It has a long life span, standard battery can work for 3-8 years, determined by the excitation current.
Dual power supply: it’s equipped with external power supply interface, which can be powered by external 12- 24VDC power supply, enabling users to have a variety of power options.
Multiple work mode: QTLD/D has ‘Flow Only’ mode, ‘Flow + Pressure’ mode, ‘Flow +Temperature’ mode for users.
Multiple network interfaces: QTLD/D has GPRS, RS485, HART and other network communication for users.
3.6V lithium battery can be changed if its used up.