| Monitor | 11P-LINK | 11P-LINK-4 | 
		
			| Detector Types | Thermopiles, Photo Detectors | Thermopiles, Photo Detectors | 
		
			| Channels / Display | 1-Channel / PC-Based | 4-Channel / PC-Based | 
		
			| POWER METER SPECIFICATIONS | 
		
			| Power Range | 
		
			| Thermopile | 3 µW to 30 kW | 3 µW to 30 kW | 
		
			| Photo Detector | 1 pW to 3 W | 1 pW to 3 W | 
		
			| Monitor Accuracy | ±0.5 % full scale | ±0.5 % full scale | 
		
			| Statistics | a Current Value, Max, Min, Average, Std Dev., RMS & PTP Stability, Time | b Current Value, Max, Min, Average, Std Dev.,RMS & PTP Stability, Time | 
		
			| DETECTOR COMPATIBILITY | 
		
			| Thermopile | Average Power & Single Shot Energy | Average Power | 
		
			| Photo Detector | Average Power (mW, dBm) | Average Power (mW) | 
		
			| GENERAL SPECIFICATIONS | 
		
			| Number of Channels | 1 | 4 | 
		
			| Digital Display | Computer Screen | Computer Screen | 
		
			| Data Display | a Real Time, Histogram, Statistics, Digital Tuning Needle | b Real Time, Graphic, Statistics, High/Low Alarm, Post-Analysis Mode, Multi-Channel | 
		
			| Analog Output | 0 - 2 Volt, Adjustable, Full Scale, ±1 % | N/A | 
		
			| Serial Commands and Data Transfer | Via USB (standard) or RS-232 (option) | USB (standard) or Ethernet (option) | 
		
			| Real Time Data Transfer Rate | 10 Hz | 10 Hz | 
		
			| Dimensions | 57W x 26H x 91D mm | 286W x 233H x 43D mm | 
		
			| Weight | 0.12 kg | 2.5 kg | 
		
			| External Power Supply (RS-232 and Ethernet versions only)
 | 100/240 VAC 50-60 Hz to 12 VDC 200 mA | 100/240 VAC 50-60 Hz to 9-12 VDC 100 mA |