Politici de confidentialitate
• 4" (10cm) vane allows for more precise readings on larger size ducts• Air Velocity, Air Flow, Relative Humidity, Wet Bulb and Dew Point, Carbon Dioxide (CO2)• Built-in thermistor for air temperature• Multipoint and timed average calculations
• Checks for Carbon Dioxide (CO2) concentrations• Maintenance free NDIR (non-dispersive infrared) CO2 sensor• Indoor Air Quality displayed in ppm with Good (0 to 800ppm), Normal (800 to 1200ppm), Poor (>1200ppm) indication• User programmable Visible and Audible CO2 warning alarm
• Checks for Carbon Dioxide (CO2) concentrations• Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor• Triple LCD simultaneously displays CO2 , Temperature and Relative Humidity• Measurement ranges: CO2 - 0 to 4,000ppm; Temperature - 32 to 122°F (0 to 50°C); Humidity - 10 to 90%RH• Datalogger stores readings on an SD card in Excel® format for easy transfer to a PC
• Checks for Carbon Dioxide (CO2) concentrations• Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2• CO2 measurement range: 0 to 6,000ppm• Temperature measurement range: -4 to 140°F (-20 to 60°C)• Humidity measurement range: 10 to 95%RH
• Checks for Carbon Dioxide (CO2) concentrations• Calculates statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit)• Maintenance free NDIR (non-dispersive infrared) CO2 sensor
• Easy to read 1999 count backlit displays CO levels from 0 to 1000ppm• 1ppm resolution with ±5% or ±10ppm basic accuracy (whichever is greater)• Utilizes a stabilized electrochemical gas specific (CO) fast response sensor• Audible alarm starts at 35ppm• Backlight for low light conditions
• Dual LCD simultaneously displays Carbon Monoxide (CO) level and maximum CO reading taken from when the meter was powered on• Long life electrochemical sensor• Adjustable CO warning level at 25, 30, 35, 45, 50, 70, 100 and 200ppm (alarm is preset to 25ppm)• Audible alarm when CO level reaches the warning set point level• Choose from 3 calibration points: 0 (preset), 100, and 500ppm
• Alternately displays Carbon Monoxide (CO) concentration, Air Temperature, and Relative Humidity readings (cycles approximately every 6 seconds)• Visible bright tri-colored (green, yellow, red) LED alarm indicator• Adjustable audible alarm for readings exceeding one of the selected ranges: 25ppm, 30ppm, 35ppm, 50ppm, 100ppm or 200ppm• ZERO Re-Calibration function• Manual Temperature and Relative Humidity Compensation (adjustable)• CO Calibration function in fresh air
• Simultaneously displays Carbon Monoxide (CO) concentration, Air Temperature, and Relative Humidity readings with date (Year, Month, Day) and time• Visibly bright LED indicates active monitoring (green) or surpassed CO alarm threshold (red)• Extra loud audible beeper alarm level meets UL 2013 Standard (>85dB @ 3 meters); default alarm threshold at 30ppm (user adjustable)• Designed with Electrochemical CO sensor• Record/Recall Max reading for CO concentration• CO calibration function in fresh air
• Backlit LCD displays TVOC (Total Volatile Organic Compound) and HCHO (Formaldehyde) concentrations simultaneously in real-time• Built-in fast response, high accuracy fuel cell Formaldehyde sensor• Two selectable units of measure (ppm, mg/m3)• Adjustable audible and visible high/low alarms• Auto Power Off• Complete with rechargeable battery and Universal AC Adaptor/Charger (multi-plugs US, EU, UK, and AU)
• Simultaneously measure and display 6 channels of particle sizes (down to 0.3µm), Air Temperature, Humidity, Dew Point and Wet Bulb• 2.8" TFT Color LCD display• Built-in 320x240-pixel camera takes videos (3GP) and photo images (JPEG) and records them in internal 74MB memory• Store 5000 records (date, time, counts, humidity, temperature, sample volumes, and location label) and 20 minutes of video• Selectable sample time, count data, and programmable delay• Max, Min, DIF, AVG record, Date/time setup controls, Auto Power Off
• Simultaneous display of Pressure, Air Velocity or Air Flow plus Temperature• ±0.7252psi range• 5 selectable units of pressure measurement• Max/Min/Avg recording and Relative time stamp• Data Hold and Auto power off functions
• ±2psi range, 11 Selectable units of measure• Max/Min/Avg recording and Relative time stamp• Data Hold, Auto power off and Zero function• Large LCD display with backlighting
• ±5psi range, 11 Selectable units of measure• Max/Min/Avg recording and Relative time stamp• Data Hold, Auto power off and Zero function• Large LCD display with backlighting
• Dual differential inputs for pressure and temperature• Displays 5 types of pressure units• For use with R22 and R410A refrigerants• Standard 1/4 NPT male flare fittings
• Record/Recall Max/Min readings• Data Hold and Auto power off with disable• Large LCD display with backlighting• Zero function for offset correction or measurement