Vaisala HUMICAP Series HMT360 User Manual
Humidity and temperature transmitter
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Summary of Contents for Vaisala HUMICAP Series HMT360
- Page 1 USER'S GUIDE Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT360 M010056EN-G...
- Page 2 The contents are subject to change without prior notice. Please observe that this manual does not create any legally binding obligations for Vaisala towards the customer or end user. All legally binding commitments and agreements are included exclusively in the...
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Page 3: Table Of Contents
PRODUCT OVERVIEW ........15 Introduction to Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT360 . - Page 4 Maximum Cable Resistance Calculation for the Barrier (Vaisala Order Code: 210664) ....37 HMT360 Connected to a Galvanic Isolator ..39 HMT360 Connected to a Zener Barrier .
- Page 5 Return Instructions ....... 74 Vaisala Service Centers ......75 CHAPTER 9 TECHNICAL DATA .
- Page 6 ________________________________________________________________________________ Accuracy of Dewpoint Temperature °C ....85 Accuracy of Mixing Ratio g/kg ..... . .86 Accuracy of Wet Bulb Temperature °C .
- Page 7 Series HMT360 ........16 Figure 2 Probe Options for Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT360 ....18 Figure 3 Horizontal Mounting of Probe.
- Page 8 ________________________________________________________________________________ 6 _______________________________________________________________________________...
- Page 9 Related Manuals ........11 Table 3 Output Quantities for Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT360 ....16 Table 4 HMP368 Probe Dimensions.
- Page 10 ________________________________________________________________________________ 8 _______________________________________________________________________________...
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Page 11: 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 notes for the manual and the product. - Page 12 User's Guide ______________________________________________________________________ Chapter 6, Calibration and Adjustment: This chapter contains instructions for checking the calibration and adjusting this product. Chapter 7, Maintenance: This chapter provides information that is needed in basic maintenance of the product. Chapter 8, Troubleshooting: This chapter describes common problems, their probable causes and remedies, and contact information.
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Page 13: Version Information
Caution warns you of a potential hazard. If you do not read and follow CAUTION instructions carefully at this point, the product could be damaged or important data could be lost. VAISALA _______________________________________________________________________ 11... -
Page 14: Feedback
Note highlights important information on using the product. NOTE 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
Vaisala. License Agreement All rights to any software are held by Vaisala or third parties. The customer is allowed to use the software only to the extent that is provided by the applicable supply contract or Software License Agreement. -
Page 16: Warranty
The allegedly defective Product or part shall, should Products supplied hereunder, which obligations and Vaisala so require, be sent to the works of Vaisala or to liabilities are hereby expressly cancelled and waived. such other place as Vaisala may indicate in writing,... -
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
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: ® Table 3 Output Quantities for Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT360 Character Quantity... -
Page 19: Probe Options
Chapter 2 __________________________________________________________ Product Overview ® Table 3 Output Quantities for Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT360 Character Quantity Abbreviation Availability relative humidity of saturation saturation temperature The characters used to indicate availability in the table above: Available for HMT360 standard version... -
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... -
Page 21: Chapter 3 Installation
- Assure that the conductive shield fulfils requirements of the standard EN50284 (resistance less than 1 GΩ) and make sure that it can not come loose in any operation situation. VAISALA _______________________________________________________________________ 19... -
Page 22: Selecting Location
User's Guide ______________________________________________________________________ During the installation work of the probes in gas group IIC areas WARNING (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
If this is not possible and the probe must be inserted from the top, the point of entry must be carefully insulated. For Vaisala probe installation kits and some installation examples see section Probe Mounting on page... -
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
HMP363 for Confined Spaces The HMP363 is a small size (ø = 12mm) general-purpose probe suitable for ducts and channels with the installation kit available from Vaisala. The HMP363 provides for two measuring range options. The first probe version is equipped with a flexible cable and can be used when measuring in environments up to 80 ºC. -
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
When retightening the nut after detachment the nut must be tightened NOTE without increased effort. 0505-272 Figure 9 HMP364 Probe Mounting The following numbers refer to Figure 9 on page Tightening cone Fitting screw, M22×1.5 or NPT 1/2" Sealing washer Probe; ø12 mm VAISALA _______________________________________________________________________ 27... -
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 In pressurized processes it is essential to tighten the supporting nuts CAUTION and screws very carefully to prevent loosening of the probe by the action of pressure. -
Page 31: Hmp365 For High Temperatures
Mounting flange HMP367 for High Humidities The HMP367 is for environment where relative humidity is very high, near saturation. Section HMP363/365/367 Duct Installation Kit on page 26 shows mounting of HMP363/367 with the optional duct installation kit. VAISALA _______________________________________________________________________ 29... -
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 In pressurized processes it is essential to tighten the supporting nuts... -
Page 33: Tightening The Clasp Nut
Mark the fitting screw and the clasp nut. Tighten the nut a further 50 ... 60° (ca. 1/6 turn) with a fork spanner. If you have a suitable torque spanner, tighten the nut to 45 ± 5 Nm (33 ± 4 ft-lbs). VAISALA _______________________________________________________________________ 31... -
Page 34: Installing The Hmp368 Probe Through A Ball Valve
Installing the HMP368 Probe Through a Ball Valve Assembly The ball valve installation kit (Vaisala order code: BALLVALVE-1) is preferred when connecting the probe to a pressurized process or pipeline. Use the ball valve set or a 1/2" ball valve assembly with a ball hole of ø14 mm or more. -
Page 35: Figure 16 Installing The Hmp368 Probe Through A Ball Valve Assembly
20 bar. When measuring temperature dependent quantities make sure that the NOTE temperature at the measurement point is equal to that of the process, otherwise the moisture reading may be incorrect. VAISALA _______________________________________________________________________ 33... - 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
When using the transmitter in hazardous locations, the use of galvanic isolators or barriers is essential. The following barrier & isolator are available in Vaisala: barrier No. 210664 (STAHL 9001/51-280-091- 141) and galvanic isolator No. 212483 (STAHL 9160/13-11-11). Examples of connections and more information on installation in... -
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) - 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. If longer cable length is required, use of the galvanic isolators is NOTE 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
(if the transmitter configuration includes special output quantities). The optional display shows the measurement results. The keypad pushbuttons are indicated (from left to right) as C, Up, Dn, and E (see Figure 22 on page 44): VAISALA _______________________________________________________________________ 43... -
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 Avoid static discharge. Always use a wet cloth for wiping the display. WARNING HMT360 with Display Measurement readings appear on the display after switching power ON. -
Page 47: Dip Switch Functions
The EEPROMs are write protected. If this switch is in the disabled position (down), it does not allow any calibrations or scalings. Keep this switch always in the disabled position during normal use of NOTE the transmitter. VAISALA _______________________________________________________________________ 45... -
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
°C °F temperature mass ppmw concentration of water water activity H, F 0 ... 1 0 ... 1 relative humidity of saturation saturation °C °F temperature VAISALA _______________________________________________________________________ 47... -
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
Numbers on the second line indicate the high end scaling of Ch 1. The 0505-291 text "Set Hi" on the lower left-hand corner indicates that you can now change the high end scaling with buttons Up and Dn. Acknowledge with button E. VAISALA _______________________________________________________________________ 49... -
Page 52: Serial Interface
WARNING Use the serial interface for calibration and testing purposes in safe areas only. Always use the serial interface cable (optional accessory, Vaisala order code: 25905ZZ). Connect one end of the cable to the serial port of your computer and the other to the connector marked "RS232C" on the... -
Page 53: Serial Communication Settings
Turn the internal DIP switch Calibration Enabled/Disabled to position ON before the selecting the analog outputs and return it to position OFF after making the selection. Output quantities and their abbreviations are listed in the following table: VAISALA _______________________________________________________________________ 51... -
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
Press any key when ready ...<cr> 74.222 2. ref ? 75<cr> > The OK indicates that the adjustment was succesful. CT Temperature Adjustment Syntax: CT<cr> The transmitter asks and measures temperature readings and calculates the calibration coefficients. VAISALA _______________________________________________________________________ 53... -
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 Before giving command ITEST, reset the transmitter with command... -
Page 57: Send Outputting Measurement Values
Sets the output interval when the transmitter outputs measurement readings. The time interval is used when the continuous output is active. Example, the output interval is set to 10 minutes: >intv 10 min<cr> Output interval: 10 MIN > VAISALA _______________________________________________________________________ 55... -
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
Average of ca. 16 measurements This commands sets the measurement result filtering. Example: >filt 1<cr> Filter 1.0000 >filt 0.5<cr> Filter 0.5000 >filt 0.1<cr> Filter 0.1000 > Resetting the Transmitter RESET Transmitter Reset Syntax: RESET<cr> This command resets the device. VAISALA _______________________________________________________________________ 57... - Page 60 User's Guide ______________________________________________________________________ 58 __________________________________________________________________ M010056EN-G...
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Page 61: Measuring At Overpressure
PRES (see section PRES Setting Ambient Pressure for Calculations on page 56 or by using the keypad commands, see section Setting the Pressure for Calculations on page 46). VAISALA _______________________________________________________________________ 59... -
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
In demanding applications it may be advisable to make the first calibration check earlier. Factory Calibration and Adjustment The device (or the probe only) can be sent to Vaisala Service Centers for calibration and adjustment, see Vaisala Service Centers on page 75 for contact information. -
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
Connect the multimeter in series with the supply, B1 (-) and A1 (+). Follow the same procedure with Ch 2 using the terminals B2 (-) and C2 (+). When calibrating both channels at the same time, use two galvanically separated power supplies. VAISALA _______________________________________________________________________ 63... -
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
Up and Dn. The transmitter remains to wait for the stabilization and then stores the correction. The text "Cal Pass" is displayed after the adjustment is performed. Remember to restore the DIP switch settings. NOTE VAISALA _______________________________________________________________________ 65... -
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
If the low end adjustment is sufficient, press button E again to conclude the calibration and restore the DIP switch settings; set the calibration DIP switch to position disabled (down). To continue with the high end adjustment follow the instructions in next section. VAISALA _______________________________________________________________________ 67... -
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
Ch 1 (I1). Reconnect the serial cable. Type the multimeter reading and press Enter. Type the higher current multimeter reading and press Enter. Example: >acal<cr> Ch1 I1 ( mA ? 4.846<cr> Ch1 I2 ( mA ? 19.987<cr> > VAISALA _______________________________________________________________________ 69... - Page 72 User's Guide ______________________________________________________________________ 70 __________________________________________________________________ M010056EN-G...
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Page 73: Chapter 7 Maintenance
Removing the Electronics Unit on page 62 for detailed information. All other maintenance must be performed by qualified Vaisala personnel. If a transmitter is damaged, contact your nearest Vaisala Service Center (see contact information Vaisala Service Centers on page 75). - Page 74 User's Guide ______________________________________________________________________ 72 __________________________________________________________________ M010056EN-G...
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Page 75: Chapter 8 Troubleshooting
Check that the sensor is connected properly. Check if there is condensed water in the probe. If yes, let the probe dry. In case of constant error, contact your nearest Vaisala Service Center. See section Vaisala Service Centers on page 75 for contact information. -
Page 76: Analog Output Test
Include the information specified in step 2 in the box with the faulty product. Also include a detailed return address. Ship the box to the address specified by your Vaisala contact. 74 __________________________________________________________________ M010056EN-G... -
Page 77: Vaisala Service Centers
Phone: +81 3 3266 9617, Fax: +81 3 3266 9655 E-mail: aftersales.asia@vaisala.com BEIJING SERVICE CENTER Vaisala China Ltd., Floor 2 EAS Building, No. 21 Xiao Yun Road, Dongsanhuan Beilu, Chaoyang District, Beijing, P.R. CHINA 100027. Phone: +86 10 8526 1199, Fax: +86 10 8526 1155 E-mail: china.service@vaisala.com... - Page 78 User's Guide ______________________________________________________________________ 76 __________________________________________________________________ M010056EN-G...
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Page 79: Chapter 9 Technical Data
-40 ... +180 °C Factory calibration uncertainty ± 0.6 %RH (0 ... 40 %RH) (+20 °C) ± 1.0 %RH (40 ... 97 %RH) (Defined as ±2 standard deviation limits. Small variations possible, see also calibration certificate.) VAISALA _______________________________________________________________________ 77... -
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
Response time (90 %) at +20 °C in still oil 10 min (stainless steel filter) Humidity sensor ® Vaisala HUMICAP Calculated variables available mass concentration of water relative humidity of saturation saturation temperature Accuracy of the water content better than ± 15 % of the reading VAISALA _______________________________________________________________________ 79... -
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
Standard GB3686.1-2000 and GB3836.4-2000 Ex ia IIC T4 Russia (STV) Certificate No. ROSS FI.GB04.V00634 Safety factors: = 28 V, I = 100 mA, P = 700 mW = 1 nF, L = 0 H, T = -20 °C...+60 °C VAISALA _______________________________________________________________________ 81... -
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
Swagelok for 12mm Probe 3/8" ISO Thread SWG12ISO38 Swagelok for 12mm Probe 1/2" NPT SWG12NPT12 Thread HMT364/HMP364 Fitting Body M22×1.5 17223SP Fitting Body NPT1/2 17225SP HMT365/HMP365 Mounting Flange 210696 Cable Gland M20×1.5 with Split Seal HMP247CG HMT367/HMP367 Duct Installation Kit 210697 VAISALA _______________________________________________________________________ 83... -
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
0.74 4.42 2.41 1.74 1.19 1.05 0.95 0.87 0.81 0.76 4.86 2.66 1.92 1.54 1.31 1.16 1.04 0.96 0.89 0.84 5.31 2.91 1.69 1.44 1.26 1.14 1.05 0.97 0.91 3.18 1.85 1.57 1.38 1.24 1.14 1.06 0.99 VAISALA _______________________________________________________________________ 85... -
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
7.17 7.39 7.61 7.83 8.05 12.2 12.6 13.4 13.8 14.2 14.6 15.3 15.7 22.6 23.3 23.9 24.6 25.2 25.8 26.5 27.1 27.8 28.4 39.1 45.9 46.9 47.9 63.5 64.9 66.4 67.8 69.2 70.7 72.1 73.5 74.9 76.4 VAISALA _______________________________________________________________________ 87... - 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...
- Page 114 *M010056EN*...