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  • L7 Double Beam UV-VIS Spectrophotometer 190-1100nm
  • L7 Double Beam UV-VIS Spectrophotometer 190-1100nm
  • L7 Double Beam UV-VIS Spectrophotometer 190-1100nm
  • L7 Double Beam UV-VIS Spectrophotometer 190-1100nm
  • L7 Double Beam UV-VIS Spectrophotometer 190-1100nm
L7 Double Beam UV-VIS Spectrophotometer 190-1100nm

L7 double beam UV-VIS spectrophotometer, 190-1100nm wavelength range, 1.8nm spectral bandwidth, Czerny-Turner optical system, 8-inch touch screen. Ideal for quantitative analysis in water testing, pharmaceutical analysis and research laboratories.

Product Details
TAOMSUN
UV-VIS Spectrophotometer Series · Double Beam Analytical Instrument
🌏 Made in China · Korea Sales/Tech Support · OEM/ODM Available

L7 Double Beam UV-VIS Spectrophotometer – 190-1100 nm, 1.8 nm Bandwidth, Touch Screen

Brand:TAOMSUN |Overseas Tech Support:METICULAB (Korea) |Model:L7 · Double Beam · Czerny-Turner · Silicon Photocell

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TAOMSUN L7 double beam UV-VIS spectrophotometeris designed for quantitative analysis, kinetics measurement and low-concentration sample detection in water testing, pharmaceutical analysis, material testing and research laboratories. Equipped with a Czerny-Turner monochromator, 1200 lines/mm blazed holographic grating and silicon photocell detector, it delivers stable photometric performance across the full 190-1100 nm wavelength range. The 8-inch touch screen provides intuitive operation, and optional UV WIN8 software enables full-spectrum scanning, data processing and reporting on PC.

🔍 Key Features:double beam optical system; wavelength range 190-1100 nm; spectral bandwidth 1.8 nm; wavelength accuracy ±0.5 nm; stray light ≤0.03%T; 8-inch touch screen; USB COM port; full-spectrum scanning, kinetics, GOTO wavelength, linear regression, concentration direct reading, peak/valley detection; optional UV WIN8 software.

📋 Technical Specifications

Model L7
Type Double beam UV-VIS spectrophotometer
Optical System Czerny-Turner monochromator, focal length 160 mm
Grating 1200 lines/mm blazed holographic grating
Detector Silicon photocell
Wavelength Range 190-1100 nm
Spectral Bandwidth 1.8 nm
Wavelength Accuracy ±0.5 nm
Wavelength Repeatability ≤0.2 nm
Stray Light ≤0.03%T (220 nm NaI, 360 nm NaNO ₂)
Photometric Accuracy ±0.3%T
Photometric Repeatability ≤0.15%T
Baseline Flatness ≤0.002A over 200-1090 nm
Noise ≤0.15%T (at 100%T)
Drift ≤0.0009 Abs/30 min (after 2 h warm-up)
Display 8-inch color touch screen
Interface USB COM port for PC connection
Power Supply AC 220V ± 10%, 50 Hz

*Typical values; final specifications subject to factory verification.

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⭐ Core Advantages

✅Double Beam Design– Stable baseline, low drift
✅Wide Wavelength Range– 190-1100 nm, UV to visible
✅1.8 nm Bandwidth– High spectral resolution
✅Low Stray Light– ≤0.03%T, accurate low-concentration measurement
✅8-inch Touch Screen– Intuitive, no PC required
✅Rich Functions– Full scan, kinetics, quantitation, peak detection
✅USB Connectivity– Easy data transfer to PC
✅Optional UV WIN8– Advanced data processing software

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🎯 Main Application Fields

Water & Environmental Testing Pharmaceutical Analysis Chemical Analysis Material Testing Food & Beverage University Research

📦 Standard Accessories

• Main unit

• Glass cuvettes 1 cm (4 pcs)

• Quartz cuvettes 1 cm (2 pcs)

• Power cable, fuses

• User manual

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🏆 Why Choose Us

1) Quick response within 24 hours on working days.

2) Selection guidance and application support for analytical laboratories.

3) Optional accessories: UV WIN8 software, thermal plotter, long-path cuvette holders.

4) Remote video installation and debugging support provided.

5) Manufactured by ISO 9001:2015 / ISO 14001-certified partner factories; parameters verified before shipment.

💬 Send your application requirements for selection guidance and quotation.

❓ Frequently Asked Questions (FAQ)

Q: What is the difference between single beam and double beam?
A: Double beam design splits the light into reference and sample paths, compensating for light source fluctuations and detector drift. It offers more stable baseline and better repeatability for long-running measurements.

Q: What cuvettes are included?
A: Standard package includes 4 pcs glass cuvettes (1 cm) and 2 pcs quartz cuvettes (1 cm). More cuvettes of various path lengths are available on request.

Q: Does it come with software?
A: The instrument runs on its 8-inch touch screen without PC. Optional UV WIN8 software is available for full-spectrum scanning, data processing and report generation on Windows PC.

Q: What is the minimum order quantity?
A: One unit.

Q: What is the lead time?
A: Approximately 30 days (factory lead time, excluding international shipping time). Exact time is confirmed at quotation according to configuration.

Q: What are your payment terms?
A: Payment is 100% T/T in advance.

Q: Do you provide installation support?
A: Yes. Remote video installation and debugging are provided. Engineers guide you online from unboxing to ignition testing.

Q: What is the warranty?
A: One year warranty. Lifetime technical support.

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🏭 About TAOMSUN

Suzhou TAOMSUN Scientific Instruments Co., Ltd. (TAOMSUN)was founded in 2012, led by a management team with master's degrees from Nagoya University, Japan, and over 20 years of industry experience. We specialize in analytical instruments, precision optical components, and laboratory consumables. Supported by a stable high-quality supply chain and ISO 9001:2015 / ISO 14001-certified partner factories, we provide selection guidance, drawing-based customization, and one-stop procurement services for research institutions and industrial enterprises.🌏 Overseas sales and technical support provided by METICULAB™ (Korea).

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TAOMSUN
UV-VIS Spectrophotometer
📧 Sales Inquiry
taomsun@vip.163.com
+86-13862625813
🌏 Overseas Sales / Tech Support
METICULAB™ (Korea)
choikyuc@gmail.com
+82-10-3988-4813
💬WhatsApp/ KakaoTalk

TAOMSUN L7 spectrophotometers are manufactured to specification by partner factories. Specifications are typical values and may vary with configuration.
For OEM/ODM customization or special requirements, please contact our sales team. Overseas customers may contact METICULAB (Korea) for Korean/English technical consultation.


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Contact us
  • Add: Building A, Renheng PARK, 1211 Xinghu Street, Suzhou Industrial Park
  • TEL: 13862625813
  • E-mail: taomsun@vip.163.com

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