This model is designed to measure freezing point of Propylene Glycol mixture . Checking the fluid will allow you to measure your solar antifreeze
Solar Glycol and Service Tools - Brochure
Handheld Propylene Glycol Mixture Refractometer - Manual
The refractometer will ensure that your solar installation is not going to freeze in winter. No more guessing!
- Range: -60 to 32⁰F (-50 to 0⁰C) for Propylene glycol freeze point; 0 to 60% Propylene glycol concentration
- Resolutions: 2.5⁰F (1⁰C) Propylene glycol freeze point / 1% Propylene glycol concentration
- Dimensions: 6.5×1.5×1.5” (165×38×38mm)
- Weight:7.0 oz. (200g)
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