Davis Instruments Health EnviroMonitor, User Manual

Page 1: ...H E A L T H E N V I R O M O N I T O R CONSOLE USER S MANUAL Product 7470 7475...

Page 2: ...10 Inside and Outside Humidity and Dew Point 10 Time 11 AUTOCLEAR 11 HIGHS AND LOWS 12 ALARMS 12 USING THE HEALTH EM 15 USING THE ENTER KEY 15 Entering Negative Numbers 16 Example of Using ENTER Setti...

Page 3: ...perature humidity barometric pressure UV radiation UV dose rain fall and rate of rainfall Current values high and low values cumulative totals and daily averages are available for display at the push...

Page 4: ...two different types of keys function keys and operation keys The larger and more square keys are the function keys and are used to display the various conditions measured and calculated by the Health...

Page 5: ...alue is changed separately The active digit the one which is currently ready to be changed flashes on and off in the display Pressing and releasing ENTER cycles through all available digits in a value...

Page 6: ...Health EnviroMonitor Manual Page 53...

Page 7: ...occurred will appear Press Recall again to view the low if both a high and low are stored To clear a high low press the appropriate keys as necessary to display the desired high low Press and hold Cl...

Page 8: ...begins to flash Hold ENTER as this digit cycles through the available entries one of which will be a negative sign if a negative entry is valid Example of Using ENTER Setting the Time You should use...

Page 9: ...ou have entered the correct time wait four seconds without pressing any keys After four seconds the Health EM saves the entry and returns to normal operation The time you just entered will appear in t...

Page 10: ...bsent from the display 3 To display the current inside T H index press HEAT STRESS The current inside T H index appears on the right of the display CURRENT INSIDE T H INDEX 4 To display the status of...

Page 11: ...ternates between F and C All temperature infor mation including temperature wind chill and dew point will appear in the units of measure you select SAMPLE UNITS OF MEASURE High Apparent Temperature Th...

Page 12: ...V radiation conditions are displayed in MEDs Viewing UV Radiation 1 To display the current UV radiation intensity press UV The current intensity of UV radiation appears on the right side of the dis pl...

Page 13: ...y dose of UV radiation during the period press UV again The average daily dose of UV radiation during the period appears on the right side of the display The skin factor appears on the left of the dis...

Page 14: ...n to burn Note that MEDs as a standard unit of measure are based on a skin factor of 1 0 Note Be aware that skin types are only related to the sun burning effects of UV Other UV related health problem...

Page 15: ...gh UV radiation intensity along with the time at which it occurred For information on displaying and clearing highs and lows see Highs and Lows starting on page 40 Clearing Daily and Total UV Dose You...

Page 16: ...te when the period length is an exact number of days that is if you display the average at the same time of day at which the period started When the length of the period is displayed the GroWeather ro...

Page 17: ...ion is enabled the word O n appears on the right of the display If the AutoClear function is disabled the word O F F appears on the right of the display See Enabling Disabling AutoClear on page 46 for...

Page 18: ...To display the current outside temperature press TEMP The current outside temperature appears on the right of the display CURRENT OUTSIDE TEMPERATURE 2 To display the current inside temperature press...

Page 19: ...gh the available units and resolutions in the fol lowing order 1 F 0 1 F 1 C 0 1 C All temperature information including apparent temperature wind chill and dew point will appear in the units of measu...

Page 20: ...ng displayed appear at the center of the compass rose The compass rose appears on the Health EM display at almost all times it does not appear when displaying UV or rainfall for exam ple Viewing Wind...

Page 21: ...the direction of the high gust For information on displaying and clearing highs and lows see Highs and Lows starting on page 40 Alarms You may set a high alarm for wind speed See Alarms on page 42 SOL...

Page 22: ...nsity along with the time at which it occurred For information on displaying and clearing highs and lows see Highs and Lows starting on page 40 BAROMETRIC PRESSURE The Health EM displays current barom...

Page 23: ...s RISING BAROMETRIC PRESSURE INDICATOR Falling Barometric Pressure If barometric pressure fell by 02 inches of Hg 1 5 mm or 7 hPa or more over the past hour the falling barometric pressure indicator a...

Page 24: ...EM will calculate and display the correct barometric pressure until the unit is moved to a different altitude or power is interrupted 1 Determine the current barometric pressure Many TV and radio weat...

Page 25: ...d in inches per hour in hr or millimeters per hour mm hr Viewing Rainfall 1 To display daily rainfall press RAIN The amount of daily rainfall appears on the right of the display The current rate of ra...

Page 26: ...loop Selecting Units of Measure To select the desired unit of measure simply press UNITS while viewing any of the rainfall displays except AutoClear As you press UNITS the Health EM alternates betwee...

Page 27: ...AR until the rainfall total resets to zero TOTAL RAINFALL CLEARED Note To prevent accidental clearing of the total rainfall you need to hold CLEAR down for 7 seconds before total rainfall clears Daily...

Page 28: ...nd low outside and inside humidity On Off press HUM again If the AutoClear function is enabled the word O n appears on the right of the display If the AutoClear function is disabled the word O F F app...

Page 29: ...g highs and lows see Highs and Lows starting on page 40 Alarms You may set a high and a low alarm for both outside and inside humidity You may set a special alarm for dew point which alerts you if tem...

Page 30: ...press TIME again The current year appears on the right of the display YEAR 4 To display the time at which the Health EM executes the AutoClear function each day press TIME again The time at which the...

Page 31: ...o display the time date or year as desired 2 Use ENTER to set the time date or year If using the 12 hour format make sure you correctly set the time to AM or PM as desired 3 Press TIME to exit The Hea...

Page 32: ...ghs and lows stored displayed by the Health EM The procedure for displaying and clearing highs and lows is the same for each high low The general procedure is cov ered below SAMPLE HIGH LOW DISPLAYS W...

Page 33: ...s long as you do not press a key the Health EM will continuously alternate between the low reading and the time Clearing Highs and Lows Clearing a high or a low value erases the currently stored value...

Page 34: ...ng by pressing CLEAR at any time though the alarm display remains SAMPLE ALARM DISPLAYS If more than one alarm is triggered at once the Health EM scans through all of the triggered alarms displaying e...

Page 35: ...ress the appropriate key s to display the desired weather condition 2 Press ALARM as necessary to display the desired alarm threshold 3 Use ENTER to set the alarm 4 Press any function key to save and...

Page 36: ...To determine which way the barometric pressure is moving check the barometric trend arrow 1 Press BAR to display the current barometric pressure 2 Press ALARM to display the barometric pressure alarm...

Page 37: ...itions are no longer met or the alarm is cleared as explained below If a new alarm is triggered the console will begin beeping again To Clear an Alarm 1 Press the appropriate key s to display the desi...

Page 38: ...status between on and off 3 Press any function key to save and exit GENERAL HIGH LOW CLEAR The Health EM includes a general clear feature which enables you to quickly clear most of the high and low re...

Page 39: ...uses a latitude calibration to estimate the position of the sun and increase the accuracy of the readings You need to determine your lati tude and then select the closest available latitude CAL The p...

Page 40: ...ne the correct calibra tion number for your purposes Note Rainfall CAL must be a whole integer no decimals Generally if the Health EM is set to display rain fall in a unit of measure other than the ra...

Page 41: ...sest latitude from the available CAL entries To select the latitude entry press and hold ENTER when viewing the T H S W index latitude CAL display The display will cycle through all available entries...

Page 42: ...n routine Until you stop the scan routine it will continuously cycle through every condition measured or calculated by the Health EM and every high low stored by the Health EM Stopping a Scan Routine...

Page 43: ...r Manual Page 51 Flashing of the BATT indicator indicates that the backup battery is low on power You should replace the battery when you see this indicator or the backup battery may not last through...

Page 44: ...Using the Health EM Page 52 Health EnviroMonitor Manual...

Page 45: ...H index commonly called heat stress uses the temperature and the relative humidity to determine how hot the air actu ally feels When humidity is low the apparent temperature will be cooler than the a...

Page 46: ...n significantly increase the amount of UV to which you are exposed Nor does the Health EM take into account the dangers of prolonged exposure to UV radiation and the readings do not suggest that any a...

Page 47: ...ays next to the body offering some protection from the cooler air molecules and limiting fur ther transfer of heat When the wind is blowing however the warm air sur rounding the body is swept away The...

Page 48: ...This pressure is known as atmospheric pressure Gener ally the more air above an area the higher the atmospheric pressure which means that atmospheric pressure changes with altitude To compensate for...

Page 49: ...Relative humidity therefore is not actually a measure of the amount of water vapor in the air but a ratio of the air s water vapor content to its capacity It is important to realize that relative humi...

Page 50: ...automatically clear some or all of the daily values at the same time each day The time at which values are cleared is the same for all values and may be set by the user default is mid night The AutoCl...

Page 51: ...ds a particular value With the exception of baromet ric pressure dew point and time all alarms sound when a reading reaches the alarm threshold and will continue to sound until the reading returns to...

Page 52: ...rm alerts you when the temperature comes within 2 F 1 C of the dew point Time The time alarm is a standard alarm clock type of alarm It will sound for one minute after it is triggered Outside T H S W...

Page 53: ...Health EnviroMonitor Overview Page 14 Health EnviroMonitor Manual...

Page 54: ...energy The Health EM will also use the solar irradiance reading in cal culating temperature humidity sun wind index Stainless Steel Temperature Probe Enables you to measure and display outside temper...

Page 55: ...radiated and reflected heat Increase the life of the sensor and the accuracy of the readings Rain Collector Shelf Provides a horizontal surface for mounting the rain collector May be used with Sensor...

Page 56: ...Introduction to the Health EnviroMonitor Page 4 Health EnviroMonitor Manual...

Page 57: ...Alarms 29 SOLAR RADIATION 29 Viewing Solar Radiation 29 High Solar Radiation Intensity 30 BAROMETRIC PRESSURE 30 Barometric Trend Indicator 30 Viewing Barometric Pressure 31 Selecting Units of Measure...

Page 58: ...Setting the Barometric Pressure Alarm 44 Setting the Dew Point Alarm 44 To Silence an Alarm 45 To Clear an Alarm 45 ENABLING DISABLING AUTOCLEAR 46 GENERAL HIGH LOW CLEAR 46 To Use General Clear Feat...

Page 59: ...Table of Contents Page iv...

Page 60: ...This product complies with the essential protection requirements of the EC EMC Directive 89 336 EC Davis Instruments Corp 1997 All rights reserved Health EnviroMonitor is a trademark of Davis Instrume...