Overview
Our fast, accurate digital tester performs three critical tests on the engine coolant:
Fire Sprinkler Systems: Our tester can be used to measure the concentration of antifreeze formulation in wet fire sprinkler systems.

Specifications
| Catalog Number | 13940027 |
| Measurement Method | Digital Refractometer |
| Reading Scales | PG Freeze Point, Boiling Point, Percent Concentration |
| % Concentration Range/ Accuracy |
0 to 95% 0.2% |
| Freeze Point Range (C) | 0 to -51 deg C |
| Accuracy (C) | 0.6 deg C |
| Boiling Point Range (C) | 117 to 174 deg C |
| Accuracy (C) | 0.6 deg C |
| Automatic Temperature Compensation | 20 deg C |
| Illumination | 589nm LED |
| Calibration | Distilled Water |
| Ratings and Compliance | IP65 Dustproof/Water Resistant, CE, RoHS, and WEEE Compliant |
| Dimensions | 54 x 27 x 100 mm / 2.1 x 1.1 x 3.9 inches |
| Weight | 100 grams / 3.5 ounces |
| Comfort/Ergonomics | Detachable neck lanyard and rubber side grips for ease of handling |
| Power | 2 AAA Batteries, included |
| Power Management | 10,000 readings, Auto-Off Sleep Mode |
| Factory Warranty | One Year |
| Accessory Holder Case | Catalog 13941000 (cell phone type available) |
Application
Get dependable digital accuracy in a three-in-one tool!
Our fast, accurate digital tester performs three critical tests on the engine coolant:
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Standards