| Calibration accuracy (meter) | 1 % (0.06 dB) | 
                    
                        |  | 
                    
                        | Detector type (meter) | InGaAs | 
                    
                        |  | 
                    
                        | Response wavelength (meter) | 600 ~ 1700 nm | 
                    
                        |  | 
                    
                        | Calibration wavelengths (meter) | 780, 820, 850, 980, 1270, 1290, 1300, 1310, 1330, 1350, 1370, 1390, 1410, 1430, 1450, 1470, 1490, 1510, 1530, 1550, 1570, 1590, 1610, 1625, 1650 nm | 
                    
                        |  | 
                    
                        | Calibration validity (ISO/IEC 17025) | 3 years | 
                    
                        |  | 
                    
                        | Power range (meter) | +10 ~ -60 dBm (780 ~ 980 nm) / +10 ~ -70 dBm (1270 ~ 1650 nm) | 
                    
                        |  | 
                    
                        | Resolution (meter) | 0.01 dB | 
                    
                        |  | 
                    
                        | Polarization sensitivity (meter) | < 0.05 dB (typical) | 
                    
                        |  | 
                    
                        | Mid-range linearity (meter) | 0.04 dB (typical) | 
                    
                        |  | 
                    
                        | λ sensitivity, ± 30 nm. Selected λ | 0.2 dB (typical) | 
                    
                        |  | 
                    
                        | ID tone detection & Autotest sensitivity (meter) | Up to -50 dBm | 
                    
                        |  | 
                    
                        | Tone detection (meter) | 150 ~ 9900 Hz ± 1 % | 
                    
                        |  | 
                    
                        | Modulated output (source) | 270 Hz, 1 kHz, 2 kHz ± 2 %, 12 Multi-Fiber ID tones | 
                    
                        |  | 
                    
                        | Autotest (Source-with compatible power meter) | Enabled (except for 470, 520 nm LED sources & KI28800 series | 
                    
                        |  | 
                    
                        | Adjust output power (source) | Adjustable over 7 dB in 0.01 dB steps | 
                    
                        |  | 
                    
                        | Reconnection repeatability @ 95% confidence (source) | 0.1 dB | 
                    
                        |  | 
                    
                        | Wavelength initial tolerance @ 25 °C (source) | 20 nm | 
                    
                        |  | 
                    
                        | Spectrum width @ FWHM (source) | 3 nm | 
                    
                        |  | 
                    
                        | Wavelength drift (source) | 0.4 nm per °C (typical) | 
                    
                        |  | 
                    
                        | Power | Battery / External power via micro-USB or USB-C. Charging is jumper selectable | 
                    
                        |  | 
                    
                        | Battery type | 2x AA (LR6) Alkaline / 2x AA NiMH AA | 
                    
                        |  | 
                    
                        | Battery life | Laser/LED source: 90/80 hours (typical) in Autotest | 
                    
                        |  | 
                    
                        | Auto off | Selectable | 
                    
                        |  | 
                    
                        | USB interfaces | Micro-USB or USB-C for power & software / USB-A Flash Drive | 
                    
                        |  | 
                    
                        | Software | KITS (free download) | 
                    
                        |  | 
                    
                        | Memory | 1,000 four λ tests with date & time / Unlimited on USB Flash Drive | 
                    
                        |  | 
                    
                        | Case | Polycarbonate (body) / rubber (edges & corners), moisture resistance, 1-meter drop tested | 
                    
                        |  | 
                    
                        | Display size | 74 mm x 55 mm | 
                    
                        |  | 
                    
                        | Size | 190 mm x 105 mm x 35 mm | 
                    
                        |  | 
                    
                        | Unit weight | 0.42 kg | 
                    
                        |  | 
                    
                        | Shipping weight | 1.5 Kg | 
                    
                        |  | 
                    
                        | Operating / storage temperature | -15 to 55 °C / -25 to 70 °C | 
                    
                        |  | 
                    
                        | Relative humidity | 0 ~ 95 % | 
                    
                        |  | 
                    
                        | Warranty | 3 years | 
                    
                        |  | 
                    
                        | IP Rating | IP52 | 
                    
                        |  |