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Operating manual
WBGT PMV PPD indices
HD32.3
www.deltaohm.com
English
Keep for future reference.
Companies / Brands of GHM
HD32.3 - 2 - V1.4
INDEX
1. GENERAL FEATURES ...................................................................................................................................... 3
2. WORKING PRINCIPLE ..................................................................................................................................... 6
2.1.1 WBGT Index ............................................................................................................................................. 6
2.1.2 Predicted Mean Vote (PMV) and Predicted Percentage of Dissatisfied (PPD) ........................................... 7
2.1.3 Medium radiant temperature tr ................................................................................................................15
3. USER INTERFACE ............................................................................................................................................17
3.1 THE DISPLAY ...................................................................................................................................................17
3.2 T HE KEYBOARD ...............................................................................................................................................18
4. WORKING ..........................................................................................................................................................20
4.1.1 The measurement “Unit” .........................................................................................................................21
4.1.2 The maximum, minimum and medium values of the detected sizes .............................................................21
4.1.3 Instrument setting ....................................................................................................................................21
4.1.4 The immediate printing of the data ...........................................................................................................22
4.1.5 Start a memorization section (Logging) ....................................................................................................23
5. THE MAIN MENU .............................................................................................................................................24
5.1 I MENU NFO .....................................................................................................................................................24
5.2 L M OGGING ENU ...............................................................................................................................................26
5.2.1 Log Interval .............................................................................................................................................26
5.2.2 Self Shut-off modeThe automatic switching off ......................................................................................27
5.2.3 Start/stop time – The automatic start ........................................................................................................28
5.2.4 Cancel auto start .....................................................................................................................................29
5.2.5 Log File Manager ....................................................................................................................................30
5.3 ( SERIAL MENU SERIAL COMMUNICATION) .....................................................................................................35
5.3.1 Baud Rate ................................................................................................................................................36
5.3.2 Print Interval ...........................................................................................................................................36
5.4 R ESET..............................................................................................................................................................37
5.5 C ONTRAST .......................................................................................................................................................37
5.6 S ETUP PMV .....................................................................................................................................................38
6. PROBES AND MEASUREMENTS ....................................................................................................................39
6.1.1 Instruction, accuracy and maintenance of the probes ...............................................................................45
7. SERIAL AND USB INTERFACES ....................................................................................................................46
7.1 T HE DATA MEMORIZATION AND THE DATA TRANSFER TO A PC ...........................................................................48
7.1.1 Logging function......................................................................................................................................48
7.1.2 Erase function: cancellation of the memorized data ..................................................................................48
7.1.3 Print function ..........................................................................................................................................48
9. INSTRUMENT SIGNALS AND FAULTS .........................................................................................................49
10. BATTERY SYMBOL AND BATTERY REPLACEMENT MAIN POWER SUPPLY ................................50
10.1 WARNING ABOUT THE BATTERIES USE .............................................................................................................50
11. INSTRUMENT STORAGE ..............................................................................................................................51
12. PRINTING OF THE MEASUREMENT REPORT .........................................................................................52
13. NOTES ON WORKING AND OPERATING SAFETY...................................................................................65
14. TECHNICAL CHARACTERISTICS ...............................................................................................................66
15. ORDERING CODES .........................................................................................................................................69
15.1 PROBES FOR HD32.3 ...................................................................................................................................69
HD32.3 - 3 - V1.4
1. GENERAL FEATURES
HD32.3 is designed for:
Analysis of hot environments through WBGT index (Wet Bulb Globe Temperature) in pres-
ence or absence of solar radiation.
Analysis of moderate environments through PMV index (Predicted Mean Vote) and PPD in-
dex (Predicted Percentage of Dissatisfied).
The instrument is provided with three inputs for probes with SICRAM module: the probes have an
electric circuit that communicates with the instrument; the sensor calibration data are saved in its
permanent memory.
All the SICRAM probes can be inserted in one of the inputs: they are automatically recognized
when you switch the instrument on.
The main features of the instrument are:
Logging: acquisition and memorization of data inside the instrument. Memory capacity: 64
different logging sections, with the possibility to set the acquisition interval of the samples.
You can set the duration of the memorization and, with auto-start function; it’s possible
to set the starting and finishing date and the hour of data memorization.
The measurement unit of the temperature visualized sizes: °C, °F, °K.
The system date and hour.
The visualization of the maximum, minimum and medium statistic parameters and their
cancellation.
The transfer speed of the data through the serial port RS232.
NOTE: The set acquisition interval is the same for all the probes connected to the instrument.
HD32.3 instrument can contemporarily detect the following sizes:
Globe thermometer temperature Tg with TP3276.2 TP3275 or probe.
Wet bulb temperature with natural ventilation Tn with HP3201.2, HP3201 or TP3204S
probe.
Ambient temperature T with TP3207.2 TP3207 or probe.
Relative Humidity RH and ambient temperature T with HP3217.2 or HP3217R probe.
Air speed Va with or AP3203.2 AP3203 probe.
On the basis of the detected measurements, HD32.3 with TP3207.2 (or (or TP3207), HP3276.2
HP3275) and HP3201.2 (or HP3201 / TP3204S) can calculate:
WBGT(in) index (Wet Bulb Glob Temperature: wet bulb and globe thermometer tempera-
ture) in absence of solar irradiation.
WBGT(out) index (Wet Bulb Glob Temperature: wet bulb and globe thermometer tempera-
ture) in presence of solar irradiation.
On the basis of the detected measurements, HD32.3 with HP3217.2 (or HP3217R), HP3276.2 (or
HP3275) and AP3203.2 (or AP3203) probes can calculate:
Medium radiant temperature Tr.
PMV index (Predicted Mean Vote).
PPD index (Predicted Percentage of Dissatisfied).

Produktspecifikationer

Varumärke: Delta Ohm
Kategori: Termometer
Modell: HD32.3

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