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T8148

Programmable indoor transmitter of temperature

and CO

2

concentration with 4-20

mA output

T8248

Programmable indoor transmitter of temperature

and CO

2

concentration with 0-10

V output

Instruction Manual

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Summary of Contents for T8148

Page 1: ...48 Programmable indoor transmitter of temperature and CO2 concentration with 4 20mA output T8248 Programmable indoor transmitter of temperature and CO2 concentration with 0 10V output Instruction Manu...

Page 2: ...rary in FAST mode no software filter is used for calculating the output value This fact adds a noise of typ 30ppm which has to be considered in terms of accuracy Of principle measurement is the measur...

Page 3: ...s heating elements and other heat sources air handlers windows doors into racks and shelves and similar places For buildings with less thermal insulation there is not suitable to place them on externa...

Page 4: ...t screwdriver beyond the fastening member about 2 cm deep Then slightly move screwdriver in arrow direction it unlock fastening member and the device is partially opened Remove the screwdriver and tak...

Page 5: ...utput range settings can be verified without a use of the computer by pressing the button on the left side of the device button is placed behind small hole see picture For button pressing use thin ins...

Page 6: ...ation cable to the PC Installed USB driver detect connected cable and create virtual COM port inside the PC Unscrew four screws of the device lid a remove the lid If device is already installed to mea...

Page 7: ...se when the device is connected to the PC via the optional SP003 communication cable and external power supply is not used Technical parameters T8148 temperature and CO2 concentration transmitter Outp...

Page 8: ...C Operating humidity range 5 to 95 RH no condensation Operating pressure range 850 to 1100 hPa Recommended interval of calibration 5 year CO2 2 years temperature Protection IP20 EMC EN 61326 1 EN 5501...

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