Fire Weather Instruments: Their Adjustment and Use |
Common terms and phrases
100 per cent agree within one-half air temperature ARRAR British Columbia bulb reading ceases ceases to drop clean water clock correct degree when dry explosive inflammability fan psychrometer Figure FIRE WEATHER INSTRUMENTS Forest Service FUEL MOISTURE STICK hair expansion hair unit hanger marked 100 High Check holding nuts humidiguide humidity measurement humidity remain low Hygrograph Chart HYGROMETER indicated inner cylinder inside a weather Instrument Consistently Instruments located low humidities lower humidity lowest point maintained inside moisture content MOISTURE STICK BALANCE move the collar movement number of hours number of weather pen arm pivot plate pointer PSYCHROMETER This instrument rain gauge Range Adjustment read both thermometers reads correctly register correctly relative humidity replace reservoir result right mount risk condition screw sling psychrometer soft camel's hair stick moisture thermometers mounted Thermometers must agree tighten the holding unsuitable locations WEATHER INSTRUMENT SHELTER weather shelter weather stations wet bulb reading WET BULB THERMOMETER wick