Biophotometer, DNA/Protein test Back Catalog number: B-500* Availability: In the manufacturer's stock Price on request - + Recommended MA872 Digital refractometer MA872 Price on request NS1000-E SmartDrop™ L Nano Spectrophotometer, 230V Price on request NS1010-E SmartDrop™ X Nano Spectrophotometer, 230V Price on request