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ATP3330 Uncooled High Resolution Spectrometer
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Product Code: ATP3330
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  • ATP3330 are newly designed ultra thin, cooled, ultra high resolution miniature spectrometers developed by Optosky. ATP3330 is m-type optical path structures, which have extraordinary ultra-high resolution. Cooled 2048 pixels at the same time, it uses the linear array detector, reached the acme of the ultra high resolution, high resolution can reach <0.04 nm, suitable for all kinds of applications, high resolution and high reliability, ultra-high speed, low cost, high cost performance and other characteristics, can adapt to the online test USES a variety of environments such as micro spectrometer.
  • ATP3330 is uncooled, which greatly reduces the dark current and noise , improves the dynamic range and signal-to-noise ratio, and improves the environmental adaptability of the spectrometer.
  • ATP3330 can receive SMA905 fiber input light or free space light, and output the spectral data obtained through USB2.0 or UART port.
  • ATP3330 has free SDK for customers self-developed, Optosky support C++, C#, Labview and Linux system SDK, which is very convenient for OEM customers to design solutions.


Detector type Linear array detector
Effective pixels 2048 pixels
Pixels dimension 14μm × 200μm
Sensitivity 1300 V/(lx·s)
Dark noise 13 RMS @ 13 ˚C
Range Drift 200-1100 nm
Dimensions 125 × 90 × 32 mm
Optical parameter
Focal distance 75mm
Optical resolution 0.04-3 nm
Incident Interface SMA905 connector
Dynamic range 8.5 x 107 (system); 2000:1 for a single acquisition
Working humidity < 90%RH
Wavelength range 200-1100 nm (optimal design for >500 nm)
Slit Size 50 μm (10, 25, 100, 200 μm are optional)
SNR >600:1
Optical Design Traditional Czerny-Turner, M-shape light path
Physical parameters
Weight 500 g
Electrical parameter
A/D conversion resolution 16 bit
Integration time 0.1 ms - 256 second
Interface USB Type-C
Supply voltage DC 4.5 to 5.5 V (type @5V)
Operating current 200mA
Storage temperature -30°C to +70°C
Operating temperature 25 ~ 50 oC
  • M-shape, high resolution;
  • Wavelength range: 200-1100 nm;
  • Resolution: 0.04 ~ 3 nm;
  • Optical path: M-shape C-T;
  • Detector:  2048 pixel;
  • Integration time: 0.1ms ~ 256s;
  • Power supply: DC 5V power supply;
  • ADC:16 bit;
  • Output:USB Type-C;
  • 20-pin expansion interface;
  • LIBS, Plasma luminescence detection;
  • Raman detection;
  • Wavelength monitoring, laser, LED and other luminous bodies
  • Water quality analyzer
  • LED sorting machine, color detection;
  • Spectral analysis, radiation spectroscopic analysis, spectrophotometric analysis;
  • Reflection and transmission spectrum detection

How to select High resolution & uncooled spectrometer from Optosky?

Optosky ATP3XXX series are high resolution and uncooled spectrometer.

ATP3000 (2048pixels) & ATP3040 (4096pixels) both uses crossed C-T, higher sensitivity, they are usually used to replace HR2000 and HR4000

ATP3030 (2048pixels) & ATP3034 (4096pixels) both uses M-shape C-T, higher resolution, low stray light, uv enhanced application is highly recommended.

ATP3330  (2048pixels) & ATP3334  (2048pixels) ) both uses M-shape C-T, higher resolution, low stray light, NIR range can also applicable to high resolution.

How many topology structure of optical path for a spectrometer?

There are commonly divided into 4 types of optical path, including crossed C-T, M-shape C-T, concave grating optical path, transmittance grating opitcal path.

Crossed C-T: ATP2000P,ATP2002, ATP2400, ATP1010, ATP5020P, ATP5040, ATP6500

M-shape C-T: ATP3030, ATP3034, ATP3330/4 ATP5030, ATP5034, ATP5330/4 

Concave grating: ATP4230, ATP4020, ATP4050, ATP4070

let's see the M-shape optical path looks like a number "3", so our models uses the 3rd number "3" to indicate M-shape optical path models.

In generally, topology structure can decide resolution, sensitivity, stray light, and size of a spectrometer.

Crossed C-T topology structure employs better sensitivity and compact size.

M-shape C-T employs higher resolution and better stray light.

Concave grating optical path employs high stray light.

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