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T: 514-354-2511
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Temperature, Humidity and CO2 Datalogger Environment

Temperature, Humidity and CO2 Datalogger

Product Code:7001 D

Need more Info? (514) 354-2511 - 1-800-463-4363

Equipped with Telaire's patented dual beam Absorption Infrared® technology, the Telaire® 7001D Combines the easy-to-use Telaire® 7001 with a pocket-sized Hobo® datalogger from Onset Computer Corporation. The Telaire® 7001D is designed for use in residential or commercial applications and now has the ability to calculate and display the cfm/person ventilation rate as well as record CO2, temperature, and RH data over time. The Telaire® 7001D is th eideal tool for identifying energy saving opportunities in over-ventilated spaces, determining if air quality complaints are due to insufficient ventilation, or locating th epresence of combustion fumes generated from vehicles and appliances. The Telaire® 7001D comes with everything you need to record CO2, temperature, and relative humidity data and graph the information on a PC.



Method Dual Beam Absorption Infrared™
Sample Method  Diffusion or flow through (50-100 ml/min.)
Warranty  18 months parts and labor
CO2, channel Measurment Range  0-4,000 ppm voltage output/0-10,000 ppm display
Sensitivity  ± 1 ppm
Accuracy  ± 50 ppm or ± 5% of reading, whichever is greater
Repeatability  ± 20 ppm
Temperature Dependence ± 0.1% of reading per °C or ± 2 ppm per °C, whichever is greater, referenced to 25°C
Pressure Dependence 0.13% of reading per mm Hg (corrected via user input for elevation)
Annual Drift  ± 20 ppm typical
Response time  <60 seconds for 90% of step change
Warm-up time <60 seconds at 22°C
Operating Conditions  32-122 °F (0-50 °C)/0-95 RH, non-condensing
Storage Temperatures  -40 to 140°F (-40 to 60 °C)
Calibration interval 12 months offset adjustment using singles gas at 0-1000 ppm CO2. Full factory calibration available
Temperature Channel
Temperature Range

Voltage output: 32 to 104°F (0 to 40°C)

Display: 32 to 122°F (0 to 50 °C)

Display Resolution  0.1 °F (0.1 °C)
Display Options  °F, °C, or Off. Set with panel button.
Accuracy ± 2 °F (± 1 °C)
Response Time 20-30 minutes (case must equilibrate with environment)
Calibration Interval  12 months, offset adjustment using temperature standard at 50 to 86°F (10 to 30 °C). Full factory calibration available.
CO2 0-4 VDC, 1mV/ppm (4,000 ppm max)
Temperature  0-4 VDC, 1mV/ppm (0-40 °C)
Output Independance  100 Ohms
Wiring connection  Via Rj-45 to DB9 serial port cable (for use with CO2View™ PC Graphing Software)


Temperature (internal sensor)
Range  -4°F to + 158 °F Range for internal sensor when used outside of case: -40 °F to + 158 ° (-40 °C to + 120 °C)
Accuracy  ± 1.27 º F (± 0.7 ±C) at + 70 º F
Resolution  0.7 º F (0.4 ºC) at 70 º F
Response time  still in air 15 min. typical with sensor inside case; i min. typical with sensor outside case.
Relative Humidity (User-replaceable RH sensor)
Range 25% to 95% RH at +80ºF for intervals of ≥ 10 seconds, non-condensing and non-fogging, see plot below
Accuracy  ± 5%
Response time  10 min. typical in air
Sensor operating Environment  + 41°F to + 122°F non-condensing and non-fogging
External Input  Acceots the following sensors: Wide range of temp sensors (TMCx-Hx series). Split-core CTs for AC current (5 models). 4-20 mA input cable (CABLE-4-20 mA). 0-2.5 V DC input cable (Cable-2.5-Stereo)
External 2.5 Volt Input
2.5 mm jack  External input ground, input, switched 2.5 V output; external input ground connection is not the same as PC interface connection ground and should not be connected to any external ground.
Input Range 0 to + 2.5 Volts DC
Accuracy ±10 mV ± 1% of reading
Resolution 10 mV (8-bits)
Out Power + 2.5 Volts DC at 2 mA, active only during measurments


Display  LCD with independant CO2/Temperature readings (panel buttons set elevation, °F/°C, calibration functions)
Power Supply
Battery Type  Four AA batteries, not included
Battery Operation  80 hours (alkaline)
External 6 VDC from external AC/DC adapter, included
Power Requirements 100 mA Peak, 20 mA average from 6V
Certification FCC Class 15 Part B


2075 Calibration Kit  Come with regulator, tubing and gas. The kit can perform up to 20 calibrations.
2080 CO2 View™  Graphing Software for logging CO2 concentrations directly to a PC


• Identify Areas with low or substandard ventilation
• Identify Hidden energy savings in over ventilated spaces
• Determine if ventilation is a factor in air quality complaints
• Locate the presence of combustion fumes from vehicles and appliances
• Use as a reference to calibrate wall mounted CO2 sensors

About the CFM/Person Ventilation Rate Measurment

The 7001 will calculate the outside air ventilation rate to a space based on the inside/outside CO2 differential readings. Outside readings can be established by measuring outside levels and holding the "enter" button on the sensor for 5 seconds. The outside reading can also be manually set using the - on-board keypad and display (default 400 ppm).Accurate interpretation of the Ventilation Rate Indicator requires a measuring 2 to 3 hours after occupancy has stabilized in a space or at a peak in daily CO2 concentrations. In other conditions the indicator may tend to over estimate ventilation rates. The ventilation Rate display assumes a people activity level in the measured space similar to an office type environment (1.2MET). If higher levels of activity are present the indicator may tend to under estimate ventilation levels.

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