Instrumentation
Temperature Switches (Thermostats)
Bi-Metal Air Temperaure Switch      M-51  Immersion Temperature Control    FM
Double Adjustable, Heavy Duty,  Visible Setpoint Adjustment,Adjustable 
Automatic Reset. Designed for use as  Deadband. Compact and low cost, 
a limit switch, fan control, or alarm  FM employs a bimetal element inside 
switch, Model M-51 is used on all  an immersion well. Instrument is 
types of air conditioning ducts,  detachable from the well, allowing 
furnaces, ovens, dryers,etc. Unit may  maintenance without draining system. 
also be used with damper control  Visible calibrated dial reduces "start 
system to prevent spread of fire  up" time and speeds set point 
through ducts.  changing. 
Temperature Switch             DA-7035N  Temperature/Humidity Switch       THC
Bulb and Capillary, Inert Gas Fill.
Independent Displays, 4 SPST Relays,
DA-7035N include the same time- 61 Programmable Parameters.
proven switching mechanism used in  The THC Temperature/Humidity Switch 
Pressure Switches. Bourdon tube  accepts up to two temperature probe 
assures high sensitivity and long life.  inputs(sold separately) and a humidity 
Fully adjustable deadband makes units  sensor. A humidity sensor with 0-1V, 
suitable for a wide range of control  0-3V (sold separately), or 4-20 mA 
applications.Visible,calibrated dial and  output can be used with  THC.
external adjustments  Equipped with 4 independent relays.