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SOP for Operating Procedure of Data Logger

Standard operating procedure of data logger to perform Heat distribution study in Instrument DHS, Sterilizer, Oven (55°C)& Walk-In-Incubator.


To lay down the procedure for operation of data logger.


This procedure is applicable to perform Heat distribution study in Instrument DHS, Sterilizer, Oven (55°C) & Walk-In-Incubator.


3.1 Doing : Technical Assistant/Executive
3.2 Checking : Executive/ Manager


Head of the Department


5.1 Connect the calibrated probe to channel panel Located at the back side of instrument.
5.2 24 channel facility given in the Instrument.
5.3 Connect the plug in mains.
5.4 Switch ‘ON’ the mains.
5.5 Switch ‘ON’ the Instrument.
5.6 It will display ‘HALT’.
5.7 After 30 second it will display ‘rtd’.
5.8 Then push ‘FLD’ key to enter in field.
5.9 It will ask password.
5.10 Enter password ‘815’ with the help of Numerical keys 1 to 10 given on control panel.
5.2 The push ‘ETR’ key given on control panel to enter in field programme.
5.3 Push ‘1’ key to enter in Field 1.
5.4 It will display ‘dAt’. Enter Date & again press ‘ETR’ key.
5.5 It will display ‘n+h’. Enter month & Press ‘ETR’ key.
5.6 It will display ‘yr’. Enter year & press ‘ETR’ key.
5.7 It will display ‘Hr’. Enter Time in hour then press ‘ETR’ key. It will display ‘nts’. Enter minutes & press ‘ETR’ key.
5.8 It will display ‘FLd’.
5.9 Push ‘3’ to enter in field 3.
5.10 Field 3 is for scanrate programming.
5.11 It will display ‘SC’. Enter the required scan time in seconds. Then press ‘ETR’ key.
5.12 It will display ‘FLD’.
5.13 Press ‘4’ key to enter in field ‘4’.
5.14 It is for print interval.
5.15 Enter the required print interval time in seconds & Press ‘ETR’ key.
5.16 Now display show ‘FLd’. Press ‘5’ key to enter in Field 5.
5.17 Press ‘ETR’. It will display ‘ncH’. i.e. No. of channels.
5.18 Enter the no. of channels connected & press ‘ETR’.
5.19 It will display ‘COl’ ‘JP’ ‘OO’. Press ‘ETR’ key. It will ask ‘Type’.
5.20 For rtd the type no. is ‘7’. So press Enter ‘7’ for rtd.
5.21 Press ‘ETR’. It will ask for ‘ALr’. Press Enter ‘O1’ for low Alarm & Press ‘ETR’.
5.22 It will ask value. Enter the set point value by numerical keys & press ‘ETR’ key.
5.23 It will ask HiAL. Set high alarm value& press ‘ETR’ key.
5.24 It will show ‘CO2’ ‘JP’ i.e. setting for second channel.
5.25 If the setting of second channel is different. Set the values as shown in 1st channel.
5.26 If the same parameter is applicable for all channel. Press ‘CLR/PF’ key. To come out the programme.
5.27 So display will show ‘FLd’. Press ‘7’ & press ‘ETR’. So display will show ‘CAL’ i.e. Field 7 is for Calibration.
5.28 Press CLR/PF. The display will show ‘FLd’.
5.29 Press ‘RST’ key to run the programme.
5.30 After completion of work switch ‘OFF’ the Instrument & Switch ‘OFF’ the mains.
5.31 Disconnect the probes from channel.


6.1 No. =Number

Ankur Choudhary is India's first professional pharmaceutical blogger, author and founder of Pharmaceutical Guidelines, a widely-read pharmaceutical blog since 2008. Sign-up for the free email updates for your daily dose of pharmaceutical tips.
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