Sanford Sharpie Permanent Fine Point Markers, Original Sharpie pen-style permanent marker marks on most hard-to-mark surfaces. Markings are permanent on most surfaces. Alcohol-based ink is quick-drying and certified AP nontoxic.
Environmental Meter, 10-in-1, Measures Air Velocity, Air Flow, Air Temperature, Type K Temperature, Heat Index, Humidity, Wet Bulb, Dew Point, Windchill, & Light Level, Auto power off with disable, Tripod mount, Complete, wrist strap, Dimensions: 6x2.3x1in
Analyzer Hb 201+ (g/dl), Waived hemoglobin, for use with capillary, venous or arterial whole blood, Measurement range: 0-25.6 g/dL, Sample volume: 10 uL, Power: AC Adapter or 4 AA batteries
Sling Psychrometer, to measure relative humidity, Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements, Includes an activity guide with relative humidity calculation table, Requires assembly,pack of 15
Sling Psychrometer, to measure relative humidity, Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements, Includes an activity guide with relative humidity calculation table, Requires assembly
HOBO* Pro v2 Temperature/Relative Humidity Data Logger, weatherproof data logger with built-in temperature and relative humidity sensors, High accuracy, Optic USB interface for fast and reliable download, for use in outdoor or condensing environments
HOBO* Pro v2 External Temperature/Relative Humidity Data Logger, weatherproof data logger with an external Temperature and Relative Humidity sensor on a 6-foot cable for fast sensor response and deployment in tight spaces
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