The STC-704 Wireless Environmental Monitoring System provides
off-site monitoring of four parameters, plus A.C. power
loss, daily communication test, low battery and "restore to
normal" conditions. Two web-controllable relays are included for interfacing to
on-site equipment where a 5 amp dry contact can be used. LEDs display
all power and input conditions.
equipment is contained in a weatherproof ABS enclosure
for outdoor or indoor mounting. There is a 3/4 and 1/2 inch conduit opening
in the enclosure to permit wire entry. A 16VAC plug-in transformer
to power the STC-704 and 7AH, 12 volt rechargeable battery are
supplied for backup power, providing continuous operation during
power failures up to 48 hours. An internal temperature compensated
power supply keeps the standby battery at optimum charge with
rapid, current limited and voltage float charging. A low battery
disconnect circuit removes the battery from the system on an extended
power outage to avoid deep discharging of the battery.
inputs are buffered through selectable one minute or one second delay to "Alarm"
and one minute or one second delay to "Normal". This eliminates the
momentary signals generated by power fluctuations, rapid photocell
operation and switchover transients. Each input can be selected
for N.C. or N.O. input for "Normal" condition.
Compression terminals are provided for all wiring. Any size wire,
up to 12ga, may be used for the power and monitored device connections.
Click here to view specifications.
- 4 zones plus power fail and low battery.
- Wireless reporting no phone line needed.
- Weatherproof Case
- Monitors 4 inputs plus power failure
- Daily Signal Check
- 2 remote controllable relays
STC 704 (2G based) $995
STC 704G (4G based) $1095.00