Infrared thermometer TKTL 20 An infrared and contact thermometer offering versatile temperature measurement options Infrared temperature measurement range from –60 to +625 °C (–76 to +1 157 °F) Contact temperature measurement range from –64 to +1 400 °C (–83 to +1 999 °F) Distance-to-spot ratio of 16:1; allows accurate temperature readings at a distance User selectable variable emissivity between 0,1 and 1,0; allows most surface temperatures to be measured. Supplied with temperature probe TMDT 2-30 (max. 900 °C / 1 652 °F); suitable for many direct contact applications Can be used with any SKF temperature probe User selectable, multiple temperature measurement modes including: maximum, minimum, average, differential and probe/infrared dual display, scan function User selectable high and level alarm levels with audible warning signal Mode dependant auto shut off feature optimises battery life Supplied in a sturdy carrying case Technical data Designation TKTL 20 Temperature range using infrared –60 to +625 °C (–76 to +1 157 °F) Temperature range using probe –64 to +1 400 °C (–83 to +1 999 °F) Probe supplied TMDT 2-30, suitable for use up to 900 °C (1 650 °F) Environmental limits Operation 0 to 50 °C (32 to 122 °F) 10 to 95% R.H. Storage –20 to +65 °C (–4 to +149 °F) 10 to 95% R.H. Full range accuracy (Tamb=23 ±3 °C) Tobj = 0 to 635 °C ±2% of reading or 2 °C (4 °F) whichever is greater Tobj = –60 to 0 °C ±(2 °C +0,05/degree) Response time (90%) <1 000 ms Display LCD Displayed resolution 0,1 °C/F from –9.9~199.9, otherwise 1 °C/F Distance to spot size 16:1 Spectral response 8–14 µm Emissivity 0,1–1,0 User selectable backlit display On/Off User selectable laser pointer On/Off Measurement modes Max, min, average, differential, probe/IR dual temperature modes Alarm modes High and low level alarm level with warning bleep Laser wavelength 630–650 nm Laser Class 2 Maximum laser power 1 mW Dimensions 195 x 70 x 48 mm (7.7 x 2.7 x 1.9 in) Packaging Sturdy carrying case Case dimensions 340 x 200 x 65 mm (13.4 x 7.9 x 2.6 in) Weight Total (incl. case): 940 g (2.07 lbs) TKTL 20: 230 g (0.50 lbs) Battery 2 x AAA Alkaline type IEC LR03 Battery lifetime 180 hours with laser and backlight off Switch off IR mode automatic after 60 s after trigger is released (60 min can be manually selected) Probe mode automatic after 12 min EMC standards EN 61326-1,-2-2:2006 Laser standards 21CFR, Ch 1-J