| Gemological instrument is professionally designed for testing or identifying the gemstone. It is a good instrument to the professional practitioner or the student who are engaged in the gem industry. We have Gemological Refractometer , Spectroscope, Polariscope, Dichroscope, Chealse Filter, Gem Magnifier, Gem Gauge, Gem balance, Ultrasonic Cleaner etc…This compact measuring instrument is best suited for measuring the pH-values in many different solutions.Specification:Measurement Range: 0.0—14.0 pHResolution: 0.1 pHAccuracy: ±0.1 pHTemperature of Solution: 0℃ to 50℃(32℉ to 122℉) | 
