of standard addition method
  • Customized information supports custom addition, test data and analysis report printing, and supports output in Word, Excel and other formats

1080mm×480mm×560mm（L×W×H），70kg

Extended Functions of Atomic Absorption Spectrophotometer DW-180B

DW-180B-4

Optional auto-sampler, adopting 71-position sub-master plate patented technology, can quickly remove/install standard solution cup and sample cup respectively. The single cup volume ≥ 20mL, self-calibrating sampling position, automatic large flow multi-stage Simple cleaning and other functions, high ease of use and flame analysis.

DW-180B-5

Oxygen-enriched-air-acetylene high-temperature flame is selected, and there is no dangerous gas-N2O, which ensures that the detection limit of high-temperature elements such as aluminum, barium, chromium, molybdenum, and vanadium is effectively improved, and at the same time it brings a jump in analytical sensitivity.

Various specifications of wide-slit combustion heads, adjustable nebulizers, alkali-resistant/organic-resistant nebulizers, etc. are selected, and the analysis of various samples such as high-salt samples, organic samples. The alkaline samples are more reliable and effectively reduces crystallization, clogging, corrosion, and pollution.

DW-180B-6

Optional hydride generator for hydrogenation analysis to achieve effective expansion of element types, analytical performance, and detection limits such as arsenic, mercury, and selenium.

Optional audit trail software, with electronic signature function, supports user multi-level authority management, protects data security, realizes traceability of analysis process, and fully complies with GMP-related quality management and audit trail requirements.

FAQ

Spray Chamber: Molded as a single unit from Polyphenylene Sulfide (PPS)—a material used in aero-engines—it offers excellent flame retardancy, corrosion resistance, high-temperature stability, and high mechanical strength, ensuring a long service life.

Burner Head: Cast as a single piece from industrial-grade TA2 high-purity titanium, offering superior corrosion resistance. The slot surface is finished using slow-feeding wire-cut EDM to achieve a near-mirror polish, and the system supports an optional wide-slot burner head for analyzing high-salt samples.

Yes. The instrument supports an upgrade to oxygen-enriched flame technology. This allows the flame temperature to exceed 2700°C without the need for hazardous chemicals (like nitrous oxide), enabling the effective analysis of high-temperature elements such as calcium, aluminum, barium, molybdenum, titanium, and vanadium.

The WFX-180B is widely used in fields such as geology and mining, soil analysis, new energy, environmental monitoring, and water quality analysis. For instance, it can be used to comply with national standards such as GB/T 5750.6 (Standard examination methods for drinking water) and GB/T 11904-1989 (Water quality—Determination of potassium and sodium).

The WFX-180B utilizes deuterium lamp background correction technology. Official data indicates a correction capability of ≥90 times when subtracting a background of nearly 1.0 Abs, effectively eliminating interference from complex matrices.

The dedicated professional software supports Windows 7/10 operating systems and features the following:

Automation: One-click automatic optimization of instrument status.

Data Processing: Supports 1 to 99 replicate measurements; automatically calculates mean values, standard deviations, and RSD; and automatically fits calibration curves and calculates concentrations.

Output: Analysis reports support printing and can be exported to formats such as Word or Excel for further editing.

The instrument is equipped with a comprehensive dual safety alarm system (incorporating both hardware and software) that monitors conditions such as flame status, air pressure, gas leaks, and abnormal flameout in real time; it automatically shuts off the gas supply and triggers an alarm if any anomaly is detected. Additionally, it features an independent active safety device (an emergency flameout protection switch) that serves as a final line of defense for operational safety.

Based on general troubleshooting for atomic absorption spectrometers, potential causes include:

Baseline fluctuation: May stem from unstable light source radiation, poor flame/nebulization conditions, contamination of optical components, or excessively high detector voltage.

Low sensitivity: May result from excessive lamp current causing spectral line self-absorption, unoptimized flame type or height, low nebulization efficiency (e.g., large droplet size), inaccurate wavelength alignment with the primary resonance line, or improper spectral bandwidth selection.

Specifications of DW-180B Flame Type AAS

  • 180B Test report
  • Flame AAS 180B Elements List
ModelDW-180BSeries Number25100121 Inspection EnvironmentTemperature: 23 °C     Humidity: 50%
Measuring InstrumentDescriptionPressure Leak
Tester		Megohm MeterDigital Meter
ItemTechnical RequirementTesting Results
Wavelength Accuracy
error                     and
Repeatability (nm)		Hollow cathode lamp: Hg, Number
of tests: 3 times
Wavelength accuracy: ≤±0.20nm
Wavelength Repeatability: ≤0.08		253.65 435.83 546.07 730.03 871.66 
-0.1 0.06 0.04 0 -0.12 
-0.1 0.06 0.04 0 -0.12 
-0.1 0.06 0.04 0 -0.12 
Wavelength
Accuracy error		0.12nmWavelength Repeatability0 
Spectral     Bandwidth
deviation (nm)		Cu≤±0.02(nm)λ2-λ1=0.2nmShift Silt Positioning error (Cu) ≤0.10nm
Deviation:
0.02nm		0.1nm0.2nm     0.4nm    0.8nm     1.6nm2.4nm
0.06 0.06      0.06     0.06      0.06 0.04 
Shift Silt Positioning error: 0.02 nm
Baseline Stability and NoiseLamp Position Inspection


Static
status		    Baseline
       drift		Cu
≤0.003Abs
/30min		0.0025 

Dynamic
status
Baseline
drift
Cu
≤0.003Abs/15mi
n		0.001 1 2 3 4 D2
lamp
√√√√
    Baseline
      noise		Cu≤0.001
Abs
0.0008		Baseline
noise		Cu ≤0.003 Abs0.0002 5 6 7 8 √
√√√√
Edge EnergyNoise ≤0.01Abs
Background≤0.1.5%
Energy 100%，high voltage≤650V		Short waveNoiseBackgroundHigh voltage
0.002 Abs0.8 %522V
Long waveNoiseBackgroundHigh voltage
0.001 Abs0.5%328V
Flame sensitivityCharacteristic
Concentration  of  Cu:
≤0.03μg/ml/1%		    0.019μg/ml/1%Nebulization rateApparent atomization rate
≥8%		12%
sensitivity≥0.15Abs0.22Abs
Detection LimitCu≤0.003μg/ml     0.0007 D2                      Background
correction     capability
≥60 times		320 
Flame Precision %Cu≤0.5 %     0.25%
Calibration        Curve
Linearity		Cu ≤5%     1.80%Safety of Flame Atomization System√
Linearity    Range    of
Flame ≥0.6Abs		     1.05AbsCorrosion Resistance Capability of Atomization System√
Data Processing FunctionCorrect and Valid√Safety of Flame Atomization System√
Insulation Resistance≥20 MΩ787 MΩAppearance√
Leakage Current≤5mA     0.66mAComplete sets of Instrument√
Electrical and Mechanical automatic control function√Flexible, Stable and Reliable√
Conclusion：Satisfy Enterprise Standard: Q/YG BFY 0018-2022 of Atomic Absorption Spectrophotometer
Inspector: baojun ChenRe-check:   √Date: 2025-7-28

Remark: “√” represents “Qualified”

Accessories of DW-180B Flame Type AAS

AAS DW-180B Solutions(1)
  • hollow cathode lamps
    Standard 1.5-inch hollow cathode lamps,  
    lamp current adjustment range 0mA~15mA.
  • Air compressor
    Air compressor CQ-320
  • vapor generator
    HG-C Hydride vapor generator (peristaltic pump type)
  • glass nebulizer
    High effeciency glass nebulizer

Why Choose Us?

One-Station Shopping

“Multiple suppliers” have always been an issue in the procurement process. Drawell as a one-stop laboratory equipment and scientific instruments supplier, can perfectly solve this problem. In addition to manufacturing our own equipment, we also represent other laboratory equipment. Our product lines are rich and diverse at competitive prices. Provide one-stop service to customers.

Customer-centric Services

User Training – Training by Drawell skilled engineers about installation, debug tests, technical services, etc. It can happen in our factory in China, or at the site in the customers’ country. Cost depends on where and when the training happens.

Online Support

To discuss the problem and get it resolved, online chats, real-time video calls, and remote guidance. For the after-sales stage, our online technical guidance is free and ready forever.

100% Quality Guarantee Policy

1 year free official warranty, including repairing quality-damaged parts, and offering replacements of selected parts (shipping cost is extra). 5% of the product price is charged for extending the warranty before the end of the official warranty.

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