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2. Extech Instruments - Wikipedia

   en.wikipedia.org/wiki/Extech_Instruments

   The company's products include thermal imagers, multimeters, clamp meters, air flow meters, light meters, sound level meters, tachometers, pressure sensors, calibration devices, water quality meters, moisture meters, humidity meters, contact and non-contact thermometers, power supplies, fiber optic meters, and EMF measurement devices.

3. Hygrometer - Wikipedia

   en.wikipedia.org/wiki/Hygrometer

   A hygrometer is an instrument which measures the humidity of air or some other gas: that is, how much of it is water vapor. [1] Humidity measurement instruments usually rely on measurements of some other quantities such as temperature, pressure, mass, and mechanical or electrical changes in a substance as moisture is absorbed.

4. TDR moisture sensor - Wikipedia

   en.wikipedia.org/wiki/TDR_moisture_sensor

   A TDR waveguide with exposed wires. In the waveform analysis a sensor (usually a probe) is placed in the material to be tested. The sensor contains a waveguide consisting of two, three, or more parallel wires which is connected via a coaxial cable to a voltage pulse generator which sends precisely defined voltage pulses into the sensor.

5. Moisture meter - Wikipedia

   en.wikipedia.org/wiki/Moisture_meter

   Measuring water leakage in exterior wall with Trotec T660 Moisture Measuring Device, using dielectric measurement method (indicative). Moisture meters are measuring instruments used to measure the percentage of water in a given substance, as physical properties are strongly affected by moisture content and high moisture content for a period of time may progressively degrade a material.

6. Psychrometrics - Wikipedia

   en.wikipedia.org/wiki/Psychrometrics

   The dimensionless humidity ratio is typically expressed as grams of water per kilogram of dry air, or grains of water per pound of air (7000 grains equal 1 pound). Specific enthalpy, symbolized by h, is the sum of the internal (heat) energy of the moist air in question, including the heat of the air and water vapor within. Also called heat ...

7. 15 things to spend your Amazon gift card on - AOL

   www.aol.com/lifestyle/15-things-to-spend-your...

   HydroFlask 32-Ounce Wide Water Bottle. $34 $45 Save $11. See at Amazon. Renpho Eyeris Eye Mask & Massager. $65 $100 Save $35 with coupon. See at Amazon. Ember Temperature Control Smart Mug 2.