Enviro-Meter? provides in a single handheld package an anemometer, humidity meter, light meter, and two thermometers. Lightweight and compact case permits one-handed operation. Features a hold button that captures a reading for ease in recording a result. MIN/MAX button displays highest and lowest reading over any time period. Anemometer displays air velocity ranges: 80 to 5910 feet per minute (resolution 1), 0.4 to 30.0 meters per second (resolution 0.1), 1.4 to 108.0 kilometers per hour (resolution 0.1), 0.9 to 67.0 miles per hour (resolution 0.1), and 0.8 to 58.3 knots (resolution 0.1). Accuracy is: under 20 meters per second ±3% of full scale readings and over 20 meters per second ±4% full scale reading.
Relative humidity range is 10.0 to 95.0% (resolution 0.1% RH). Accuracy is: under 70% ±4% RH and over 70% ±(4% of the reading plus 1.2% RH). Light ranges are 0 to 20,000 lux (resolution 1) and 0 to 2000 foot candles (resolution 1). Accuracy is ±5% of the reading and ±8 digits.
Internal ambient thermometer sensor range is 32.0 to 122° Fahrenheit and 0.0 to 50.0° Celsius (resolution 0.1°). Accuracy is ±1.2° C. External thermometer range is –148.0 to 2372° Fahrenheit and –100.0 to 1300° Celsius (resolution 0.1°). Accuracy is ±(1% of the reading plus 1°C). Comes ready to use with fast-response, Type-K beaded external thermometer probe with cable length of 4-feet, wrist strap, and 9-volt battery. Size is 6-1/2 x 2-1/4 x 1-1/4 inches and weight is 6 ounces. Replacement battery Cat. No. 1112.