STProTM XB
Portable Infrared Thermometer
Noncontact Temperature Measurement
Maintenance professionals monitor motor malfunctions, research heating and ventilation
problems, and monitor electrical motor performance safely and easily with the professional
Raytek STPro thermometer. Handheld, and portable, the Raytek STPro infrared thermometer
stand up to the day-to-day usage professionals require of their equipment.
The STPro leaps ahead of standard entry level models by providing expanded temperature
ranges, higher resolution optics, tighter accuracy and brighter laser sighting. The single dot
Extra Bright Laser Point sighting system makes the center point of the measurement area
more visible in all conditions, especially outdoors. In less than a second, the large temperature
display provides current and MAX surface temperatures.
For equipment maintenance, and heating and ventilation troubleshooting, the professional
STPro thermometer makes troubleshooting quick and easy.
1% accuracy
Extra Bright Laser Point sighting
Temperature up to 535๐C/999๐F
MAX temperature display
Specifications	ST20 XB
Temperature Range	-32๐C to 535๐C (-25๐F to 999๐F)
Accuracy (Assumes ambient operating temperature of 23๐C[73๐F])	-32๐C to -26๐C (-25๐F to -15๐F): +/-3๐C (+/-5๐F) -26๐C to -18๐C (-15๐F to 0๐F): +/-2.5๐C (+/-4๐F) -18๐C to 23๐C (0๐F to 73๐F): +/-2๐C (+/-3๐F) 23๐C to 510๐C (73๐F to 950๐F): +/-1% of reading or +/-1๐C (+/-2๐F), whichever is greater Above 510๐C (950๐F): +/-1.5% of reading
Repeatability	+/-0.5% or ≤ +/-1๐C (+/-2๐F), whichever is greater
Response Time	≤ 0.5 second (95% of reading)
Spectral Response	8-14µm
Emissivity*	Pre-set at 0.95
Ambient Operating Temp.	0๐C to 50๐C (32๐F to 120๐F)
Relative Humidity	10-90%
Storage Temperature	-20๐C to 60๐C (-13๐F to 158๐F) without battery
Weight/ Dimensions	320g (11 oz)/ 200 x 160 x 55 mm (8 x 6 x 2 in)
Power	9V Alkaline or NiCd Battery
Battery Life (Alkaline)	10 hrs w/laser & backlight on 20 hrs w/laser & backlight off
Laser (Class II)	Offset single point Laser Point XB
Typical Distance to Target	Up to 2m (6 ft)
Distance to Spot (D:S)	12:1 at focus point
MAX Temp. Display	√
Display Hold (7 seconds)	√
LCD Backlit	√
Temperature Display	๐C or ๐F selectable
Display Resolution	0.2๐C (0.5๐F)
Hard Carrying Case	√
Tripod Mounting	√
Warranty*	1 year
Additional Options/Accessories	Nylon Holster NIST/DKD Traceable Calibration Certificate  (includes 1 year warranty)