Compared to the ZSE20, the ZSE20AF adds a 2nd switch output, as well as an analog output, either voltage or current.  ZSE20A is vacuum rated, while the ZSE20AF is rated for vacuum and a low positive pressure range.  Each model in the ZSE20 family offers a 2-screen, 3-color display.  The main screen shows the current measured numeric value in orange. 

Compared to the ZSE20, the ZSE20AF adds a 2nd switch output, as well as an analog output, either voltage or current.  ZSE20A is vacuum rated, while the ZSE20AF is rated for vacuum and a low positive pressure range.  Each model in the ZSE20 family offers a 2-screen, 3-color display.  The main screen shows the current measured numeric value in orange. 

Precision Regulator

Year Month T : 2015 o: January U : 2016 P: February V : 2017 Q: March W: 2018 R: April X : 2019 Z: December -7- 5. Precautions for handling Fluid Warning (1) The operating fluids must be compressed air.

Rated Vacuum Range: F (-100 to 100 kPa), Output Specification: V (PNP Open Collector 2 Outputs + Analog Current Output), Unit Specification: Unit Selection Function, Switches w/Unit Selection not Permitted for Use in Japan, Piping Specification: N01 (NPT 1/8)

Rated Vacuum Range: -100 to 100 kPa, Output Specification: PNP Open Collector 2 Outputs + Analog Current Output, Unit Specification: Unit Selection Function, Switches w/Unit Selection not Permitted for Use in Japan, Piping Specification: NPT 1/8, Lead Wire: -, Bracket: -, Operation Manual: -

Rated Vacuum Range: F (-100 to 100 kPa), Output Specification: X (NPN Open Collector 2 Outputs + Copy Function), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: C6H (ø6 One-touch Fitting, Straight Type), Lead Wire: J (Lead Wire w/Connector, 5-core, 2 m Lead Wire), Bracket: A2 (Bracket B, Horizontal Mounting)

Rated Vacuum Range: F (-100 to 100 kPa), Output Specification: T (PNP Open Collector 2 Outputs + Analog Voltage Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: C4L (ø4 One-touch Fitting, Elbow Type), Lead Wire: J (Lead Wire w/Connector, 5-core, 2 m Lead Wire), Bracket: A2 (Bracket B, Horizontal Mounting)

Rated Vacuum Range: F (-100 to 100 kPa), Output Specification: T (PNP Open Collector 2 Outputs + Analog Voltage Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: M5 (Female Thread), Lead Wire: J (Lead Wire w/Connector, 5-core, 2 m Lead Wire), Bracket: A2 (Bracket B, Horizontal Mounting)

Rated Vacuum Range: F (-100 to 100 kPa), Output Specification: S (NPN Open Collector 2 Outputs + Analog Current Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: N7L (ø1/4" One-touch Fitting, Elbow Type), Lead Wire: J (Lead Wire w/Connector, 5-core, 2 m Lead Wire), Bracket: A2 (Bracket B, Horizontal Mounting)

Rated Vacuum Range: F (-100 to 100 kPa), Output Specification: R (NPN Open Collector 2 Outputs + Analog Voltage Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: M5 (Female Thread), Lead Wire: J (Lead Wire w/Connector, 5-core, 2 m Lead Wire), Bracket: A2 (Bracket B, Horizontal Mounting)

Rated Vacuum Range: -100 to 100 kPa, Output Specification: PNP Open Collector 2 Outputs + Analog Voltage Output, Unit Specification: Unit Selection Function, Initial value psi, Piping Specification: ø4 One-touch Fitting, Elbow Type, Lead Wire: Lead Wire w/Connector, 5-core, 2 m Lead Wire, Bracket: Bracket B, Horizontal Mounting, Operation Manual: -

Rated Vacuum Range: -100 to 100 kPa, Output Specification: PNP Open Collector 2 Outputs + Analog Voltage Output, Unit Specification: Unit Selection Function, Initial value psi, Piping Specification: Female Thread, Lead Wire: Lead Wire w/Connector, 5-core, 2 m Lead Wire, Bracket: Bracket B, Horizontal Mounting, Operation Manual: -

Rated Vacuum Range: -100 to 100 kPa, Output Specification: NPN Open Collector 2 Outputs + Analog Current Output, Unit Specification: Unit Selection Function, Initial value psi, Piping Specification: ø1/4" One-touch Fitting, Elbow Type, Lead Wire: Lead Wire w/Connector, 5-core, 2 m Lead Wire, Bracket: Bracket B, Horizontal Mounting, Operation Manual: -

This is a legacy product, and replaced byISE20A-Y-01-JA2, SWITCH ASSEMBLY, INSTRUMENTATION, ISE30/ISE30A PRESSURE SWITCH, CA, ISE30 1/8 INCH PT VERSION, .44092 lb, ModelRated pressure rangeSet pressure rangeWithstand pressureMinimum unit settingApplicable fluidPower supply voltageCurrent consumptionSwitch output--RepeatabilityHystere- sisAnalog outputDisplayDisplay accuracyIndicator

Rated Vacuum Range: -101 to 0 kPa, Output Specification: V (PNP Open Collector 2 Outputs + Analog Current Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: N01 (NPT 1/8), Connector Type: S (M12 Connector Type)

Rated Vacuum Range: F (-100 to 100 kPa), Output Specification: V (PNP Open Collector 2 Outputs + Analog Current Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: N01 (NPT 1/8), Lead Wire: W (Lead Wire w/Connector, 5-core, 2 m Lead Wire, Waterproof), Bracket: B (Panel Mount Adapter)

Rated Vacuum Range: -101 to 0 kPa, Output Specification: V (PNP Open Collector 2 Outputs + Analog Current Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: N01 (NPT 1/8), Lead Wire: J (Lead Wire w/Connector, 5-core, 2 m Lead Wire), Bracket: B (Panel Mount Adapter)

Rated Vacuum Range: -101 to 0 kPa, Output Specification: V (PNP Open Collector 2 Outputs + Analog Current Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: N01 (NPT 1/8), Lead Wire: J (Lead Wire w/Connector, 5-core, 2 m Lead Wire), Bracket: A1 (Bracket A, Vertical Mounting)

Rated Vacuum Range: -101 to 0 kPa, Output Specification: V (PNP Open Collector 2 Outputs + Analog Current Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: N01 (NPT 1/8)

Rated Vacuum Range: -101 to 0 kPa, Output Specification: V (PNP Open Collector 2 Outputs + Analog Current Output), Unit Specification: P (Unit Selection Function, Initial value psi), Piping Specification: N01 (NPT 1/8), Lead Wire: J (Lead Wire w/Connector, 5-core, 2 m Lead Wire)