Infrared Digital Thermometers
Sherman Instruments
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STXB Pro Infrared Non-Contact Thermometers
Features: Laser guided sighting system for easy targeting with 1 % accuracy Data logging—12 points for the ST61, 99 points for the ST81 Advanced optics to measure smaller targets at greater distances Adjustable emissivity for more accurate temperature measurements Selectable MAX, MIN, DIF and AVG functions that display values instantly with Hi/Lo Alarm Expanded measurement range Optional probe accessory available for dual contact and non-contact temperature measurements
Comparison chart ST61 ST81 IR temperature range -32°C to 600°C (-25°F to 1100°F) -32°C to 760°C (-25°F to 1400°F) Accuracy < 0°C: ±(1°C +0.1°/1°C); > 0°C:±1% of reading or ±1°C, whichever is greater <32°F: ±(2°F + 0.1°/1°F); >32°F: ±1% of reading or ±2°F, whichever is greater Repeatability ±0.5% of reading or ±1°C (2°F), whichever is greater Display resolution 0.1°C (0.1°F) Spectral response 8 μm to 14 μm Response time (95 %) < 500 ms Distance: spot (90 % energy) 30:1 50:1 Laser sighting Single laser, output <1 mW Class II, wavelength 630 nm to 670 nm Emissivity Digitally adjustable from 0.10 to 1.00 by 0.01 or via built-in table of common materials Data storage 20 points 99 points Communication none none Relative humidity 10 % to 90 % RH non-condensing up to 30°C (86°F) Operating temperature 0°C to 50°C (32°F to 122°F) Storage temperature -20°C to 60°C (-4°F to 140°F) Power 2-AA/LR6 batteries (alkaline or NiCd) 2-AA/LR6 Batteries or USB connection when used with a PC Battery life 12 hours with laser and backlight on; 100 hours with laser and backlight off, at 100 % duty cycle (thermometer continuously on)
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