Foxboro 40P & 40M Large Case Recorder and Recorder-Controller

INPUTS:
Receiver (3-15 PSI)
Gauge Pressure
Differential Pressure (T37 Meter)
Electronic Servo
Filled Thermal Capillary System
Diaphragm (Inches of Water)

OUTPUT: 3-15 PSI (Controller Only)

CONTROLLER ACTION:
Increase-Decrease or Increase-Increase
Single Action Control with
On-Off
Proportional Only
Proportional and Reset (P & I)
Proportional and Reset plus Derivative (P I & D).

RECORDER CHART DRIVES: Electrical, Mechanical or Battery

MOUNTING: Flush, Pipe, Surface
or Yoke (T37 Meter Only)

OPTIONS: 2 Position Auto/Manual Switch
Auto/Manual Bumpless Transfer Switch
Dual Control Action (Left Hand Control Unit)
Integrally Mounted Totalizer, Pneumatic Set Point, Ratio Control,
External Set Point Knob, Remote Diaphragm Seals with Capillary Fill Systems,
External Connection to Integral Bellows, Various Pen Types

STANDARD ACCESSORIES: Fiber-Tip Disposable Pens and Tag

The 40P is constructed of glass-fiber reinforced polyester.
The 40M is constructed of aluminum and coated with a corrosion-resistant enamel paint.
Records from 1 to 4 Process Variables