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USER'S GUIDE

Vaisala HUMICAP® Humidity Module

HMM100

M211024EN-B

Summary of Contents for HUMICAP HMM100

Page 1: ...USER S GUIDE Vaisala HUMICAP Humidity Module HMM100 M211024EN B ...

Page 2: ...thout prior written permission of the copyright holder Translated manuals and translated portions of multilingual documents are based on the original English versions In ambiguous cases the English versions are applicable not the translations The contents of this manual are subject to change without prior notice This manual does not create any legally binding obligations for Vaisala towards custom...

Page 3: ...otice 8 Trademarks 8 License Agreement 8 Warranty 9 CHAPTER 2 PRODUCT OVERVIEW 11 Introduction to HMM100 Series Humidity Modules 11 Basic Features and Options 12 Probe Types 13 Filter Types 14 Catalytic VHP Filter 15 Installation Accessories 16 Probe Mounting Flange 16 Mounting Bracket with Lid 17 Module Housing IP65 18 Probe Mounting Clamp 19 CHAPTER 3 INSTALLATION 21 Dimensions 21 Installing the...

Page 4: ... Output 39 Configuring Serial Line Operation 40 Set Serial Line Settings 40 Set Terminal Echo 40 Set Module Address 41 Set Serial Interface Mode 41 Configuring Measurement Parameters 42 Set Environmental Compensation Values 42 Set Temporary Pressure Compensation Value 43 Configuring Analog Output 44 Set Analog Output Mode 44 Select Analog Output Quantity and Scaling 44 Test the Analog Output 45 Ot...

Page 5: ..._________________ 3 CHAPTER 6 TROUBLESHOOTING 61 Analog Output Error Notification 61 Solving Typical Problems 62 Technical Support 63 Product Returns 63 CHAPTER 7 TECHNICAL DATA 65 Specifications 65 Performance 65 Relative Humidity 65 Dewpoint Temperature 65 Operating Environment 66 Inputs and Outputs 66 Mechanics 67 Options and Accessories 68 ...

Page 6: ... the Lower Clamp Part 20 Figure 11 HMM100 Dimensions 21 Figure 12 Component Board 3 wire version 22 Figure 13 Wiring for 2 wire Output 24 Figure 14 Wiring for 3 wire Output 24 Figure 15 PuTTY Terminal Application 29 Figure 16 Changing the Sensor 50 Figure 17 Trimmers for Offset and Gain 52 Figure 18 Loop Supply Voltage Versus Loop resistance 67 List of Tables Table 1 Manual Revisions 6 Table 2 Rel...

Page 7: ...tion provides general notes for the manual and the product Chapter 2 Product Overview introduces the features advantages and the product nomenclature of the HMM100 Chapter 3 Installation provides you with information that is intended to help you install the HMM100 Chapter 4 Operation contains information that is needed to operate the HMM100 Chapter 5 Maintenance provides information that is needed...

Page 8: ...M211078EN Module Housing for Humidity Module HMM10 Quick Reference Guide M211079EN Mounting Bracket for Humidity Module HMM10 Quick Reference Guide M211080EN Mounting Flange for Humidity Probes Quick Reference Guide Documentation Conventions Throughout the manual important safety considerations are highlighted as follows WARNING Warning alerts you to a serious hazard If you do not read and follow ...

Page 9: ... protected against ESD for their intended use However it is possible to damage the product by delivering electrostatic discharges when touching exposed components To make sure you are not delivering high static voltages yourself Handle ESD sensitive components on a properly grounded and protected ESD workbench When this is not possible ground yourself to the equipment chassis before touching the b...

Page 10: ... to the open frame module In the final product the module PC board should be installed in a user restricted location enclosure for continued ESD protection Patent Notice The HMM100 is protected by the following patents and patent applications and their corresponding national rights Finnish patent 98861 French patent 6650303 German patent 69418174 Japanese patent 3585973 UK patent 0665303 U S paten...

Page 11: ...Internet pages for standard warranty terms and conditions www vaisala com warranty Please observe that any such warranty may not be valid in case of damage due to normal wear and tear exceptional operating conditions negligent handling or installation or unauthorized modifications Please see the applicable supply contract or Conditions of Sale for details of the warranty for each product ...

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Page 13: ...s the recommended quantity if the measurement environment has significant temperature differences Table 3 Quantities Measured by HMM100 Quantity Range Relative humidity RH 0 100 Dewpoint Td 20 100 ºC 4 212 ºF All HMM100 modules include automatic temperature compensation across the operating temperature range using an integrated PT1000 sensor No external temperature compensation should be applied t...

Page 14: ...ess steel probe Analog output options 4 20 mA loop powered 2 wire output model 0 20 mA or 0 1 5 10 V 3 wire output model user configurable using service port Cable lengths 0 65 m 1 55 m or 2 9 m for plastic probe 1 55 m or 2 9 m for stainless steel probe Various filter types see section Filter Types on page 14 Optional installation accessories Probe mounting flange Probe mounting clamp Mounting br...

Page 15: ...c or stainless steel probe The plastic probe is suitable for most applications Both probe types have the same operational temperature range Note that the operational temperature range is also affected by the filter see section Filter Types on page 14 Figure 2 below shows the plastic probe with a membrane filter top and the stainless steel probe with a sintered stainless steel filter bottom 0909 02...

Page 16: ...erties No Filter Diameter Pore Size Temperature Range 1 Plastic grid filter fastest response time 12 mm 20 80 ºC 4 176 ºF 2 Membrane filter 12 mm 0 2 µm 20 80 ºC 4 176 ºF 3 Porous PTFE filter general purpose 12 mm 8 µm 70 180 ºC 94 356 ºF 4 Stainless steel sintered filter 12 mm 38 µm 70 180 ºC 94 356 ºF 5 Catalytic VHP filter VHP applications 12 mm 38 µm 70 180 ºC 94 356 ºF The catalytic VPH filte...

Page 17: ...a HUMICAP sensor is compatible with direct VHP exposure even at high concentrations and hundreds of VHP cycles up to saturation The long term performance is very good at concentrations higher than typically used for sterilization However for the applications where full saturation is possible Vaisala recommends using the catalytic VHP filter to protect the sensor and extend the calibration interval...

Page 18: ...nd Accessories on page 68 Probe Mounting Flange The probe mounting flange is used to seal the cable pass through in the chamber wall The flange can also be used to hold the probe itself in case the probe cannot be mouted on the chamber wall otherwise This mounting is not ideal since leaving the probe cable completely outside the measurement environment may cause heat conduction that affects the me...

Page 19: ...___________________________________________________ 17 Mounting Bracket with Lid The optional mounting bracket includes a metal backplate and a plastic lid for the component board The bracket does not provide IP rated protection The bracket can be installed on a DIN rail 0911 105 Figure 5 Mounting Bracket with Lid ...

Page 20: ...________________ M211024EN B Module Housing IP65 The optional module housing is an IP65 rated housing The module is installed inside the housing in a mounting bracket provided with the housing The housing has two cable glands A coaxial plug is provided for sealing the gland for the probe cable 0911 096 Figure 6 Optional Module Housing ...

Page 21: ...n be detached for calibration simply by loosening the lower screw Installing the entire probe in the measurement environment prevents heat conduction to the sensor and is the recommended installation method To mount the HMM100 probe to the mounting clamp 1 Align the slots on the clamp parts as shown in Figure 7 below 1209 001 Figure 7 Aligning Mounting Clamp Slots 2 Slide the lower clamp part over...

Page 22: ..._______________ M211024EN B 3 Place the clamp to the intended location and secure the upper clamp part with a screw See Figure 9 below 1209 003 Figure 9 Securing the Upper Clamp Part 4 Place the probe in the clamp 5 Tighten the lower clamp part with a screw as shown in Figure 10 below 1209 004 Figure 10 Tightening the Lower Clamp Part ...

Page 23: ...________ Installation VAISALA _______________________________________________________________________ 21 CHAPTER 3 INSTALLATION This chapter provides you with information that is intended to help you install the HMM100 Dimensions 0905 044 Figure 11 HMM100 Dimensions ...

Page 24: ...les on the corners of the component board Use the optional mounting bracket Vaisala order code 225979 if needed 2 Make sure that the module has a good earth connection from the plated mounting hole See Figure 12 below NOTE The installation holes on the component board are compatible with Vaisala HMM22 and HMM30 humidity modules Remember to disable temperature compensation if any in the measurement...

Page 25: ... location Use the probe mounting clamp Vaisala order code 226067 if needed Insert enough cable to the same space with the probe in order to prevent heat conduction and to make it easy to move the probe when performing a calibration If you cannot install the probe entirely in the measurement environment you can use the probe mounting flange Vaisala order code 226061 to mount the probe through the c...

Page 26: ...Figure 13 Wiring for 2 wire Output 3 wire Output See Figure 14 below Provide the required supply voltage according to the output type 10 35 VDC or 19 2 28 8 VAC for 0 20 mA 1 5 V output 15 35 VDC or 19 2 28 8 VAC for 0 10 V output 0905 048 Figure 14 Wiring for 3 wire Output When using the 3 wire output module you may also connect a fourth wire to the Out terminal It is internally connected to the ...

Page 27: ... correctly Power up the module and check the output reading preferably using a humidity reference Optional connect to the service port and use the ATEST command to set the analog output to desired voltage or current Verify that your measurement system shows the correct reading See section Select Analog Output Quantity and Scaling on page 44 Note that ATEST is one of the advanced serial commands th...

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Page 29: ...g output The cable does not provide operation power to the module you must power it normally through the screw terminals If you have not used the HMM100 USB cable before install the driver that came with the cable Refer to section Installing the Driver for the USB Cable below for detailed instructions Installing the Driver for the USB Cable Before taking the USB cable into use you must install the...

Page 30: ...rument Driver from the Add or Remove Programs Programs and Features in Windows Vista in the Windows Control Panel Terminal Application Settings The default settings of the HMM100 serial interface are presented in Table 5 Table 5 HMM100 Default Serial Interface Setting Property Description Value Baud rate 19200 Parity None Data bits 8 Stop bits 1 Flow control None The steps below describe how to co...

Page 31: ...is unable to open the serial port you selected it will show you an error message instead If this happens restart PuTTY and check the settings 6 You may need to adjust the Local echo setting in the Terminal category to see what you are typing on the serial line To access the configuration screen while a session is running click the right mouse button over the session window and select Change Settin...

Page 32: ...mporary connection returns to POLL mode ECHO ON OFF Set terminal echo ENV Set environmental parameters ERRS Display active errors HELP List available commands INTV 0 255 S MIN H Set the continuous output interval for RUN mode OPEN 0 99 Open a temporary connection to a POLL mode device PASS passcode Access advanced commands requires passcode R Start the continuous outputting RESET Resets the module...

Page 33: ...easurement FRESTORE Restore all module settings to factory defaults L Show user adjustment parameters LI Set user adjustment parameters RHCAL Calibrate humidity measurement SMODE STOP RUN POLL Set the serial interface mode ZERO Set correction by trimmers to zero Device Information and Status Show Device Information The command outputs a listing of device information cr Example Device Name HMM100 S...

Page 34: ...o Calibration lab 2 Calibration location Calibration lab 2 Show Analog Output Status The STATUS command shows the following information Current analog output state ON for normal ERROR if an error is active Status of analog channel error notification ON for enabled OFF for disabled See section Analog Output Error Notification on page 61 Scaling of the selected output quantity low and high values Er...

Page 35: ...A 1 1 10 3031 Serial Line Output Commands Start Measurement Output Use the R command to start the continuous outputting of measurement values as an ASCII text string to the serial line The output always includes the readings of the currently selected analog output quantity RH or Td and temperature The format is fixed R cr Example r RH 25 10 T 24 77 C RH 25 12 T 24 96 C RH 25 17 T 25 20 C Outputtin...

Page 36: ... RUN mode is used The shortest output interval is one second This command has no effect on the operation of the analog output INTV n xxx cr where n Time interval in range 1 255 xxx time unit S MIN or H Example intv 1 s Value 1 Unit S Output a Reading Once Use the SEND command to output a single measurement reading from the module SEND aa cr where aa Module address 0 99 Must be specified if the mod...

Page 37: ...performing a one point calibration you need to place the probe in a single humidity reference with RH 50 Run the command and enter the exact RH of the reference after the measurement has stabilized Exit the command by pressing the ESC key before proceeding to the second point see example 1 below To update the value press ENTER without inputting a value For two point calibration the first point req...

Page 38: ... and enter the exact temperature of the reference after the measurement has stabilized Exit the command by pressing the ESC key before proceeding to the second point see example 1 below To update the value press ENTER without inputting a value For two point calibration the second reference point must be at least 20 ºC warmer than the first The measurement reading for the second point will appear w...

Page 39: ...d significantly For normal adjustment use the RHCAL command instead CRH cr When performing a one point calibration you need to place the probe in a single humidity reference with RH 50 Run the command and enter the exact RH of the reference after the measurement has stabilized Exit the command by pressing the ESC key before proceeding to the second point see example 1 below For two point calibrati...

Page 40: ...librated using the RHCAL command T offset and gain calibrated using the CT command Example shows default values no user calibration done l Cp offset 0 Cp gain 1 RH offset trimmer 0 RH gain trimmer 1 RH offset 0 RH gain 1 T offset 0 T gain 1 Set User Adjustment Parameters Use the LI command to set the user adjustment parameters directly This command is useful for restoring the desired adjustments a...

Page 41: ...ero Calibrate Analog Output Use the ACAL command to calibrate the currently active analog output mode You must use this command if you change the analog output mode using the AMODE command ACAL cr After you give this command the analog output of the module is set to the low limit of the selected output voltage or current Measure the output and enter the measured value After entering the low limit ...

Page 42: ...ter changing the settings to store them The new settings will be taken into use when the module is reset or powered up SERI b p d s cr where B baud rate 9600 19200 38400 76800 115200 P parity n none e even o odd D data bits 7 or 8 S stop bits 1 or 2 Examples seri Baud P D S 19200 N 8 1 seri 9600 e 7 1 Baud rate 9600 Parity E Data bits 7 Stop bits 1 save Saving settings done Set Terminal Echo To sh...

Page 43: ... command to show or set the serial interface mode Note that a separate SAVE command is not needed to store the new serial interface mode setting SMODE xxx cr where xxx STOP RUN or POLL In STOP mode outputting only when command is issued any command can be used In RUN mode outputting automatically only command S can be used In POLL mode outputting only when command is issued any command can be used...

Page 44: ... can be compensated for ambient pressure The value set using ENV command is a permanent value which will survive a restart Use the command XPRES instead if the value is changed frequently see section Set Temporary Pressure Compensation Value on page 43 ENV x xxxx cr where x xxxx Absolute pressure in the measuring environment The default is 1 013 The pressure unit is bar Example env Pressure bar 1 ...

Page 45: ...___________ 43 Set Temporary Pressure Compensation Value Use the XPRES command to show or set the temporary ambient pressure value for pressure compensation This value is cleared to 0 0 at reset XPRES x xxxx cr where x xxxx Absolute pressure in the measuring environment The pressure unit is bar Example xpres Pressure bar 0 xpres 1 029 Pressure bar 1 029 ...

Page 46: ...oop powered NOTE If you change the analog output mode you must calibrate the new mode using the ACAL command See section Calibrate Analog Output on page 39 AMODE mode cr where mode Analog output mode Modes for 3 wire output model 0 1V 0 5V 0 10V 0 20mA 4 20mA Modes for 2 wire output model 4 20mA Example show current mode amode Ch1 0 10V Example set mode to 0 20 mA amode 0 20ma Ch1 0 20MA Select An...

Page 47: ...antity TD Level Lo 10 Level Hi 60 Test the Analog Output Use the ATEST command to test the analog output The ATEST command will force the output to the given value which can then be measured with a calibrated multimeter The command uses the currently selected analog output mode voltage or current so you do not have to specify the unit Before testing check the currently set analog output mode using...

Page 48: ...commands If the PASS command has not been used only the basic commands are available HELP cr Enable Advanced Commands Use the PASS command to enable the advanced commands PASS passcode cr where passcode Use 1300 to enable the advanced commands Example pass 1300 Display the Currently Active Errors Use the ERRS command to display the currently active error codes For troubleshooting active errors see...

Page 49: ...99 Example open 1 HMM100 1 line opened for operator commands Closing the Connection in POLL Mode The CLOSE command closes the connection to the module CLOSE cr Example close line closed Save Changed Settings Use the SAVE command to save changed settings to the module memory Most settings have to be saved or the changes are lost at the next reset or power down NOTE The SMODE command saves the new s...

Page 50: ...mmand to reset the module Upon reset or power up the module enters the serial mode that has been set with the SMODE command RESET cr Example module set to serial mode STOP will output module software version at reset reset HMM100 VAISALA 1 1 10 3031 Restore Factory Settings Use the FRESTORE command to restore the factory settings to the module All user settings including the analog output mode and...

Page 51: ...rs are easily damaged handle the probe carefully 3 Check that the O ring is undamaged and in place 4 Install a new filter on the probe and tighten it so it is finger tight Make sure the filter sits straight and meets the threads properly New filters can be ordered from Vaisala For available filters see section Filter Types on page 14 The order codes of the filters are listed in section Options and...

Page 52: ...e Handle the new sensor by the plastic socket DO NOT TOUCH THE SENSOR PLATE 3 Perform a calibration and adjustment using the CRH command as instructed in section Capacitance Calibration CRH on page 58 4 Attach a new filter on the probe When using the stainless steel filter take care to tighten the filter properly recommended force 5 Nm 1209 033 Figure 16 Changing the Sensor The following numbers r...

Page 53: ...SB cable Vaisala order code 226068 and a PC with a terminal application You also need a humidity reference and a Phillips head screwdriver for zeroing the trimmers As a humidity reference you can use for example the Vaisala Humidity Calibrator HMK15 Installing the probe properly will also help with the calibration Ideally the probe should be placed completely in the environment with enough cable t...

Page 54: ...fset correction requires a 50 RH reference Offset and gain correction requires additionally a 50 RH reference with over 30 RH difference between the two points NOTE The trimmers will only turn 135 degrees each way less than half a rotation Do not force the trimmer past the stopping point 0905 045 Figure 17 Trimmers for Offset and Gain The procedure on page 53 provides an example adjustment of offs...

Page 55: ...RH and wait for the reading to stabilize 5 If necessary adjust the gain trimmer to achieve the output reading that corresponds to 75 RH For 4 20 mA output the reading should be 16 mA For 0 5 V output the reading should be 3 75 V 6 Optional repeat steps 2 4 to check the adjustment result If you want to undo the adjustment return the trimmers to their original position Calibration and Adjustment Usi...

Page 56: ...cable is using 3 Verify that the connection works by giving the command If the module does not respond with device information Check that the module is powered Try the command in case the module is in POLL state open the line using OPEN command if necessary Check your serial line settings and cable connections Power off the module unplug the USB cable restart the terminal application and try again...

Page 57: ...procedure To refresh the measured value without typing in the correction press ENTER 11 If you only want to perform a one point calibration offset correction press the ESC key after entering the correction The RHCAL command will exit and you can move to step 14 RH 10 99505360 Ref1 11 Press any key when ready To continue with the calibration of the wet end gain correction press ENTER 12 Insert the ...

Page 58: ... The default serial settings are 19200 8 N 1 Remember to check which COM port the USB cable is using 3 Verify that the connection works by giving the command If the module does not respond with device information Check that the module is powered Try the command in case the module is in POLL state open the line using OPEN command if necessary Check your serial line settings and cable connections Po...

Page 59: ...ER 10 If you only want to perform a one point calibration offset correction press the ESC key after entering the correction The CT command will exit and you can move to step 14 ct T 21 9847 Ref1 22 Press any key when ready OK To continue with the calibration of the warmer end gain correction press ENTER 11 Insert the probe in the second temperature refence and wait for 20 40 minutes for the readin...

Page 60: ...e point calibration requires a 50 RH reference Two point calibration requires additionally a 50 RH reference with over 30 RH difference between the two points 1 Connect the USB cable to the service port on the module and to a USB port on your PC 2 Start a terminal application and set the correct connection settings The default serial settings are 19200 8 N 1 Remember to check which COM port the US...

Page 61: ...set correction for the measurement crh RH 10 97112003 Ref1 10 You now have three choices To apply the correction type 11 and press ENTER assuming you are using the HMK15 and the LiCl salt To exit the CRH command without adjusting the measurement press the ESC key and exit this procedure To refresh the measured value without typing in the correction press ENTER 11 If you only want to perform a one ...

Page 62: ...__________________ 60 __________________________________________________________________ M211024EN B 14 Use the L command to verify that the new user adjustment parameters are in use l 15 Measure the value of the analog output to verify that the measurement is OK ...

Page 63: ...rrently selected analog output mode see Table 8 below Table 8 Error Levels for Analog Output Modes Analog Output Mode Default Error Level Maximum Value 0 1 V 0 V 2 V 0 5 V 0 V 6 V 0 10 V 0 V 12 V 0 20 mA 0 mA 30 mA 4 20 mA 3 8 mA 30 mA You can check the current status of the analog output via the serial interface by using the STATUS command You can also disable this error notification behavior see...

Page 64: ...ollowing errors may be active RH reading too high RH reading too low Check for condensation on the probe and sensor Check that you are not applying temperature compensation in the measurement system HMM100 has its own Check for heat conduction through the cable Place more cable in the chamber if needed Check the position of the trimmers Use the L command to check the currently applied calibration ...

Page 65: ...meter storage checksum error Sensor coefficient checksum error Current settings checksum error Default settings checksum error Log corrupted Resistance measurement Internal error Perform the following steps 1 Reset or power cycle the module Check if the error is gone 2 Return the module to factory settings using the FRESTORE command Check again 3 If the error is still active contact a Vaisala serv...

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Page 67: ...ent range 0 100 RH Accuracy including non linearity hysteresis and repeatability Temperature range 20 40 ºC 4 104 ºF 0 90 RH 2 RH 90 100 RH 3 RH Temperature range 40 20 ºC 40 4 ºF 40 180 ºC 104 356 ºF 0 90 RH 2 5 RH 90 100 RH 3 5 RH Factory calibration uncertainty 20 C 1 5 RH Humidity sensor Vaisala HUMICAP 180R Dewpoint Temperature Measurement range 20 100 ºC 4 212 ºF Td Accuracy including non li...

Page 68: ...d Outputs Analog output types 1 output selectable 2 wire model 4 20 mA loop powered 3 wire model 0 20 mA 0 1V 5V 10V Service port M8 connector for USB cable Operating voltage 2 wire model 24 VDC with 800 ohm load resistance see Figure 18 on page 67 3 wire model 10 35 VDC or 19 2 28 8 VAC 15 35 VDC or 19 2 28 8 VAC when 0 10 V output is used Typical power consumption 6 mA see Table 10 below Table 1...

Page 69: ... Loop Resistance Mechanics Service cable connector M8 series 4 pin male Wire size for screw terminals 0 5 1 5 mm2 Probe cable lengths Plastic probe 0 65 m 1 55 m 2 9 m Stainless steel probe 1 55 m 2 9 m Materials Plastic probe PPS Stainless steel probe AlSI316 PPS Probe mounting clamp AISI316 Probe mounting flange Silicone AISI316 Mounting bracket bottom plate Al Mounting bracket lid ABS PC Module...

Page 70: ...Options and Accessories Description Item code Humidity sensor HUMICAP180R Membrane filter 10159HM Plastic grid filter 6221 Porous PTFE filter 219452SP Stainless steel sintered filter HM47280SP Catalytic VHP filter 231865 Mounting bracket with lid 225979 Module housing IP65 226060 Probe mounting flange 226061 Probe mounting clamp set 10 pcs 226067 USB cable 226068 ...

Page 71: ...Chapter 7 ____________________________________________________________ Technical Data VAISALA _______________________________________________________________________ 69 ...

Page 72: ...www vaisala com M211024EN ...

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