Wavelength range: 195–1000 nm, suitable for UV-Vis analysis
Dual light source: automatic switching between tungsten-halogen and deuterium lamps
High wavelength accuracy: ±2 nm with low stray light (≤0.3%T at 220 nm)
Transmission range: 0.0–199.9%T; Absorbance range: -0.301 to 1.999 A
Measurement precision: 0.5%T; Transmittance accuracy: ±0.5%; Repeatability: 0.2%
Supports multiple cuvette sizes: 2cm, 3cm, 5cm, and 10cm (including 10cm cell holder)
Features patented one-key 0%T & 100%T calibration for easy operation
 

Wavelength Range: 195–1000 nm
Transmission Range: 0.0–199.9% T
Absorbance Range: -0.301 to 1.999 A
Wavelength Accuracy: ±2 nm
Spectral Bandwidth: 4 nm
Measurement Precision: 0.5% T
Stray Light: ≤0.3% T (at 220 nm)
 

Wavelength range: 200–1000 nm
High accuracy scanning device with patented technology for stable and repeatable readings
Transmission ratio range: 0.0–125.09%T; absorbance range: -0.097 to 2.5 A
Wavelength accuracy ±1 nm; spectral bandwidth 4 nm
Transmittance accuracy ±0.5% and repeatability 0.2%
Supports self-regulating 0%T & 100%T functions
Equipped with online software for quantitative and qualitative analysis via computer control
 

Wavelength Range: 200–1000 nm
Transmission Ratio Range: 0.0–125.09% T
Absorbance Range: -0.097 to 2.5 A
Wavelength Accuracy: ±1 nm
Spectrum Bandwidth: 4 nm
Transmittance Accuracy: ±0.5%
Stray Light: ≤0.3% T (at 220 nm)
Measurement Precision: 0.5% T
Transmission Repeatability: 0.2%
 

Wavelength range: 325-1000 nm, suitable for visible light measurements
Spectral bandwidth: 4 nm, with ±2.0 nm wavelength accuracy
Transmittance accuracy: ±0.5% T, stray light ≤0.05% T (340nm NaNo2)
Manual wavelength adjustment with 4-digit LED digital display
Metering modes: Transmittance, absorbance, concentration, energy
Light source: Imported tungsten lamp; Detector: Imported silicon photodiode
Dimensions: 360×280×190 mm; Weight: 9 kg
 

Wavelength range: 325-1000 nm, covering visible and near-infrared spectrum
Spectral bandwidth: 2 nm; Wavelength accuracy: ±1.0 nm
Transmittance accuracy: ±0.5% T; Stray light: ≤0.05% T (340 nm NaNo2)
Measurement modes: Transmittance, absorbance, concentration, energy
Display: 128×64 LED digital display with automatic 0 and 100% adjustment
Light source: Imported tungsten lamp; Detector: Imported silicon photodiode
Connectivity: USB interface and parallel printer port; PC software control optional
 

Wavelength coverage: 325-1000 nm with automatic wavelength adjustment
Spectral bandwidth options: 4nm (PV-1300NPC), 2nm (PV-1500NPC)
Transmittance accuracy: ±0.3% T; stray light ≤0.05% T (340nm NaNo2)
Large 128×64 bit LCD display with multiple data and curve storage
Measurement modes: transmittance, absorbance, concentration, energy
Equipped with USB port and universal parallel printing interface
Dimensions: 480×350×220mm; Net weight: 11 kg
 

Wavelength Range: 190–1100 nm
Spectral Bandwidth: 0.5/1/2/4 nm (PUV-1700S), 1.0 nm (PUV-1700A), 1.8 nm (PUV-1700N)
Wavelength Accuracy: ±0.3 nm; Repeatability ≤0.1 nm
Photometric Range: -4 ~ 4 A; Accuracy ±0.3%T
Light Source: Imported Deuterium & Tungsten lamps
Display: 6-inch high-brightness LCD screen
Functions: Wavelength scanning, time scanning, multi-wavelength measurement, DNA/protein measurement (optional)
 

Wavelength Range: 190–1100 nm
Spectral Bandwidth: 4 nm (PUV-1300NPC) / 2 nm (PUV-1500NPC)
Wavelength Accuracy/Reproducibility: ±0.5 nm / ≤0.2 nm
Photometric Range: -0.3 to 3 A; Transmittance Accuracy ±0.3% T
Light Source: Imported deuterium & tungsten lamps (automatic switching)
Display: 128×64 LCD display with multiple data storage capability
Connectivity: USB & printer interface, PC software control (optional)
 

Wavelength Range: 200–1000 nm
Spectral Bandwidth: 4 nm (PUV-1100) / 2 nm (PUV-1200)
Wavelength Accuracy: ±2 nm (PUV-1100) / ±1 nm (PUV-1200)
Photometric Range: –0.3 to 3 A
Detector: Imported silicon photodiode
Light Source: Imported deuterium & tungsten lamps
Features: Automatic wavelength adjustment, light source switching, USB & printer output, spectral scanning via PC software (optional)