The Pantron ISG-N family is designed for dependable single-channel optical sensing where manual adjustment, strong signal performance, and resistance to dust and contamination matter. The series combines manual sensitivity tuning with rugged output and control options, allowing designers to select from relay-output, transistor-output, timer-equipped, alarm-capable, and sensor-control variants to match the application.
The ISG-N range gives machine builders and maintenance teams a flexible manual amplifier platform for challenging sensing points. At the entry level, the series starts with a cost-conscious single-channel unit, then expands into models with multiple output options, test input, switching delay, alarm signaling, and sensor-control functionality. This makes the family suitable for installations that need stronger optical performance than conventional photoelectric devices while still keeping commissioning straightforward.
Except for the ISG-N14, all manual amplifiers in the series provide two transmit power levels and four selectable transmit frequencies. That added configurability helps improve performance in installations where contamination, ambient interference, or machine-specific optical conditions would otherwise compromise detection stability.
| Model | Sensor Control | Relay Output | Transistor Output | Switching Delay | Alarm Output | Test Input |
|---|---|---|---|---|---|---|
| ISG-N14 | — | ✓ | — | — | — | — |
| ISG-N24 | — | ✓ | NPN / PNP | — | — | ✓ |
| ISG-N27 | — | ✓ | NPN / PNP | — | ✓ | — |
| ISG-N34 | — | ✓ | NPN / PNP | ✓ | — | ✓ |
| ISG-N37 | — | ✓ | NPN / PNP | ✓ | ✓ | — |
| ISG-N127 | ✓ | — | NPN / PNP | — | ✓ | — |
| ISG-N128 | ✓ | ✓ | NPN | — | ✓ | — |
| ISG-N137 | ✓ | — | NPN / PNP | ✓ | ✓ | — |
| ISG-N138 | ✓ | ✓ | NPN | ✓ | ✓ | — |
Low-cost single-channel opto sensor with manual sensitivity setting for straightforward relay-output sensing tasks.
Manual single-channel model with two transmit levels, four frequencies, relay output, transistor output, and test input.
Single-channel unit with manual sensitivity setting, selectable power and frequency, and integrated alarm output.
Timer-equipped relay-output variant with transistor output support and test input for more controlled switching behavior.
Timer-enabled model that combines relay output, transistor output options, and alarm signaling for demanding applications.
Sensor-control version with transistor output and alarm output for installations that need external coordination and diagnostics.
Sensor-control model with relay output, NPN transistor output, and alarm functionality for feature-rich single-channel sensing.
Sensor-control and timer variant with transistor output and alarm output for applications that need more switching flexibility.
Relay-output sensor-control version with timer and alarm capability for advanced single-channel optical sensing duties.
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