| specifications︰ | The RHA are designed for testing for concentration of the battery fluids and antifreeze liquid. With the indication of the percentage you may know at which temperature the fluid will be froze for both propylene glycol and ethylene glycol. It can also be used for checking the strength of electrolyte solution battery .
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| Advantages︰ | Huake Optics maintains this leadership position of refractometers because the products are all we do . These products aren't just a catalog item or sideline business for ,Huake Optics they are Huake Optics' own business. That's what makes us unique be able to offer these optical instrument with very competitive price, high quality and best service during and after sales.
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