The HT30 will emit an audible beep when the heat stress index (WBGT) reaches the level previously set by the user. The WBGT index is calculated using the following formula: WBGT = 0.7Tw + 0.2Tg + 0.1Td. Heat Stress WBGT (Wet Bulb Globe Temperature) Meter Considers the effects of temperature, humidity, and direct or radiant sunlight. Tw is … EXPLORE . The WBGT index is a term used in industry, sports and other areas to indicate the heat stress level for humans and animals. These instruments deliver high-performance monitoring through Wet Bulb Globe Temperature (WBGT) sensing technology and the calculation of a WBGT index value. This type of meter com¬bines these factors into a single number so you can quickly take into account the conditions you are in. It is derived from the following formula: W B G T = 0.7 T w + 0.2 T g + 0.1 T d … All Kestrel Meters are Designed & Built in the USA and backed with a 5-year warranty. No more questioning if conditions really are safe enough for practice or for games – when coaches and other staff have an accurate view into what WBGT is and why it is important when it comes to measuring heat stress, they can help players avoid heat related illness and injuries. WBGT is based on an equation where a combination of environmental factors are used to calculate a reading. Click here to find a forecast for WBGT on a national scale. This is most often done using a small handheld device like the Kestrel 5400 Heat Stress Tracker, which tracks the most important atmospheric readings. There are many sports organizations that also utilize WBGT to access the potential risk for environmental stress on athletes, an issue that has been a growing point of concern for many parents and coaches of youth sports. For in-depth explanations of these topics, FAQ’s, chat and e-mail support, visit www.kestrelinstruments.com. In our calculations we use a standard wind speed at 1 m/s, so for windless conditions our calculated results will produce a more accurate WBGT for a moving worker than measured by a stationary WBGT meter. Black Globe Temperature (TG) monitors the effects of direct solar radiation on an exposed surface. It can also determine Heat Stress Index which measures how hot it feels when humidity is combined with temperature, air movement, and radiant heat. �V����G�mzeav��(`���`l'F" �����0��ɢ_~{�H���=`�Mݿج3V9 �o}��Y��N?�5���VŸ�nz��������v Interactive Forecast Tool. Extech HT30 Heat Stress WBGT Index Meter. When you want to know why to use WBGT as a Heat Stress Indicator, it’s important to first look at what WBGT is. Use the button to select the digit to edit. The HT30 is an advanced temperature and humidity meter which measures in a unique way via its Wet Bulb Globe capability. Another way to learn the WBGT for your area is to purchase a WBGT Heat Stress Meter. This instrument considers temperature, humidity, and direct or radiant heat to determine the "what it feels like" temperature. 2 What is Wet-Bulb Globe Temperature? Press the button again to save the setting. Alarm Setting . This type of reading also takes into account the temperature, wind speed, humidity, the angle of the sun and the solar radiation (or simply, the cloud cover). The HT30 has a user settable heat stress index alarm. The IN or OUT icon will appear in the display. The meter measures WBGT index with (IN) or without (OUT) direct sun exposure. Wet-Bulb Globe Temperature (WBGT) is a summer heat index that indicates the level of severity of heat. *The QUESTemp 32 Area Heat Stress Monitor is a replacement for the WIBGET™ Heat Stress Monitor WB-300. Anything over a 92 means that all outdoor activities must be cancelled. WBGT meter. The division is a guide to inform people on the recommended level of work versus rest within the various heat categories. User's Manual Heat Stress WBGT Meter Model HT30. It calculates the heat stress of direct sunlight, which takes into ac¬count temperature, humidity, wind speed, sun angle and cloud cover. Scarlet TWL-1S is designed to measure WBGT and thermal work limit (TWL) heat index. HT30 V3.0 08/07 2 Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies to sensors and cables). Free shipping & free returns on KestrelMeters.com. How To Calibrate a WBGT Wet Bulb Globe Temperature Heat Index Meter. For more information on regional, sport, or organizational WBGT guidelines, or for more information on heat stress safety, visit us as This type of meter com¬bines these factors into a single number so you can quickly take into account the conditions you are in. These branches of the military used WBGT to help drill sergeants and officers know how hard they could push recruits during outdoor activities while avoiding heat illness. It could be applied for measuring the WBGT value in construction, iron and steel foundries, bricks-firing plants, glass facilities, boiler rooms, mining sites, army training, marathon, beach activities and so on. Some of the earliest users of WBGT were the U.S. Marines and U.S. Army. The 8778 AZ Portable WBGT Meter could measure the indoor/ outdoor WBGT, TA/TG and Humidity. �����(};D i�«߁ʠf&. This User Guide contains the information you need to get started using your Kestrel meter. We integrate the algorithm of TWL and work-rest schedule based on the latest guideline. 8th Theater Sustainment Command - Force Health ProtectionWBGT Training Video - Produced by: SSG John Portela 5. Tanita WBGT Heat Index Meter TT-563. Buy Now Manual Key Features. where. WBGT Heat Stress Meter 800036 is a light-weight meter compact enough to carry anywhere to avoid heat exhaustion in public health, sports, military and industrial activities. A standard wind speed of 1 m/s was chosen because for actively working people, limb and torso movement The HT30 will emit an audible beep when the heat stress WBGT reaches the level previously set by the user. WBGT History. 4. Precautionary Actions : Working or exercising in direct sunlight will stress your body after 45 minutes. This video discusses the WBGT meter and how it can be used to help improve monitoring of heat and humidity conditions. WBGT Heat Index Meter All images in this manual are for illustrative purposes only. 218 0 obj <> endobj 215 0 obj <>stream To arm/disarm the alarm function, refer to the ‘ALARM ON‐OFF’ section. The TWL measures air temperature, humidity, radiant heat and wind speed to come up with instructions for work, rest and hydration plan. WBGT provides coaches, athletic trainers and those who work in sports medicine with a solid point of reference to use when making big decisions that may affect a player's health. The wet-bulb globe temperature is a type of apparent temperature used to estimate the effect of temperature, humidity, wind speed, and visible and infrared radiation on humans. The HT30 Wet Bulb Globe Temperature (WBGT) measurement considers the effects of temperature, humidity and direct or radiant sunlight. The meter display and calibration standard should be within the +/–0.3%. Suggested Actions and Impact Prevention: Effects. %PDF-1.6 %���� The meter will now aurally and visually alarm when the High Alarm Threshold has been exceeded. The calculation used measures the heat stress in direct sunlight. It calculates the heat stress of direct sunlight, which takes into ac¬count temperature, humidity, wind speed, sun angle and cloud cover. The Wet Bulb Globe Temperature (WBGT) is a composite temperature. The R6200 features a multi-line backlit LCD display simultaneously displays 4 measurements, user adjustable alarm threshold (audible) and the internal … One of the most widely accepted and preferred methods of measuring heat stress is through regular monitoring of the WBGT of the environment. The meter will return to measuring mode once the calibration is complete. WBGT is used by military agencies and the Occupational Safety and Health Administration (OSHA) as a guide for managing workload in direct sunlight. This type of reading also takes into account the temperature, wind speed, humidity, the angle of the sun and the solar radiation (or simply, the cloud cover). Some of the organizations include the National Athletic Trainers Association (NATA, National Collegiate Athletic Association (NCAA) and the Women’s Tennis Association (WTA). Players need 10-14 days to let their bodies fully acclimate to their environment, and if an athlete doesn’t take enough time to prepare, they could potentially be putting themselves at risk for heat stroke. The handy meter measures air temperature, globe temperature, and humidity to give heat stress index for using in control of physical activity in hot environment to limit the danger of heat-related injuries WBGT (wet-bulb globe temperature) was developed as a monitoring basis at US military training camps and became widespread for the use in workplaces and sports situations. It’s something that sports teams of all levels should implement into their training programs if they haven’t done so already, as it’s the only way to get an accurate picture into the atmospheric conditions, making it easy to spot the hidden dangers of heat stress quickly and easily and help athletes avoid potentially bad situations. Use the drop down menu to access WBGT . It is used to estimate the effect of temperature, solar radiation and wind speed on the human body. 6. We ship globally! Traditionally, we have used air temperature adjusted only by … When it comes to high school athletics, a WBGT reading of under 82.0 is generally assumed to be ok for outdoor workouts as long as water and breaks are given. Scientificgear LLC is located in Fairfax Virginia and has worked with WBGT applications for approximately 10 years. The WBGT can be monitored continuously with hand-held WBGT meters that can be used by coaches and staff on the practice field or inside training facilities. If it should become necessary to return the instrument for service during or beyond the warranty period, … stationary WBGT monitor). The alarm will continue beep until the measured WBGT temperature falls below the alarm level set by the user, or the meter is turned off. When did temperature and heat index stop being enough? Be sure to check the RH value difference. EXPLORE. Extech HT30. 4. WBGT is based on an equation where a combination of environmental factors are used to calculate a reading. The third section is the Work-Rest Time section. WBGT as a heat stress indicator is typically viewed in a range that goes from low levels of risk on up to extreme or hazardous levels of risk. Use the up and down arrow buttons to set the WBGT High Alarm Threshold value. Instruction Manual . Wet bulb globe temperature index is a widely used parameter for determining the collective impact of temperature, wind speed, and visible and infrared radiation on humans. Extech HW30. Page 3: Meter Operation Alarm Setting The HT30 has a user settable heat stress alarm. The wet bulb globe temperature index takes into account air temperature, relative humidity, wind speed, cloud cover (solar radiation), and sun angle to calculate the heat stress risk from working outdoors. User could download the real time value via USB cable to PC. Heat Stress WBGT (Wet Bulb Globe Temperature) Meter Measures WBGT, Black Globe Temperature, Humidity, Air Temperature, Wet Bulb and Dew Point. The meter measures WBGT index with (IN) or without (OUT) direct sun exposure. Work-Rest Time Section. The calculation used measures the heat stress in direct sunlight. It is used by industrial hygienists, athletes, sporting events and the military to determine appropriate exposure levels to high temperatures. HeatWatch™ Humidity/Temperature Stopwatch Digital UP/DOWN … WBGT is important throughout the year, but it is especially important when it comes to preventing heat-related injuries and illness in pre-season practice sessions and games. Hold down the MODE/ for more than 1 second to alternate between settings. With the HT30’s built in Heat Stress Index allows a user to calculate how hot it feels in any given environment by combining together readings from temperature, air movement, humidity and radiant heat. WBGT … Position the black globe by aligning the screw holes on the sheath and the meter to help place the black globe without damaging the sensor. �����uk������s����SZ{z�LA�2$���[&e� Military agencies, OSHA and many nations use the WBGT as a guide to managing workload in direct sunlight. This isn’t the same as what is called the “heat index”, which is just the temperature and humidity, as calculated for shady areas. Measurement Parameters QT°32 QT°34 QT°36; Dry bulb, wet bulb and globe temperatures + + + Air Velocity : optional. WBGT index is a term used in industry, sports and other areas to indicate the heat stress level for humans and animals. Hold down Hold down the MODE/ for more than 1 second to alternate between settings. 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WBGT Meter(Wet Bulb Globe Temperature) provides the most accurate determination of the heat stress index based on the cumulative effect of air temperature, air movement, relative humidity, and radiant heat. Free in USA with Free Returns, © 2020 KestrelMeters.com | All prices in USD, Kestrel 5700X Weather Meter with Applied Ballistics (NEW), Kestrel 5700 ELITE Meter with Applied Ballistics, Ruger Kestrel 5700 Ballistics Weather Meter (NEW), Kestrel 2700 Ballistics Weather Meter (NEW), Kestrel HUD Heads Up Display for 5 Series Ballistics Meters (NEW), DROP D2 Wireless Temperature & Humidity Data Logger, Kestrel 3550AG Spraying WeatherMeter (NEW), Kestrel 5500AG Agricultural Weather Meter, Kestrel DROP D2 Livestock Heat Stress Monitor. The WBGT is not the same as the ambient (dry) temperature, as it takes into account the levels of radiation, wind movement, humidity and the ambient temperature. An in/out … 7. 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