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
Marina Standing Thermometer - Celsius and Fahrenheit, designed to sink to the bottom of the aquarium and remain in a vertical position, Centigrade, Has a safety zone temperature range indicator for most tropical fi
Horizon Energy Monitor, Voltage, Current, Power, Joules, Resistance And Even Rpm Speed Available At The Touch Of A Button-Displayed Either On The Lcd Screen Of The Monitor Itself Or As Graphical Data On Your Pc, Monitor Help Bring Lab And Field Experiments Back
List View
Easy View (new)
