Telaire 7001 Bedienungsanleitung

TEL"

















  

  

   

  

  

  

  

 

  C02tT 



















 

















 

 





®  







 



 



 





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



















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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

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Page 2 Telaire 7001 CO2and Temperature Monitor

CO2/Temperature Monitor Operation

Before using the Telaire 7001 monitor, it is important to make the

elevation correction outlined below.

Elevation Correction

The sensor, like any other gas measuring device, is affected by altitude

changes. The sensor is shipped with the elevation setting at “zero” or sea

level. If you are located at an altitude higher than 500 feet, an adjustment

should be made to assure the maximum sensor accuracy. Once the

elevation correction is set, it will be stored and saved in the monitor

memory.

To change the default setting, do as follows:

1. Press the Mode button

until ELEVATION begins to

blink.

2. Press Enter.

3. Press Mode to toggle the

elevation reading between

feet (ft) and meters (m).

4. Use the Up/Down button

to adjust the altitude in

increments of 500 feet or

100 meters. Once the

correct altitude is set,

press Enter to save the

setting and return to

normal mode.

Temperature or CFM/person

The lower display will cycle through the following units when the Up/

Down button is pressed:

Temp °F, Temp °C, CFM, turn lower display OFF.

Stand-Alone Monitoring

Once the elevation correction has been made, as described above, the

sensor will begin to accurately display current room conditions.

Using an External Datalogger

Voltage output for both CO2 and temperature are available via an RJ-45

jack located on the rear of the unit.

Ventilation Rate (cfm/p)

The ventilation rate is defined as the value that represents how much

outside air is being introduced on a CFM per person basis.

Overview

Press the up/down button until cfm/p is displayed. This value represents

how much outside air is being introduced on a CFM per person basis.

The reading is derived from calculating the outside air ventilation rate to

a space based on the inside/outside CO2 differential readings.

The current codes/standards generally require 15 to 20 CFM/Person to

be delivered to most spaces to ensure acceptable air quality. Low values

indicate low ventilation rates and potentially poor air quality. High levels

indicate excessive ventilation and potential excessive energy usage. To

obtain accurate measurements, readings should be taken 2 to 3 hours

after occupancy has stabilized in a space or at a peak in daily CO2

concentrations.

Adjusting the Outside CO2 Concentration

The sensor is factory set to assume an outside level of 400 ppm, which

should be close to the outside concentration in most areas. The outside

level of CO2 can be changed by measuring outside levels or by manually

adjusting the monitor, using the following procedure:

1. Power up outside and wait for CO2 levels to stabilize (approx. 5

min).

2. Save the reading by holding the Enter button on the sensor for 5

seconds.

3. This value is used to calculate the ventilation rate based on the

differential of the measured outside value and into measured inside

concentration.

Manual Input of Outside Concentration

The monitor is factory set at 400 ppm. To adjust the factory setting (for

the CFM/person calculation) or to verify the current setting follow the

steps below:

1. Press the Mode button until CO2 and ppm flash.

2. Press the Enter button and the current outside value will display.

3. Use the Up/Down button to increase/decrease the CO2 value.

4. Press Enter to save and store the value in the monitor.

Telaire 7001 CO2and Temperature Monitor Page 3

Calibration (CO2)

IMPORTANT: The sensor has been factory calibrated and

should be recalibrated once every 12 months,

using either a zero concentration gas or a gas

with a specified concentration of CO2. For the

most accurate field calibration Amphenol

Advanced Sensors recommends purchasing a

Telaire calibration kit, PN 2075.

Sensor drift usually occurs at the zero

reference point. The manual calibration

process allows the user to perform a one point

calibration based on ambient levels or by

flowing a gas of a known concentration

through the sensor. This process will adjust the

zero offset of the sensor and will provide an

accurate calibration. If a two point calibration

is required, the calibration kit should be used.

To calibrate manually, complete the following

steps:

1. The calibration procedure will last approximately 15 minutes.

Before performing the calibration procedure, remove the battery

cover to access the calibration activation switch. Connect the

supplied AC adapter to the back of the sensor or ensure new

batteries are installed.

2. Power up the sensor and wait for the warm-up to end.

3. Verify the elevation correction has been set. Refer to the procedure

outlined in“Elevation Correction” on page 2.

4. If you are calibrating to ambient conditions, make sure the sensor is

displaying a stable reading. Avoid breathing in the area of the

monitor. If you are flowing gas to the calibration port of the sensor,

allow the gas to flow for at least 10 minutes before initiating

calibration.

5. Press the Mode button twice. The calibration mode will begin

blinking.

6. Press Enter.

7. Use the Up/Down button to adjust reading to the current ambient

conditions or concentration for the gas being used. Pressing the

button once will change the readings in increments of 10 ppm. To

increase the speed, press and hold the button.

Note: For best accuracy, a reference or known concentration of

CO2 should be used when adjusting the reading. Bottled

nitrogen can be used to provide a zero concentration gas.

8. Locate the push button on the back side of the unit (under the battery

cover, in the small round hole to the right of the connector jack).

Using a small pointed object, depress and hold the switch for 5

seconds. CALIBRATION will begin to blink.

9. Press Enter.

10.Calibration inProgress will begin to blink. At this point the unit will

program itself based on the CO2 value that was entered in step 7

above. The calibration process will take approximately 5 minutes.

11. When the calibration is completed, the display will return to the

steady Calibration mode. Press Enter to return to the normal

operation mode.

Temperature Adjustment

Use this procedure to adjust the temperature output when you wish to

have the temperature output match a reference sensor. The accuracy of a

field adjustment is dependent upon the stability of the environment in

which the procedure is performed and upon the accuracy of the reference

sensor.

Adjust the temperature output as follows:

1. Connect the supplied AC adapter to the back of the sensor. If you do

not have the AC adapter, new batteries should be used.

2. Power up the sensor and place in a stable environment, free of drafts

or temperature changes. Wait 30 minutes for the unit to fully

stabilized in the operating environment. Do not hold the unit in your

hand during this period. Press the mode button until the blinking

word TEMPERATURE appears.

3. Press Enter. Both the word TEMPERATURE and the numeric

temperature display will begin blinking in unison.

4. Use the Up/Down button to adjust the temperature reading to match

the reference.

5. Press Enter. The temperature offset is immediately adjusted, the

blinking stops, and the unit is now in normal operating mode.

Accessories

The following accessories are provided with the Telaire 7001 CO2 /

Temperature Monitor:

1. CO2View™ Real-Time Graphing/Calibration Software 2080 - This

software allows the Telaire 7001 Monitor to log directly to a

Windows compatible PC and graph concentrations in real time

(includes RS232 cable). The software also includes an interface that

allows the user to perform a zero and span calibration on the sensor.

2. HOBO®Data-Logger Kit CO2- Temp & RH 2077 - This is a small

datalogger which is mounted on the back of the monitor. It records

CO2, Temp, and Relative Humidity. It has the capacity of storing

over 7,900 data points and samples at a user adjustable time interval.

It also includes the graphing software.

3. 2070Datalogging Cable - This cable connects the monitor to a third

party devices. It includes two leads for the CO2 and temperature

outputs.

4. Calibration Kit 2075 - This kit includes the necessary equipment to

perform zero calibration.

Page 4 Telaire 7001 CO2and Temperature Monitor

Specifications

The Telaire 7001 Monitor meets all the specifications listed below.

Method

Dual Beam Absorption Infrared™

Display - LCD

•Independent CO2 and temperature readings.

•Calculates and displays ventilation rates

Sample Method

Diffusion or flow through (50 - 100 ml/min)

Performance - CO2Channel

Measurement Range:

•0 -10,000 ppm display

•0 - 4,000 voltage output

Display Resolution

± 1 ppm

Accuracy

±50 ppm or ±5% of reading up to 5,000 ppm (above 5,000 ppm not

specified)

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)

Response Time

< 60 seconds for 90% of step change

Warm-Up Time

< 60 seconds at 22 °C

Calibration Interval

12 months, offset adjustment using single gas at 0-1000 ppm CO2

Full factory calibration available.

Performance - 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.

Outputs

(Analog) CO2

0-4 VDC, 1 mV/ppm (4,000 ppm max)

Temperature

0 - 4 VDC linear, 32 to 104°F (0 to 40°C)

Output Impedance

100 Ohms

(Digital)

RS232 for use with Telaire®CO2View™ Graphing Software

(Wiring Connection):

•One RJ-45 Connector

•Dual analog output plus digital output

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 6 V

General

Operating Conditions

•32 - 122 °F (0 - 50 °C)

•0 - 95% RH, non-condensing

Telaire 7001 CO2and Temperature Monitor Page 5

Storage Temperatures

-4 to 140 °F (-20 to 60 °C)

Certifications:

•FCC Class 15 Part B

•CE

This product is covered by one or more of the following patents:

5,650,624/5,721,430/5,444,249/5,747,808/5,834,777/5,163,332/

5,340,986/5,502,308/6,344,798/6,023,069/5,370,114/5,601,079/

5,691,704/5,767,776/5,966,077/6,107,925/5,798,700/5,945,924/

5,592,147/6,255,653/6,250,133/6,285,290

mphenol

Advanced Sensors

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

TestEquipmentDepot.com

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