USER'S GUIDE Vaisala Humidity and Temperature Probes HMP60, HMP110 and HMP110T M211060EN-C
PUBLISHED BY Vaisala Oyj P.O. Box 26 FI-00421 Helsinki Finland Phone (int.): +358 9 8949 1 Fax: +358 9 8949 2227 Visit our Internet pages at www.vaisala.com © Vaisala 2011 No part of this manual may be reproduced in any form or by any means, electronic or mechanical (including photocopying), nor may its contents be communicated to a third party without prior written permission of the copyright holder. The contents are subject to change without prior notice.
________________________________________________________________________________ Table of Contents CHAPTER 1 GENERAL INFORMATION............................................................................ 5 About This Manual ................................................................... 5 Contents of This Manual ....................................................... 5 Version Information ............................................................... 6 Related Manuals ...............................
User's Guide ______________________________________________________________________ Connecting to the Serial Interface .......................................25 Installing the Driver for the USB Cable................................27 Terminal Application Settings for Probes in RS-485 Mode .28 Terminal Application Settings for Probes in Analog Mode ..30 List of Serial Commands .......................................................31 Device Information and Status.............................................
________________________________________________________________________________ CHAPTER 6 TROUBLESHOOTING ................................................................................. 57 Solving Typical Problems ..................................................... 57 Technical Support .................................................................. 58 Product Returns ..................................................................... 58 CHAPTER 7 TECHNICAL DATA ..................................
User's Guide ______________________________________________________________________ List of Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 HMP60 (Left) and HMP110 (Right) ..........................................11 Filter Options ............................................................................13 Probe Mounting Clamp in Use..................................................
Chapter 1 ________________________________________________________ General Information CHAPTER 1 GENERAL INFORMATION This chapter provides general notes for the manual and the products. About This Manual This manual provides information for installing, operating, and maintaining Vaisala Humidity and Temperature Probes HMP60, HMP110 and HMP110T.
User's Guide ______________________________________________________________________ Version Information Table 1 Manual Code M211060EN-C M211060EN-B Manual Revisions Description June 2011. This manual. Applicable from software version 1.05.2 onward. Probe material changed to stainless steel. Technical specification updated. Previous version. New probe type HMP110T added. Serial command AOVER added in software version 1.03. Serial command descriptions updated. Technical specification updated.
Chapter 1 ________________________________________________________ General Information Safety The product delivered to you has been tested for safety and approved as shipped from the factory. Note the following precautions: WARNING Ground the product, and verify outdoor installation grounding periodically to minimize shock hazard. CAUTION Do not modify the unit. Improper modification can damage the product or lead to malfunction.
User's Guide ______________________________________________________________________ Recycling Recycle all applicable material. Dispose of batteries and the unit according to statutory regulations. Do not dispose of with regular household refuse.
Chapter 1 ________________________________________________________ General Information Trademarks Vaisala INTERCAP® and Vaisala HUMICAP® are registered trademarks of Vaisala Oyj. Windows® is a registered trademark of Microsoft Corporation in the United States and/or other countries. License Agreement All rights to any software are held by Vaisala or third parties.
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Chapter 2 __________________________________________________________ Product Overview CHAPTER 2 PRODUCT OVERVIEW This chapter introduces the product features and options. Introduction to HMP60, HMP110, and HMP110T Vaisala Humidity and Temperature Probes HMP60 and HMP110 are simple and cost-effective humidity transmitters suitable for volume applications, integration into other manufacturers’ equipment, incubators, glove boxes, greenhouses, fermentation chambers, and data loggers.
User's Guide ______________________________________________________________________ Table 3 Quantities Measured by the HMP60 and HMP110 Quantity Relative humidity Dewpoint/Frostpoint temperature* Temperature Abbreviation RH Td/f Metric Unit %RH ºC Non Metric Unit %RH ºF T ºC ºF * When the dewpoint is below 0 °C, the probe outputs frostpoint for Td HMP110T is a temperature measurement only version of the HMP110 probe.
Chapter 2 __________________________________________________________ Product Overview Filter Options The available filters for HMP60, HMP110 and HMP110T are shown in Figure 2 below. For order codes, see section Options and Accessories on page 62. 1001-008 Figure 2 Filter Options Table 5 Filter Properties No. 1 2 3 Filter Plastic grid filter (fastest response time) Membrane filter Stainless steel sintered filter Diameter 12 mm 12 mm 12 mm Pore Size 0.
User's Guide ______________________________________________________________________ Installation Accessories (Optional) Probe Mounting Clamp The optional mounting clamp makes it easy to install the probe on the wall of the measurement environment. The probe can be detached for calibration simply by loosening the lower screw.
Chapter 2 __________________________________________________________ Product Overview Duct Installation Kit The duct installation kit includes a plastic pipe with a flange (Vaisala order code: 215619). To install the probe with the duct installation kit, drill a hole to the duct wall, assemble the probe to the duct installation kit, slide the probe head through the hole, and attach the flange to the duct wall with four screws. See page 20 for details.
User's Guide ______________________________________________________________________ Loop Power Converter The loop power converter is an open frame module that converts one 0 ... 2.5 VDC voltage output to a 4 ... 20 mA current output. To use the loop power converter module, the probe: - must be in the analog output mode - the desired quantity must be on channel 1 - channel 1 must be scaled to 0 ... 2.5 V Wiring instructions are provided in section Wiring with the Loop Power Converter on page 22.
Chapter 2 __________________________________________________________ Product Overview Cables The probe cables have a standard M8 connector. Also other compatible M8 series cables can be used. 0910-135 Figure 7 Cable with Threaded Connector The USB Serial Interface Cable uses a snap-on connector. The USB cable is intended for maintenance purposes only, not for permanent installation.
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Chapter 3 _______________________________________________________________ Installation CHAPTER 3 INSTALLATION This chapter provides you with information that is intended to help you install the product.
User's Guide ______________________________________________________________________ Mounting the Probe HMP60, HMP110 and HMP110T are designed to be mounted from the M12 thread on the probe body or from the smooth part of the probe body. For a convenient installation, use the optional installation accessories: - Use the plastic mounting nuts to hold the probe in a through-wall installation. - Use the probe mounting clamp to hold the probe on a wall.
Chapter 3 _______________________________________________________________ Installation Drilling Instructions for Duct Installation Kit .2 Ø3 42 4 Ø2 3 2 1 0505-178 Figure 12 Drilling Instructions The following numbers refer to Figure 12 above: 1 2 3 = = = Mounting screw Tension screw Probe assembled in duct installation kit plastic pipe Drill the holes for the duct installation kit as follows: 1. 2. Use a 24-mm drill bit to drill a hole to the duct wall for the humidity probe.
User's Guide ______________________________________________________________________ Wiring For a secure connection to the probe, connect to the 4-pin M8 connector using a threaded connector. Connect the shield if using a shielded cable. In the shielded cables supplied by Vaisala, the threaded connector connects the shield to the probe housing.
Chapter 3 _______________________________________________________________ Installation Wiring with the Loop Power Converter To use the loop power converter module with HMP60, HMP110, or HMP110T, make sure that: - The probe is in the analog output mode - The desired quantity must be on channel 1 - Channel 1 is scaled to 0 ... 2.5 V When using the loop power converter module, power the module with 8 ... 28 VDC. The operating voltage for the probe (5 VDC) is delivered by the module.
User's Guide ______________________________________________________________________ Power Supply Requirements The operating voltage for the HMP60, HMP110 and HMP110T probes must be in the following range: - 5 ... 28 VDC when using the 0 ... 1 V, 0 ... 2.5 V or RS-485 output - 8 ... 28 VDC when using the 0 ... 5 V or 1 ... 5 V output Current consumption is 1 mA on average, which makes the probes well suited for running on battery power. The maximum peak consumption is 5 mA.
Chapter 4 ________________________________________________________________ Operation CHAPTER 4 OPERATION This chapter contains information that is needed to operate the product. Getting Started When the probe is connected to a power supply, there is a delay as the probe starts up and the analog output stabilizes. The delay depends on the output type, and on the operating voltage that is supplied to the probe: - Probes with analog output: - 4 s at operating voltage 13.5 ... 16.
User's Guide ______________________________________________________________________ NOTE The Vaisala USB cable is not designed for permanent installation. When using the USB cable, no separate power unit is needed. The probe is powered through the USB port. For permanent interfacing to a host system, use a shielded cable with a threaded connector. See list of available cables in section Options and Accessories on page 62. You can change the serial settings and operate in RUN, STOP and POLL modes.
Chapter 4 ________________________________________________________________ Operation Installing the Driver for the USB Cable Before taking the USB cable into use, you must install the provided USB driver on your PC. When installing the driver, you must acknowledge any security prompts that may appear. The driver is compatible with Windows 2000, Windows XP, and Windows Vista. 1. 2. 3. 4. 5. Check that the USB cable is not connected. Disconnect the cable if you have already connected it.
User's Guide ______________________________________________________________________ Terminal Application Settings for Probes in RS-485 Mode The steps below describe how to connect to the HMP60, HMP110 and HMP110T using the PuTTY terminal application for Windows (available for download at www.vaisala.com) and the USB serial interface. The instructions assume that your probe has been ordered with the RS-485 output.
Chapter 4 ________________________________________________________________ Operation 0810-070 Figure 16 PuTTY Terminal Application VAISALA _______________________________________________________________________ 29
User's Guide ______________________________________________________________________ Terminal Application Settings for Probes in Analog Mode Follow the steps below to connect to the serial line on probes that have been ordered with analog outputs. You must use the Vaisala USB cable in this case. 1. 2. 3. 4. 5. 6. Start the PuTTY application. Connect the USB serial interface cable to your PC. Do not connect the other end to the probe yet.
Chapter 4 ________________________________________________________________ Operation List of Serial Commands All commands can be issued either in uppercase or lowercase. In the command examples, the keyboard input by the user is in bold type. The notation refers to pressing the carriage return (Enter) key on your computer keyboard. Enter a to clear the command buffer before starting to enter commands.
User's Guide ______________________________________________________________________ Table 9 Additional Commands for Probes with RS-485 Output Command ?? ADDR [0 ... 99] CLOSE OPEN [0 ... 99] SERI [baud p d s] SMODE [STOP/RUN/POLL] Description Output information about the device in POLL mode Set the probe address (for POLL mode) Close the temporary connection (Back to POLL mode) Open a temporary connection to a POLL mode device User Port settings (Default: 19200 N 8 1) baud: 300 ...
Chapter 4 ________________________________________________________________ Operation View Calibration Information Use the CDATE command to view the calibration date, CTEXT to view the calibration info text, and ADJD command to view the adjustment date. Date format for CDATE and ADJD is YYYYMMDD. CDATE CTEXT ADJD Examples: cdate Cal. date : 20091201 ctext Cal. info : VAISALA/HELSINKI adjd Adj.
User's Guide ______________________________________________________________________ View Software Version Use the VERS command to display the software version of the probe. VERS Example: vers HMP60 / 1.00.0 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. For HMP60 and HMP110, the output always includes readings for temperature, RH and Td.
Chapter 4 ________________________________________________________________ Operation Output the Measurement Message Once Use the SEND command to output the measurement values once. If the probe is in POLL mode and the line is not open for commands, specify the address of the probe to receive the measurement message. SEND [aaa] where aaa = Address of the probe, range 0 ... 254. Set with the ADDR command. Example (probe in STOP mode, no address needed): send T= 22.7 'C RH= 20.0 %RH Td= -1.
User's Guide ______________________________________________________________________ Set Serial Interface Mode SMODE [xxx] 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 after the line has been opened using the OPEN command.
Chapter 4 ________________________________________________________________ Operation Set Output Interval Use the INTV command to show or set the output interval of the serial line measurement messages (applies when R command or 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] where n xxx = = Time interval in range 1 ...
User's Guide ______________________________________________________________________ Set Probe Address Use the ADDR command to view or set the probe address. To operate in the POLL mode, the probe must have an address. If multiple probes share the same serial line, each probe must have a different address. For a description of the serial interface modes, see section Set Serial Line Settings on page 35. ADDR [nn] where nn = address (0 ...
Chapter 4 ________________________________________________________________ Operation Set Measurement Units Use the UNIT command to view or set the measurement units that are used in the serial line measurement messages. UNIT [M/N] M is for metric units, N is for non-metric units.
User's Guide ______________________________________________________________________ Calibration Commands Calibrate Humidity Measurement Use the CRH command to perform a one-point or two-point correction to the capacitance measurement of the probe.
Chapter 4 ________________________________________________________________ Operation Clear Adjustment of RH Measurement Use the CRHCLR command to clear the adjustment of RH measurement that has been done using the CRH command. This command is not available on the HMP110T. CRHCLR Example: crhclr OK Calibrate Temperature Measurement Use the CT command to perform a one-point or two-point temperature (T) calibration.
User's Guide ______________________________________________________________________ Clear Adjustment of T Measurement Use the CTCLR command to clear the adjustment of temperature measurement that has been done using the CT command. CTCLR Example: ctclr OK View User Adjustment Parameters Use the L command to view the current user adjustment parameters. This command is useful for checking the currently applied customer calibration.
Chapter 4 ________________________________________________________________ Operation Other Commands Set Analog Output Mode Use the AMODE command to show or set the operation mode of the analog output. AMODE [ch1] [ch2] where ch1 = Analog output mode for channel 1, range 0 ...3. The options are: 0 (0 ... 1 V) 1 (0 ... 2.5 V) 2 (0 ... 5 V) 3 (1 ... 5 V) ch2 = Analog output mode for channel 2, range 0 ...3. The options are the same as for channel 1.
User's Guide ______________________________________________________________________ Extend Analog Output Range Use the AOVER command to allow the analog output channels to exceed their specified range by 10%. The scaling of the quantity remains as before; the extra range is used for additional measurement range in the wet end. AOVER [ON/OFF] The following example illustrates how the analog output is affected. Channel 1 outputs Td with voltage output 0 … 5 V (-40 °C … +60 °C).
Chapter 4 ________________________________________________________________ Operation Connect to the Probe in POLL Mode Use the OPEN command to connect to a probe that is in POLL mode. OPEN [aa] Where aa = address (0 ... 99) Example: open 1 HMP110 1 line opened for operator commands Close the Connection in POLL Mode The CLOSE command closes the connection to the probe. CLOSE Example: close line closed Reset the Probe Use the RESET command to reset the probe.
User's Guide ______________________________________________________________________ Restore Factory Settings Use the FRESTORE command to restore the factory settings to the probe. All user settings, including the user-performed calibration corrections, will be lost. The probe will revert back to the factory calibrated settings.
Chapter 5 ______________________________________________________________ Maintenance CHAPTER 5 MAINTENANCE This chapter provides information that is needed in basic maintenance of the product. Periodic Maintenance The humidity measurement accuracy of the HMP60 and HMP110 should be calibrated yearly. When calibration indicates that accuracy is not within specification: - HMP60: change the INTERCAP® Sensor. - HMP110: adjust the measurement yourself, or have it adjusted at a Vaisala Service Center.
User's Guide ______________________________________________________________________ Changing the Filter The filter on the probe should be replaced when it is damaged or dirty. 1. 2. 3. Turn the filter counter-clockwise to loosen it. Remove the filter from the probe. Be careful not to touch the sensors with the filter. Without the filter in place, the sensors are easily damaged – handle the probe carefully. Install a new filter on the probe, and tighten it so it is finger-tight.
Chapter 5 ______________________________________________________________ Maintenance Adjustment Procedure (HMP110) NOTE If you are adjusting a HMP110 or HMP110T probe that is in the analog output mode, see section Terminal Application Settings for Probes in Analog Mode on page 30 for instructions on how to start the probe in RS-485 mode.
User's Guide ______________________________________________________________________ 7. When your serial connection is working, use the L command to see the current user adjustment parameters. l 8. Use the ERRS command to see that no errors are active: errs 9. Give the CRH command, with the %RH value of the reference as a parameter (in this case 11 for LiCl): crh 11 OK 10. Check with the L command that the user adjustment parameters have changed.
Chapter 5 ______________________________________________________________ Maintenance 6. Verify that the connection works by giving the ? command: ? 7. If the probe does not respond with device information: - Disconnect the USB cable from the probe and retry. If your probe is in the analog output mode, press Enter a few times immediately after connecting the USB cable. - Try the ?? command in case the probe is in POLL mode, open the line using OPEN command if necessary.
User's Guide ______________________________________________________________________ One-Point Adjustment of T Measurement (HMP110 and HMP110T) To perform a one-point adjustment to the temperature measurement of the HMP110 or HMP110T you need: - The Vaisala USB cable (Vaisala order code: 219690) - PC with a terminal application. - One known and stable temperature reference. 1. 2. 3. 4. 5. 6. Connect the USB cable to the PC, but do not connect it to the probe yet.
Chapter 5 ______________________________________________________________ Maintenance 10. Check with the L command that the user adjustment parameters have changed. If you wish to remove the effects of T calibration (returning the T measurement of the probe to the factory calibrated state), see section Clear Adjustment of T Measurement on page 42.
User's Guide ______________________________________________________________________ Repair Maintenance Changing the INTERCAP® Sensor (HMP60) This procedure restores the humidity measurement accuracy of the HMP60. No adjustment after the sensor change is needed. To perform this procedure, you need a new INTERCAP® sensor. It is also recommended that you replace the filter with a new one. For order codes, see section Options and Accessories on page 62. 1. 2. 3.
Chapter 5 ______________________________________________________________ Maintenance Changing the HUMICAP® 180R Sensor (HMP110) NOTE Replacing the humidity sensor of the HMP110 is not necessary in normal operation. If the accuracy of the probe does not seem to be within specification, it is likely that the accuracy can be restored by performing the adjustment procedure. See section Two-Point Adjustment of RH Measurement (HMP110) on page 50.
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Chapter 6 ___________________________________________________________ Troubleshooting CHAPTER 6 TROUBLESHOOTING This chapter describes common problems, their probable causes and remedies, and contact information for technical support. Solving Typical Problems You can check the error message via the serial interface by using the ERRS command. If you are unable to remove the errors, contact Vaisala technical support. See section Technical Support on page 58.
User's Guide ______________________________________________________________________ Problem or Message Likely Causes and Solutions Any check sum error is active. Internal error. Perform the following steps: For example: 1. Return the probe to factory settings using the - Program flash check sum FRESTORE command. Check again. error 2. If the error is still active, contact Vaisala - Parameter flash check sum technical support.
Chapter 7 ____________________________________________________________ Technical Data CHAPTER 7 TECHNICAL DATA This chapter provides the technical data of the product. Specifications Performance (HMP60) Relative Humidity Measurement range Typical accuracy temperature range +0 ... +40 °C 0 ... 90 %RH 90 ... 100 %RH temperature range -40 ... 0 °C and +40 ... +60 °C 0 ... 90 %RH 90 ... 100 %RH Humidity sensor 0 ...
User's Guide ______________________________________________________________________ Performance (HMP110) Relative Humidity Measurement range Accuracy (incl. non-linearity, hysteresis and repeatability) temperature range +0 ... +40 °C 0 ... 90 %RH 90 ... 100 %RH temperature range -40 ... 0 °C and +40 ... +80 °C 0 ... 90 %RH 90 ... 100 %RH Factory calibration uncertainty (+20 °C) Humidity sensor 0 ... 100 %RH ±1.7 %RH ±2.5 %RH ±3.0 %RH ±4.0 %RH ±1.
Chapter 7 ____________________________________________________________ Technical Data Operating Environment Operating temperature range HMP60 HMP110 HMP110T Operating humidity range Electromagnetic compatibility -40 ... +60 °C -40 ... +80 °C -40 ... +80 °C 0 ... 100 %RH, non-condensing EN 61326-1: Electrical equipment for measurement, control and laboratory use EMC requirements – for use in industrial locations.
User's Guide ______________________________________________________________________ Options and Accessories Table 11 HMP60 Options and Accessories Description Vaisala INTERCAP® sensor Vaisala INTERCAP® sensor, 10 pcs Probe mounting flange Probe mounting clamps, 10 pcs Sensor protection Plastic grid filter Membrane filter Stainless steel sintered filter Loop power converter (4 ...
Chapter 7 ____________________________________________________________ Technical Data Table 13 HMP110T Options and Accessories Description Probe mounting flange Probe mounting clamps, 10 pcs Sensor protection Plastic grid filter Membrane filter Stainless steel sintered filter Loop power converter (4 ... 20 mA) Mounting bracket with lid for loop power converter Plastic M12 installation nuts, pair Duct installation kit Shielded cable, 0.3 m Shielded cable, 3 m Shielded cable (+80 ºC), 1.
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