99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.
Introduction Congratulations on your purchase of this Extech Meter. The EN100 or 150 is 11 professional meters built into one convenient package. This meter ships fully tested and calibrated and, with proper use, should provide many years of reliable service. Features This 11-in-1 professional measuring instrument provides the following functions: 1. Anemometer uses a low-friction ball bearing mounted wheel design for high accuracy 2.
Safety International Safety Symbols This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information. Double insulation Cautions Improper use of this meter can cause damage, shock, injury or death. Read and understand this user manual before operating the meter. Inspect the condition of the probe and the meter itself for any damage before operating the meter. Repair or replace any damage before use.
Meter Description 1. Air Speed Sensor 2. PT1000 Thermistor input socket (optional) 3. LCD Display 4. Hold Button 5. REC button 6. Power Button 7. Light Sensor (EN100); UV Sensor (EN150) 8. Air Temperature and Relative Humidity sensor Note: Altitude sensor and battery compartment on rear of unit 1 2 3 4 5 6 7 8 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com 4 EN100-150-EU-EN v1.
Units of Measure Selections Units Function An Anemometer: ft/min, m/s, km/h, MPH, knots; Temp °C/ °F AirFl Air flow: CFM, CMM CHiLL Wind Chill: °C/ °F rH Relative Humidity: %RH; Temp: °C/ °F dP Dew Point: °C/ °F _Et Wet Bulb Temperature: °C/ °F HEAt Heat Index: °C/ °F Light Visible light: Lux, Ft-cd (EN100 only) UA UVA light: uW/cm², mW/cm² (EN150 only) BAr Barometric pressure: mmHg, hPA, inHg HigH Altitude: Ft, m Pt Optional external temperature probe (PT1000 ohm Thermistor): °C/ °
Operation Powering the meter 1. Press the Power button to turn the instrument ON 2. If the meter does not turn on or if the " replace the batteries. " low battery symbol appears in the display, 3. Press the Function button to select the measurement needed. 4. Press and hold the Power button for >4 seconds to power off the unit. Anemometer - Air Velocity Measurement 1.
Wind Chill Measurement 1. Select the Wind Chill function by pressing and holding the "HOLD" button until the display indicates “CHiLL” then release the HOLD button. 2. Press and Hold the "REC" button until dCcF appears. Press the Power button (up) to select C or F. Press the REC button to save the units. 3. Face the air velocity sensor into the source of the airflow. 4. The display will show the Wind Chill temperature. 5. Allow time for the reading to stabilize and note the values indicated.
Wet Bulb Measurement 1. Select the Wet Bulb function by pressing and holding the "HOLD" button until the display indicates “_Et” then release the Hold button. 2. Press and Hold the "REC" button until dCcF appears. Press the Power button (up) to select C or F units. Press the REC button to save the units. 3. The Wet bulb temperature reading will display on the LCD in C or F units. 4. Allow several minutes of stabilization time to elapse each time the meter takes measurements in a new location. 5.
Light Measurement – Visible Light (EN100 only) 1. Select the Light Measurement function by pressing and holding the "HOLD" button until the display indicates “Light” then release the HOLD button. 2. Press and hold the "REC" button until ‘Units’ appears. To switch between "Lux" or "Ft-cd" press the Power button. Press REC to exit and return to the Light measurement mode; the selected Unit (Lux or Ft-cd) will be displayed. 3.
Select the preferred pressure units by pressing "REC" button unit the display shows units. Press the Power button to change the units to HPA and then press “REC” button to save. (mBar = hPa) Select the Altitude function by pressing and holding the "HOLD" button until the display indicates “HigH” and then release the HOLD button. Press the HOLD button once, ‘hold’ will appear on the display. Press the REC button for more than 3 seconds, the display will show either Ft or m units.
Hold Function Press the "Hold Button" to freeze the current reading value, the "HOLD" symbol appears on the display. Press the button again to return to normal operation. Data Record Function 1. The Record function captures & displays the Maximum and Minimum reading values. Start the Data Record function by pressing the "REC” button once. The "REC" symbol appears on the display. 2. With the REC symbol on the display : a.
Specifications General Specifications Display LCD display, 18 x 32mm (0.7 x 1.6”) Measurements Air Velocity, Air Flow, Wind Chill, Humidity, Dew Point, Wet Bulb, Heat Index, Light (Visible – EN100; UVA – EN150), Thermometer, Barometric Pressure, and Altitude Operating Humidity 80%RH Max. Operating Temperature 0 to 50°C (32 to 122°F) Over Input Display Indication of "- - - -” Data Output RS 232/USB PC serial interface Power Supply CR2032 battery, DC 3V Power Consumption Approx.
Humidity/Temperature Units Range Resolution Accuracy %RH 10 to 95 %RH 0.1 °F 32 to 122°F 0.1 ± 2.5°F °C 0 to 50°C 0.1 ± 1.2°C < 70 %RH :± 4 %RH ≧ 70 %RH :± ( 4%rdg + 1.2 %RH ) Dew Point Temperature Units Range Resolution °F -13.5 to 120.0 0.1 °C -25.3 to 49.0 0.1 Accuracy Calculated from %RH and temperature Wet Bulb Temperature Units Range °F 22.2 to 120.0 Resolution 0.1 °C -5.4 to 49.0 0.
Altitude Units Range m -2000 to 9000 Resolution 1 Accuracy ± 15 Ft -6000 to 30000 1 ± 50 Visible Light (EN100 only) Units Lux Ft-cd Range 0 to 2,200 Lux 1 1,800 to 20,000 Lux 10 0 to 204.0 Fc 0.1 170 to 1,860 Fc 1 UVA Light (EN150 only) Units Resolution Accuracy ± 5% rdg ± 8 digits (band pass 290nm to 390nm) Range Resolution uW/cm² 0 to 1999 1 mW/cm² 2 to 20.00 0.01 Accuracy ±(4%Full Scale + 2 digits) Thermistor Thermometer Units Range °F 14.0 to 158.0 Resolution 0.
