ST-50A / ST-50M
Contents
1. AC2. nig AV
3. AC AC AC PP AP ALAS OPE AP POP Ok
4. A amp AC AC Di MRR OBE WEED ZO
5. SD ST 50M SD A ICAL Comes on when the sensor is calibrated or when the pen position is adjusted CLEAR Comes on or blinks when clearing any set point INTERVAL ST 50M only Comes on when setting the SD card writing cycle Chart speed SD card information indicator REMAIN ST 50M only Comes on when displaying the remaining space on the SD card SPEED mm h Comes on when setting and displaying the chart speed J ST 50M only Comes on when setting and displaying the date 10 Displays the current chart speed various setting items and setting values s m h D MJ ST 50M only Displays the current SD card recording cycle and the units of the available time left in the SD card seconds minutes hours days months Control Panel indicates a switch or a key POWER Switch Turns the power supply ON OFF or st
6. 12 2 Ai POWER AT vy FEO Connector Clamp 12 3 5 802 803 Sensor check For your information we recommend an annual inspection of the instrument when used at normal temperature and in normal humidity or semiannual inspection when used
7. Sensor Extension cable Sensor connector A POWER E Pen replacement mode Turn ON the power switch then press the W and EN TER keys together The MODE indication appears and PEn blinks in the LCD The PEn will stop blinking when the temperature recording pen and the humidity recording pen get posi tioned on the chart paper 25 mm from the left side and 25 mm from the right side respectively See the paragraph Setting Replacing pen to replace the pen To return to the normal measurement screen press the v and ENTER keys together again E Connecting AC adapter To use the AC adapter connect it to the AC adapter ter minal on the side panel of the body While the AC adapter is used the AC indication is displayed as shown in the figure If it is used together with battery the priority will be given to the AC adapter In this case the battery will be a backup if the power supply is cut off due to a power failure m A CAUTION When the AC adapter and the battery are used togeth er disconnect the AC adapter periodically to check the battery li
8. 5 1 2 a FAX E Mail b 178 8686 7 24 14 TEL 03 3978 2333 FAX 03 3922 2144 E mail recorder sekonic co jp The contents of this Operation Manual is subject to change without prior notice fE 178 8686 7 24 14 TEL 03 3978 2333 FAX 03 3922 2144 SEKONIC CORPORATION Head office 7 24 14 Oizumi Gakuen cho Nerima ku Tokyo 178 868
9. SD POWER Penholders B The batteries should j be replaced temperature the battery will run short quickly Use the AC adapter Option in such an environment If the remaining battery level be comes low the battery level indicator may show an extremely low level when the power is turned on or when the pen is moved In this case a reset may be applied or writing to the SD card may not be performed Please be aware that this is not a malfunc tion E Setting Replacing recording pens Turn OFF the power switch Raise the penholder lightly in direction of arrow Remove the pen cap and insert each pens into pen holders firmly Have the pen chip reach the chart paper slo
10. Stopper Ait Chart paper Chart holders Ait
11. 230mm Ait amp 2 9kg 230 230mm abt 9 06 in Holes for hanging on wall Be sure to check the following points when installing the instrument The inclination of the body should fall within 10 de grees both against the horizontal and the vertical when hanged on the wall The instrument should always stand as shown in the fig ure If laid down it may not work normally When hanging it on the wall fix the two screws 230 mm 9 06 in apart from each other m A CAUTION The instrument weighs 2 9 kg approx including bat teries When hanging it be sure to use the wall and screws strong enough to hold 10 kg weight example Material of screw Steel 3mm abt 0 12 in 5mm abt 0 20 in 7mm abt 0 28 in 15mm abt 0 59 in 3mm Approx T Wall E E D a Q 5mm Approx 15mnYApprox 3 Chapter 3 Preparation for Measurement
12. 4 v ENTER ALARM 1 i amp A4 LI Ta 4 v ENTER 7 4 ALARM oo Tai 1 CLEAR HL HL V ENTER i AG ALARM 6 22 7 3 Setting humidity alarm After setting the lower limit of the temperature press the ALARM key once A3 and H will be on the dis
13. pt v eT 11 When the humidity is stabilized press the ENTER key The 75 0 indication will start blinking Use the 4 or W key to enter the humidity value that corresponds to the present temperature shown on the humidity calibrator or the value indicated on the humidity bath then press the ENTER key The indication on the left side starts count from 1 to 5 then the humidity indication will stop blinking to show the setting has been completed Press the ALARM key to return to the Sensor calibra tion status screen A CAUTION When this setting has been completed all the keys but the ALARM key will be inactive If the 2 point calibration of the humidity sensor is made the humidity value calibrated in paragraph 10 3 will become invalid To cancel this setting press the ALARM key and proceed to the next setting item 10 5 To initialize the calibrated value Follow the procedure below to initialize the calibrated val ue If it is not necessary skip this paragraph When the Sensor calibration status screen CO is dis played press the ALARM key 5 times The C9 indi cation will appear with the CLEAR indication blinking on the screen Press the W and ENTER keys together The cali brated value will be cleared and the S
14. 9 1 Pen trace offset compensation POC E Function overview When recording the temperature and humidity on the chart paper those two traces inevitably have the different time axes due to the positional difference of the recording pens Use this function to compensate the distance and align the time axes Reference The table below shows the reference between the chart speed and time required for the two traces to synchronize agree with each other in time axis Chart speed Time 20mm h 7 5 minutes approx 10mm h 15 minutes approx 5mm h 30 minutes approx 2 5mm h 1 hour approx Temperature recording pen Red Chart paper Humidity recording pen Blue 3 i E 7 py a m m m Distance between time axes 20mm h 7 5 10mm h 15 5mm h 30 2 5mm h 1 POC POWER 2 ON
15. 10 10 25 25 A ENTER FUNCTION 1 faj Ble 6 2 Setting humidity recording range Before setting make sure that the DIP switches No 3 and No 4 are turned ON Press the FUNCTION key six times Seven times when the SD card is inserted and the SD Card Re cord switch is set to OFF while the normal mea surement screen is displayed MODE and r2 will appear and the present central humidity of the chart will blink on the left side will blink instead if the recording range has not been changed from the initial setting 0 to 100 RH Change the humidity to be recorded in the center of the chart paper with the 4 or W key then press the ENTER key The central humidity will stop blink ing to show the setting has been completed Then the present recording range will blink on the right side of the screen Set the recording range 10 10 or 25 25 from the central humidity with the 4 or W key then press the ENTER key The recording range will stop blinking to show that setting has been
16. 4 v SD 4 4 4 SD 1 a v 2 4 vw 2 4 1 SD 2 3 4 ON A FUNCTION ALARM MARK ENTER DEW POINT AB SOL HUMINITY ENTER In the ST 50M the 4 and keys can be pressed from the normal measurement screen to change the various dis play indicators Press W key Normal measurement
17. Ta ial ALARM 2 1 in P C3 D CAL ij ENTER mm Vi a 77 ENTER 4 ALARM A ALARM 10 4 2 BRIE E 33 RH D ARO A Tai ALARM 3 2 i Pl C 5 cr ENTER 5 33 5 RH imm ENTER 33 0 mela WwW ENT
18. Safety Information This is a Class B product based on the standard of the Voluntary Control Council for Interfer ence from Information Technology Equipment VCCI If this is used near a radio or television receiver in a domestic environment it may cause radio interference Install and use the equip ment according to the instruction manual Pictorial Symbols The following warnings and cautions are intended to prevent you and other people from being injured and to prevent properties from being damaged Please be sure to obsreve them to ensure your safe use of the instrument Various pictorial symbols are used in this manual Please peruse the following descrip tions before proceeding to the text A WARNING Indicates a potentially hazardous situation that could lead the operator to death or setious injury A CAUTION Indicates a potentially hazardous situation that could lead the operatoe to slight injury or could cause physical damage Examples of Pictorial Symbols Action liable to cause smoking or fire Action liable to get an electric shock Prohibition of disassembling or modifying actions Instruction to unplug the instrument for safety A A S Action prohibited A Iig ACT ITA AC
19. 4 Chapter 15 Specifications s Temperature Semiconductor Sensor ensor Humidity High Molecular Electrostatic Capacity Sensor 20 C 50 C 0 F 120 F Temperature 20 C 80 C 0 F 170 F with Sensor Extension Cable Measurement Ranges Humidit 20 90 RH No Condensation y 0 100 RH with Sensor Extension Cable No condensation Resolution 0 1 C 0 1 F 0 1 RH Temperature 20 C 80 C 0 F 170 F Humidity 0 100 RH Display LCD Display interval 10 seconds standard mode 60 seconds Energy saving mode Dew Point 80 C 80 C 112 F 170 F Recording Others Absolute Humidity 0 290g m3 Battery Checker Alarm Chart Speed Set Up Mode etc Fiber Tip Pen Ink Lower Pen Temperature red Upper Pen Humidity blue Chart Paper Z Fold Type 12m 39 37 ft L 113mm 4 45 in W Folding pitch 40mm 1 57 in Working width 100mm 3 93 in for both Temperature and Humidity Feeding Sprocket Feeding Accuracy 3mm 0 12 in at 12m 39 37 ft Long Recording Battery Service Life Battery Service Life Recording Period Chart Speed Recording Cycle Reference only Standard Mode Energy Saving Mode ST 50A ST 50M ST 50A ST 50M 2 5mm abt 0 10 in H 6minutes 6months 3months 3months 6months 4months 5 0mm abt 0 20 in H 3minutes 3months 3months 3months 3months 3months 10 0mm abt 0 39 in H 1
20. PEnl ENTER AC AC AC DPF 5 o IH AC ETEC ILY ACI m Bea Iu h mm AC At AC AC 5m 20m 50m 3
21. SD http www sekonic co jp A WARNING Precautions concerning AC adapter When a the AC adapter to the instrument and a plug receptacle be sure to turn the power switch OFF 16 When removing the inserted plug from the instrument or from the plug receptacle never pull the cord Never use any AC adapter other than the one provided by us Refer to Chapter1 2 Precautions concerning battery Do not charge short circuit disassemble heat or throw battery in fire Before replacing the batteries be sure to turn the power switch OFF Be sure to check the direction of the positive and negative poles carefully before inserting the batteries Do not mix new and old batteries or other types of batteries When not using the instrument for a prolonged period remove the batteries from the instrument If leakage occurs wipe out the fluid from the battery box then insert new batteries Using the instrument in abnormal situations may result in fire or getting an electric shock If any abnormal odor sound or smoke comes from the instrument immediately turn off the power switch then remove the batterie
22. 27 10 4 2 point calibration of humidity sensoror 27 E Calibration at 33 RH eeeecceeeeereecteeeeeeennees 27 E Calibration at 75 RR aa 27 10 5 To initialize the calibrated value ue 28 Chapter 11 Pen Position Adjustment 11 1 Periodic inspection ccccceccceeeseeeeereeeeees 28 11 2 To check the adjustment status 28 11 3 Adjusting temperature recording pen position 29 11 4 Adjusting humidity recording pen position 29 11 5 To initialize the adjusted value een 29 Chapter 12 Maintenance 12 1 SFunction overvieW ee 30 12 2 Replacement of sensor assembly 30 12 3 Replacing the clock backup battery 30 Chapter 13 Data Files ST 50M Only 13 1 File NAMES ssn 32 13 2 Data COME Nt iineoa nars 32 Chapter 14 Troubleshooting 14 1 Troubleshooting tpS 33 14 2 List of Error Messages 33 Chapter 15 SpecificationS 35 1 Chapter 1 Machine Call outs Side view T t s P Front view emperature es Wk sz ab tA Humidity recording pen Sensor terminal H SD Sensor lt SD card LCD
23. ON 1 OFF 0 19 Comment Date Time Temp Unit D P Unit AlmH AlmL H L Humi Unit A H Unit AlmH AlmL H L Comment 2008 09 10 00 00 26 26 1 C 12 0 C OFF OFF 0 0 41 7 RH 10 1 g m 3 OFF OFF 0 0 2008 09 10 00 06 26 26 2 C 12 1 C OFF OFF 0 0 41 7 RH 10 1 g m 3 OFF OFF 0 0 2008 09 10 00 12 26 26 2 C 12 1 C OFF OFF 0 0 41 5 RH 10 1 g m 3 OFF OFF 0 0 2008 09 10 00 18 26 26 2 C 12 1 C OFF OFF 0 0 41 5 RH 10 1 g m 3 OFF OFF 0 0 2008 09 10 00 24 26 26 3 C 12 1 C OFF OFF 0 0 41 5 RH 10 3 g m 3 OFF OFF 0 0 sats Two types of data files are created one for each day and one for each month If a file with the same name already exists data is added to that file 13 1 File Names File names are assigned as shown below YYYY Year MM Month DD Day All characters are single byte characters File for each month YYYYMM csv File for each day YYYYMMDD csv For example for January 1 2009 The file created for the month would be 200901 csv The file created for the day would be 20090101 csv 13 2 Data Content The data files are saved in CSV format comma delimited text file and the data is saved in the format shown below The first line is the item name header and is writ
24. SD PC SD AC 5 6 Initializing the SD Card The initialization process deletes all the data files on the SD card If the SD Card Write switch is set to ON set it to OFF Pressing the FUNCTION key five times in the normal measurement screen shows MODE MEMORY and CLEAR Press the ENTER key to change the CLEAR indica tor from fully lit to blinking MODE ua Pressing the ENTER key and the W key at the same time changes the MEMORY indicator from fully lit to blinking and starts initialization of the SD card When initialization of the SD card is completed the blink ing changes to fully lit and End is displayed MODE duaan To return to the normal measurement screen press the FUNCTION key Z CAUTION The SD card initialization screen will not be displayed if the SD card is not inserted if the SD Card Write switch is set to ON or write protect tab on the SD card is set to ON or the battery level indicator is flashing During initialization of the SD card do
25. AC X 12 1 Periodic inspection This instrument is a microprocessor based hygrothermo graph To maintain the optimal performance do the following inspections occasionally and replace the parts if necessary Check if screen display and recording are performed normal ly If any trouble is found see Chapter 14 Troubleshooting Check if traces are made clearly See Setting Replacing recording pen in Chapter 3 if necessary Check if the chart paper is normally fed without being caught inside If any trouble is found see Chapter 14 Troubleshooting Check if the unused chart paper remains sufficiently inside the instrument When the remainder becomes 1 meter a red END mark will appear To replace the chart paper see Setting Replacing chart paper in Chapter 3 Check if the battery life indicator is blinking on the LCD screen To replace the batteries see Inserting Replacing dry batteries in Chapter 3 After replacing the chart cassette with a new one be sure to execute the pen position adjustment Reference 1 6
26. 802 Clock IC malfunction Set the date and time again 802 IC The backup battery must be replaced aes Seer A 803 Backup battery low voltage fee charged Please contact us or your 803 A CAUTION N If the same error message appears again even after taking the appropriate measure or if any error mes sage other than the above described please contance us Or your distributor sage 15 20 80 0 170 F as eis ELC 0 50C 3 RH 25C 20 80 RH 3 mm 20mm h 10mm h 5mm h 2 5mm h
27. I AC J AC D P 23 1 HJ TLJ C F 71 0 g m EOE Hie HJ L N ALARM Comes on when you set or check the alarm DATE ST 50M only Comes on when you set or confirming the date TIME ST 50M only Comes on when setting or confirming the time MEMORY ST 50M only Comes on when writing data to the SD card and blinks during SD card recognition selecting SD card initializa tion and while initialization is in progress Battery life indicator Indicates the battery life Not shown when the AC adapt er is used TAC Comes on when the AC adapter is used Temperature indicator D P J Blinks when a dew point temp
28. 20 1 5 3 6 RAN 5T 50A ma 20H 157A 3 rh 20H 1 5 3 3 ST 50M 4 SD 128MB 2GB CSV 1 1 5 3 5 6 10 12 15 30 60 512 1 1 ST 50M 60 25C 55 RH K ST 50M 20 50 20 90 RH Ne 10 30 70 10 90 RH LR20 1 5V 4 AC AC 9V 500mA 300 W X 245 H X105 D mm 2 9Kg bd aa 20 80C 0 1C STA 0 100 RH 0 1 RH 2
29. ST 50M Chapter 5 SD Card Writing Function ST 50M OnIy 5 1 SD 5 1 SD Card Writing Function ST 50M SD SD SD SD PC SD CSV OC Microsoft Excel http www sekonic co jp WindowsS XP VISTA A SD 1 0 LAN S
30. ON 702 SD RE MAIN VALET SD SD SD 5 2 Starting and Stopping Data Writing to SD Card Insert the SD card and set the SD Card Write switch to ON The MEMORY indicator turns on and writing to the SD card is started To stop data writing set the SD Card Write switch to OFF r A CAUTION The error 700 occurs if the SD Card Write switch is set to ON without inserting an SD card Set the write protect tab on the SD card to OFF If it is left at ON the error 702 occurs When the amount of available space on the SD card be comes 0 the error 704 occurs Insert a new SD card
31. OFF FUNCTION MODE MEMORY CLEAR NODE duaan ENTER 4HY amp CLEAR ENTER V MEMORY SD SD End FUNCTION A SD SD ON SD ON SD SD SD ST 50M OFF SD SD
32. P0WER ON Ait 5 8 OFF 9 2 MARK Ait amp 9 3 ENTER DEW POINT ABSOL HUMIDITY HS E PES ORT LE 5 Fo ZO D P amp g m E Setting POC Turn OFF the power switch Turn ON the DIP switch No 2 then turn the power switch ON again Temperature pen will soon start recording while humidity pen will wait for the time in the above Reference Then it will start recording m A CAUTION Be sure to keep the DIP switch No 5 to No 8 OFF state 9 2 Marking function If desired press the MARK key to leave a mark on the temperature trace while recording m Z CAUTION No mark will be made if the recording pen goes out of the chart paper 9 3 Indicating dew point temperature and absolute humidity Press the ENTER DEW POINT ABSOL HUMIDITY key during the nor
33. POC CT ee 25 POC ee 25 9 2 ee 25 9 3 25 10 10 1 EECA PCOCX 26 He Sy PUGET ED RR CREE NR EE RR 26 10 2 ee 26 10 3 NERDS ER 27 10 4 2 RI RII NE TERR EN RN 27 E 33 RH RIE ERAN SE IRS CE RNR ER 27 W 75 RH ETET 27 10 5 NTRS RNR RRR EE EI 28 11 11 1 OCT TEE Oe ce Terri 28 11 2 28 11 3 ee 29 11 4 ee 29 11 5 RRR URE E RI EE RR EER 29 12 12 1 etter 30 12 2 ee 30 12 3 ERIE 30 13 ST 50M 13 1 L LETA ETLAT 31 13 2 31 14 14 eee 33 14 2
34. 151 Error in temperature sensor Retry the calibration Peo Nees 152 Error in Humidity Sensor Retry the calibration x W KR 153 Error in calibration at 33 RH Retry the calibration 100 ike ie Sk 154 Error in calibration at 75 RH Retry the calibration 151 152 201 mot ure pen initialization Turn the power OFF then ON again 153 2 1 202 Humility pen initialization Turn the power OFF then ON again 154 2 2 201 203 pn nto target postion Tum the power OFF then ON again 202 Timeout in moving humidity 203 204 pon target position Turn the power OFF then ON again 204 T i 205 Tempe
35. ON Y ENTER FUNCTION FUNCTION FUNCTION FUNCTION 11 3 FUNCTION ENTER 4 v 5 5mm ENTER 11 4 FUNCTION 2 ENTER DRL ET 4A 5 5 mm E ENTER Ai 5 5mm 4 Al V FUNCTION The operation m
36. gt OPP RAA YU FHP RY YEE OPED TRAD Fite Ald gt SD SD I O LAN SD SD SW OFF MEMORY EXO MEMORY SD SD SD 128MB 2GB Mini SD Micro SD SD SDHC Mini SDHC Micro SDHC SD 128MB 2GB SD
37. ENTER ic a SIE 10 CIC 10 25 25 ri 4 ENTER meals FUNCTION 2 E Setting range 0 50 C 30 130 F Turn OFF the power switch then turn ON the DIP switch No 3 and turn OFF the No 4 When the power switch is turned ON temperature will be recorded in the range from 0 to 50 C or 30 to 130 F E Setting recording range manually Turn OFF the power switch turn ON the DIP switches No 3 and No 4 and then turn the power switch ON again Press the FUNCTION key five times Six times when the SD card is inserted and the SD Card Record switch is set to OFF while the normal measurement screen is displayed MODE and r1 will appear and the present central temperature of the chart will blink on the left side will blink instead if the recording range has not been changed from the initial setting 20 to 80 C or 0 to 170 F Change the temperature to be recorded
38. SDI TAR 128MB 256 2GB 10 14 16 16 7e Reference The available SD card record intervals and record times are as shown below SD card size 128MB 10months 14months SD card record intervals 256 2GB 1min 1 5min 3min 5min 6min 10min 12min 15min 30min 60min The display returns to the measurement screen if no operation is performed within one minute 16months 16months 5 4 FUNCTION MODE DATE vone DATE TI 17 1 Eo d ag 4 v ENTER 4A ENTER na 4A ENTER FUNCTION 5 4 Ch
39. 10 4 2 point calibration of humidity sensor E Calibration at 33 RH Place the sensor in a saturated salt type humidity cali brator or a reference humidity generating bath Press the ALARM key three times while the Sensor calibration status screen is displayed The 2P and C5 indications will appear Press the ENTER key and the present temperature and humidity will be displayed C6 Wait until the humid ity becomes stable in the range of 33 5RH When the humidity is stabilized press the ENTER key The 33 0 indication will start blinking Use the 4 or W key to enter the humidity value that corresponds to the present temperature shown on the humidity calibrator or the value indicated on the humidity bath then press the ENTER key The indication on the left side starts count from 1 to 5 then the humidity indication will stop blinking to show the setting has been completed E Calibration at 75 RH Place the sensor in a saturated salt type humidity cali brator or a reference humidity generating bath After the 33 RH calibration is completed press the ENTER key The 2P and C7 indications will ap pear Press the ENTER key and the present temperature and humidity will be displayed C8 Wait until the humid ity becomes stable in the range of 75 5RH 7 ENTER ig 75 0
40. LCD Screen D Alarm output terminal m L AC Control panel door CET ne AC adapter terminal Front door Chart cassette LCD LCD Screen HL IHL BAY jlsmh D C ICF Control panel GRIER lt I yF Control panel FUNCTION ST 50M SPEED RANGE ST 50A ALARM ENTER MARK Uni oy ma y ii O LCD 7 LCD Screen LCD J indicates the current indication on the LCD MODE MODE Comes on when you execute any setting fALARM DATE ST 50M TIME ST 50M MEMORY ST 50M SD SD SD AC
41. YYYYMM csv 1 YYYYMMDD csv J DD H 2009 1 1 1 200901 csv 1 20090101 csv 13 2 CSV 1 Date Time Temp Unit D P Unit AlmH AlmL H L Humi Unit A H Unit AlmH AlImL H L Comment 2 1 Date YYYY MM DD 2 Time hh mm ss 3 T 1
42. 1 11 Humi LOVER HOVER ERROR 12 Unit RH SE RES 1 salu as ERROR 14 Unit g m3 Sb te 53y 1 15 AlmH 1 OFF Seb EES Spay 1 16 AlmL 1 OFF 17 H ON 1 OFF 0 18 L
43. FUNCTION 5 5 Changing the Time Pressing the FUNCTION key four times in the normal measurement screen shows MODE TIME and the hours and minutes The hours are blinking Use the 4 and W keys to change the hour and then press the ENTER key to change the blinking from the hour to the minute Use the 4 and W keys to change the minute and then press the ENTER key to change the indicator from blinking to fully lit and register the setting To return to the normal measurement screen press the FUNCTION key 0 1 Z CAUTION The clock of this instrument is set to Japan Standard Time Before using for the first time the time must be set for your region Automatic correction for summer time daylight savings time is not supported Reference When the time setting is registered the seconds are reset to 0 The display returns to the measurement screen if no op eration is performed within one minute 18 5 6 SD SD SD ON SD
44. LR20 4 4 Battery cover 4 Size D batteries Ait AC Make sure that the chart paper is not raised from the drum and close both the rear chart holder silver matal and the front chart holder transparent plastic Turn the chart feed dial 2 or 3 times to make sure that the chart paper is fed properly At this time check if the chart paper is properly folded in the chart cassette 2 3 Turn it 2 or 3 times Chart feed dial Place the chart cassette in the body fit the protrusions to the grooves of the body and push it in the arrow direction until it clicks in place Make sure that it is fixed securely E Inserting Replacing dry batteries Turn OFF the power switch Remove the battery cover on the rear side of the body Set four Size D batteries LR20 in the battery case according to the polarity indication inside the case Return the battery cover Z CAUTION When using the AC adapter be sure to turn OFF the power switch Do not use r
45. Ro emp OVER OVER ERROR 4 Unit ER C IF OE eS 1 MM me ERROR 6 Unit ER C TF e LPSa 1 7 AlmH OFF AAE i ne ene 1 8 Satori AlE OFF 9 H ON 1 7 7 AOFFH 0 10 L ON 1 OFF 0 het eS
46. 20cm 3 4 Ak amp E Setting Replacing chart paper While pressing the stoppers on both sides of the chart cassette pull forward and remove it from the body r A CAUTION When replacing the chart paper make sure that the recording pens are raised If not this procedure may cause damage to the instrument See Setting Replacing recording pens in this manual if the pens need to be raised Fan the chart paper carefully before setting Chart paper Release the chart holders of the chart cassette raising the rear one silver metal and pulling down the front one transparent plastic then insert the chart paper as the arrow shows in the figure Z CAUTION Set the chart paper so that it is fed to the front Set ting it in the opposite direction may cause the ma chine trouble Set the chart paper so that the square holes come to the left side and the rectangular holes come to the right side Pull out the end of the chart paper approx 20 cm 7 87 in 3 or 4 teeth and set it to the drum so that the teeth of the sprocket wheel are properly engaged in the holes on both sides of the c
47. 33 15 ft RIE RR TREE RRR LTAL TELTE 34 RRR ER EER SRE ERNE IE ERE A ERR is 34 ee 34 PE EEEE RNR ERR RR EEE TIRE 34 Perrier cr irre rer erect cee re ENR 34 Chapter 7 Setting Alarm 7 1 Function OVOIVIOW Li 21 7 2 Setting temperature alarm eee 22 7 3 Setting humidity alarm 22 7 4 To initialize the alarm ue 22 Chapter 8 Display indicators ST 50M only 23 8 1 SD card recording cycle indicator 24 8 2 Date INCiCatOl sain ak 24 8 9 Time iindicatof ss sa si 24 8 4 Normal measurement screen SD card recordable days indicator 24 8 5 Temperature recording range setting indicator 24 8 6 Humidity recording range setting indicator 24 Chapter 9 Useful Function 9 1 Pen trace offset compensation POC 25 MB Function OvervieW ee 25 E Setting POC riskan anaran ne 25 9 2 Marking tunction ase NAN 25 9 3 Indicating dew point temperature and absolute humidity 25 Chapter 10 Sensor Calibtarion 10 1 Setting humidity alarm 26 E To check the calibration status 26 10 2 Calibrating temperature sensor 26 10 3 Calibrating humidity sensor
48. To return to the normal measurement screen from the Sensor calibration status screen turn OFF the power switch To cancel a calibration turn OFF the power switch The consumption of the batteries will rise during the calibration The operation menu for sensor calibration is as folows Turn ON the power while pressing the A and ENTER keys Sensor calibration status Press ALARM key Temperature calibration Press ALARM key One point humidity calibration Press ALARM key 2 point humidity calibration Press ALARM key Sensor calibration Initialization Press ALARM key 10 2 Calibrating temperature sensor Press the ALARM key while the Sensor calibration status screen is displayed The 1P and C1 indica tions will appear Press the ENTER key The indication on the right side will start blinking Use the 4 or W key to enter the temperature value shown on the reference thermometer then press the ENTER key The entered value will stop blinking to show the setting has been completed 26 ALARM Ait ALARM 10 3
49. SW OFF LCD MEMORY SD SD SD aige E inserting the SD card ST 50M only Set the SD Card Record switch to OFF Insert the SD card until it clicks into place in the SD card slot MEMORY blinks for a short time on the LCD This indi cates that the information in the SD card is being loaded enon IEPA an a a mi a o eo L_ C EA in Bea 4 mm hM When blinking of MEMORY on the LCD is finished data can be written to the SD card To start writing to the SD card set the SD Card Record switch to ON E Removing the SD card ST 50M only Set the SD Card Record switch to OFF Check that MEMORY no longer appears on the LCD Gently press in the SD card inserted into the SD slot with your finger until the SD card makes a clicking sound The SD can now be removed 4 BARE Chapter 4 Basic Operation 4 1 PO0WER ON YNS 4 1 To start and stop recording Turn ON the power switch Wait 4 5 minutes or less till
50. 5 3 O OTC Aas I ig me A W ENTER 1 5 ALARM Ait ALARM 2 10 3 ALARM 10 5 ALARM 5 C9 CLEAR ig Y ENTER Ait
51. 12 Chapter 12 Maintenance 12 1 14 3 14 1m END 3 LCD 3
52. ALARM 1 ALARM 1 ALARM 2 ALARM ALARM 10 2 O ENTER ALARM 1F C1 I MLET 4a v ENTER 10 1 Setting humidity alarm The one point calibration is provided as an optional setting in order to calibrate the sensor at the reference value shown on both basic thermometer and basic hy grometer The 2 point calibration is also provided to calibrate the sensor at each reference value of low humidity and high humidity using a saturated salt type humidity calibrator or reference humidity generating bath Use this function to maintain a highly reliable accuracy of the sensor E To check the calibration status Turn ON the power switch while pressing the 4 and ENTER keys together The MODE CAL J and Co indications will be on the display This screen shows the current status of the sensor calibration A CAUTION
53. If the amount of available space on the SD card is 7 days or less REMAIN blinks Obtain a new SD card Data is not saved to the SD card when the battery life indicator is blinking When the battery level indicator changes from fully lit to flashing or vice versa data may not be written to the SD card in some cases Please be aware that this is not a malfunction When using with batteries if the remaining battery level becomes low the battery level indicator may show an extremely low level when the power is turned on or when the pen is moved In this case a reset may be applied or writing to the SD card may not be performed Please be aware that this is not a malfunction 5 3 SD FUNCTION MODE MEMORY INTERVAL SD 4 SD im ENTER FUNCTION ial 4 5 3 Changing the SD Card Writing Interval Pressing the FUNCTION key twice in the normal mea surementscreen shows MODE ME
54. i 33 5 RH 75 5 RH 20 80 1 2 2 100 RH1 RH 5mm 0 1mm 4 ee 0 50 25C 10C 2145 25 RH 10 RH 6 ST 50A 60 2 5mm h 4 ST 50M ON 60 UME AURIS Va ST 50M ON OFF ST 50M 4 1 1 1 1 5m 20m 50m AC 1 AC100V 2 DC9V 500mA eu a SNEEN R bar sad FHL
55. C or 30 130 F humidity range 0 100 Manual setting The temperature recording range can be set by changing over the DIP Recording Range with DIP Switch switches eee C e 20 80 C ay E A CAUTION Before changing over the DIP switch be sure to turn OFF the power switch HO 50C POWER 3 ON 4 OFF POWER ON 0 50C POWER 3 4 ON POWER ON FUNCTION 5 SD SD SW OFF 6 MODE rI 20 80C A
56. ls the power switch turned ON HARA As TORT Will not operate s the dry batery set P Is the dry battery correctly set HCARMOR DY te lt eo TOEA Hasn t the dry battery capacity run short AC A 6 gt saya KI EE gt ls the power switch turned ON AC No display Is the dry batery set ON appears Is the dry battery correctly set PEWA o TORT Hasn t the dry battery capacity run short A i Is the power switch turned ON ls the dry batery set AC Will not start IS the dry battery correctly set AC recording Hasn t the dry battery capacity run short ON Hasnt the ink in pen run short PEWA o TORT Will not feed the S the chart paper set correctly EST Buh ZELA e 2 Is the chart cassette set corre
57. x
58. 50M also supports the writing of data to an SD card A built in clock is included for recording the measurement date and time data The ST 50M can write data to commercially available SD cards so that the data can be loaded to a PC using an SD card slot or SD card reader The data written to an SD card is saved in CSV format and this enables it to be loaded directly into Microsoft Excel and other applications A graph data viewer application for Windows XP and Vista is available for download from the Sekonic Product Guide web page http Avww sekonic co jp English index html for enabling the viewing and printing of graphs and data for customers who do not have spreadsheet software A CAUTION or communication card This can cause malfunctions or damage to the ST 50M or the card switch to OFF and check that the MEMORY indicator no longer appears Removing the SD card while the MEMORY indicator is fully lit or blinking can corrupt the data could damage the ST 50M or the SD card compliant with the SD standards However operation is not guaranteed with all SD cards that satisfy this condi tion For a list of the cards where operation has been confirmed please refer to the Sekonic Product Guide web page conversion adapter is required cannot be used available SD card for use pending on themanufacturer and model and so please use an SD card that is suitable for the actual operating environment Example SD
59. 5minutes 1 5months 1 5months 1 5months 1 5months 1 5months 20 0mm abt 0 79 in H 1 5minutes 3 4months 20days 20days 20days 20days Recording range Full span 0 50 C 30 130 F or Discretionary enlarged range Temperature Central temperature of charts can be set discretionarily The ranges from the center are 25 C 10 C 25 F or 50 F Full span or Discretionary enlarged range Humidity Central humidity of charts can be set discretionarily The ranges from the center is 25 RH or 10 RH Memory storage ST 50M only Storage medium SD memory card Storage capacity 128MB 2GB Storage format Comma delimited text file CSV format Recording cycle 1minute 1 5minutes 3 minutes 5 minutes 6 minutes 10 minutes 12 minutes 15 minutes 30 minutes 60 minutes Stored files Maximum of 512 files 1 file per day and 1 file per month A Temperature 1 0 C 1 8 F Measurement Ranges at 0 50 C 32 122 F ccurac i Humidity 3 RH at 25 C 77 F Measurement Ranges 20 80 RH Clock accuracy ST 50M only Accurate within 60 seconds per month Pen trace offset compensation The time axes of temperature pen and humidity pen can be compensated Marking 3mm 0 12 in marking can be marked on the temperature recording trace Installation Indoor use only installation of altitude up to 2 000 m 6 561 ft Main supply voltage eleva fluctuations not to
60. cards for the 0 to 55 C or 25 to 85 C tem perature range the SD card The personal computer must have a built in SD card slot or SD card reader ST 50M to initialize the SD card Do not initialize the SD card using a PC For customers who are using Macintosh or another OS please obtain a spreadsheet software program capable of loading CSV files 416 lt 5 2 SD SD SD ON MEMORY SD TI 99 1a SD 74 OFF FN SD SD ON SD OFF SD 0 704 SD 7 SD mj Be LI mm h 700
61. chart speed screen Press 4 key Press key SD card writing cycle indicator Press A key Press W key Date indicator Press 4 key Press key Press A key Press key Normal measurement screen 3x4 SD card recordable days indicator Press 4 key Press W key Temperature recording range setting indicator 2 Press 4 key Press W key Humidity recording range setting indicator 2 Press key X 1 This is displayed only when an SD card is inserted 2 This is displayed only when a user selected setting has been designated DIP switches 3 and 4 are set to ON and the power is turned on r A CAUTION The following operation can be performed only in the nor mal measurement screen Registers the various settings FUNCTION Key Setting Alarm ALARM Key Marking function MARK Key Indicating dew point temperature and absolute humidity ENTER DEW POINT ABSOL HUMINITY Key Pen replacement mode ENTER Key 403 8 1 SD SD 8 1 SD card recording cycle indicator This displays the SD card recording cycle that is cur rently set SD SD card recording cycle 8 2 8 2 Date
62. com pleted Reference If this setting is not required press the FUNCTION key once to return to the normal display Chapter 7 Setting Alarm 7 1 LCD H k L 7 1 Function overview Set the alarm for the abnormal value to inform you when measured with the H or LJ indicator blinking in the LCD 30 0 C 50 0 30 0 50 0 H 29 5 49 0 H 30 0C 50 0 30 0C 50 0 30 5 51 0 LI 0 5 1 0 RH CF Reference If the alarm has been set for 30 0 C 50 0 F 50 0 as the upper limit and the measured value is 30 0 C 50 0 F 50 0 or higher the H indicator will appear and start blinking If the current value becomes 29 5 C 49 5 F 49 0 or lower HJ will go out Also if the same value has been set a
63. exceed 10 of the nominal voltage Temperature 20 C 50 C 0 F 120 F Humidity 20 90 RH No condensation condition Vibration No vibration allowed Not inclined more than 10 degrees from the horizontal plane Installation Not inclined more than 10 degrees from the vertical plane when mounted on the wall Transport Storage condition 30 C 70 C 22 F 158 F Battery LR20 1 5V x 4 AC Adapter Instrument Rating Power Supply Input power voltage rating DC9V Power rating 5VA Dimensions Weight 300 W x 245 H x 105 D mm 2 3kg 11 8 W x 9 6 H x 4 1 D 5 1Ibs without the Batteries Calibration range 20 C 80 C 0 1 C 0 1 F unit Temperature Maxium calibration span 10 C 18 F Callibration 1 point Calibration range 0 100 RH 0 1 RH unit Humidity Maxium calibration span 20 RH 2 point Calibration range 33 5 RH 75 5 RH 2 points Upper and lower limits setting Temperatura Range 20 C 80 C 1 C 1 F unit arms z ER Humidity 2 points Upper and lower limits setting Range 0 100 RH 1 RH unit Pen position adjustment 5mm 0 1mm unit Adjustment point 5mm away from Zero point Standard Accessories 4x D size Batteries used for trial 1 x Chart Paper 1 each x Fiber Tip Pen for Temperature and Humidity 1 x Operation Manual Regulations CE EN61010 Approved Optional Accessories Sensor Extension Cable 5m 16 40 ft 20m 65 62 ft and 50m 164 04 ft D
64. indicator This displays the current date 2 Reference The year data is displayed as the last two digits 2000 2099 This setting is valid for the year 2000 to 2099 Leap years are automatically applied during this year range 8 3 24 2 1 1 8 3 Time indicator This displays the current time The time data is displayed in 24 hour format The dot at the right side of the hour data blinks at 2 second cycles 1 second on 1 second off 1 1 Second 1 second on 1 second off 8 4 SD 8 4 Normal measurement screen SD cal SD card recordable days indicator a E H This is displayed only when an SD card is inserted SD rc f The SD card remaining space is d
65. is displayed only when a user selected set 3 4 ON of the me ting has been designated DIP switches 3 and 4 mn i mn are set to ON and the power is turned on This 75 lt displays the currently selected temperature re CJC CJ cording range setting 8 6 8 6 Humidity recording range setting indicator 3 one ag angs This is displayed only when a user selected set 4 ON YYeomar ting has been designated DIP switches 3 and 4 are set to ON and the power is turned on This displays the currently selected humidity record ing range setting 9 Chapter 9 Useful Function 9 1 POC POC r
66. the two pens get their positions to start recording To stop re cording turn OFF the power switch POWER MM A SD 4 2 FUNC TION MODE SPEED 4 ENTER FUNCTION Z CAUTION When using with batteries if the remaining battery level be comes low the battery level indicator may show an extremely low level when the power is turned on or when the pen is moved In this case a reset may be applied or writing to the SD card may not be performed Please be aware that this is not a mal functi
67. 2 26 26 2 C 12 1 C OFF OFF 0 0 41 5 RH 10 1 g m 3 OF F OFF 0 0 2008 09 10 00 18 26 26 2 C 12 1 C OF F OFF 0 0 41 5 RH 10 1 g m 3 OF F OFF 0 0 2008 09 1 0 00 24 26 26 3 C 12 1 C OFF OFF 0 0 41 5 RH 10 3 g m 3 OF F OFF 0 0 32 14 Chapter 14 Troubleshooting 144 1 14 1 Troubleshooting tips If the instrument does not operate normally please check the following points before sending it for repair If it does not recover from a malfunction after the check points are cleared turn off the power switch immediately Ihen contact us or your distributor to get it repaired RE KH Condition Check points ON
68. 6 Tel 81 3 3978 2335 Fax 81 3 3978 5229 http www sekonic co jp 2008 4F 11 HE5097510 08 11 S First issue Nov 2008 HE5097510 08 11 S
69. D SD SW OFF MEMORY MEMORY SD SD SD SD 128MB 2GB SD SD Mini SD Micro SD SD SDHC MiniSDHC MicroSDHC SD PC SD
70. ER 1 5 E75 RH D 33 RH IE O EK ST KR m ALARM 2PI C rl H 7 cr 7 ENTER ie 75 5 RH Press the ALARM key to return to the Sensor calibra tion status screen Z CAUTION To cancel this setting press the ALARM key and pro ceed to the next setting item 10 3 Calibrating humidity sensor Press the ALARM key twice while the Sensor calibration status screen is displayed The 1P and C3 indications will appear Press the ENTER key The indication on the left side will start blinking Use the 4 or W key to enter the humidity value shown on the reference hygrometer then press the ENTER key The entered value will stop blinking to show the setting has been completed Press the ALARM key to return to the Sensor cali bration status screen A CAUTION To cancel this setting press the ALARM key and proceed to the next setting item
71. HEO SD SD POWER ON BATT SAVE FUNCTION ST 50M SPEED RANGE ST 50A SD ST 50M SD ST 50M FUNCTION ST 50A SPEED RANGE ALARM A ST 50M ENTER DEW POINT ABSOL HUMIDITY MARK
72. LARM 4 WL 4 Ad lt a m Reference 7 2 Setting temperature alarm Press the ALARM key once while the normal mea surement screen is displayed MODE and ALARM will appear When the alarm is already set H and or L will also be displayed Press the ALARM key once again A1 and H will be on the display with the present set point or C F in initial state blinking Set the desired upper limit of the temperature with the 4 or V key then press the ENTER key The set point will stop blinking to show the setting has been completed The indication means that no value has been set Press the ALARM key once again A2 and LJ will be on the display with the present set point or C F in initial state blinking Set the desired lower limit of the temperature with the 4 or V key then press the ENTER key The set point will stop blinking to show the setting has been completed The indication means that no value has been set To exit this mode after setting the temperature alarm press the ALARM key four times The normal mean surement screen will be restored 7 3 O ALARM Tl 1 A3 HI OAH ELM Ag
73. MORY and IN TERVAL and the SD card writing interval begins to blink Use the 4 and W keys to select the SD card writing interval and then press the ENTER key to change the indicator from blinking to fully lit and register the setting To return to the normal measurement screen press the FUNCTION key r A CAUTION The maximum number of files that can be stored on a A SD 1 512 16 SD single SD card is 512 This is equivalent to about 16 months of data Note that the maximum number of files that can be stored will be reduced if folders or files are created on the SD card by a personal computer or other device other than this instrument SD SD 1 1 5 3 5 6 10 12 15 30 60 1
74. SD 0 55C 25 850m SD PC SD SD SD SD Windows Macintosh CSV Do not use an SD I O card such as a wireless LAN card Before removing the SD card set the SD Card Record Do not pull forcefully when removing the SD card This Use SD cards with a size from 128 MB to 2 GB and If using a Mini SD card or Micro SD card an SD card SDHC cards Mini SDHC cards and Micro SDHC cards SD cards are sold separately Purchase a commercially The operating temperature of the SD card varies de A separate PC is required for loading the data written to If the SD card cannot be read by the ST 50M use the The graph data viewer application is for Windows only In addition to recording on chart paper the ST
75. SEKONIC Microprocessor Based Hygro Thermograph ST 50A ST 50M Operation Manual CE Approved Thank you for purchasing this Microprocessor Based Hygro Thermograph The essential information for the correct operation of the Hygro Thermograph is described in this manual Please be sure to read this manual carefully before using the Hygro Thermograph VCC1 B
76. St AIR HAE ANI SR 12 RR GRR RR RE RR RRR RR RR RRR ti 12 Hx Fe 13 AC PT 13 S ge TADIR ee 13 _ SD ST 50M CE RN RR 14 SD ST 50M ee 14 4 4 1 MRR RR RR RR RR RRR RRR ER RR RR RR 15 4 2 REI RENE ERE KERR SE ERE RR 15 4 3 SERA RI RR RRR ERE RE RE RRR RE i 15 4 4 Bo cttee ee ee teen eee een ee eee teen eee eee ee ene eeeeneee 15 5 SD 5 1SD TTP 16 5 2 MEER RRR EERE ERE EEN ER 17 5 3SD tt 17 5 4 piaibisineie bya Sie RR RR NE EERIE RRR RRR SRNR ER RE seine 18 5 5 WR RR RR aR RRR RR RG RR RA RRR IR RR A RRR RR tii 18 5 6SD via bishisid SRNR SSRI RNR TETTIE TEITTE TET 19 6 6 1 y 81839 aie We marge nwa eine 20 0 SOC ORG 20 RHR GES RE EE A ER ER RE ES 20 6 2 ERE RR Ri RE 21 The life
77. anging the Date Pressing the FUNCTION key three times in the normal measurement screen shows MODE DATE and the year month and day The year is blinking Use the 4 and W keys to change the year and then press the ENTER key to change the blinking from the year to the month Use the 4 and W keys to change the month and then press the ENTER key to change the blinking from the month to the day Use the 4 and W keys to change the day and then press the ENTER key to change the indicator from blinking to fully lit and register the setting To return to the normal measurement screen press the FUNCTION key 1 Reference The display returns to the measurement screen if no operation is performed within one minute 5 5 FUNCTION IMODE TIME 4 wW ENTER 4A ENTER
78. arts stops recording BATT SAVE Switch Reduces consumption of the batteries FUNCTION Key ST 50M SPEED RANGE Key ST 50A This is used to change the chart speed SD card writing cycle ST 50M only writing range and pen adjustment settings and to initialize the SD card ST 50M only FUNCTION Key SPEED RANGE Key in ST 50A ALARM Key Sets or checks the alarm or changes the sensor calibra tion setting 4 V Key Used to switch the displayed information ST 50M only and change the various settings ENTER DEW POINT ABSOL HUMIDITY Key Registers the various settings or displays the dew point temperature or absolute humidity MARK Key Leaves a mark on the chart paper using a recording pen DIP Switch Sets the pen trace offset compensation POC selects Celsius or Fahrenheit and sets the recording range SD Card Record Switch ST 50M only Used when saving measurement data to the SD card mA CAUTION Before opening the Control panel door be sure to open the Front door first 2 Chapter 2 Installation 10 10
79. ctly chart paper ls the chart paper correctly fixed on the sprocket wheel ee 0 P AC Feed timing of Geer papers fhe ood speed setcorecty i istent d Me Measured value 8 2 has a big error sn t the sensor wet with dew Trouble about Refer to attention colum of Chapter 5 Setting EWORK lt ho Tok tAd the SD card Recording Range errr eta SD 5 SD 14 2 List of Error Messages Ma Details Solution 14 2 100 TE aridity Connect the sensor correctly LCD FRO
80. d Be sure to remove the AC adapter both from the instrument and from the plug receptacle before carrying it Do not remove the sensor connector from the instrument unless attaching or detaching the extension cable option or checking the instrument for maintenance Otherwise it will result in imperfect contact or disconnection Avoid the following environments to use the instrument otherwise machine trouble may occur Place under high radiation heat direct sunlight Place under mechanical vibration Near the source of electromagnetic field Place under influence of dust or lamp black Place easily affected by water or moisture Environment under influence of organic gas inorganic gas or salt For maintenance use a dry soft cloth and wipe the instrument lightly Do not use thinner benzine or other volatile liquid and a wet cloth otherwise the instrument may be discolored or deformed gt OPP PIAA PP AP P AP OPP AP POP OP SD Card Usage Precautions Do not use an SD I O card such as a wireless LAN card or communication card This can cause malfunctions or damage to the ST 50M or the card Before removing the SD card set the SD Card Record switch to OFF and check that the MEMORY indicator no longer appears Removing the SD card while the MEMORY indicator is fully lit or blinking can corrupt the data Do not pull forcefully when removing the SD card This could damage the ST 50M or the SD card
81. e measured the data appears as ERROR 14 Absolute humidity units Unit This is the units of the absolute humidity The data is g m 3 This is the upper limit alarm setting value for the relative humidity When the data is set this is indicated by a numerical value to one decimal place When no setting has been made this is indicated by OFF Relative humidity upper limit 15 alarm setting value Ane This is the lower limit alarm setting value for the relative humidity When the data is set this is indicated by a numerical value to one decimal place When no setting has been made this is indicated by OFF Relative humidity lower limit 16 alarm setting value Alm 17 Relative humidity upper limit H This is the status of the relative humidity upper limit alarm The data is 1 when the alarm alarm is ON and is 0 when the alarm is OFF 18 Relative humidity lower limit L This is the status of the relative humidity lower limit alarm The data is 1 when the alarm alarm is ON and is 0 when the alarm is OFF 19 Comment Comment The information provided here can be used as comments in other applications Example of Data File Date Time Temp Unit D P Unit AlmH AlmL H L Humi Unit A H Unit AlmH AlmL H L Comment 2008 09 10 00 00 26 26 1 C 12 0 C OF F OFF 0 0 41 7 RH 10 1 g m 3 OF F OFF 0 0 2008 09 10 00 06 26 26 2 C 12 1 C OFF OFF 0 0 41 7 RH 10 1 g m 3 OF F OFF 0 0 2008 09 10 00 1
82. echargeable batteries siis LCD E Time to replace The life of the batteries loaded in the instrument is indicat ed in the upper right corner of the LCD screen The indica tor will change as follows A PT CAUTION When the batteries run short the bat eee The battery voltage ee aoe tery life indicator will start blinking AC SD state faat is in the normal faa When the AC adapter is used the battery life indicator will not appear Data is not saved to the SD card when the battery life indicator is blink a ing When the instrument is used at low AC
83. emperature When the data is set this is indicated by a numerical value to one decimal place When no setting has been made this is indicated by OFF Temperature upper limit 7 setting value pat This is the lower limit alarm setting value for the temperature When the data is set this is indicated by a numerical value to one decimal place When no setting has been made this is indicated by OFF Temperature lower limit alarm 8 setting value Am H This is the status of the temperature upper limit alarm The data is 1 when the 9 Temperature upper limit alarm alarm is ON and is 0 when the alarm is OFF This is the status of the temperature lower limit alarm The data is 1 when the 10 Temperature lower limit alarm L alarm is ON and is 0 when the alarm is OFF This is the measurement value of the relative humidity When the data is within the measurement range the numerical value is shown to one decimal place When the value is outside the range this is indicated by OVER or OVER When a measurement error occurs the data appears as ERROR 11 Relative humidity measurement value Humi 12 Relative humidity units Unit This is the units of the relative humidity The data is RH This is the measurement value of the absolute humidity When the data is within the 13 le A H measurement range the numerical value is shown to one decimal place When the value is outside the range or cannot b
84. ensor calibration status screen CO will be restored Z CAUTION To initialize means to restore the factory setting To return to the normal measurement screen turn OFF the power switch Chapter 11 Pen Position Adjustment 11 1 11 2 v ENTER ON Ait 11 1 Function overview Errors in recording due to extension or contraction of the chart paper can be adjusted If it is not necessary skip this chapter 11 2 To check the adjustment status Turn ON the power switch while pressing the w and ENTER keys together The Pen position adjustment sta tus screen will be displayed A CAUTION During this operation no switch can be used until the pens stop moving completely and the blinking indica tion becomes still 28
85. enu for pen position adjustment is as follows Turn ON the power while pressing the Y and ENTER keys Pen position adjustment status P 0 Press FUNCTION key Temperature pen position adjustment Press FUNCTION key Humidity pen position adjustment Press FUNCTION key Pen position adjusted value initialization Press FUNCTION key 11 3 Adjusting temperature recording pen position When the Pen position adjustment status screen PO is displayed press the FUNCTION key Press the ENTER key The indication on the right side will start blinking Use the 4 or V key to enter 5 to bring the pen 5 mm from the left side of the chart paper then press the ENTER key The entered number will stop blinking to show the setting has been completed 11 4 Adjusting humidity recording pen position When the Pen position adjustment status screen P 0 is displayed press the FUNCTION key twice Press the ENTER key The indication on the left side will start blinking Use the 4 or V key to enter 5 to bring the pen 5 mm from the left side of the chart paper then press the ENTER key The entered number will stop blinking to show the setting has been completed A CAUTION The adjustable range is from 5 mm to 5 mm on the chart paper The 4 key moves the pen to the right side while the V key moves it to the left
86. erature is displayed 23 1 Indicates the present temperature Celsius Fahrenheit dew point temperature various set items and set points H TL Comes on when the alarm is set and blinks when the set alarm is given C F Indicates the unit Celsius or Fahrenheit of the present temperature Humidity indicator 71 0 Indicates the present humidity relative humidity or abso lute humidity various set items and set points Tgim Indicates the unit of the present relative or absolute humidity fHJ L Comes on when an alarm is set and blinks when an alarm has occurred OTCAL J CLEARI IINTERVAL ST 50M SD SD REMAIN ST 50M SD SPEED mm h J ST 50M 10 s m h D M ST 50M
87. fe on the LCD screen E Connecting extension cable To separate the sensor from the body for remote measure ment use the extension cable Three types of cables 5m 20m and 50m long are available Remove the clamp for the sensor cord from the body Disconnect the sensor connector then connect the ex tension cable Fix the extension cable with the clamp A CAUTION Before connecting the extension cable be sure to turn OFF the power switch 43 5 SD ST 50M SD OFF SD SD Side view L Sensor terminal vi Alarm output terminal Taai O Ac AC adapter terminal E I 17 LCD RO MEMORY SD LCD MEMORY SD SD SD SW ON SD ST 50M SD
88. hart paper m A CAUTION Be sure to set the chart paper in the correct direction As Chart paper Chart holders 2 3 D Fy Protrusions A lt v Chart cassette
89. in high humidity If humidity ac curacy does not come to satisfy the specification the sensor assembly should be replaced Please con tact our distributor for the replacement to be paid 12 2 Replacement of sensor assembly Remove the sensor cord clamp Disconnect the connector and replace the sensor as sembly with a new one Sensor assembly includes sen sor cord and connector A CAUTION When replacing the sensor assembly be sure to turn OFF the power switch 12 3 Replacing the clock backup battery An internal backup battery is provided for the clock built into the ST 50M The lifespan of the clock backup battery is about five years but it can be more or less than this depending on the usage conditions The clock backup battery should be replaced when error 802 or 803 occurs Replacement of the clock backup is treated as repair work fee charged Please contact us or your dealer 30 13 ST 50M Chapter 13 Data Files ST 50M Only 1 1 2 13 1 YYYY MM 1 1
90. in the center of the chart paper with the 4 or W key then press the ENTER key The central temperature will stop blinking to show the setting has been completed Then the present recording range will blink on the right side of the screen Set the recording range 10 10 C or 25 25 C in Celsius or 25 25 F or 50 50 F in Fahrenheit with the 4 or W key then press the ENTER key The recording range will stop blinking to show that set ting has been completed Reference If this setting is not required press the FUNCTION key twice to return to the normal display 20 6 2 FUNC m Tai TION 6 SD gp SD SW ZA OFF 7 oo MODE Ir 2 0 100 RH 4 ri ENTER I ea
91. isplayed in the area M cE ic y of the normal measurement screen that shows the D Th m ae chart speed The units are indicated by M for month SD 0 RE sweat D for day and h for hour and m for minute MAIN amp SD as If the SD card remaining space becomes 0 REMAIN and LET the number section of the SD card remaining space begins to blink A A CAUTION If any of the various settings are changed the alarm set tings are made or the pen is changed the normal mea SD surement screen returns to the chart speed screen To display the SD card remaining space change the screen SD again The SD card remaining space is an estimated value only 8 5 8 5 Temperature recording range setting indicator TN ee etal as This
92. lf using a Mini SD card or Micro SD card an SD card conversion adapter is required SDHC cards Mini SDHC cards and Micro SDHC cards cannot be used Use SD cards with a size from 128 MB to 2 GB and compliant with the SD standards However operation is not guaranteed with all SD cards that satisfy this condition For a list of the cards where operation has been confirmed please refer to the Sekonic Product Guide web page http www sekonic co jp English index html gt Safety guarantee If the instrument is used in a manner not specified by the manufacturer the protection provided by theinstrument may be impaired ada Check Before Use This instrument has passed our severe inspection however the following points should be confirmed before use Check the ap
93. mal measurement display to display the dew point temperature and the absolute humidity for about 5 sec At this time D P and g m will blink 25 10 Chapter 10 Sensor Calibration 10 4 ENTER og aul ON MODE CALI cC 0 7 g Az amp 1 1 2 ON a ENTER
94. not remove the SD card or turn this instrument OFF This could damage the SD card For some SD card types and sizes initialization can take an extended time This is not a malfunction The initialization process deletes all the data files on the SD card To delete a portion of the data files only use a PC to delete the files When initializing the SD card usage of new batteries or an AC adapter is recommended 1 SD 19 Reference The display returns to the measurement screen if no operation is performed within one minute This does not apply when initialization of the SD card is in prog ress 6 Chapter 6 Setting Recordeing Range 6 1 6 1 Setting temperature recording range POWER oll gt E Setting Temperature 20 80 C or 0 170 F humidity range 0 100 0 50C 0 50
95. of the attached batteries may be shorter than the specified period because they have already been used for trials We recommend using new ones size D alkaline when you operate the instrument for prac tical use Contents Safety Information Check Before Use Chapter 1 Machine Call outs 7 Chapter 2 Installation sssrinin 9 Chapter 3 Preparation for Measurement E Setting Replacing chart paper 10 E Inserting Replacing dry batteries 11 H Time to replace eee cee eeeceeneeeeeeeeeeeeeieeeeeeenees 12 E Setting Replacing recording pens 12 E Pen replacement mode uci 13 E Connecting AC adapter 13 E Connecting extension cable 13 H Inserting the SD card ST 50M only 14 E Removing the SD card ST 50M only 14 Chapter 4 Basic Operation 4 1 To start and stop recording 15 4 2 To change chart speed uuu 15 4 3 To select Celsius or Fahrenheit 15 4 4 Power saving mode uur 15 Chapter 5 SD Card Writing Function ST 50M Only 5 1 Setting temperature recording range 16 5 2 Starting and Stopping Data W
96. on 20mm h 20 10mm h 1 5 5mm h 3 2 5mm h 6 1 4 3 ON OFF C CF C C ae C 4 2 To change chart speed Press the FUNCTION key once while the normal measurement screen is displayed The MODE and SPEED indications will appear on the screen with the chart speed displayed blinking Select the desired speed using the A or W key then press the ENTER key The chart speed indi cation will stop blinking to show the setting has been completed To return to the normal measurement screen press the FUNCTION key m Reference The relation between available chart speeds and re cording periods is as shown below Chart speed 20mm abt 0 79 in h 10mm abt 0 39 in h 5mm abt 0 20 in h 2 5mm abt 0 10 in h Recording period 20 days approx 1 5 m
97. onths approx 3 months approx 6 months approx The display returns to the measurement screen if no operation isperformed within one minute 4 3 To select Celsius or Fahrenheit You can select Celsius C or Fahr enheit F by turning the DIP switch 1 OFF or ON Celsius is initially se lected F Fahrenheit F A 5 8 OFF Z CAUTION Be sure to keep the DIP switch No 5 to No 8 OFF state 4 4 BATT SAVE ON HEME ASCE MCR ES BATT SAVE ON F 2 5mm h 4 ST 50M 6 ST 50A 4 4 Power saving mode To reduce the power consumption of the batteries turn ON the BATT SAVE switch r Reference When the BATT SAVE switch is turned ON the chart speed will be set to 2 5mm h and the battery life will be as long as about 4 months ST 50M 6 months ST 50A We recommend you to select this mode in case of unattended operation for a long time 245 5 SD
98. pearance of the instrument carefully to make sure that the instrument is free from any damage Check if all accessories are provided as specified The detail of the accessories is as follows If you find anything damaged or missing please contact us or the distributor from whom you purchased the instrument No Parts Names Q ty Remarks 1 1 1 Temperature recording pen 1 Red 2 1 2 Humidity recording pen 1 Blue 3 1 3 Chart paper 1 Z folded plain paper 4 4 4 Dry battery 4 Used for trial 5 1 5 Operation Manual 1 7 1 DDR EO GEER STE 7 2 RNIN EERIE ERR RI RE ER RE RE 9 3 ee 10 RR RRR RR RR RR RR RR RE RR i ee 11 Ri se bia Ei sia Hab
99. play with the present set point or in initial state blinking Set the desired upper limit of the humidity with the 4 or W key then press the ENTER key The set point will stop blinking to show the setting has been complet ed The indication means that no value has been set Press the ALARM key once again A4 and L will be on the display with the present set point or in initial state blinking Set the desired lower limit of the humidity with the 4 or W key then press the ENTER key The set point will stop blinking to show the setting has been complet ed The indication means that no value has been set 7 4 To initialize the alarm The alarm setting can be initialized cleared Skip this paragraph if not required After setting the lower limit of the humidity press the ALARM key once The CLEAR indicator will appear and start blinking Press the V and ENTER keys together to initialize clear the alarm setting Note that the A5 indicator will change to A0 To return to the normal measure ment screen press the ALARM key six times 8 ST 50M NA Chapter 8 Display indicators ST 50M only ST 50M IE D A V v
100. rature pen marking Turn th FF th N again 205 limeout OO E 206 206 Humidity pen marking timeout Turn the power OFF then ON again 210 210 Pen position adjustment failure Turn the power OFF then ON again 700 SD SD 700 SD card not inserted Insert the SD card q ene 701 SD SD l CL 701 Incompatible SD card Insert a compatible SD card 702 SD AN oe 702 SD card write protect Cancel the write protect of SD card ERTE s 703 SD card read write error Check if the SD card is inserted correctly 703 SD SD i 704 No available space in SD card Insert a new SD card 704 SD SD eo as SD VB DWE card internal error eckK I e card IS Inserted correctly 705 SD
101. riting to SD Card 17 5 3 Changing the SD Card Writing Interval 17 5 4 Changing the Date 18 5 5 Changing the Time eee 18 5 6 Initializing the SD Card uint 19 Chapter 6 Setting Recordeing Range 6 1 Setting temperature recording range 20 H Setting range 0 50 C 30 130 F 20 E Setting recording range manually 20 6 2 Setting humidity recording range 21 7 1 oo 21 7 2 IR RRR RRR RRR GRR REAR GRR ht 22 7 3 FOLK KK 22 7 4 oo 22 8 ST 50M RRR RA NTN RA 23 8 1SD Ra RR ERNE ERR EER i 24 8 2 RR ose EER RR GEE IRE RR meray RRR EERE RR EE TINE 24 8 3 RRR EE SERRE REE RRS 24 8 4 SD 24 8 5 yy RRR EER ER 24 8 6 Rg RRA RE RR a RRR 24 9 9 1 POC PT 25
102. s and the AC adapter both from the instrument and from the plug receptacle Make sure that the smoke has stopped coming out of the instrument then contact the distributor Never repair it by yourself Never modify or disassemble the instrument Otherwise a fire may be caused or you may get an electric shock Do not modify or disassemble the AC adapter Otherwise a fire may be caused or you may get an electric shock If you drop the insturment or cause damage to the cover immediately turn off the power switch remove the batteries and the AC adapter both from the instrument and from the plug receptacle then contact the distributor If foreign objects or water should enter the instrument immediately turn the power switch OFF remove the batteries and the AC adapter both from the instrument and from the plug receptacle then contact the distributor If you keep operating the instrument a fire may be caused or you may get an electric shock Never use the instrument near explosive or inflammable gases Precautions concerning the instrument Never drop any objects like metals and inflammables in the opening Keep the instrument away from dust water or oil splashes Z CAUTION When not using the instrument remove the AC adapter both from the instrument and from the plug receptacle Be sure to close all the covers before carrying the instrument otherwise it may be damage
103. s the lower limit and the measured value is 30 0 C 50 0 F 50 0 or lower the LJ indicator will appear and start blinking If the current value becomes 30 5 C 50 5 F 51 0 or higher LJ will go out The hysteresis is 0 5 C or 0 5 F in temperature and is 1 0 RH in humidity oo 7 2 ALARM Dg fP 1 MODE HL ALARMI An ALARM 1 H am LEAL TH yp H i A i 4 ENTER XK ALARM 1 tog A2 L 4 v ENTER A
104. side To cancel this setting press the FUNCTION key and proceed to the next setting item 11 5 cual FUNCTION 3 a CLEAR V ENTER wd PS fie Az 11 5 To initialize the adjusted value Follow the procedure below to initialize the adjusted value If it is not necessary skip this paragraph When the Pen position adjustment status screen PO is displayed press the FUNCTION key 3 times The CLEAR indication will appear and start blinking Press the W and ENTER keys together The ad justed value will be cleared and the Pen position adjust ment status screen P 0 will be restored Z CAUTION To initialize means to restore the factory setting To return to the normal measurement screen turn OFF the power switch 29
105. ten in the form shown below Date Time Temp Unit D P Unit AlmH AlmL H L Humi Unit A H Unit AlmH AlmL H L Comment Data is written starting from the second line The item names and data content are as shown below Item Field name Data content This is the date that the measurement was taken The data has the format 1 Measurement date Date YYYY MM DD 2 Measurement time Time This is the time that the measurement was taken The data has the format hh mm ss This is the temperature measurement value When the data is within the 3 Temperature measurement measurement range the numerical value is shown to one decimal place When the value Temp value is outside the range this is indicated by OVER or OVER When a measurement error occurs the data appears as ERROR A A This is the units of the measurement value Celsius is indicated by C and 4 Temperature units Unit Fahrenheit is indicated by F This is the measurement value of the dew point temperature When the data is 5 Dew point temperature D P within the measurement range the numerical value is shown to one decimal place measurement value ii When the value is outside the range or cannot be measured the data appears as ERROR This is the units of the measurement value Celsius is indicated by C and 6 Dew point temperature units Unit Fahrenheit is indicated by F This is the upper limit alarm setting value for the t
106. ust Proof and Splash Proof Cover 35 f ee ST 50A ST 50M 1 TEL 1 T 178 8686 7 24 14 TEL 03 3978 2333 FAX 03 3922 2144 2
107. wly Humidity recording pen Blue Temperature recording pen Red Penholders F N A CAUTION If the penholders cannot be moved easily in such a case as overlapping each other see the following paragraph Pen replacement mode Do not move the penholder forcibly from side to side or do not press the pen tip hard to the chart paper If you do so the instrument may be damaged When removing the pen from the penholder be sure to hold the sides of the tip of the pen 12 POWER ON V ENTER MODE PEn m m pir 7 AFEA 25mm y 25mm
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