Sensaphone 1104 & 1008	Sensaphone 4100	Sensaphone Express	Sensaphone Express II	Sensaphone 2000	SCADA 3000
Alarm Inputs:	4 or 8 Dry Contact or Temperature	4 Dry Contact, 1 Temperature	4 Dry Contact, 1 Temperature	8 Universal Expandable to 40	8 Universal	16 - 144 I/O Points
Sound Monitoring:	Yes	Yes	No	Yes	No	64 Custom alarms
Power Monitoring:	Yes	Yes	Yes	Yes	Yes	No
Outputs:	No	1 Digital	1 Relay	1 Relay (Expandable)	No	Yes
I/O Expansion:	No	No	No	Yes	No	Yes, via Modules
Temp Sensing Range (°F):	-20° to 150°	-20° to 150°	-60° to 175°	-85° to 300°*	-58° to 176°	-454° to 2912° (Thermocouple)
Voice Alarm Messages:	Yes	Yes	Yes	Yes	Yes	Yes (Board Option)
Programmable Voice:	No	No	Yes	Yes	Yes	Yes (Board Option)
Built In Modem:	No	No	No	No	Yes	Yes (Card Option)
Fax Reporting:	No	No	No	No	Yes	Yes
E-mail Reporting:	No	No	No	No	Yes	Yes
Alphamumeric Pager:	No	No	No	No	Yes	Yes
Numeric Pager:	Yes	Yes	Yes	Yes	Yes	Yes
Web Page Reporting:	No	No	No	No	No	Yes
Dialout Phone Numbers:	4 or 8	4	8	48	32	64 or 32 option
Max Phone Digits:	32	32	32	40	36	64
Programming:
Local Keypad:	Yes	Yes	Yes	Yes	No	Yes
LCD:	No	No	No	Yes	N/A	Yes
PC Direct Connect:	No	No	No	No	Yes	Yes
Remote Touch-Tone:	No	No	No	Yes	No	Yes (Status)
Remote Data:	No	No	No	No	Yes	Yes
Data Logging:	No	No	No	Yes (via printer)	Yes	Yes
Ladder Program/ C Program/ PID Control:	No	No	No	No	No	Yes
Battery Backup Time:	24 hours	22 hours	12 hours	6 - 12 hours	10 - 15 hours	36 hours (base unit)
Nonvolatile Memory:	Yes	Yes	Yes	Yes	Yes	Yes
Enclosure:	Plastic	NEMA-1	NEMA-4X	NEMA-4X	Aluminum	Aluminum
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