Derex, Inc.

Industrial Data Collection
Analysis and Control


Madison


Fluid Sensing Solutions

Hydrostatic Pressure Level Sensors:

Madison Clog-Free Liquid Pressure Level SensorPC4203-005-P025
Clog-Free Pressure Level Sensor0-5 PSI (0 - 11.5 ft WC)
  • Ideal for liquids with debris, sludge or small particles
  • 316 SS for temperature and corrosion resistance
  • Food processing, plating, petrochemical
  • -10°F to 175°F (-23°C to 79°C). Non-freezing liquids.
Madison Clog-Free Liquid Pressure Level SensorPC4203-010-P040
Clog-Free Pressure Level Sensor0-10 PSI ( 0 - 23 ft WC)
  • Ideal for liquids with debris, sludge or small particles
  • 316 SS for temperature and corrosion resistance
  • Food processing, plating, petrochemical
  • -10°F to 175°F (-23°C to 79°C). Non-freezing liquids.
Madison Clog-Free Liquid Pressure Level SensorPC4203-015-P050
Clog-Free Pressure Level Sensor0-15 PSI (0 - 34 ft WC)
  • Ideal for liquids with debris, sludge or small particles
  • 316 SS for temperature and corrosion resistance
  • Food processing, plating, petrochemical
  • -10°F to 175°F (-23°C to 79°C). Non-freezing liquids.
Madison Liquid Hydrostatic Pressure Level SensorPH4201-005-P025
Hydrostatic Pressure Level Sensor0-5 PSI (0 - 11.5 ft. WC)
  • Titanium housing resists chemicals and corrosion
  • Accurate measurement of liquids with debris or sludge
  • Wastwater, brackish water
  • -10°F to 175°F (-23°C to 79°C). Non-freezing liquids.
Madison Liquid Hydrostatic Pressure Level SensorPH4201-010-P040
Hydrostatic Pressure Level Sensor0-10 PSI (0 - 23 ft WC)
  • Titanium housing resists chemicals and corrosion
  • Accurate measurement of liquids with debris or sludge
  • Wastwater, brackish water
  • -10°F to 175°F (-23°C to 79°C). Non-freezing liquids.
Madison Liquid Hydrostatic Pressure Level SensorPH4201-015-P060
Hydrostatic Pressure Level Sensor0-15 PSI (0 - 34.5 ft WC)
  • Titanium housing resists chemicals and corrosion
  • Accurate measurement of liquids with debris or sludge
  • Wastwater, brackish water
  • -10°F to 175°F (-23°C to 79°C). Non-freezing liquids.
Madison Liquid Hydrostatic Pressure Level SensorPH4201-2.5-P025
Hydrostatic Pressure Level Sensor0-2.5 PSI (0 - 5.75 ft WC)
  • Titanium housing resists chemicals and corrosion
  • Accurate measurement of liquids with debris or sludge
  • Wastwater, brackish water
  • -10°F to 175°F (-23°C to 79°C). Non-freezing liquids.
Madison Liquid Hydrostatic Pressure Level SensorPC-CW2
Cage Weight for PC Series Pressure Level Sensor
  • Protective, weighted accessory for 1” diameter pressure sensors in fluids with a highpercent of sludge, debris or viscosity
  • 316 SS is frequently used where superior corrosion resistance is required

Hydrostatic Pressure Sensor Specifications

PC4203 Series Clog-Free Pressure Sensor Specifications
ModelAccuracyApprovalsInput
Voltage
Lead WiresMax. TempOutputPressure
Range
Sensing
Range
Type
PC4203-005-P025±0.25% of Full ScaleCE, FM (available by special request)10-35 VDC25’ Polyurethane Vented Cable-10°F to 175°F
Non-freezing liquids
4-20mA Loop Current0-5 PSI0-11.5 ft WCPressure Level Sensor
PC4203-010-P040±0.25% of Full ScaleCE, FM (available by special request)10-35 VDC40’ Polyurethane Vented Cable-10°F to 175°FNon-freezing liquids4-20mA Loop Current0-10 PSI0-23 ft WCPressure Level Sensor
PC4203-015-P050±0.25% of Full ScaleCE, FM (available by special request)10-35VDC50’ Polyurethane Vented Cable-10°F to 175°FNon-freezing liquids4-20mA Loop Current0-15 PSI0-34.5 ft WCPressure LevelSensor
PH4201 Series Hydrostatic Pressure Sensors
PH4201-005-P025±0.25% of Full ScaleCE, FM (available by special request)10-35 VDC25’ Polyurethane Vented Cable-10°F to 175°F Non-freezing liquids4-20mA Loop Current0-5 PSI0-11.5 ft WCPressure Level Sensor
PH4201-010-P040±0.25% of Full ScaleCE, FM (available by special request)10-35 VDC25’ Polyurethane Vented Cable-10°F to 175°F Non-freezing liquids4-20mA Loop Current0-10 PSI0-23 ft WCPressure Level Sensor
PH4201-015-P060±0.25% of Full ScaleCE, FM (available by special request)10-35 VDC60’ Polyurethane Vented Cable-10°F to 175°F Non-freezing liquids4-20mA Loop Current0-15 PSI0-34.5 ft WCPressure Level Sensor
PH4201-2.5-P025±0.25% of Full ScaleCE, FM (available by special request)10-35 VDC25’ Polyurethane Vented Cable-10°F to 175°F Non-freezing liquids4-20mA Loop Current0-2.5 PSI0-5.75 ft WCPressure Level Sensor
Protection Techniques and Common Failure Modes
LoadLoad ExampleProtectionDiagramCommon Failure ModesFailure Mode Description
Resistive (DC)Indicator Lamp, HeatersCurrent Limiting ResistorIn-rush Current (Switching)In-rush current exceeds rating and welds switch closed
Over-Current (Carry)Carry-current exceeds rating and switch welds or burns open like a fuse
Inductive & Capacitative (DC)Relay Coil, Solenoids, MotorReversing DiodeOver-Voltage (Arcing)Voltage arcing during switching weldscontacts closed
Inductive & Capacitive (AC or DC)Resistor & Capacitor Network
Resistive, Inductive & Capacitive (AC or DC)Indicator Lamp, Heaters, Relay Coil, Solenoids, MotorVaristor or MOVOver-Voltage (Arcing)Transients voltage spikes exceed breadown voltage and weld switch closed
©2017 Derex, Inc. PO Box 2983, San Rafael, Ca. 94912, USA Phone: (415) 454-3729, Fax (415) 329-2420 Email: info@derex.com