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Spectrum 3445, Product Manual, Page: 7 / 8

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Spectrum 3445 Product Manual Download Page 7

7 

Troubleshooting 

Unable to power on 
Check that the power adapter is plugged in. 
 
Slow sensor response 
Check whether the air flow channels on the back of the meter 
are blocked.  
 
Error messages 
E01: CO

2

 sensor damaged. 

E02:   The value is under range.   
E03:   The value is over range. 
E04:   Error code for dew point or wet bulb accompanying a 
 

primary sensor failure code. 

E07:   Too low voltage to measure CO

2

. 

            Replace batteries.   
E11:   Retry humidity calibration.  
E17:   Retry CO

2

 calibration. 

E31:   Temperature sensor damaged.  
E34:   Humidity sensor damaged.  

Summary of Contents for 3445

Page 1: ...Temp RH CO2 Wall Mount Meter PRODUCT MANUAL Item 3445 ...

Page 2: ...long term monitoring Please read this manual thoroughly before using your meter Specifications CO2 Range 0 2000 ppm CO2 Accuracy 50ppm 5 of reading Temperature Range 14 to 140 F 10 to 60 C Temperature Accuracy 0 9 F 0 6 C Humidity Range 0 0 to 99 9 RH Humidity Accuracy 3 RH 10 to 90 RH else 5 RH Warm up 30 seconds Power Supply 100 240VAC adapter to 12VDC Pressure Dependence 0 16 of reading per 1 h...

Page 3: ...e Keypad SET Enter Setup mode Save and finish settings CAL ESC With Up DP WB enter CO2 calibration With MX N AVG Down enter RH calibration Exit Setup mode RESET Reset meter and clear Max Min values Terminate calibration process Up DP WB Select AIR DP WBT temperature display Select mode or increase value in setup or calibration MX N AVG Down Activate MAX MIN STEL TWA display Select mode or decrease...

Page 4: ...isplay between air dew point and wet bulb temperatures MIN MAX STEL TWA Press the MN X AVG Down button to switch between the nor mal minimum maximum and weighted average readings In MIN and MAX modes the minimum and maximum readings for CO2 air dew point wet bulb temperature and RH will dis play In STEL and TWA modes the display shows the weighted average of the CO2 readings for the past 15 minute...

Page 5: ...LCD Press the SET button to enter P3 1 to set the temperature units The cur rent units C or F will be displayed on the lower left area of the LCD Press Up DP WB or MN X AVG Down to switch between C and F Press the SET button to save the set ting or CAL ESC to exit without saving P4 0 ABC Selection ABC Automatic Baseline Calibration implements baseline calibration to eliminate the zero drift of the...

Page 6: ...e than 1 sec ond ABC Automatic Baseline Calibration After enabling ABC see Setup P4 0 above place the meter in a well ventilated area for 7 days to set it to an ambient level of 400ppm RH Calibration Humidity calculations on the meter can be recalibrated using 33 and 75 salt solutions Ambient conditions should be at 25 C or 77 F with stable humidity Plug the sensor probe into a 33 salt bottle Hold...

Page 7: ...r are blocked Error messages E01 CO2 sensor damaged E02 The value is under range E03 The value is over range E04 Error code for dew point or wet bulb accompanying a primary sensor failure code E07 Too low voltage to measure CO2 Replace batteries E11 Retry humidity calibration E17 Retry CO2 calibration E31 Temperature sensor damaged E34 Humidity sensor damaged ...

Page 8: ...ip the product s properly packaged against further damage back to Spectrum at your expense Clearly mark the RGA number on the outside of the package Spectrum is not responsible for any package that is returned without a valid RGA number or for the loss of the package by any shipping company Warranty This equipment has been manufactured for Spectrum Technologies Inc 12360 S Industrial Dr East Plain...

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