| Name | Circle Marker Infrared Thermometer | Dual Point Laser Infrared Thermometer | 
        
            | Cat. No. | 8213-00 | 8214-00 | 
        
            | Model | SK-8130 | SK-8140 | 
        
            | Measuring Range | -50 to 500°C | 
        
            | Accuracy (emissivity: 0.95 in 18 to 28°C)
 | ±1% rdg. at above 200°C ±2°C at 1 to 199°C
 ±5°C at below 0°C
 | 
        
            | Temperature Drift (emissivity: 0.95)
 | less than ±0.1%/°C rdg. at above 200°C ±0.2°C /°C at below 200°C
 | 
        
            | Repeatability | less than 1°C at above 30°C (emissivity at 0.95 in 18 to 28°C) | 
        
            | Response Time | approx. 1.5 second (90% response) | 
        
            | Emissivity | Adjustable from 0.10 to 1.00 in 0.01 steps | 
        
            | Distance Coefficient | D:S = approx. 15:1 (D: distance, S: spot size) | Measuring distance: approx. 27mm Spot size: ø2.5mm | 
        
            | Detector | Thermopile | 
        
            | Wavelength | 8 to 14μm | 
        
            | Targeting System | Circle Laser Marker | Dual Point Laser Marker | 
        
            | Wavelength: 650nm Laser output: less than 1mW(Class II Laser)
 | 
        
            | Functions | Auto power-off, Auto backlight | 
        
            | High and low temperature alarm | 
        
            | PEAK/VALLEY selectable mode (*1) | 
        
            | Operating Ambient | 0 to 50°C for temperature Less than 85% rh for humidity (no condensing)
 | 
        
            | Waterproof property | JIS C 0920 equivalent to IPX4 | 
        
            | Power requirement | 3VDC : “AA” (LR6) size Alkaline battery × 2 Consumption current: 120 mA
 | 
        
            | Battery life | approx. 16 hours with use of laser and new Alkaline batteries |