PCE Instruments PCE-WB 20SD Manual Download

Page: 28 / 29

RS232 FORMAT : 9600, N, 8, 1

Baud rate

9600

Parity

No parity

Data bit no.

8 Data bits

Stop bit

1 Stop bit

12. APPENDIX

Recommendations to heat exposure level

for working and physical activity.

( Permissible heat exposure threshold limit )

Work/rest regimen

Light

Moderate Heavy

( Each hour )

Continuous work

℃

26.7

℃

( 86 )

℉

( 80 )

℉

( 77 )

℉

75% work, 25% rest

30.6

℃

25.9

℃

( 87 )

℉

( 82 )

℉

( 78 )

℉

50% work, 50% rest

31.4

℃

29.4

℃

27.9

℃

( 89 )

℉

( 85 )

℉

( 82 )

℉

25% work, 75% rest

32.2

℃

31.1

℃

( 90 )

℉

( 88 )

℉

( 86 )

℉

Source : AGGIH 1992 ( The American Conference of

Governmental Industrial Hygienists )

Summary of Contents for PCE-WB 20SD

Page 1: ...62 Fax 561 320 9176 info pce americas com www pce instruments com english www pce instruments com PCE Instruments UK Ltd Units 12 13 Southpoint Business Park Ensign way Hampshire Southampton United Kingdom SO31 4RF From outside UK 44 Tel 0 2380 98703 0 Fax 0 2380 98703 9 info pce instruments com ...

Page 2: ...or you into the field of precision measurement A l t h o u g h t h i s DATALOGGER is a complex and delicate instrument its durable structure will allow many years of use if p r o p e r o p e r a t i n g t e c h n i q u e s a r e developed Please read t h e f o l l o w i n g instructions carefully and always keep this manual within easy reach OPERATION MANUAL ...

Page 3: ...tion selection and measurement 8 4 2 Data Hold 10 4 3 Data Record Max Min reading 11 4 4 LCD Backlight ON OFF 11 5 DATALOGGER 12 5 1 Preparation before execute datalogger function 12 5 2 Auto Datalogger Set sampling time 1 second 13 5 3 Manual Datalogger Set sampling time 0 second 14 5 4 Check time information 14 5 5 Check sampling time information 15 5 6 SD Card Data structure 15 6 Saving data fr...

Page 4: ...e Dew point Temp Adjustable WBGT alarm setting if the WBGT value over the alarm threshold the buzzer will sound along with the flashing Display Using to control and monitor of physical activity in hot environment to limit the danger of heat related injuries Globe temperature measurement use the Pt sensor high accuracy Fast humidity measuring response time Direct measurement of the radiation effect...

Page 5: ...n default auto power off or manual power off Data hold record max and min reading Microcomputer circuit high accuracy Power by UM3 AA 1 5 V x 6 batteries or DC 9V adapter RS232 USB PC COMPUTER interface 2 SPECIFICATIONS 2 1 General Specifications Circuit Custom one chip of microprocessor LSI circuit Display LCD size 52 mm x 38 mm LCD with green backlight ON OFF Measurement Wet bulb globe temperatu...

Page 6: ...a error no 0 1 of total saved data max Memory Card SD memory card 1 GB to 16 GB Advanced Set clock time Year Month Date setting Hour Minute Second Set WBGT alarm value Decimal point of SD card setting Auto power OFF management Set beep Sound ON OFF Select the temperature unit to or Set sampling time SD memory card Format Data Hold Freeze the display reading Memory Recall Maximum Minimum value Samp...

Page 7: ...cklight is OFF 1 Approx DC 25 mA A If LCD backlight on the power consumption will increase approx 11 mA Weight 489 g 1 08 LB Dimension Meter 177 x 68 x 45 mm Black brass 7 0 x 2 7x 1 9 inch ball Round 75 mm dia Standard Instruction manual 1 PC Accessories Black brass ball with sensor 1 PC Included Soft carrying case CA 05B 1 PC Optional SD Card 2 GB Accessories AC to DC 9V adapter USB cable USB 01...

Page 8: ... to 132 Accuracy 1 15 to 59 Indoor 1 5 Others 1 8 59 to 138 2 7 Others Accuracy 1 5 15 to 56 Outdoor 2 Others 2 7 59 to 132 3 6 Others WBGT Formula Indoor WBGT 0 7WB 0 3TG Outdoor and no sun Outdoor WBGT 0 7WB 0 2TG 0 1TA Outdoor and full sun Air temperature TA Range 0 to 50 32 to 122 Resolution 0 1 0 1 Accuracy 0 8 15 to 40 1 5 5 ...

Page 9: ...he Humidity Air Temp measurement automatically The Dew Point Temp accuracy is sum accuracy value of Humidity Air Temperature measurement Wet bulb Temp Range 21 6 to 50 0 Resolution 0 1 Range 6 9 to 122 0 Resolution 0 1 Remark Wet bulb display value is calculated from the Humidity Air Temp measurement automatically The Dew Point accuracy is sum accuracy value of Humidity Air temperature measurement...

Page 10: ... Button Time check Button 3 6 Logger Button Button Sampling time check Button 3 7 Humidity sensor Air Temp sensor TA sensor 3 8 Black ball Black globe Temp sensor 3 9 SD card socket 3 10 RS 232 Output Terminal 3 11 Reset Button 3 12 DC 9V Power Adapter Input Socket 3 13 Battery Compartment Cover 3 14 Battery Cover Screws 3 15 Stand 3 16 Tripod Fix Nut 3 17 Black ball fix screw 7 ...

Page 11: ... point Temp 4 Humidity and Air Temp TA 5 Black globe Temp TG Pressing the Function Button 3 3 Fig 1 continuously not release the button the Display will show the following text in sequence _bgt Wet bulb globe Temp WBGT in Indoor Outdoor and no sun out outdoor and full sun _b Wet bulb Temp WB dP Dew point Temp tg Black globe Temp TG rH Humidity tA Air Temp TA Until the Display show the desired mode...

Page 12: ...in or bgt out in Indoor Outdoor and no sun out Outdoor and full sun During make the WBGT measurement if pressing the in Outdoor Button 3 4 Fig 1 continuously will select the indoor WBGT or outdoor WBGT function 3 It can set the WBGT alarm value if the measurement value alarm setting value the buzzer will sound for warning along with the flashing Display The alarm value setting procedures please re...

Page 13: ...lower Display will show the Air Temp TA value 3 The humidity sensor and the air sensor is locate on the 3 7 Fig 1 Black globe Temp measurement 1 Power on the meter by pressing the Power Button 3 2 Fig 1 2 Function select to Black globe Temp measurement The upper Display will show the Black globe Temp value The lower Display will show the text tg 3 The Black globe sensor is locate into the center o...

Page 14: ... memory function continuously b Press the REC Button 3 4 Fig 1 again the REC MIN symbol along with the minimum value will appear on the display If intend to delete the minimum value just press the Hold Button 3 3 Fig 1 once then the display will show the REC symbol only and execute the memory function continuously c To exit the memory record function just press the REC button for 2 seconds at leas...

Page 15: ...een formatted by other meter or by other installation such as camera Reformat the memory card with your meter If the SD memory card exist the trouble during format by the meter use the Computer to reformat again can fix the problem c Time setting If the meter is used at first time it should to adjust the clock time exactly please refer chapter 7 1 page 18 d Decimal format setting The numerical dat...

Page 16: ...enable refer to Chapter 7 5 page 20 b Pause the datalogger During execute the Datalogger function if press the Logger Button 3 6 Fig 1 once will pause the Datalogger function stop to save the measuring data into the memory circuit temporally In the same time the text of REC will stop flashing Remark If press the Logger Button 3 6 Fig 1 once again will execute the Datalogger again the text of REC w...

Page 17: ... 3 5 Fig 1 the lower no position no will flashing It can use the Button 3 6 Fig 1 or Button 3 5 Fig 1 to set the measuring position 1 to 99 for example room 1 to room 99 to identify the measurement location the lower Display will show P x x 1 to 99 After the position no is selected press the Enter Button 3 4 Fig 1 to confirm b Finish the Datalogger Press the REC Button 3 4 Fig 1 continuously at le...

Page 18: ... the first time to execute the Datalogger under the route WBA01 will generate a new file name WBA01001 XLS After exist the Datalogger then execute again the data will save to the WBA01001 XLS until Data column reach to 30 000 columns then will generate a new file for example WBA01002 XLS 3 Under the folder WBA01 if the total files more than 99 files will generate anew route such as WBA02 4 The fil...

Page 19: ... SD card into the SD card adapter then connect the SD card adapter into the computer 3 Power ON the computer and run the EXCEL software Down load the saving data file for example the file name WBA01001 XLS WBA01002 XLS from the SD card to the computer The saving data will present into the EXCEL software screen for example as following EXCEL data screens then user can use those EXCEL data to make t...

Page 20: ...ting mode then press the Next Button 3 3 Fig 1 once a while in sequence to select the eight main function the lower display will show dAtE Set clock time Year Month Date Hour Minute Second AL Set WBGT alarm value dEC Set SD card Decimal character PoFF Auto power OFF management bEEP Set beeper sound ON OFF t CF Select the Temp unit to or SP t Set sampling time Sd F SD memory card Format 17 ...

Page 21: ...djust the value Setting start from Year value After the desired value is set press the Enter Button 3 4 Fig 1 once will going to next value adjustment for example first setting value is Year then next to adjust Month Date Hour Minute Second value 2 After set all the time value Year Month Date Hour Minute Second the screen will jump to Set WBGT alarm value setting screen Chapter 7 2 Remark After th...

Page 22: ...umerical data structure of SD card is default used the as the decimal for example 20 6 1000 53 But in certain countries Europe is used the as the decimal point for example 20 6 1000 53 Under such situation it should change the Decimal character at first When the lower display show dEC 1 Use the Button 3 6 Fig 1 or Button 3 5 Fig 1 to select the upper value to bASIC or Euro bASIC Use as the Decimal...

Page 23: ...to yES or no press the Enter Button 3 4 Fig 1 will save the setting function with default 7 5 Set beeper sound ON OFF When the lower display show bEEP 1 Use the Button 3 6 Fig 1 or Button 3 5 Fig 1 to select the upper value to yES or no yES Meter s beep sound will be ON with default no Meter s beep sound will be OFF with default is power ON 2 After select the upper text to yES or no press the Ente...

Page 24: ...7 7 Set sampling time seconds When the lower display show SP t 1 Use the Button 3 6 Fig 1 or Button 3 5 Fig 1 to adjust the value 1 2 5 10 30 60 120 300 600 1800 3600 seconds 2 After the Sampling value is selected press the Enter Button 3 4 Fig 1 will save the setting function with default 7 8 SD memory card Format When the lower display show Sd F 1 Use the Button 3 6 Fig 1 or Button 3 5 Fig 1 to ...

Page 25: ...ket 3 12 Fig 1 The meter will permanent power ON when use the DC ADAPTER power supply The power Button function is disable 9 BATTERY REPLACEMENT 1 When the left corner of LCD display show it is necessary to replace the battery However in spec measurement may still be made for several hours after low battery indicator appears before the instrument become inaccurate 2 Loose the screws of the Battery...

Page 26: ... method During the power on use a pin to press the Reset Button 3 11 Fig 1 once a while will reset the circuit system 11 RS232 PC SERIAL INTERFACE The instrument has RS232 PC serial interface via a 3 5 mm terminal 3 10 Fig 1 The data output is a 16 digit stream which can be utilized for user s specific application A RS232 lead with the following connection will be required to link the instrument w...

Page 27: ...When send the WBGT display data 1 When send the Humidity display data 2 When send the TA display data 3 When send the TG display data 4 When send the WB display data 5 When send the Dew point display data 6 D12 D11 Annunciator for Display 01 02 RH 04 D10 Polarity 0 Positive 1 Negative D9 Decimal Point DP position from right to the left 0 No DP 1 1 DP 2 2 DP 3 3 DP D8 to D1 Display reading D1 LSD D...

Page 28: ... working and physical activity Permissible heat exposure threshold limit Work rest regimen Light Moderate Heavy Each hour Continuous work 30 26 7 25 86 80 77 75 work 25 rest 30 6 28 25 9 87 82 78 50 work 50 rest 31 4 29 4 27 9 89 85 82 25 work 75 rest 32 2 31 1 30 90 88 86 Source AGGIH 1992 The American Conference of Governmental Industrial Hygienists 25 ...

Page 29: ... and unacclimatized persons should be curtailed 31 1 to 32 2 Red Intense exercise must be 88 to 89 9 curtailed for those with less than 12 weeks training in hot weather Be on high alert 32 2 Black Cancel all outdoor 90 exercise 13 PATENT The meter SD card structure already get patent or patent pending in following countries Germany Nr 20 2008 016 337 4 JAPAN 3151214 TAIWAN M 358970 M 359043 CHINA ...

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