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Appendix e: 1800 technical specifications – Sensaphone 1800 User Manual

Page 124

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Sensaphone

1800 Manual

122

APPENDIX E: 1800 Technical Specifications

Environmental Inputs

Number of Zones: 8

Zone Connector: terminal block

Zone Types: N.O./N.C. contact, 2.8K (-109° to 115° F; -85° to

57°C) and 10K thermistor (-87° to 168° F; -66° to 76°C), and
4–20mA (-10,000 to 10,000)

Zone characteristics: 10KΩ to 5V (temperature/contact) or 237

Ohms to ground (4–20mA)

A/D Converter Resolution: 10 bits ±2 LSB

Zone Protection: Gas discharge tubes, PTC fuses, and fast acting

diode clamps

Microphone

Internal: for recording custom voice messages

External (optional): For listening in to on-site sounds and high

sound level alarms

• Mic Connector: terminal block

• Mic Type: Electret Condenser

• Mic Impedance: 2.2K

Phone Interface

Terminals for connection to a two-wire analog telephone line

Line seizure

LED Indicators

: (8) Zone Alarms, Sound, Power, Battery OK,

Phone in Use, Output On, and System On

Relay Output

: 2A 120VAC/2A 24VDC—Programmable for

automatic or manual switching