Lugar de origem
Guangdong, China
Tipo das ferramentas & de equipamentos da jóia
Medição e testes
Feature 1
Automatic and manual mode
Feature 2
Linear display for increased information
Feature 3
Adjustable gain for small stone sizes
Feature 4
Compensation for ambient temperature
Feature 5
Fast warm up time
Feature 7
Portable with one nine-volt battery (included)
Feature 8
Auto shut-off with a push button switch