

📈 Measure Like a Pro, Move Like a Boss
The Atago 4491(PAL-91S) Digital Pocket Ethylene Glycol Refractometer delivers precise, rapid measurements of glycol concentration and freezing points with 0.2% resolution and ±1°C temperature accuracy. Featuring a clear 3-digit LCD, automatic temperature compensation, and simple one-touch calibration, this compact, battery-powered tool is essential for professionals managing industrial fluids and coolants.
| Manufacturer | Cole-Parmer |
| Part number | 4491(PAL-91S) |
| Item Weight | 220 g |
| Package Dimensions | 15.3 x 10 x 6.8 cm; 220 g |
| Item model number | 4491(PAL-91S) |
| Item Package Quantity | 1 |
| Measurement System | US |
| Batteries Required? | No |
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