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in-hypalm-v40 / 20051205

HygroPalm

Portable Humidity Temperature Indicator

Instruction Manual

V4.0

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Summary of Contents for HygroPalm Series

Page 1: ...in hypalm v40 20051205 HygroPalm Portable Humidity Temperature Indicator Instruction Manual V4 0...

Page 2: ...20 Maintenance 20 Specifications 21 Appendix 1 Practical Advice for Measuring Humidity 22 Appendix 2 Maintenance of the ROTRONIC probes 23 Cleaning or Replacing the Dust Filter of the Probe 23 Periodi...

Page 3: ...al connecting cable required HygroPalm 2 standard indicator accepts up to 2 ROTRONIC HygroClip digital probes indication of relative humidity temperature dew point wet bulb mixing ratio enthalpy etc o...

Page 4: ...libration of any digital probe connected to a ROTRONIC HygroFlex transmitter 3 4 RS232 digital port for connecting to the COM port of a PC 5 1 pressure probe or ROTRONIC analog probe restrictions appl...

Page 5: ...AC adapter for recharging the battery Models with an RS232 port can be connected to the COM port of a PC via the docking station Probes and Probe Inputs Model HygroPalm 1 HygroPalm 2 HygroPalm 3 Numbe...

Page 6: ...ration or has to be repaired it can be replaced with another probe in a few seconds The ROTRONIC HygroClip digital probes are available in different configurations so as to meet the requirements of ea...

Page 7: ...ge span of 2 5 VDC In theory this gives a resolution of 2 5 1024 0 00244 V In practice it is not possible to get 100 of the counts from an A D converter and the actual resolution should be about 0 002...

Page 8: ...probe input is being displayed small indicator on top of the display and up to 2 parameters measured by the probe with the associated engineering unit When relevant the message line provides addition...

Page 9: ...UP DOWN Press one of these keys to change the probe input that is being displayed When the menu is active use these keys to navigate the menu make a selection or to change a value ENTER When the menu...

Page 10: ...necting the RS232 port of the HygroPalm 3 to a PC see separate HW3 or HW4 manual HOLD function To freeze the measurements press briefly on the ON OFF key Press again briefly on the key to return to no...

Page 11: ...etric or English is factory programmed according to what was specified when the instrument was ordered The unit system can be changed by the user from the keypad see MENU SETTINGS or with the optional...

Page 12: ...only the calculated value See the separate HW3 or HW4 manual for instructions on how to program the HygroPalm 2 or 3 to compute a user specified parameter ADJUST M PT full calibration against a refer...

Page 13: ...equilibrium with the reference environment activate the Adjust M PT function and make the appropriate selections a RHS press the ENTER key to select this item The LC display shows the value read by t...

Page 14: ...s at equilibrium activate the Adjust 1PT function and make the appropriate selections a RHS press the ENTER key to select this item The LC display shows the value read by the probe at the time the ENT...

Page 15: ...asks you to wait for a short time and then shows the humidity and temperature read by the reference probe at the time the ENTER key was pressed Note that these values are not updated to the display as...

Page 16: ...left of the numerical value Humi Unit use the UP or the DOWN key to change the symbol used for relative humidity depends on country and language Accu Charge the battery charge function should always...

Page 17: ...nd or in the value of one of the arguments 106 HygroClip communication error the HygroClip probe does not answer or is not connected 107 calibration error the difference between the probe reading and...

Page 18: ...T function see Functions N A N A x 1 1 except for the functions CALCULATE and DISPLAY Procedure The Remote Control Mode is automatically activated by connecting any probe input of the HygroPalm to the...

Page 19: ...roClip digital probes Function ADJUST REF In the Remote Control Mode the function Adjust REF can be used to do a 1 point adjustment both humidity and temperature of a HygroClip probe 1 connected to th...

Page 20: ...one by entering and exiting a few times the function Adjust REF so as to check both probes prior to adjusting If the remote unit has a display the remote display simply repeats the data or commands sh...

Page 21: ...232 8 Battery status Automatic Indication HOLD function Briefly push the ON OFF Button Housing material ABS Housing dimensions 230 x 80 x 30 mm 9 05 x 3 15 x 1 18 Weight w o probe 200 g 0 44 lb 1 Spe...

Page 22: ...temperature difference between the probe and the environment to be measured the more time temperature equilibration requires This time can be shortened and errors avoided by using the probe configurat...

Page 23: ...rs 2 Before putting on a new dust filter check the alignment of both sensors with the probe The wires that connect the sensors to the probe are very thin and bend easily If necessary correct the align...

Page 24: ...owing requirements a Both the probe and a reference thermometer should be ventilated with the same stream of air Any dust filter used to protect the sensors should be carefully removed from the probe...

Page 25: ...n device Place one fiber disc each box of standards includes 5 discs in the receptacle of the calibration device The purpose of this disc is to prevent accidental spilling of the solution inside the c...

Page 26: ...of 75 RH at a temperature of 30 C corresponds to saturation above ice Water activity is the same as relative humidity except for the fact that it is expressed in p u instead of RH 100 0 RH 1 000 Aw D...

Page 27: ...p partial pressure of water vapor Pa R 8 31436 Pa x m3 K x mole T temperature of the gas mixture in K Dv g m3 p 0 4615 x T 1 gr grain 0 0648 g gram 1 cu ft 0 0283168 m3 Dv gr cu ft 0 437 x Dv g m3 Sp...

Page 28: ...ture in K r mw p ma Pb p r 621 97 x p Pb p g kg 1 gr grain 0 0648 g gram 1 lb 0 4535923 kg r gr lb 7 x r g kg Enthalpy The enthalpy or energy content of moist air at pressure Pb temperature t C and mi...

Page 29: ...ent This is especially true at low dew point values dew point depression of more than 40 50 C and at low temperatures In many applications repeatability is more critical than accuracy Repeatability of...

Page 30: ...following serial interface settings Settings 1 These settings are the factory default and are used by the ROTRONIC HW3 software Only 7 bit ASCII characters ASCII 32 to 127 are being used Parity even...

Page 31: ...CR asks instrument M03 to send measurement data When several instruments are connected together RS485 network commands directed to instruments other than the instrument that is physically connected to...

Page 32: ...nstrument directly connected to the COM port of the PC RS232 The following examples are for the HygroPalm The same commands can be used for other instruments with similar capabilities by substituting...

Page 33: ...t of HygroPalm 2 or 3 Cable length 3 meter 9 8 ft MOKX 03 WIN Calibration cable for HygroClip probes with 5 pin DAT05 connector Terminated with a 25 pin SUB D connector Converter 25 pin to 9 pin is su...

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