Vernier caliper

This meter can test pH,mV and temperature in water solution,it is suitable used in lab for those units from industrial and mining enterprises,university and scientific research organ etc.
There is a microprocessor chip inside the meter and the appearance of meter looks nice with easily operation.For notable features read as follows:
1)Large LCD with white background can display both pH and temperature value a the same time.
2)It has intelligent functions for automatic calibration,automatic temperature compensation,data storage/recall,memory max. and min. value etc.
3)Automatically display the percentage of slope after finishing calibration.
4)ºC and ºF can be switched freely.
5)Equipped with Model 600 electrode holder and calibration buffer solution,which is more convenient to use.

The Clinical Lite professional stethoscope is a classic dual head stethoscope that is extremely light weight and affordable. The anodized aluminum dual head has a fiberglass diaphragm to optimally detect S1 and S2 heart sounds as well as Korotkoff sounds, while the bell side is optimally designed for assessing S3 and S4 heart sounds. The Clinical Lite professional stethoscope incorporates a snap-on diaphragm retaining ring and a non-chill bell ring providing the ease of use and maintenance, while enhancing patient comfort.