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  IE-LOG-S3121P-03 

Reading on the display in usual operation (logger switched ON) 

 

After switching ON the logger all LCD symbols are displayed for checking 
the display. 
 
 
Then actual date and time in logger is displayed for approximately 4 s. 
 
 
 
Consequently  reading  of  estimated  remaining  battery  capacity  for 
approximately 2 s is displayed (values 0 to 100%). 
 

If display is switched ON

, actual reading of measured values is displayed -  

ambient temperature (°C) on the LCD upper line, relative humidity (%RH) 
on the LCD lower line. Symbol LOG indicates data logging in progress – if 
it blinks, data memory is filled up to more than 90%. 
Every 5 s display is automatically switched to displaying of other measured 
or calculated quantity. 
 
Logger now displays ambient temperature and dew point temperature (LCD 
line marked by symbol DP). 
 
Switched  ON  logger  permanently  (with  10  s  interval)  updates  memory  of 
minimum and maximum values of each measured (or calculated) quantity. If 
displaying of MIN/MAX values is  selected, minimum  measured values are 
displayed  step  by  step  (indicated  by  symbol  MIN)  and  then  similarly 
maximum  measured  values  of  all  quantities  (indicated  by  symbol  MAX). 
The  entire  cycle  is  repeated  periodically,  i.e.  reading  of  actual  measured 
values follows. 
 

If  display  is  switched  OFF,

  all  above  readings  are  displayed  up  to 

estimated remaining battery capacity and then display goes out. If logger is 
switched  ON  symbol  LOG  is  displayed  (it  blinks  if  memory  occupation  is 
higher than 90%). 
 
If display is OFF and logger is in mode when record runs only when alarm is 
active,  the  LOG  symbol  is  replaced  by  adjacent  symbol  "–"  (hyphen).  It 
appears in case, all measured values are inside of adjusted alarm limits and 
data  logging  therefore  does  not  run.  Displayed  symbol  indicates  logger  is 
ON. 

 
If  information  on  actual  measured  values  is  needed,  it  is  possible  anytime  to  display  reading 

display by means of the magnet (only if communication adapter is not connected permanently). Plug 
magnet  into  guide  slots  from  logger  front  side  for  approximately  4  s  and  wait  till  reading  on  the 
display appears. If logger has enabled the function switch OFF by magnet,  do not remove magnet 
from  guide  slots  before  decimal  point symbol goes out  – logger would be switched OFF! Display 
reading initialized by magnet goes out automatically after 30 s. Remove magnet from slots anytime 
during actual reading is ON or later. 

 

Summary of Contents for LOGGER S3121P

Page 1: ...LOGGER S3121P Temperature and relative humidity logger with external probe for compressed air measurement Instruction Manual...

Page 2: ...led for each quantity individually Logging mode can be adjusted as non cyclic when logging stops after filling the memory In cyclic mode oldest stored values are overwritten by new In addition logging...

Page 3: ...0 to 105 C Resolution 0 1 C Accuracy 1 5 C at ambient temperature T 25 C and relative humidity RH 30 for more details see graphs below Response time with stainless steel mesh cover air flow approximat...

Page 4: ...s of temperature and humidity should not get to direct contact with water or other fluids Limit condition logger without probe temperature 40 to 70 C humidity 0 to 100 RH Storing condition temperature...

Page 5: ...ary Logging interval between to subsequent measurements is specified by the user Memorizing of the first value is synchronized with the internal real time clock so the logging is performed at sharp mu...

Page 6: ...maximum measured values of all quantities indicated by symbol MAX The entire cycle is repeated periodically i e reading of actual measured values follows If display is switched OFF all above readings...

Page 7: ...essages displayed on the LCD beyond usual operation If measured value is out of the measurable or displayable range numeric reading is replaced by hyphens If memory is totally full filled in non cycli...

Page 8: ...e magnet from guide slots and logger switches ON Switching the logger OFF by magnet The procedure is identical with the above procedure for switching ON If decimal point does not appear after 1 s it i...

Page 9: ...ger Attention inserted battery with incorrect polarity causes logger damage put the lid back again and screw four screws Be careful to have the rubber sealing properly in the slot and tighten the scre...

Page 10: ...rrupting the main line closing valve 5 the sample flow is regulated by this valve Measurement accuracy is typically not affected by the sample flow rate but at low speeds increasing response time outl...

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