Vaisala HUMICAP HMT360 Series User Manual
Humidity and temperature transmitter
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- Page 1 USER'S GUIDE ® Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT360 M010056EN-G...
- Page 2 PUBLISHED BY Vaisala Oyj Phone (int.): +358 9 8949 1 P.O. Box 26 Fax: +358 9 8949 2227 FIN-00421 Helsinki Finland Visit our Internet pages at http://www.vaisala.com/ © Vaisala 2007 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.
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Page 3: Table Of Contents
________________________________________________________________________________ Table of Contents CHAPTER 1 GENERAL INFORMATION ........9 About This Manual . - Page 4 ________________________________________________________________________________ Electrical Connections ......35 Installation in Hazardous Locations ....36 US and Canadian Requirements .
- Page 5 ________________________________________________________________________________ CHAPTER 6 CALIBRATION AND ADJUSTMENT ......61 Calibration Interval ....... . 61 Factory Calibration and Adjustment .
- Page 6 ________________________________________________________________________________ Accuracy of Dewpoint Temperature °C ....85 Accuracy of Mixing Ratio g/kg ..... . .86 Accuracy of Wet Bulb Temperature °C .
- Page 7 ________________________________________________________________________________ List of Figures Figure 1 Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT360 ........16 Figure 2 Probe Options for Vaisala HUMICAP®...
- Page 8 ________________________________________________________________________________ 6 _______________________________________________________________________________...
- Page 9 ________________________________________________________________________________ List of Tables Table 1 Manual Revisions........11 Table 2 Related Manuals .
- Page 10 ________________________________________________________________________________ 8 _______________________________________________________________________________...
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Page 11: Chapter 1 General Information
Chapter 1 ________________________________________________________ General Information CHAPTER 1 GENERAL INFORMATION This chapter provides general notes for the manual and the product. About This Manual This manual provides information for installing, operating, and ® maintaining the Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT360. Contents of This Manual This manual consists of the following chapters: Chapter 1, General Information: This chapter provides general... - Page 12 Appendix C, Wiring for Intrinsically Safe Operation, CSA: This appendix contains the wiring diagram for intrinsically safe operation approved by the Canadian Standards Association (CSA). Appendix D, Certificates: This Appendix contains copies of the EXi intrinsically safe certificates issued for the HMT360 series. 10 __________________________________________________________________ M010056EN-G...
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Page 13: Version Information
Chapter 1 ________________________________________________________ General Information Version Information Table 1 Manual Revisions Manual Code Description U336en-1.1 March 1999 - First version M010056en-A January 2001 M010056en-B March 2002 M010056en-C November 2002 M010056EN-D May 2004 M010056EN-E July 2005 M010056EN-F August 2006 - New measurement probes and new transmitter housing introduced. -
Page 14: Feedback
User's Guide ______________________________________________________________________ NOTE Note highlights important information on using the product. Feedback Vaisala Customer Documentation Team welcomes your comments and suggestions on the quality and usefulness of this publication. If you find errors or have other suggestions for improvement, please indicate the chapter, section, and page number. -
Page 15: Recycling
Dispose of batteries and the unit according to statutory regulations. Do not dispose of with regular household refuse. Regulatory Compliances The certifications that have been granted to the HMT360 Series, and the accompanying safety factors, are listed in section Classification with... -
Page 16: Warranty
User's Guide ______________________________________________________________________ Warranty Vaisala hereby represents and warrants all Products This warranty does not however apply when the defect manufactured by Vaisala and sold hereunder to be free has been caused through from defects in workmanship or material during a period of twelve (12) months from the date of delivery a) normal wear and tear or accident;... -
Page 17: Chapter 2 Product Overview
Chapter 2 __________________________________________________________ Product Overview CHAPTER 2 PRODUCT OVERVIEW This chapter introduces the features, advantages, and the product nomenclature. ® Introduction to Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT360 ® Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT360 contains reliable, microprosessor-based two-wire instruments for measuring relative humidity and temperature in hazardous areas. -
Page 18: Output Quantities
User's Guide ______________________________________________________________________ ® 0606-003 Figure 1 Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT360 Output Quantities ® Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT360 is available either with or without a local display and with one or two current output channels. Available output quantities are listed in the table below: ®... -
Page 19: Probe Options
Available for HMT360 Moisture and Temperature in Jet Fuel transmitter Probe Options The HMT360 series has various options for probes and cable lengths (2 m, 5 m and 10 m). The available probe types are presented in the figure below. -
Page 20: Figure 2 Probe Options For Vaisala Humicap® Humidity And Temperature Transmitter Series Hmt360
User's Guide ______________________________________________________________________ ® 0603-036 Figure 2 Probe Options for Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT360 The following numbers refer to Figure 2 on page HMP361 probe for wall mounting HMP363 probe for tight spaces HMP364 probe for pressurized spaces up to 100 bars HMP365 probe for high temperatures up to 180 °C *) Flange for HMP365 available as an option HMP367 probe for high humidities... -
Page 21: Chapter 3 Installation
Chapter 3 _______________________________________________________________ Installation CHAPTER 3 INSTALLATION This chapter provides you with information that is intended to help you install this product. General Installation Instructions Mounting the Probe Cable in Gas Group IIC Spaces NOTE The following applies only to installation within the EU! The following instructions shall be followed to fulfil the specifications of the EN50284 for nonconductive layer of the probe cable: - Never mount or handle the probe cable when hazardous gases are... -
Page 22: Selecting Location
User's Guide ______________________________________________________________________ WARNING During the installation work of the probes in gas group IIC areas (requiring category I devices), it has to be guaranteed that even in fault cases sparks generated by impacts or friction on the surface of the housing can never occur. -
Page 23: Figure 4 Vertical Mounting Of Probe
Chapter 3 _______________________________________________________________ Installation When there is no alternative but to install the probe in the process vertically, the point of entry must be carefully insulated. The cable must also be allowed to hang loosely as this prevents any condensed water from running onto the probe along the cable. -
Page 24: Checking The Temperature Reading
User's Guide ______________________________________________________________________ Checking the Temperature Reading The actual temperature of the process can be measured with a reference instrument to be compared with the transmitter reading. The heat transfer is less evident if you remove the protective filter of the sensor for a short-term test. -
Page 25: Figure 6 Transmitter Mounting
Chapter 3 _______________________________________________________________ Installation The probe can be detached and replaced when needed by simply unfastening the two Allen screws. 0603-037 Figure 6 Transmitter Mounting VAISALA _______________________________________________________________________ 23... -
Page 26: Figure 7 Parts Of The Transmitter
User's Guide ______________________________________________________________________ 0603-038 Figure 7 Parts of the Transmitter The following numbers refer to Figure 7 on page Electronics unit Probe; including a part of the measurement electronics (for example, calibration memory) Flat cable Transmitter base Grounding terminal Protective covers Cable glands Probe RS232C connector... -
Page 27: Probe Mounting
Chapter 3 _______________________________________________________________ Installation Probe Mounting CAUTION Do not unsolder and then resolder the probe cable from and to the printed board during installation. Do not shorten or lengthen the probe cable. These procedures may alter the humidity calibration of the transmitter. HMP363 for Confined Spaces The HMP363 is a small size (ø... -
Page 28: Hmp363/365/367 Duct Installation Kit
User's Guide ______________________________________________________________________ HMP363/365/367 Duct Installation Kit 0508-021 Figure 8 Installation of HMP363 Probe in Duct with Flange and Supporting Bar The following numbers refer to Figure 8 on page Duct wall Flange Sealing ring Supporting bar Probe attaching part (to be fixed with supporting bar) RH probe HMP364 for High-Pressure Applications... -
Page 29: Figure 9 Hmp364 Probe Mounting
Chapter 3 _______________________________________________________________ Installation Remove the fitting screw from the nut and the probe. Fasten the fitting screw to the chamber wall with a sealing washer. Tighten the fitting screw into the threaded sleeve with a torque spanner. The tightening torque is 150 ± 10 Nm (110 ± 7 ft-lbs). Insert the body of the probe into the fitting screw and tighten the nut manually to the fitting screw. -
Page 30: Figure 10 Marking Nut And Fitting Screw
User's Guide ______________________________________________________________________ 0505-273 Figure 10 Marking Nut and Fitting Screw 0505-274 Figure 11 Cleaning the Tightening Cone The following numbers refer to Figure 11 on page Fitting screw Sealing washer Tightening cone Clean cotton stick CAUTION In pressurized processes it is essential to tighten the supporting nuts and screws very carefully to prevent loosening of the probe by the action of pressure. -
Page 31: Hmp365 For High Temperatures
Chapter 3 _______________________________________________________________ Installation HMP365 for High Temperatures HMP365 is installed similarly to the HMP363 probe but without the supporting bar. Refer to HMP363/365/367 Duct Installation Kit on page for more information on the duct installation kit for HMP365. To avoid incorrect humidity readings, there must not be significant temperature differences between the inside and outside of the duct. -
Page 32: Hmp368 For Pressurized Pipelines Or Moisture In Liquids
User's Guide ______________________________________________________________________ HMP368 for Pressurized Pipelines or Moisture in Liquids Due to the sliding fit the HMP368 is easy to install into and remove from a pressurized process. The probe is especially suitable for measurements inside pipelines. See section Installing the HMP368 Probe Through a Ball Valve Assembly on page CAUTION... -
Page 33: Tightening The Clasp Nut
Chapter 3 _______________________________________________________________ Installation The following two fitting body options are available: Fitting Body ISO1/2 solid structure Fitting Body NPT1/2 solid structure Table 4 HMP368 Probe Dimensions Probe Type Probe Length Adjustment Range Standard 178 mm 120 mm Optional 400 mm 340 mm CAUTION Take care not to damage the probe body. -
Page 34: Installing The Hmp368 Probe Through A Ball Valve
User's Guide ______________________________________________________________________ 0505-276 Figure 15 Tightening the Clasp Nut The following numbers refer to Figure 15 on page Probe Clasp nut Fitting screw NOTE Take care not to tighten the clasp nut more than 60° to avoid difficulties when opening it. Installing the HMP368 Probe Through a Ball Valve Assembly The ball valve installation kit (Vaisala order code: BALLVALVE-1) is... -
Page 35: Figure 16 Installing The Hmp368 Probe Through A Ball Valve Assembly
Chapter 3 _______________________________________________________________ Installation 0505-277 Figure 16 Installing the HMP368 Probe Through a Ball Valve Assembly The numbers below refer to Figure 16 on page Manual press tool Handle of the ball valve Probe Process chamber/pipeline Groove on the probe indicating the upper adjustment limit Filter Ball of the ball valve NOTE... - Page 36 User's Guide ______________________________________________________________________ Follow the steps below to install the HMP368 probe through a ball valve assembly. After the installation, the probe should be sitting in the process chamber or pipeline as shown in Figure 16 on page Shut down the process if the process pressure is more than 10 bars. If the pressure is lower there is no need to shut down the process.
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Page 37: Electrical Connections
Chapter 3 _______________________________________________________________ Installation Electrical Connections Refer to local requirements regarding cabling, grounding and galvanic isolator or barrier connections. WARNING Connect the transmitter always via galvanic isolators or Zener barriers in hazardous environments. WARNING Be sure that the main power switch of the transmitter is set off before making any electrical installations in hazardous areas. -
Page 38: Installation In Hazardous Locations
User's Guide ______________________________________________________________________ Installation in Hazardous Locations US and Canadian Requirements USA (FM): Wiring for intrinsically safe operation is shown in Appendix B, Wiring for Intrinsically Safe Operation, FM, on page Canada (CSA): Wiring for intrinsically safe operation is shown in Appendix C, Wiring for Intrinsically Safe Operation, CSA, on page European Requirements CATEGORY 1 (Zone 0) -
Page 39: Maximum Cable Resistance Calculation For The Barrier (Vaisala Order Code: 210664)
Chapter 3 _______________________________________________________________ Installation Maximum Cable Resistance Calculation for the Barrier (Vaisala Order Code: 210664) General specifications of HMT360: Supply voltage = 24 V (12 ... 35 V) Maximum current = 20 mA Minimum operating voltage for = 12 V (15 V with serial port) HMT360 Stahl 9001/51-280-091-141 (values taken from the specifications): Rated operating voltage... - Page 40 User's Guide ______________________________________________________________________ From these facts the following equation can be formed: × I drop cabletot 2 = 2 × 0.085 Ω/m × l × 20 mA = 2 V / (20 mA × 2 × 0.085 Ω/m) = 588 m = 1930 ft, maximum cable length. NOTE If longer cable length is required, use of the galvanic isolators is recommended if possible.
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Page 41: Hmt360 Connected To A Galvanic Isolator
Chapter 3 _______________________________________________________________ Installation HMT360 Connected to a Galvanic Isolator HAZARDOUS AREA SAFE AREA a) current signal controller 0505-278 HAZARDOUS AREA SAFE AREA b) voltage signal controller 0505-279 Figure 17 HMT360 Connected to Galvanic Isolator VAISALA _______________________________________________________________________ 39... -
Page 42: Hmt360 Connected To A Zener Barrier
User's Guide ______________________________________________________________________ HMT360 Connected to a Zener Barrier HAZARDOUS AREA SAFE AREA a) current signal controller 0505-280 0505-281 Figure 18 HMT360 Connected to a Zener Barrier 40 __________________________________________________________________ M010056EN-G... -
Page 43: Examples Of Connections
Chapter 3 _______________________________________________________________ Installation Examples of Connections 0505-282 Figure 19 STAHL 9160/13-11-11 (Galvanic Isolator) 0505-283 Figure 20 STAHL 9001/51-280-091-141 (Zener Barrier) VAISALA _______________________________________________________________________ 41... -
Page 44: Grounding
User's Guide ______________________________________________________________________ Grounding When grounding the transmitter, follow the local requirements. Use at least 4 mm grounding cable when grounding the transmitter or barrier. Note that the allowed resistance between barrier and system ground must be less than 1 ohm. Use ground terminal located inside or outside of transmitter Figure 21 on page HAZARDOUS AREA... -
Page 45: Chapter 4 Operation
Chapter 4 ________________________________________________________________ Operation CHAPTER 4 OPERATION This chapter contains information that is needed to operate this product. Local Interface HMT360 transmitter has four pushbuttons located on the housing cover. The transmitter can be ordered either with or without a local display. The display/keypad commands (see Display/Keypad Commands on page... -
Page 46: Power On/Off
User's Guide ______________________________________________________________________ 0603-039 Figure 22 Local Display/Keypad Interface Power ON/OFF Open the transmitter cover and flip the internal power switch to position ON (up), see Figure 24 on page WARNING Avoid static discharge. Always use a wet cloth for wiping the display. HMT360 with Display Measurement readings appear on the display after switching power ON. -
Page 47: Dip Switch Functions
Chapter 4 ________________________________________________________________ Operation Otherwise, the LED indicates the following: LED blinking = calibration of the dry end (offset). LED lit = calibration of the wet end (gain). NOTE If calibration is concluded but DIP switch settings are not restored, the LED indicator keeps blinking. -
Page 48: Display/Keypad Commands
User's Guide ______________________________________________________________________ 3 and 4: Calibration rh, t, analog With these combinations you can perform relative humidity, temperature or analog output calibrations with a multimeter or with the transmitter display unit. Turn the DIP switches to the desired position according to the table printed on the protective cover. -
Page 49: Selecting Output Quantities
Chapter 4 ________________________________________________________________ Operation 0505-087 Adjust the pressure reading with buttons Up and Dn. Acknowledge the value with button E. To complete the pressure setting, turn the dip switch back to position disabled (down). See the pressure conversion table on page Table 6 on page Selecting Output Quantities Upper Half of Display... -
Page 50: Lower Half Of Display
User's Guide ______________________________________________________________________ The characters used to indicate availability in the table above: Available for HMT360 standard version Available for HMT360 with optional calculations Available for HMT360 Moisture and Temperature in oil transmitter Available for HMT360 Moisture and Temperature in Jet Fuel transmitter Lower Half of Display The output quantities metric/non metric DIP switch can be used to... -
Page 51: Scaling Analog Outputs
Chapter 4 ________________________________________________________________ Operation 0505-289 Press button C to exit the display command mode or continue by setting the pressure. NOTE Remember to restore the DIP switch settings. Scaling Analog Outputs Turn the internal Calibration Enabled/Disabled DIP switch of the transmitter to upward position (on). -
Page 52: Serial Interface
User's Guide ______________________________________________________________________ If there is another channel available, the display shifts to the scaling menu of Ch 2. You can now scale the analog outputs for the Ch 2 in the same way as described above. Press button C to exit the display command mode or continue by selecting the output quantities. -
Page 53: Serial Communication Settings
Chapter 4 ________________________________________________________________ Operation Serial Communication Settings Table 5 Serial Communications Settings Parameter Value bauds 2400 parity none data bits stop bits CAUTION When using the serial interface, be sure that power supply and serial interface are not connected to the same ground (use a floating power supply or hand-held serial interface device). -
Page 54: S Scaling Analog Outputs
User's Guide ______________________________________________________________________ Character Quantity Abbreviation Availability Metric Unit Nonmetric Unit relative humidity A, D temperature A, D, F, H °C °F dewpoint °C °F temperature absolute humidity a gr/ft mixing ratio g/kg gr/lb wet bulb °C °F temperature mass ppmw concentration of water... -
Page 55: Adjustment Commands
Chapter 4 ________________________________________________________________ Operation Example: >srh 0 100<cr> RH lo: 0.00 %RH RH hi: 100.00 %RH > Adjustment Commands Turn the internal DIP switch Calibration Enabled/Disabled to position ON before the adjustment and return it to position OFF after the adjustment. CRH Relative Humidity Adjustment NOTE Read also the calibrator, for example HMK15, manual and refer to... -
Page 56: Output Commands
User's Guide ______________________________________________________________________ Example: >ct<cr> 0.811 1. ref ? 0.5<cr> Press any key when ready ...<cr> 99.122 2. ref ? 99.5<cr> > The OK indicates that the adjustment was succesful. When performing one-point adjustment press only Enter for the second reference. Output Commands ITEST Testing Analog Outputs NOTE... -
Page 57: Send Outputting Measurement Values
Chapter 4 ________________________________________________________________ Operation NOTE When outputting low currents from Ch 1, remember to remove RS232C-cable while reading the current output, because of the increased current consumption for using RS port. SEND Outputting Measurement Values Syntax: SEND<cr> This command outputs the measured values in one point. R Activating Continuous Output Syntax: R<cr>... -
Page 58: Pres Setting Ambient Pressure For Calculations
User's Guide ______________________________________________________________________ PRES Setting Ambient Pressure for Calculations Syntax: PRES aaaa.a<cr> where aaaa.a = Pressure (bar Turn the internal DIP switch Calibration Enabled/Disabled to position ON before setting the pressure and return it to position OFF after making the setting. Example: >pres 12<cr>... -
Page 59: Filt Output Filtering
Chapter 4 ________________________________________________________________ Operation FILT Output Filtering Syntax: FILT a.aaa<cr> where a.aaa = 0.1 ... 1 No filtering 0.5 = Average of last two measurements 0.1 = Average of ca. 16 measurements This commands sets the measurement result filtering. Example: >filt 1<cr>... - Page 60 User's Guide ______________________________________________________________________ 58 __________________________________________________________________ M010056EN-G...
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Page 61: Measuring At Overpressure
Chapter 5 __________________________________________________ Measuring at Overpressure CHAPTER 5 MEASURING AT OVERPRESSURE This chapter provides you with important information concerning measurement in conditions with pressure higher than the normal atmospheric pressure. The probes HMP364 and HMP368 are designed for humidity measurement at overpressure. The maximum measurement pressures depend on the probe as follows: HMP364: 0 ... -
Page 62: Pressure Regulator Recommended
User's Guide ______________________________________________________________________ Pressure Regulator Recommended When sampling pressurized processes exceeding the maximum measurement pressure of the probe, the pressure in the measurement chamber must be regulated to the acceptable level or below. It is recommended to use pressure regulator before the measurement chamber to prevent remarkable pressure variations. -
Page 63: Calibration And Adjustment
Chapter 6 __________________________________________________ Calibration and Adjustment CHAPTER 6 CALIBRATION AND ADJUSTMENT This chapter contains instructions for checking the calibration and adjusting this product. In this User's Guide the term "calibration" refers to comparing the device's reading against a reference concentration. "Adjustment" refers to changing the device's reading to correspond to the reference concentration. -
Page 64: User Calibration And Adjustment
User's Guide ______________________________________________________________________ User Calibration and Adjustment Calibration and adjustment is carried out by using the keypad or by using serial commands. The following additional equipment is needed in adjustment of HMT360: a power supply for the channel(s) to be calibrated (12 ... 24 VDC), a multimeter for HMT360 without a display, and the calibrated references. -
Page 65: Connections
Chapter 6 __________________________________________________ Calibration and Adjustment Disconnect the flat cable by lifting it carefully, for example with a screwdriver. Remove the two screws holding the hinge support. Remove the hinge support. Turn the electronics unit slightly upwards to release it from the hinges. -
Page 66: Calculating Correspondence Of Current Values And Output Quantities
User's Guide ______________________________________________________________________ You can now calibrate or check the humidity and temperature or the analog outputs according to the instructions given in this chapter. If the current measurement is needed in a hazardous area, the multimeter is connected to the terminals A1/A2 (+) and B1/B2 (-). Use only an approved multimeter. -
Page 67: Relative Humidity Adjustment
Chapter 6 __________________________________________________ Calibration and Adjustment 0605-016 Example 2: Temperature scaling -40 ... +120 °C, reference 22.3 °C: 22.3° C 40° C – ⋅ ------------------------------------- - 4 mA 16 mA 10.230 mA 120° C 40° C – 0605-017 Relative Humidity Adjustment Automatic Two-Point Adjustment (Only with HMT360 with Display) The automatic adjustment procedure is a user friendly way to adjust the... -
Page 68: Figure 26 Display Chart Of The Automatic Adjustment Procedure
User's Guide ______________________________________________________________________ 0604-061 Figure 26 Display Chart of the Automatic Adjustment Procedure 66 __________________________________________________________________ M010056EN-G... -
Page 69: Manual Adjustment
Chapter 6 __________________________________________________ Calibration and Adjustment Manual Adjustment Low End Adjustment NOTE If you use serial commands, please refer to section Adjustment Commands on page Remove the filter and insert the probe into a measurement hole of the dry end reference chamber (for example LiCl: 11 %RH) in the humidity calibrator. -
Page 70: High End Adjustment (Two-Point Adjustment)
User's Guide ______________________________________________________________________ High End Adjustment (Two-Point Adjustment) After having made the low end adjustment, insert the probe into a measurement hole of the NaCl (75 %RH) salt chamber in the humidity calibrator. Please, note that the difference between the two humidity references must be at least 30 %RH. -
Page 71: Acal Analog Output Calibration
Chapter 6 __________________________________________________ Calibration and Adjustment Let the sensor stabilize; use a multimeter or the transmitter display to monitor the stabilization. Press buttons Up and Dn to adjust the display or multimeter reading to correspond to the reference value (when using a multimeter calculate the current value corresponding to the reference humidity by using the equations presented in Calculating... - Page 72 User's Guide ______________________________________________________________________ 70 __________________________________________________________________ M010056EN-G...
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Page 73: Chapter 7 Maintenance
Chapter 7 ______________________________________________________________ Maintenance CHAPTER 7 MAINTENANCE This chapter provides information that is needed in basic maintenance of the product. Periodical Checking and Cleaning Transmitter Housing and Probe WARNING Avoid static discharge. Always use a wet cloth for wiping the display. The electronics unit of the transmitter, as well as the probe, can be removed and replaced in the field. - Page 74 User's Guide ______________________________________________________________________ 72 __________________________________________________________________ M010056EN-G...
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Page 75: Chapter 8 Troubleshooting
Chapter 8 ___________________________________________________________ Troubleshooting CHAPTER 8 TROUBLESHOOTING This chapter describes common problems, their probable causes and remedies, and contact information. Diagnostics Operation Errors The following symptoms indicate an operation error of the HMT360: The analog output(s) current drops below 4 mA. Display shows the word "ERROR". -
Page 76: Analog Output Test
User's Guide ______________________________________________________________________ Analog Output Test Analog outputs can be tested with dip switch 1, see DIP Switch Functions on page 45 for details. Technical Support For technical questions, contact the Vaisala technical support: E-mail helpdesk@vaisala.com +358 9 8949 2790 Return Instructions If the product needs repair, please follow the instructions below to speed up the process and to avoid extra costs to you. -
Page 77: Vaisala Service Centers
Chapter 8 ___________________________________________________________ Troubleshooting Vaisala Service Centers Vaisala Service Centers perform calibrations and adjustments as well as repair and spare part services. See contact information below. Vaisala Service Centers also offer accredited calibrations, maintenance contracts, and a calibration reminder program. Do not hesitate to contact them to get further information. - Page 78 User's Guide ______________________________________________________________________ 76 __________________________________________________________________ M010056EN-G...
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Page 79: Chapter 9 Technical Data
Chapter 9 ____________________________________________________________ Technical Data CHAPTER 9 TECHNICAL DATA This chapter provides technical data of the product. Performance Relative Humidity Table 7 Relative Humidity Specifications Property Description / Value Measurement range 0 ... 100 %RH Accuracy (including non-linearity, hysteresis and repeatability) ®... -
Page 80: Temperature (+ Operating Pressure Ranges)
User's Guide ______________________________________________________________________ Table 7 Relative Humidity Specifications Property Description / Value Response time (90 %) for 8 seconds with grid filter 20 seconds with grid + steel netting ® ® HUMICAP 180 and HUMICAP 40 seconds with sintered filter 180L2 at +20 °C in still air Response time (90 %) for 17 seconds with grid filter... -
Page 81: Water Activity In Jet Fuel Applications
Chapter 9 ____________________________________________________________ Technical Data 0507-021 Figure 27 Accuracy over Temperature Range Water Activity in Jet Fuel Applications Table 9 Water Activity in Jet Fuel Applications Specifications Property Description / Value Measurement range 0 ... 1 a at -40 ... +180 °C (- 40 ... -
Page 82: Calculated Variables (Typical Ranges)
User's Guide ______________________________________________________________________ Calculated Variables (Typical Ranges) With HMP361 Probe Table 10 HMP361 Calculated Variables Specifications Property Description / Value Dewpoint temperature -40 ... +60 °C Mixing ratio 0 ... 160 g/kg d.a. Absolute humidity 0 ... 160 g/m³ Wet bulb temperature 0 ... -
Page 83: Classification With Current Outputs
Chapter 9 ____________________________________________________________ Technical Data Classification with Current Outputs EU (94/9/EC, ATEX100a) II 1 G EEx ia IIC T4 PTB 00 ATEX 2112 X Safety factors: = 28 V, I = 100 mA, P = 0.7 W = 1 nF, L = 0 H Environmental specifications: = -20 ... -
Page 84: General
User's Guide ______________________________________________________________________ General Table 13 General Specifications Property Description / Value Operating voltage 12 ... 28 V with serial port (service mode) 15 ... 28 V Connections screw terminals, 0.33 ... 2.0 mm wires (AWG 14-22) Cable bushings M20×1.5 (7.5 ... 12 mm) M20×1.5 (10.5 ... -
Page 85: Options And Accessories
Chapter 9 ____________________________________________________________ Technical Data Options and Accessories Table 14 Options and Accessories Item Description / Order Code MODULES Analog Output Module HM360AOUTSP SENSORS ® HUMICAP180 HUMICAP HUMICAP180R ® HUMICAP 180R ® HUMICAP180L2 HUMICAP 180L2 FILTERS Sintered Stainless Steel Filter HM47280SP Stainless Steel Filter HM47453SP... -
Page 86: Accuracy Of Calculated Variables
User's Guide ______________________________________________________________________ Table 14 Options and Accessories Item Description / Order Code Cable Gland M20x1.5 with Split Seal HMP247CG Swagelok for 12mm Probe 3/8" ISO Thread SWG12ISO38 Swagelok for 12mm Probe 1/2" NPT SWG12NPT12 Thread HMT368/HMP368 Fitting Body ISO1/2 Solid Structure DRW212076SP Fitting Body NPT1/2 Solid Structure NPTFITBODASP... -
Page 87: Accuracy Of Dewpoint Temperature °C
Chapter 9 ____________________________________________________________ Technical Data Accuracy of Dewpoint Temperature °C Relative humidity Temp. 10 1.86 1.03 0.76 0.63 0.55 0.46 0.43 — — 2.18 1.19 0.88 0.72 0.62 0.56 0.51 0.48 — — 2.51 1.37 0.81 0.63 0.57 0.53 0.48 2.87 1.56 1.13... -
Page 88: Accuracy Of Mixing Ratio G/Kg
User's Guide ______________________________________________________________________ Accuracy of Mixing Ratio g/kg (Ambient pressure 1013 mbar) Relative humidity Temp. 10 0.003 0.003 0.003 0.003 0.003 0.004 0.004 0.004 — — 0.017 0.018 0.019 0.021 0.022 0.023 0.025 0.026 — — 0.08 0.09 0.09 0.11 0.11 0.12 0.13... -
Page 89: Accuracy Of Absolute Humidity G/M3
Chapter 9 ____________________________________________________________ Technical Data Accuracy of Absolute Humidity g/m Relative humidity Temp. 10 0.004 0.004 0.005 0.005 0.005 0.006 0.006 0.006 — — 0.023 0.025 0.027 0.029 0.031 0.032 0.034 0.036 — — 0.11 0.12 0.13 0.13 0.14 0.15 0.15 0.16 0.17... - Page 90 User's Guide ______________________________________________________________________ 88 __________________________________________________________________ M010056EN-G...
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Page 91: Appendix Adimensions
Appendix A ______________________________________________________________ Dimensions APPENDIX A DIMENSIONS This Appendix contains parts drawings of the transmitter housing, probes and some transmitter mounting accessories with metric and nonmetric dimensions specified. HMP361 0603-042 VAISALA _______________________________________________________________________ 89... -
Page 92: Hmp363
User's Guide ______________________________________________________________________ HMP363 0603-015 HMP364 0603-016 HMP365 0603-017 90 __________________________________________________________________ M010056EN-G... -
Page 93: Hmp367
Appendix A ______________________________________________________________ Dimensions HMP367 0603-018 HMP368 0603-019 VAISALA _______________________________________________________________________ 91... -
Page 94: Mounting Plate
User's Guide ______________________________________________________________________ Mounting Plate Rain Shield 0603-041 92 __________________________________________________________________ M010056EN-G... -
Page 95: Protection Cover
Appendix A ______________________________________________________________ Dimensions Protection Cover 0505-304 VAISALA _______________________________________________________________________ 93... - Page 96 User's Guide ______________________________________________________________________ 94 __________________________________________________________________ M010056EN-G...
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Page 97: Wiring For Intrinsically Safe Operation, Fm
Appendix B ______________________________________ Wiring for Intrinsically Safe Operation, FM APPENDIX B WIRING FOR INTRINSICALLY SAFE OPERATION, FM This appendix contains the wiring diagram for intrinsically safe operation approved by Factory Mutual (FM). VAISALA _______________________________________________________________________ 95... - Page 98 User's Guide ______________________________________________________________________ DESCRIPTION / INFO / ECO No. DESIGN CHECKED / Reviewed ACCEPTED / Approved HMT360 connection board -Ch1+ -Ch2+ General tolerance Design Material Weigh t Supplier Title code DOCUMEN T CRE ATION D ATA Finish YYY Y-MM-DD INITIAL S Creator Review Size...
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Page 99: Wiring For Intrinsically Safe Operation, Csa
Appendix C _____________________________________ Wiring for Intrinsically Safe Operation, CSA APPENDIX C WIRING FOR INTRINSICALLY SAFE OPERATION, CSA This appendix contains the wiring diagram for intrinsically safe operation approved by the Canadian Standards Association (CSA). VAISALA _______________________________________________________________________ 97... - Page 100 User's Guide ______________________________________________________________________ 0505-306 98 __________________________________________________________________ M010056EN-G...
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Page 101: Appendix Dcertificates
Appendix D ______________________________________________________________ Certificates APPENDIX D CERTIFICATES This Appendix contains copies of the EXi intrinsically safe certificates issued for the HMT360 series. VAISALA _______________________________________________________________________ 99... - Page 102 User's Guide ______________________________________________________________________ 0705-009 100 _________________________________________________________________ M010056EN-G...
- Page 103 Appendix D ______________________________________________________________ Certificates 0705-010 VAISALA ______________________________________________________________________ 101...
- Page 104 User's Guide ______________________________________________________________________ 0705-011 102 _________________________________________________________________ M010056EN-G...
- Page 105 Appendix D ______________________________________________________________ Certificates 0708-060 VAISALA ______________________________________________________________________ 103...
- Page 106 User's Guide ______________________________________________________________________ 104 _________________________________________________________________ M010056EN-G...
- Page 107 Appendix D ______________________________________________________________ Certificates 0705-161 VAISALA ______________________________________________________________________ 105...
- Page 108 User's Guide ______________________________________________________________________ 0705-162 106 _________________________________________________________________ M010056EN-G...
- Page 109 Appendix D ______________________________________________________________ Certificates 0705-163 VAISALA ______________________________________________________________________ 107...
- Page 110 User's Guide ______________________________________________________________________ 0705-014 108 _________________________________________________________________ M010056EN-G...
- Page 111 Appendix D ______________________________________________________________ Certificates 0705-164 VAISALA ______________________________________________________________________ 109...
- Page 112 User's Guide ______________________________________________________________________ 0705-012 110 _________________________________________________________________ M010056EN-G...
- Page 113 Appendix D ______________________________________________________________ Certificates 0705-013 VAISALA ______________________________________________________________________ 111...