Built-in sensors provide simultaneous readings of Relative Humidity and Temperature

Features:

• Humidity: 20 to 90%RH (±5%RH)
• Temperature: 14 to 122°F or -10 to 50°C
• Accuracy: ±5%RH; ±2°F, ±1°C
• Max/Min with "Clear" function

• Simultaneous display of Temperature (°C/°F) and Relative Humidity
• Max/Min and Data Hold
• Built-in self calibration utility allows for field calibrations using optional Relative Humidity calibration bottles
• Includes meter with pocket clip and 3V lithium battery

Compact, Digital Hygro-Thermometer with 33% and 75% RH calibration standards and case

Features:

• Simultaneous display of Temperature (°C/°F) and Relative Humidity
• Max/Min and Data Hold
• Built-in self calibration utility allows for field calibrations using Relative Humidity calibration bottles
• Includes meter, 33% and 75% RH calibration standards, and hard vinyl carrying case

Dual display of RH, Temperature, Dew Point and Wet Bulb

Features:

• Large LCD displays any two parameters simultaneously
• Data Hold, Relative, Min/Max, Programmable power off timer
• Stores up to 99 manual readings for display recall or up to 15,000 readings for PC download
• Programmable Start/Stop datalogging time and sample rate of 1 to 86,000 seconds
• Includes probe with 39" (1m) cable

Digital UP/DOWN timer displays Temperature, Humidity, and Heat Index

Features:

• User settable Heat Index alarm
• Stopwatch/chronograph mode with 1/100 second resolution
• Fastest/Slowest/Average Lap recall
• 99 lap counter with 30 lap/split memory
• 10 hour countdown timer with audible beeper warning for the last 5 seconds
• Programmable alarm
• Calendar mode displays day, month, and date

Graphical datalogger for Humidity/Temperature measurements and Dew Point calculation

Features:

• Simultaneous numerical and graphical display of Humidity and Temperature readings, plus Time and Date
• Measures Humidity (10 to 95%RH) and Temperature (-20.0°F to 140.0°F) plus calculates Dew Point
• Basic accuracy 3%RH, 1.8°F/1°C
• Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution
• Internal memory records up to 49,000 data points and can be transferred to a PC via RS-232 serial port for further data analysis
• LCD indicates percentage of memory remaining

Graphical datalogger for Humidity/Temperature measurements and Dew Point calculation

Features:

• Simultaneous numerical and graphical display of Humidity and Temperature readings, plus Time and Date
• Measures Humidity (10 to 95%RH) and Temperature (-20.0°F to 140.0°F) plus calculates Dew Point
• Basic accuracy 3%RH, 1.8°F/1°C
• Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution
• Internal memory records up to 49,000 data points and can be transferred to a PC via RS-232 serial port for further data analysis
• LCD indicates percentage of memory remaining
• Comes with 220V AC power supply

Graphical datalogger for Humidity/Temperature measurements and Dew Point calculation

Features:

• Simultaneous numerical and graphical display of Humidity and Temperature readings, plus Time and Date
• Measures Humidity (10 to 95%RH) and Temperature (-20.0°F to 140.0°F) plus calculates Dew Point
• Basic accuracy 3%RH, 1.8°F/1°C
• Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution
• Internal memory records up to 49,000 data points and can be transferred to a PC via RS-232 serial port for further data analysis
• LCD indicates percentage of memory remaining
• Comes with 240V AC power supply

Records data on an SD card in Excel format

Features:

• 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
• Selectable data sampling rate: 5, 10, 30, 60, 120, 300, 600 seconds or Auto
• Complete with six AAA batteries, 2G SD memory card, universal AC adaptor, and mounting bracket