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The VALUE COLLECTION SC71553838 is a replacement daylight plate designed for use with refractometer coolant testers. The daylight plate is the optical component that allows ambient light to illuminate the sample prism, enabling accurate refractive index readings on the refractometer scale. This part restores full functionality to a refractometer unit when the original plate is damaged, scratched, or lost. HVAC technicians and service professionals who rely on refractometers for coolant concentration testing will find this a straightforward maintenance component to keep on hand.
This replacement daylight plate is intended for coolant tester refractometers used in service environments where antifreeze or coolant concentration must be verified. It is a compact, low-profile component suited for bench or field repair of existing refractometer instruments. Installation requires no special tools and is typically performed by the end user or service technician maintaining their diagnostic equipment.
Designed as an OEM-style replacement daylight plate for refractometer coolant tester instruments.
Installation of a replacement daylight plate should be performed by a qualified technician familiar with the refractometer instrument being serviced. Handle the optical plate carefully to avoid fingerprints or scratches on the surface, as contamination will affect reading accuracy. Ensure the refractometer is clean and dry before fitting the new plate. Verify calibration of the instrument after replacement using a known reference solution.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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