Spectroscopy
Visible Spectrophotometer
- Models
- LVS-A10; LVS-A11; LVS-A12; LVS-A20; LVS-A30
- Wavelength Range
- 320 to 1020nm
- Spectral Bandwidth
- 5nm
- Wavelength Accuracy
- ±2nm
- Wavelength Repeatability
- ≤1nm
Labtron supplies highly accurate visible spectrophotometers. The LVS-A10 features a 320–1020 nm range, 5 nm bandwidth, and a reliable silicon photodiode detector.
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5 models
Product Description
Visible Spectrophotometer specification for every model we supply. Figures are the manufacturer’s published values.
| Specification | Value |
|---|---|
| LVS-A10 — Visible Spectrophotometer | |
| Wavelength Range | 320 to 1020nm |
| Spectral Bandwidth | 5nm |
| Wavelength Accuracy | ±2nm |
| Wavelength Repeatability | ≤1nm |
| Photometric Range | T: 0 to199.9%, A: -0.3 to2.5 Abs, F; 0 to 9999, C: 0 to 9999 |
| Photometric Accuracy | ± 0.5 % T |
| Photometric Repeatability | ≤ 0.2 % T |
| Detector | Silicon Photodiode |
| Light Source | 20 W, 12 V Tungsten lamp |
| Stray Light | ≤0.3%T |
| Stability | Dark current: ≤ 0.2 % T, Light Current: ≤ 0.5 % T |
| Optical System | Single beam, Czerny-Turner (1200L/mm Grating) |
| Power Requirement | 220 V ± 20 V, 50 Hz ± 1 Hz |
| Dimensions | 420 × 350 × 185 mm |
| Packaging Dimension | 520 × 450 × 320 mm |
| Weight | 8 kg |
| Gross Weight | 12 kg |
| LVS-A11 — Visible Spectrophotometer | |
| Wavelength Range | 320 to 1020 nm |
| Spectral Bandwidth | 5 nm |
| Wavelength Accuracy | ± 2 nm |
| Wavelength Repeatability | Up to 1 nm |
| Optical System | Czerny-Turner (1200L/mm grating) |
| Photometric Range | Transmittance (T) : 0 to 199.9% Absorbance (A): -0.3 to 2.5 Factor (F): 0 to 9999 Concentration (C): 0 to 9999 |
| Photometric Accuracy | ± 0.5 % T |
| Photometric Stability | ± 0.004 /H at 500 nm |
| Detector | Silicon photo diode |
| Light Source | Halogen lamp |
| Stray Light | Up to 0.3% T |
| Display Mode | LED |
| Data Output | RS232 |
| Dimensions | 420 × 350 × 185 mm |
| Packing Dimension | 520 × 450 × 300 mm |
| Net Weight | 6 kg |
| Gross Weight | 8 kg |
| LVS-A12 — Visible Spectrophotometer | |
| Wavelength Range | 340 to 1000nm |
| Spectral Bandwidth | 5 nm |
| Wavelength Accuracy | ± 2nm |
| Wavelength Repeatability | ≤ 1 nm |
| Wavelength Setting | Manual Turn Knob |
| Photometry | Single Beam |
| Photometric Range | 0 to 100.0%T 0 to 1.999A 0 to 1999C |
| Photometric Accuracy | ±0.5%T |
| Photometric Repeatability | ≤ 0.2%T |
| Noise | 100%（T）noise ≤0.3%(T) 0%（T）noise ≤0.2%(T) |
| Drifting | ±0.5 %T/3min |
| Monochromator Type | Czerny-Turner |
| Detector | Silicon Photocell |
| Cuvette Holder Size | 100mm |
| Light Source | Halogen or Deuterium lamps |
| Stray Light | ≤ 0.5%T (at 360nm NaNO₂) |
| Power Supply | AC220V±22V 50Hz±1Hz, 50W |
| Dimensions (W × D × H) | 400 × 300 × 200 mm |
| Packaging Dimension (W × D × H) | 560 × 500 × 300 mm |
| Net Weight | 13 Kg |
| Gross Weight | 15 Kg |
| LVS-A20 — Visible Spectrophotometer | |
| Photometry | Single Beam |
| Monochromatic Type | Czerny-Turner |
| Wavelength range | 340 to 1000nm |
| Spectral bandwidth | 5 nm |
| Wavelength Accuracy | ± 2nm |
| Wavelength Repeatability | ≤ 1 nm |
| Focal length | 160 mm |
| Photometric Range | 0 to 100.0 %T 0 to 1.999 A 0 to 1999 C |
| Photometric Accuracy | ± 0.5 % T |
| Photometric Repeatability | ≤ 0.2 % T |
| Detector | Silicon Photocell |
| Grating | 1200 lines/mm |
| Stray light | ≤ 0.1( at 360nm NaNo2 ) |
| Noise | 100%（T）noise≤0.3%(T) ， 0%（T) noise ≤0.2 %(T) |
| Cuvette holder size | 10 mm |
| Dimension | 580 × 460 × 345 mm |
| Power consumption | 80 W |
| Power supply | AC 220 V±22 V 50Hz ±1 Hz |
| Gross weight | 12.5 kg |
| LVS-A30 — Visible Spectrophotometer | |
| Wavelength range | 320 to 1100 nm |
| Spectral bandwidth | 2.0 nm |
| Wavelength Accuracy | ± 0.8 nm |
| Wavelength Repeatability | ≤ 0.3 nm |
| Optical system | Single beam, blazed holographic Grating (1200 lines/mm) |
| Photometric Range | 0 to 200 %T, -0.3 to 3 A, 0 to 9999 C |
| Photometric Accuracy | ± 0.002A (0 to 0.5A), ±0.004 A (0.5 to 1A), ±0.5 % T (0 to 100% T) |
| Photometric Repeatability | ≤ 0.001A (0 to 0.5 A), ≤0.002A (0.5 to 1A), ≤0.2 % T (0 to 100% T) |
| Detector | Silicon Photocell |
| Stray light | ≤ 0.1% T (220/360 nm) |
| Noise | ≤0.2 % T/3 min (250/500 nm, 0% T), ≤ 0.5% T/3 min (250/500 nm, 100% T) |
| Scan speed | High, Medium, Low, Max. 2000 nm/minute |
| Baseline flatness | ± 0.003 A |
| Stability | ± 0.002 A/h (500 nm, 0A) |
| Sample compartment | Accommodates 5 to 100 nm Path length cuvette |
| Lamps | Tungsten lamp & Deuterium lamp (Pre-aligned) |
| Display | Graphic LCD (128 × 64 Dots) |
| Keyboard | 22 key Numeric membrane keyboard |
| Output Port | USB Port & RS232 Port |
| Printer | Mini Serial Printer, PC printer |
| PC software | Optional PC scanning software |
| Dimension | 490 × 390 × 280 mm |
| Power supply | AC 90 to 250 V, 50/60 Hz |
| Gross weight | 16 kg |
Specification published by Labtron. Confirm the exact configuration on the written quotation before ordering.
Key features
What the range offers
- Manual wavelength adjustment
- Simple design
- LED display
- User-friendly operation
- RS232 for PC data transfer
- Imported Tungsten lamp
- RS232 interface for data transfer
- Direct concentration readout function
Applications
Where it is used
- Visible Spectrophotometer LVS-A10 is used in various industries, including biochemical, environmental, food, medical, and petrochemical sectors for quantitative and qualitative analysis.
- Our Visible Spectrophotometer LVS-A11 is used in universities and colleges, and for environmental monitoring & control in food and beverage production and quality control, and agricultural monitoring.
- Our Visible Spectrophotometer LVS-A12 is suitable for laboratory and teaching environments, making it ideal for instruction, basic research, and quality control.
- Visible Spectrophotometer is used in high requirement for precision measurement in the research and production of organic chemistry, biochemistry, medical testing, food testing, environmental protection, water testing industries, etc.
- Our Visible Spectrophotometer LVS-A30 is used in high requirement for precision measurement in the research and production of organic chemistry, biochemistry, medical testing, food testing, environmental protection, water testing industries, etc.
Next step
Tell us the capacity and the duty.
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