Extech Infrared Thermometers Selection Guide
Listed in Order by Lowest List Price

Model	Range	Basic Accuracy (whichever is greater)	Max. Resolution	Emissivity	Field of View (Distance to Target)	Price
IR201	-58 to 518°F -50 to 270°C	±2.5% of reading or ±3°F/±2°C	1°F/°C	0.95 Fixed	6:1	$59.99 More Info >
42500	-4 to 500°F -20 to 260°C	±3% of reading or ±6°F/±3°C	1°F/°C	0.95 Fixed	6:1	$79.99 More Info >
42529	0 to 600°F -20 to 320°C	±2% of reading or ±4°F/±2°C	1°F/°C	0.95 Fixed	6:1	$79.99 More Info >
42509	-4 to 950°F -20 to 510°C	±1% of reading or ±2°F/±1°C	0.1°F/°C,	0.10 to 1.00 Adjustable	12:1	$89.99 More Info >
42510A	-58 to 1000°F -50 to 538°C	±1% of reading or ±2°F/C	0.1°F/°C, 1°F/°C	0.1 to 1.00 Adjustable	12:1	$99.99 More Info >
42511	-58 to 1100°F (-50 to 600°C)	±(1% of reading + 2°F/1°C)	0.1°F/°C	0.10 to 1.00 Adjustable	12:1	$129.99 More Info >
42512	58 to 1832°F (-50 to 1000°C)	±(1% of reading + 2°F/1°C)	0.1°F/°C	0.10 to 1.00 Adjustable	30:1	$199.99 More Info >
42515	IR: -58 to 472°F (-50 to 800°C) Type K: -58 to 2498°F (-50 to 1370°C)	IR: (±2% Reading or 4°F / 2°C) <932°F/500°C±(2.5%rdg +5°) > 932ºF/500°C Type K: (±1.5% Reading +5°F or 3°C)	0.1°F/°C	Adjustable 0.10 to 1.00	13:1	$129.99 More Info >
42530 *Special!	-58 to 1000°F -50 to 538°C	±2% of reading or ±4°F/±2°C	0.1°F/°C, 1°F/°C	0.95 Fixed	8:1	$89.99 More Info >
EZ20	-58 to 1100°F -50 to 600°C	±2% of reading or ±4°F/2°C	0.1° up to 200°	0.95 Fixed	8:1	$149.99 More Info >
RH101	IR: -58 to 932°F (-50 to 500°C), Air Temp: -4 to 140°F (-20 to 60°C)	±3.5% (RH), ±2% or ±4°F/2°C (IR), ±3°F/°C (Air Temp)	0.1% 0.1°	0.95 Fixed	8:1	$159.99 More Info >
42540	-58 to 1400°F -50 to 760°C	±2%+2°< 932°F (500°C) ±2.5%+5° > 932°F (500°C)	0.1°F/°C	0.95 adjustable	16:1	$169.99 More Info >
42542	-58°to 1832°F (-50 to 1000˚C)	±2% of rdg or 4°F/ 2°C whichever is greater <932°F (500°C); ±(2.5%rdg + 5°)>932°F (500°C)	0.1°F/°C	0.1 to 1.00 adjustable	30:1	$209.99 More Info >
42545	-58 to 1832°F -50 to 1000°C	±2%+2°< 932°F (500°C) ±2.5%+5° > 932°F (500°C)	0.1°F/°C	0.1 to 1 adjustable	50:1	$269.99 More Info >
42560	-58 to 1022°F / -50 to 1050°C	IR: ±2% or ±4°F/2°C Type K: ±1.5% ±5°F/3°C	0.1°F/°C	0.1 to 1.00 Adjustable	30:1	$329.99 More Info >
42570	-58 to 3992°F / -50 to 2200°C	IR: ±1% or ±2°F/1°C	0.1°F/°C	0.10 to 1.00 Adjustable	50:1	$399.99 More Info >
42582	-40 to 932°F (-40 to 500°C) Thermistor: -4 to 300°F (-20 to 150°C)	±2% of rdg or ±4°F/2°C Thermistor: ±1.4°F/0.8°C	0.1°F/°C (<100°) 1°F/°C	0.3 to 1.0 Adjustable	8:1	$0.00 More Info >