Description
| Operating principle | flow sensor | |
| Measurement principle | calorimetric | |
| Lubricant | oil (10–2000 mm²/s) | |
| Dosage volume | 0.01–0.6 cm³/pulse | 0.0006–0.03 in³/pulse |
| Clock frequency | max. 4 pulses/min | |
| Operating temperature | from +10 to +50 °C | from +50 to +122 °F |
| Working pressure | max 40 bar | 580 psi |
| Supply voltage | 24 VDC | |
| Residual pulsation | 10 % | |
| Operating range UA | 18–30 VDC | |
| Max. power consumption IE | 25 mA | |
| Pulse output | 3 s | |
| Load current IA | ||
| GS300 | max 10 mA | |
| GS304 | max 500 mA per output | |
| Exit protection | short circuit protection | |
| Built-in connector | Round connector with threaded plug M12×1 | |
| Liquid port | M8x1 mm, threaded channel for solderless connection with Ø 4 mm tube | |
| Installation position | immediately before the lubrication point | |
| Dimensions | 95 × 50 × 20 mm | 3.74 x 1.96 x 0.78 inches |
| Vibration resistance | 20 g (DIN / IEC 68-2-27, 10–2000 Hz) | |
| Impact resistance | 50 g (DIN / IEC 68-2-27, 11 ms) | |
| Part number | Switching function |
| GS300 | Contact 1 (BN - brown): + 24 V Pin 3 (BU - blue): 0 V Pin 4 (BK - Black): PNP / Normally Open - Closes when flow > 0 |
| GS304P | Contact 1 (BN - brown): + 24 V Contact 2 (WH - White): PNP / Normally Closed - Opens when flow > 0 Pin 3 (BU - blue): 0 V Pin 4 (BK - Black): PNP / Normally Open - Closes when flow > 0 |




