Portable Spectrophotometer LSP-T2014

Introduction

Portable Spectrophotometer features a sphere size of Φ40 mm, providing optimal light collection for reliable measurements on various materials. It offers color tolerance settings, controlling acceptable color variations and consistent matching. The system is integrated with a polarization reflection filter to minimize glare and deliver accurate analysis. Our portable spectrophotometer has a silicon photodiode array sensor for precise detection of light intensity across different wavelengths.

This analytical equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Portable Spectrophotometer is a compact instrument that analyzes light across different wavelengths. It is utilized in cosmetics and pharmaceuticals for monitoring color consistency in makeup products and ensuring quality control of products.

Specifications

Sphere Size	Φ40 mm
Optical Geometry	D/8, / Include UV/ Exclude UV Light Source
Sensor	Silicon Photodiode Array (Double Row 32 Groups)
Wavelength Range	360 to 780 nm
Wavelength Pitch	10nm
Measured Reflectance Range	0 to 200%
Measuring Aperture	One Aperture: Φ8mm or Φ4mm
Color Spaces	, , Yxy, LCh, , S-, βxy, Munsell (C/2)
Color Difference Formula	ΔE × ab ΔE × uv, ΔE × 94, ΔE × cmc (2:1), ΔE ×cmc (1:1), ΔE × 00
Other Indices	WI ( E313, /, , Hunter, TaubeBerger Stensby) YI ( D1925, 313) MI
Illuminants	D 65, A, C, D50, D55, D75, F1, F2 (), F3, F4, F5, F6, F7 (), F8, F9, F10 (), F11(TL84) F12 (TL83/ U30), , ID50, ID65, , , , , , , , , , , ,
Viewing Angle	2°/10°
Measurement Time	1.5 s
Repeatability	Chromaticity Value: /, within ΔE × ab 0.03 Spectral Reflectance: /, Standard Deviation within 0.1% (400nm to 700nm: within 0.2%)
Inter- Instrument Error	/, within ΔE × ab 0.2
Displayed Accuracy	0.01
Measurement Mode	2 to 99 times
Storage Capacity	1000 Pcs Standard, 20000 Pcs Sample
Operating Temperature	0 to 40°C, 0 to 85% RH, Altitude<2000m
Storage Temperature	-20 to 50°C, 0 to 85% RH
Power Consumption	3.7 V, 5000mAh
Dimensions (L× W× H)	129× 76 × 217mm
Weight	600g

Features

Low Inter-Instrument Error

High Display Resolution

UV Light Control

Adjustable Viewing Angles

Fast Measurement Speed

FAQs

1. How does stray light impact portable spectrophotometer?

supplies premium portable spectrophotometer. Stray light introduces unwanted signals that reach the detector at unintended wavelengths, reducing measurement accuracy, particularly at higher absorbance levels. It can flatten absorbance curves and falsely lower concentration readings. Portable spectrophotometers combat this using narrow optical slits, internal baffles, high-grade coatings, and anti-reflective surfaces to minimize internal reflections. Some devices employ digital correction techniques or optical filters to further limit stray light. Enclosures and light shields are also used to block ambient light during operation. Additionally, calibration with certified reference materials helps monitor and compensate for stray light effects. While more challenging in small devices, advanced engineering ensures that stray light remains within acceptable limits for most field applications.

2. How is wavelength accuracy maintained in portable spectrophotometers over time?

portable spectrophotometer include advanced features. Maintaining wavelength accuracy is vital for reliable measurements and long-term instrument validation. Over time, temperature changes, mechanical wear, or aging of optical components can lead to wavelength drift. To address this, manufacturers often integrate internal standards such as holmium oxide filters for routine calibration. Users can also perform external calibrations using certified reference solutions like didymium or holmium. Some instruments use software algorithms that auto-correct based on known spectral peaks. Advanced models include temperature compensation and self-diagnostics to stabilize readings. Regular calibration intervals, combined with quality assurance protocols, help ensure accuracy and traceability, especially in regulated environments or critical testing scenarios.

3. How does a portable spectrophotometer ensure repeatability and precision in field conditions?

portable spectrophotometer ensures repeatability and precision in field environments are achieved through a combination of rugged design, software algorithms, and built-in calibration routines. High-quality optical and electronic components are engineered to resist temperature, humidity, and vibration-induced variability. Instruments often feature auto-zeroing, internal references, and real-time diagnostics to correct for drift. Consistent sampling protocols—such as using cuvettes of uniform pathlength and proper cleaning are essential. Some devices include locking mechanisms to ensure cuvette alignment remains fixed during measurement. Repeatability is further supported by digital averaging of multiple scans. When properly maintained and used according to best practices, modern portable units can deliver high reproducibility, even under non-laboratory conditions.

4. How do portable spectrophotometers manage temperature effects on measurement accuracy?

It supplies advanced portable spectrophotometer. Temperature fluctuations can affect the stability of light sources, detectors, and optical alignment, leading to drift in absorbance readings. To address this, many portable spectrophotometers incorporate temperature compensation algorithms that adjust readings based on internal sensor data. High-end units use thermally stable components and heat sinks to reduce sensitivity to ambient temperature changes. In some designs, light sources are preferred over traditional lamps due to their lower thermal variability. Users are also advised to allow the instrument to thermally equilibrate before measurement. Regular calibration at different temperatures can also help ensure robust performance across environments. Ultimately, temperature management is key to maintaining accuracy during outdoor or industrial fieldwork.

5. How do portable spectrophotometers handle low-light or low-concentration measurements?

premium portable spectrophotometer have advanced in-built features. To handle low-light or low-concentration measurements, portable spectrophotometers use sensitive detectors such as photodiode arrays or sensors with low noise characteristics. Signal averaging and extended integration times are employed to improve the signal-to-noise ratio. High-quality optics with narrow slits enhance sensitivity by minimizing stray light and maximizing throughput. In addition, some devices support sample enrichment techniques or allow for longer optical pathlengths using flow cells or cuvettes. Built-in software may also perform background correction and baseline normalization to extract weak signals. While still limited compared to lab-grade instruments, many portable models now reach detection limits sufficient for environmental, pharmaceutical, and biochemical field assays.