- Simple setting
- Energy saving
- Improved drainage resistance
- Easy maintenance
Series image. Appearance may vary by model and options.ISA3
ISA3, 3-Colour Display, Digital Gap Checker
Explore the features, model options and technical documentation for ISA3. Contact Pnoneks to select the full part number for your application.
Request a quote for your application.
Share your part number and quantity so we can confirm pricing and lead time.
Selecting ISA3
Selecting ISA3: review the full part number and your system conditions when considering this Sensors & switches record. Share Rated Distance Range, Piping Specifications, Output Specifications, Unit Specification, Stations, Cable Option, Bracket Option, Control Unit, 2 Port Solenoid Valve Rated Voltage, the required quantity and your application notes with Pnoneks. Final compatibility and lead time are confirmed during quotation.
The essentials for selection.
- Manufacturer
- SMC
- Series
- ISA3
- Product group
- Sensors & switches
- Function
- Pressure Sensors
- Applications
- Suitability is evaluated against technical specifications and application conditions.
- Selection parameters
- Rated Distance Range, Piping Specifications, Output Specifications, Unit Specification, Stations, Cable Option, Bracket Option, Control Unit, 2 Port Solenoid Valve Rated Voltage
Exact dimensions, operating ranges and compatibility depend on the full part number. Review the relevant SMC documentation and application conditions for technical selection.
Features and model options
Technical descriptions and values below are preserved in the manufacturer’s original language. Options describe alternatives within the series; not every combination is valid. We will verify the full part number when quoting.
| Parameter | Options / values |
|---|---|
| Rated Distance Range | F (0.01 to 0.03 mm) · G (0.02 to 0.15 mm) · H (0.05 to 0.30 mm) |
| Piping Specifications | C (Supply Side: Rc 1/8, Detection Side: ø6 One-touch Fitting or ø4 One-touch Fitting in case of Rated Distance Range 0.01 to 0.03 mm) · F (Supply Side: G 1/8, Detection Side: G 1/8) |
| Output Specifications | N (NPN, 1 Output) · P (PNP, 1 Output) · A (NPN, 2 Outputs) · B (PNP, 2 Outputs) |
| Unit Specification | w/Unit Conversion Function · M (Fixed SI Unit) |
| Stations | 1 · 2 · 3 · 4 · 5 · 6 |
| Cable Option | Straight · L (Right Angle) · N (None) · S (Centralised Lead Wire, Lead Wire Only) · T (Centralised Lead Wired, w/Bracket) |
| Bracket Option | None (DIN Rail Mounting) · B (Bracket) |
| Control Unit | w/o Control Unit · LN (w/Control Unit, Supply Port: Left Side, Without Regulator) · RN (w/Control Unit, Supply Port: Right Side, Without Regulator) · L1 (w/Control Unit, Supply Port: Left Side, With regulator, Round type pressure gauge) · L2 (w/Control Unit, Supply Port: Left Side, With regulator, Square embedded type pressure gauge) · R1 (w/Control Unit, Supply Port: Right Side, With regulator, Round type pressure gauge) · R2 (w/Control Unit, Supply Port: Right Side, With regulator, Square embedded type pressure gauge) |
| 2 Port Solenoid Valve Rated Voltage | 24 VDC (or None) · 1 (100 V AC) · 2 (110 V AC) |
More products to explore.

Cylinder auto switch
Explore product ↗
Digital pressure switch
Explore product ↗
Condensation Checker – PSH
Explore product ↗