WFX-860B Pro Zeeman AA Spectrophotometer

Light Source System

-Automatic 8-lamp turret, automatic optimization and alignment；
-2 positions for High performance lamp;
-8-lamp power on and multiple lamp preheat at the same time;
-Memory function of editing each lamp position freely, with no need to use coded lamps.

Optical System

-Czerny-Turner monochromator, diffraction grating groove 1800 lines/mm;
-Seven spectral bandwidths automatically setting and optimization;
-Casting optical platform, ultra-low deformation under high/low temperature thermal effects, comprehensively improve stability;
-Double-beam optics deducts baseline drift, saves warm-up time, comprehensively improves stability and analysis accuracy;
-Baseline drift is better than 0.001Abs under 8-hour continuous work.

Atomization system

-Constant and transverse magnetic field Zeeman background correction system, with all-element, all-wavelength, high
background correction ability, easily deducts background interference above 2 Abs;
-Enhanced flame constant magnetic field intensity up to 1.0T, improving analytical sensitivity;
-Automatic ignition and gas flow precision control; The element intelligent matching technology achieves the self-adaption of
flame height and flow;
-Alarm and automatic protection to fuel gas leakage, abnormal flow, insufficient air pressure and abnormal flame extinction in
flame system;
-Equipped with an emergency button to extinguish the flame quickly.
-With the function of cooling water and temperature monitoring to protect the magnetic field system for reliable operation.
-With the foot-operated reading function, the testing data can be easily read by stepping on the reading panel, freeing the
operator’s hands.

Software and Communication

-Intelligent operation software compatible to Win7 & Win10;
-One-key operation for instrument optimization, supporting multi-task analysis；
-Automatic curve fitting, automatic re-slope, automatic concentration calculation, etc.；
-Ethernet interface makes the communication more stable.

Specifications

Wavelength Range: 170nm～900nm；
Wavelength Accuracy: Better than ±0.10nm;
Wavelength Repeatability: 0.05nm；
Baseline Stability: 60min baseline drift0.0005Abs, Instantaneous noise0.0005Abs；
Dynamic Baseline Stability: 30min baseline drift0.001Abs, Instantaneous noise0.001Abs；
Resolution: Spectral bandwidth deviation0.02nm, Valley-peak energy ratio 25% (Mn at 279.5nm and 279.8nm)；
Cu: Detection limit0.002g/mL, Characteristic concentration0.03g/mL/1%, Precision0.25%；
Background Correction：better than 150 times.
Dimensions and Weight: 1010mm×620mm×630mm（L×W×H）, 115kg

Flame Analysis Data

Extended Accessories

-Flame Autosampler
Patented technology allows for quick removal/installation of the reagent vessel and sample vessel, making sample
preparation and cleaning more convenient；【Chinese patent No. ZL 2019 2 1867514.1】
Capacity: 70 vessels, 15 for reagent, 55 for sample, vessel volume20mL; Users can freely define the position of reagent
vessel and sample vessel;
Dimensions and Weight：450mm×300mm×450mm（L×W×H）, 14kg;
-Multiple Nebulizers Options
Organic phase resistant nebulizer, HF acid resistant nebulizer etc.
-Audit Trail Software
FDA 21 CFR Part 11 compliance software