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Features:

Dual differential inputs with internal sensors
Wide (+/-802 inches of water) measurement range with high resolution
Displays 8 types of pressure units: mbar, psi, kg/cm2, mmHg, inHg, mH2O, inH2O, and atm
Record/Recall MIN and MAX readings
Data Hold and Auto Power off
Zero function for offset measurements
Basic accuracy: +/-1% of full scale (includes hysteresis)
Large dual LCD display
Metal input connections with two quick-disconnect fittings
Built-in RS-232 PC interface with optional Data Acquisition software and datalogger
Includes 2 quick disconnect-fittings, 9 V battery, protective rubber holster with stand, and carrying case

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Measures Gauge/Differential Pressure from 0 to 138 in H20 (inches of water)
With 0.1in H20 resolution
Features

11 selectable units with Max/Min recording and Relative time stamp
Compensated temperature range 32 to 122°F (0-50°C)
Data Hold, Auto power off, and Min/Max functions
Large LCD display with backlighting
Zero function for offset correction or measurement
Built-in RS-232 interface (optional software and cable)
Includes 9V battery, connection tubing and hard carrying case

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Records data on an SD card in Excel® format
Features:

Relative Humidity, Temperature, Dew Point, and Wet Bulb measurement
Adjustable data sampling rate
Stores 99 readings manually and 20M readings via 2G SD card
Type K/J Thermocouple input for high temperature measurements
Large backlit dual LCD display
Record/Recall MIN, MAX, Data Hold and Auto power off
Built-in PC interface
Complete with 6 x AA batteries, SD card, carrying case and Humidity/Temperature probe

For complete specs please download the product datasheet (not available for some accessories)

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Records data to SD card in Excel® format Features:

Displays Barometric Pressure in 3 units of measure: hPa, mmHg, and inHg
Triple LCD simultaneously displays Barometric Pressure, Temperature, and Relative Humidity
Datalogger date/time stamps and 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
Complete with (6) AAA batteries, 2G SD card, Universal AC adaptor, and mounting bracket

For complete specs please download the product datasheet (not available for some accessories)

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Measure Ambient CO2, Temperature, Relative Humidity, Dew Point, wet bulb, CO, and calculate percentage outside air.
Comes complete with:
• Protective Rubber Boot (A800)
• Soft Carrying Case (A921)
• USB Cable & Software (A803)
• Instruction Manual

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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

For complete specs please download the product datasheet (not available for some accessories)

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Features:

Ergonomic pocket size housing with large dual LCD simultaneous display of Temperature and Air Velocity or Relative Humidity
Characters on display reverse direction depending on Hygro-Thermo-Anemometer or Light Mode
Data Hold to freeze the displayed value
Records Min/Max readings
Built-in low friction vane wheel improves accuracy of air velocity in ft/min, MPH, m/s, km/h, and Knots
Built-in precision thin-film capacitance humidity sensor for fast response
Built in thermistor for ambient temperature measurements
High temperature measurements using Type K thermocouple
Utilizes precision photo diode and color correction filter
Cosine and color corrected light measurements
Auto power off, Low Battery and over-range indication
Complete with built-in Humidity sensor, Light sensor and Vane wheel, wrist strap, and 9V battery

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Records data on an SD card in Excel® format
Features:

Dual LCD simultaneously displays Relative Humidity and Temperature readings
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 card, universal AC Adaptor, and mounting bracket

For complete specs please download the product datasheet (not available for some accessories)

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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
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 - cable and software included
LCD indicates percentage of memory remaining
Replaceable probe does not require recalibration
Detachable probe extends up to 1 meter for measurements in closed environments
Audible and visual alarm with Hi/Low setpoints

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Humidity Temperature Pen & Kit

Dual LCD display for Temperature, Humidity, and advanced function indication
Measures Temperature (°C/°F) and Relative Humidity simultaneously
Built-in Temperature and Humidity sensors for convenient operation
Max/Min memory functions for both Temperature & Relative Humidity
Built-in self calibration utility with optional RH calibration bottles
Data Hold for freezing the LCD display status
Complete with pocket clip and 3V lithium battery
Optional kit includes 33% and 75% RH Calibration Standards and hard vinyl carrying case

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Rugged 3-in-1 Meter Measures Humidity, Temperature and Air Velocity

Ergonomic pocket size housing with large dual LCD simultaneous display of Temperature and Air Velocity or Relative Humidity
Data Hold to freeze the displayed value
Records Min/Max readings
Built-in low friction vane wheel improves accuracy of air velocity in ft/min, MPH, m/s, km/h and Knots
Built-in precision thin-film capacitance humidity sensor for fast response
Built-in thermistor for ambient temperature measurements
High temperature measurements using Type K thermocouple
Defaults to last function when powered off
Auto power off 10 minutes after last key is pressed with disable feature
Low Battery and over-range indication
Complete with built-in humidity sensor and vane wheel, wrist strap, and 9V battery
Optional Type K thermocouple probe

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Temperature/Humidity Datalogger Features:

Use in storage containers, shipping vans, freezers and more
Logs data for days, weeks or months - up to 1 year battery life
Multiple Dataloggers can be programmed and data downloaded from one single docking station
Programmable sampling rate from 1 sec to 2 hours plus Hi/Lo limits with alarm indication
Program the logger, analyze and store data using Windows 95/98/2000/NT/ME/XP compatible software
Three start methods: Scheduled, immediate or magnetic
Real time clock stores date and time with data
Water resistant
Wide operating range:
Humidity: 0 to 100% RH
Temperature: -40 to 185øF (-40 to 85øC)

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Waterproof Pocket Size With Air Velocity, Temperature, %RH, Dew Point and Windchill

Fold up protective housing extends to 9" for better reach
Large dual display of air velocity and temperature
Data Hold to freeze most recent display
Auto shutoff 20 minutes after last key is pressed
Water resistant housing floats and drop tested to 6 feet
Complete with CR2032 lithium battery and lanyard
Relative Humidity and Dew Point
Dual display of air velocity and relative humidity
Measures RH from 10% to 95%
Measure Dew Point from 32 øF to 122 øF
Windspeed
Measures ft/min, MPH, m/s, km/h,Knots and Beaufort Force
Selectable averaging function of 5, 10, or 13 second intervals
Replaceable non-corrosive plastic wind vane (impeller)
Temperature & Windchill
Measures from 0-122 øF (-18 to 50 øC)

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Features:

Model 42275 - Temperature and Humidity Datalogger kit records up to 16,000 readings (8,000 readings for each parameter)
Use in storage containers, shipping vans, freezers and more
Logs data for days, weeks or months - up to 1 year battery life
Multiple Dataloggers (42260 or 42270) can be programmed and data downloaded from one single docking station
Programmable sampling rate from 1 sec to 2 hours plus Hi/Lo limits with alarm indication
Program the logger, analyze and store data using Windows 95/98/2000/NT/ME/XP compatible software
View temperature and humidity on LCD display
Three start methods: Scheduled, immediate or magnetic
Real time clock stores date & time with data
Waterproof : 42260 to IP65, Water resistant: 42270
Wide operating range:
Humidity: 0 to 100% RH (model 42270)
Temperature: -40 to 185øF (-40 to 85øC)

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See Technical Specs for details on TPI-712 upgrade kits

Accurately test flue gases in furnaces and domestic boilers to determine operation efficiency. Time/date documentation for future reference.

Measures CO, O2, pressure, and temperature
Calculates CO2 and gross or net efficiency
Works on High Efficiency furnace
Select between 4 fuels (Natural Gas, LPG, Light Oil, Heavy Oil)
Pump driven for fast response
Dual input differential manometer with 3 selectable units of measure: kPa, mBar, inH2O
Flue probe with built-in thermocouple
IR printer port - use optional A740 Infrared Printer
Soft carrying case
Protective rubber boot

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with Digital Clamp
IR Printer
Digital Manometer
Two 1/4" Brass T Fitting
Two static tips
6' Pressure Tubing

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See Technical Specs for details on TPI-708 upgrade kits

No furnace installation or service work should be performed without doing a gas leak test and a Carbon Monoxide (CO) Test. Combustion Efficiency Analyzer Three Tools in One! The 708 is an affordable combustion efficiency analyzer, CO analyzer, and a differential thermometer for residential and light industrial applications.

Measures CO, O2 and temperature
Calculates CO2, efficiency, excess air and CO air free
Selectable fuels: natural gas, light oil, heavy oil and LPG
Pump driven for fast response
Flue probe with built-in thermocouple
IR printer port - use optional A740 Infrared Printer
Soft carrying case
Protective rubber boot