The Hand Refractometer (Erma Japan Make) Ranges from AGN Enterprises is a portable optical instrument designed for measuring the concentration of solutions through refractive index analysis. The unit features a built-in Amici prism and a special light-reflection system designed to reduce colour effects and provide a sharp critical boundary line with good contrast. AGN Enterprises lists this product under Model No. AGN-1640, with an accuracy of 2%.
The available ranges listed by AGN Enterprises are 0–32%, 28–62%, and 58–92%.
| Ranges | |
| a) | 0 to 32% |
| b) | 28 to 62% |
| c) | 58 to 92% |
The Erma Japan Make Hand Refractometer offers a compact and convenient arrangement for routine concentration measurements. Moreover, its optical prism system allows users to obtain a clear boundary line for taking readings. Different measurement ranges make the instrument suitable for applications requiring different concentration scales.
Other Erma-type hand refractometers are also available in ranges such as 0–10%, 0–18%, 0–55%, 45–82%, 0–80%, and 0–90%, depending on the model.
The hand refractometer can be used for concentration and quality-control measurements in laboratories and industrial applications. In addition, handheld refractometers are commonly used for measuring soluble solids and concentration in food, agricultural, pharmaceutical, and industrial fluids.
AGN Enterprises supplies the Hand Refractometer (Erma Japan Make) Ranges for educational, laboratory, and industrial applications. The compact design, multiple available ranges, and optical measurement principle make it suitable for convenient routine testing. Furthermore, AGN Enterprises provides competitive pricing, customization options, prompt delivery, and technical support.
