选项说明:
(1)
Temperature/Process Meter 选项:DP551A-TC for Single-input J/K/E/T/R/S/N Themocouples
DP556A-TC for Six-input J/K/E/T/R/S/N Themocouples
DP551-RTD for Single-input RTD meter
DP556-RTD for Six-input RTD meter
DP551-MA for Single-input 4 to 20 mA meter
DP556-MA for Six-input 4 to 20mA meter
DP551-MV for Single-input 0 to 100 mV scalable
DP556-MV for Six-input 0 to 100 mV scalable
DP551-TH for Single-input thermistor
DP556-TH for Six-input thermistor
(2)
Options 选项:无(选项为空白) for Standard Unit
-ALM for Alarm relay
-BATT for Rechargeable battery pack power
-ALM-BATT for Alarm relay and rechargeable battery pack power
(3)
Power Supply Options 选项:无(选项为空白) for Standard Unit
-9-30 for 9 to 30Vac/dc power
-230 for 230 Vac power
(4)
Communications Option 选项:无(选项为空白) for Standard Unit
-C2 for RS-232 communications
注: 并非所有组合都有效,请查阅规格表上的有效产品编号。