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MST660	MST663	MST665
Product No. 1660-1002	Product No. 1663-1102	Product No. 1665-1202

easily configured from PC by HTTemp-2.06E	easily configured from PC by HTTemp-2.06E	easily configured from PC by HTTemp-2.06E or via standard HART® handheld device
4mA…20mA Output signal	4mA…20mA Output signal	4mA…20mA + HART®
Universal sensor input: RTD, Thermocouple, Ω, mV	Universal sensor input: RTD, Thermocouple, Ω, mV	Universal sensor input: RTD, Thermocouple, Ω, mV
2W/3W/4W	2W/3W/4W	2W/3W/4W
Accuracy: 0.02% FS, RTD 0.1%FS, Thermocouple Long-term stability 0.05% per year	Accuracy: 0.02% FS, RTD 0.1%FS, Thermocouple Long-term stability 0.05% per year	Accuracy: 0.02% FS, RTD 0.1%FS, Thermocouple Long-term stability 0.05% per year
communication via Musen HART® Modems	communication via Musen HART® Modems or Muesen USB Modem	communication via Musen HART® Modems or standard HART® handheld device
–	built-in 2000 VAC galvanic isolation	built-in 2000 VAC galvanic isolation
factory preset: PT100/3W/0…100℃ (can be configured as required)	factory preset: PT100/3W/0…100℃ (can be configured as required)	factory preset: PT100/3W/0…100℃ (can be configured as required)
Manual & Certificate	Manual & Certificate	Manual & Certificate