JMD Pantometer is a densitometer which is a battery-operated handheld unit used for measuring the transmitted density of X Ray film. The Pantometer has a white illumination range of 10,000cd/m2 to 50,000cd/m2 and has been calibrated to achieve optimum accuracy and stability for reading density. The battery can be charged with a standard USB charger which ensures an operating time of up to 10 hrs.