Introduction
The VariRef Series Refractometer by SCHMIDT + HAENSCH represents the next generation of laboratory software process automation, combining over 150 years of experience with innovation.

Specifications

• Measuring Scales: Refractive Index (RI) and Sucrose (% Brix) are standard, with freely definable scales available. VariRef C includes USG.
• Measuring Range: Varies by model, with ranges from 1.2900 to 1.7000 RI and up to 100% Brix.
• Precision and Resolution: High precision and resolution, with repeatability as low as ± 0.000005 RI and ± 0.006% Brix.
• Temperature: Ambient temperature range is +10 °C to +40 °C, with a temperature measurement range of 5 °C to 100 °C depending on the model.
• Sample Volume: Minimum sample volume is 0.6 ml.
• Measurement Mode: Single sample or flow through measurement options available.
• Light Source: LED with interference filter at 589 nm.
• Display and Operation: 7” touchscreen with various operation methods including remote access.
• Interfaces: Includes Ethernet, RS232, USB, WLAN, and more.
• Conformity: Complies with international standards such as ASTM, AOAC, DIN, FDA, and others.
• Power and Dimensions: Power requirements are VAC 90-265; dimensions vary with or without display.

Highlights
The VariRef Series offers modularity, user-friendliness, fast temperature control, and easy cleaning. It features self-checking capabilities for cleanliness and environmental effects, making it virtually maintenance-free. It is 21 CFR Part 11 compliant and ready for ELN and LIMS integration.

Additional Features
The refractometer includes a flat, easy-to-clean sample room and offers various sample room doors for different materials. The double isolated peltier system ensures fast and precise temperature control, while the ATC (Ambient T-Control) accounts for ambient temperature variations.