The Visible Spectrophotometer Economic (Model V-721) is a reliable, entry-level analytical instrument designed for routine laboratory applications. Built with a single beam optical system and 1200 lines/mm grating, it delivers accurate and stable performance across a wavelength range of 320–1020 nm, making it ideal for educational labs, basic research, and quality control testing. 

This model is specifically engineered for users who need simple operation, affordability, and dependable results, without the complexity of advanced spectrophotometers. Its compact design and straightforward interface make it one of the most practical choices for schools, colleges, and small laboratories

⚙️ Key Features

• ✅ Economic & Entry-Level Design
  Cost-effective solution for laboratories requiring basic spectrophotometric analysis. 

• ✅ Wide Wavelength Range (320–1020 nm)
  Suitable for most visible light applications including chemical analysis and water testing.

• ✅ Single Beam Optical System
  Provides high light throughput and reliable sensitivity with fewer optical components.

• ✅ Direct Measurement Modes
  Displays:

  • Absorbance (A)

  • Transmittance (%T)

  • Concentration (C) 

• ✅ Stable & Accurate Performance

  • Wavelength accuracy: ±2 nm

  • Photometric accuracy: ±1%T

  • Low stray light ≤0.3%T 

• ✅ User-Friendly Operation
  Simple controls and 4-digit LCD display allow quick setup and easy usage, even for beginners. 

• ✅ Durable & Compact Build
  Designed for long-term use in teaching labs and routine testing environments

STANDARD ACCESSORIES:
• Glass Cell 10mm
• Power Cord
• Instruction Manual

🎯 Why Choose This Economic Model?

• ✔ Affordable alternative to advanced spectrophotometers

• ✔ Ideal for beginners and teaching environments

• ✔ Simple, no-complexity operation

• ✔ Reliable for routine analysis tasks

👉 Entry-level spectrophotometers like this are widely used because they provide accurate absorbance measurement at low cost, making them essential in teaching and basic lab setups. 

❓  FAQs 

1. What is an economic visible spectrophotometer used for?

It is used for basic laboratory analysis such as measuring absorbance, transmittance, and concentration of chemical samples.

2. What is the wavelength range of this model?

The V-721 operates in the 320–1020 nm range, covering most visible spectrum applications. Labmart.in

3. Is this spectrophotometer suitable for educational labs?

Yes, it is specifically designed for schools, colleges, and training labs due to its simple operation and affordable price.

4. What parameters can it measure?

It measures:

• Absorbance (A)

• Transmittance (%T)

• Concentration (C) Labmart.in

5. What type of optical system does it use?

It uses a single beam optical system, which provides good sensitivity and simple operation. Lab-Training.com

6. Is this suitable for pharmaceutical labs?

It can be used for basic pharma testing, but advanced labs may require higher-end models with more features.

7. What is the accuracy of this spectrophotometer?

• Wavelength accuracy: ±2 nm

• Photometric accuracy: ±1%T Labmart.in

8. Does it support advanced features like data storage or USB?

No, this is a basic model, designed for simple measurements without advanced connectivity features.

9. What type of light source is used?

It uses a tungsten lamp, suitable for visible spectrum measurements. Labmart.in

10. Who should buy this spectrophotometer?

It is ideal for:

• Schools & colleges

• Small laboratories

• Budget-conscious buyers

• Basic testing environments