DUCT
HUMIDISTAT 930633 30-100% RH Duct Mount sensor probe ON/OFF single-stage control of humidifiers,
dehumidifiers, fans, heaters, valves, solenoids, Applications:
clean rooms, food production, sterilization processes,
greenhouses.
930661
Small Sealed Water Detector
Electronic control relay for detecting a rising water
level, it has a medium power relay inside its waterproof
enclosure, which operated by water reaching the trip
level, and can be used to control alarms or other
equipment
Specifications
93S222
0.05" W.C. to 12.0" W.C. (12.5 to 2989 Pa)
Low
differential air pressure switches
Switches sense pressure, vacuum or differential pressure in
applications including fan status, pump status, dirty filter monitoring, or
frost build-up on coils.
$59.99
930650 Sealed
Mechanical float switch The switch can be installed
by tie-wrapping it to a support structure or by adding
an external weight to the cable. SPDT contacts are
included so the unit can be used to empty or fill a tank
or sump. SPDT mechanical switch, 10A contacts rated for
1/4 hp. Float suitable for sewage and high temperature
P10 Pressure Switches
3-20 psig (21-138 kPa) The common terminal is red. The
red-to-yellow terminals close an electrical circuit on a rise in
pressure; the red-to-blue terminals close a circuit on a drop in
pressure. 1/8" NPT with 1/4" barb