OPTIZEN POP SERIES are single-beam type spectrophotometers and offer stable performance and compact-size and reasonable price to the users.

The series are categorized into POP, POP-S, POP-V according to the specification of the products.

Main Charateristics
  • Checking and recording the temperature at the analysis moment by applying the temperature measurement system.
  • Offering ARM Cortex™ – A8 processor and supporting basic 16GB storage.
  • It can measure automatically lots of samples by using Multi Cell.
  • Supporting convenient voice service and volume control function.
  • Supporting network printer.

Product details

OPTIZEN POP offers four measurement modes (Photometric Mode, Quantitative Mode, Spectrum Mode, Kinetics Mode).

The user can choose a suitable mode depending on the purpose to measure.

The embedded S/W, touch screen interface and application facilitate the use of the device.

Optizen POP
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Product Information

  • Offering a help service with a graphic type.
  • Easily and quickly call up the information that is being measured or analyzed by registering it in you favorites.
  • Link it with PC by using OPTIZEN VIEW.
  • The measurement is possible in the optimal condition by checking the equipment’s operation time, lamp warm up condition and accumulated using time in real time.
  • The measurement monitoring is possible through choosing cell type without entering a mode and easily checking the current cell condition is possible through a change cell type icon according to the cell type condition or position.

Product Qualification

Photometrics System Single Beam Type
Light Source Tungsten Halogen Lamp & Deuterium Lamp
Spectral Bandwidth 1.8 nm (190 to 1100 nm)
Wavelength Range 190 to 1100 nm
Wavelength display 0.1 nm
Wavelength accuracy <± 0.5 nm
Wavelength repeatability <± 0.1 nm
Slew rate About 8,800 nm/min
Scan speed max 4,000 nm/min
Photometric range Absorbance : -3 to 3 Abs
Transmittance : 0 % to 300 %
Photometric accuracy ± 0.005 at 1.0 Abs
Stray lighty < 0.05 % Nal at 220 nm, NaNO₂ at 340 nm
Baseline stability <± 0.001 Abs/h
Baseline flatness ± 0.002 Abs
Monochromator Czerny-Turner type with 1200 lines/nm blazed grating
Lamp interchange Wavelength 340~410 nm (Default 370 nm)
Standard cell Holder Autometic Rotary type 8-position Multi-Cell Holder
Display 7 inch color LCD with touch screen;
Operating system(OS) Windows CE;
Power Requirement 100~240 V; 50~60 Hz
Weight(kg) 8 kg
Dimensions(WxDxH) 433(W)x381(D)x180(H)


Experience faster and more convenient OPTIZEN POP.

One-touch Cell Holder Cover
One-type touch cell holder can easily be opened and closed.
Mounting a measurement part with temperature sensor
Temperature measurement system is adopted as standard inside the sample box, allowing the temperature of the analysis to be checked and recorded instantaneously
Network Printer Support
Data can be printed out by connecting to the main unit without installing a printer driver.
Remote Control
OPTIZEN VIEW can easily analyze data, using fast result value acquisition and post-processing functions.
User Convenience
All functions of existing PC software are installed in OPTIZEN POP, making it faster and more convenient.
Incredible Speed
Fast and flexible software delivers the best result with analytical speeds up to 1.5 times that of existing products.
Rapid Service
Quick services are available as OPTIZEN POP is made in Korea from design conception to manufacturing based on the unique technology of K LAB Co., Ltd.
Extensive Scalability
OPTIZEN POP is designed for high-precision/high-resolution measurement in widebands from ultraviolet to visible light and can be used in various applications.
Compact Size
Compact OPTIZEN POP enhances the efficiency of the experimental space.
Sensuous Design
Now, you can enjoy a greater level of pleasure with a sensuous design.



OPTIZEN POP has an intuitive interface that allows accurate data measurement and analysis with a single touch, focusing on user convenience. The measurement results are also easy to be edited and exported. The POP includes a variety of features optimized for laboratory equipment.

OPTIZEN pop Favorite

By registering the information that is being measured or analyzed, or has been completed, you can easily and quickly call up the information to perform tasks.

Measured Value Monitoring Function

You can always check measured values in real time.

OPTIZEN POP Value Monitoring Function
Quick Cell Type Selection

Measurement monitoring is possible by selecting a cell type without entering the mode. The icon of the cell type in the quick menu changes according to the cell type status or position, so that the current status of the cell can be easily checked.

Lamp Preheating Status Check Function

You can check the operating time of the equipment, the preheating status of the lamp and the cumulative operating time in real time and measure in the optimal status.

Provision of Data Security

Measured data are saved in the extended memory by default to prevent data loss due to equipment damage. They can also be saved in an external device by using the backup function.

Touch Graph Zoom-In/Out

By providing a drag-select method, it is possible to set a magnification range, and the user can easily enlarge the desired section. The auto-scale function is implemented.

Provision of Useful Control Mode

OPTIZEN Pop can be directly measured from the instrument or remotely from a PC. In a network environment, analysis results can be viewed on a PC without a limit of work space.

Convenient Data Management

By storing data in the extended memory and USB, the user can perform various tasks such as switching data, applying special conversion expressions and exporting to Excel in PC.

Volume Control Function

The volume of the instrument (16 levels) can be adjusted to suit the laboratory environment.

OPTIZEN POP Modes for Measurement

Modes for Measurement

  • Photometric Mode
    Absorption information measurement mode

    This mode allows you to measure the absorbance and concentration of a sample at a specific wavelength.
  • Quantitation Mode
    Quantitative analysis mode

    This mode allows you to quantitatively analyze a sample using the calibration curve.
  • Spectrum Mode
    Absorption spectrum acquisition mode

    This mode allows you to acquire the absorption or transmission spectrum in the desired wavelength band.
  • Kinetics Mode
    Temporal absorption information change confirmation mode

    This mode allows you to measure the absorbance or transmittance of a sample over time.



OPTIZEN POP is equipped with an 8-position rotary multi-cell holder as standard which minimizes the impact of light source drift by measuring the blank automatically of each sample measurement.

OPTIZEN Pop performance
Wavelength accuracy & repeatability

OPTIZEN POP employed the company’s own high resolution wavelength measurement mechanism. This mechanism guarantees a wavelength reproducibility of less than 0.1 nm in all bands. The wavelength accuracy verified through the Holmium Oxide filter (MU* = ±0.2 nm) and Didymium Filter (MU* = ±0.2 nm) is ±0.5 nm or less.

Holmium Spectrum
Reference 279.35 nm 360.85 nm 453.60 nm 536.40 nm 637.65 nm
Measured 279.00 nm 361.00 nm 453.30 nm 536.20 nm 637.40 nm
OPTIZEN pop performance
Baseline Flatness

OPTIZEN POP automatically adjusts the baseline at each measurement, providing a constant baseline flatness without additional baseline correction.

OPTIZEN pop Baseline stability
Baseline stability

Since OPTIZEN POP uses a single-beam monochromator, fluctuations in the measured values may occur due to the drift phenomenon of the light source immediately after turning on the equipment. This phenomenon is gradually stabilized through a preheating process of the light source. Therefore, it is recommended to preheat for more than one hour for high-precision measurement, and in this case, the stability within 0.001 Abs is guaranteed.

OPTIZEN Alpha accuracy
Photometric accuracy & repeatability

OPTIZEN Alpha guarantees photometric accuracy of less than ±0.005 Abs (at 1.0 Abs) and photometric repeatability of less than ±0.0006 Abs(at 1.0 Abs) with exceptional noise characteristics.

350 nm (@ 1 Abs)
(using Potassium Dichromate)
635 nm (@ 1 Abs)
(using Neutral Density Filter)
Photometric Accuracy 3.3 mAbs 1.5 mAbs
Photometric Reproducibility 1.6 mAbs (P-P)
0.5 mAbs (σ)
9.7 mAbs (P-P)
0.3 mAbs (σ)
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