| 
					Model (Standard type) | 
				GK-NA-80N | GK-NA-80P | 
| 
					Model (RS232 type) | 
				
					GK-NA-80N-RS | 
				
					GK-NA-80P-RS | 
			
| Output | NPN×2 | PNP×2 | 
| 
					Principle | 
				
					Phru-beam | 
			|
| 
					Beam type | 
				
					Infrared light 940nm | 
			|
| 
					Detection limit(mm) | 
				
					80*80 | 
			|
| 
					Min detection size(mm) | 
				
					Φ1 | 
			|
| 
					Max switching frequency | 
				
					1KHz | 
			|
| 
					Response time | 
				
					<5ms | 
			|
| 
					Key functions | 
				
					Normally open/normally closed switch, self-learning function, Reset | 
			|
| 
					Communication | 
				
					 Object size upper and lower limit settings, input signal rise and fall edge confirmation duration; Output pulse width setting,Normally open/normally closed switch, self-learning function, Reset, Only communication models have this feature  | 
			|
| 
					Maximum output current | 
				
					100mA | 
			|
| 
					Output pulse duration | 
				
					1-100ms( set by RS232) | 
			|
| 
					Pilot lamp | 
				
					Red: Power indicator light; Green: Output 1; Yellow: Output 2 | 
			|
| 
					Short circuit protection | 
				
					yes | 
			|
| 
					Operating Voltage | 
				
					12-24V DC with polarity reverse protection | 
			|
| 
					No - load current consumption | 
				
					<20mA | 
			|
| 
					Service light intensity | 
				
					<5000Lux | 
			|
| 
					Ambient temperature | 
				
					Working:0 to +60℃ Storage:-20 to +80℃ | 
			|
| 
					Vibration impedance | 
				
					2 5 n g , r a n g e ±2 m m ( f = 1 0 . . . 5 5 H Z ) | 
			|
| 
					Impact resistance | 
				
					30ng Last 11ms | 
			|