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HygroPort I.S. Hygrometer
User's Manual

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Summary of Contents for Kahn HygroPort I.S.

  • Page 1 HygroPort I.S. Hygrometer User’s Manual...
  • Page 2 Inside front cover (blank)
  • Page 3 HygroPort I.S. User’s Manual HygroPort I.S. - Advanced Dewpoint Hygrometer (for use in hazardous areas) Issue 6, December 2019 Kahn Instruments...
  • Page 4: Table Of Contents

    Unpacking the Instrument ............……… HygroPort I.S. Accessories ...........…………….. Operational Requirements ............……… 3.4.1 Environmental Requirements – HygroPort I.S. Instrument .……..……. . 3.4.2 Charger Electrical Requirements ..........………. Instrument Gas Connections............……… 3.5.1 Gas Inlet /Outlet Fittings ............……… Issue 6, December 2019 Kahn Instruments...
  • Page 5 Appendix A Technical Specifications..............…….48 Appendix B Hazardous Area Certification............... 51 Product Standards..............52 Product Certification..............52 Global Certificates/Approvals........... 52 Input Terminal Parameters............53 Special Conditions of Use............53 Maintenance of Installation............53 Appendix C Datalog Status Display................56 Appendix D FCC DEclaration..................60 Issue 6, December 2019 Kahn Instruments...
  • Page 6 Typical Bluetooth pairing sequence........…..…...………….. Figure 5.1 Typical application software screen......…..…..………….. 42 44 Figure 7.1 Typical 7-point calibration certificate .........…..…………… Figure 7.2 HygroPort I.S. calibration correction screen....………..……………… Figure 7.3 Edit HygroPort I.S. look-up table ........……..…………….. Issue 6, December 2019 Kahn Instruments...
  • Page 7 Hazardous Area Certification ..........…… Product Standards .............……. Product Certification ..........……..…… Global Cerificates / Approvals .......……..…… Input Terminal Parameters ..........……… Special Conditions of Use .......……..………… Maintenance and Installation ..........…… Appendix C Datalog Status Display............54 Issue 6, December 2019 Kahn Instruments...
  • Page 8: Safety

    Care should, however, be exercised during maintenance and the disposal of certain parts. Repair and Maintenance The instrument must be maintained by Kahn Instruments, Inc. to www.kahn.com details. Calibration The recommended calibration interval for the Hygroport I.S.
  • Page 9: Fcc Declaration

    Règlement canadien sur les interférences radio. Ce produit numérique de classe B est conforme à la norme NMB-003, CISPR 22: 1997. Signed for, and on behalf of, Kahn Instruments Ltd. Andrew M.V. Stokes, Technical Director Issue date: 05/2011 Issue 6, December 2019...
  • Page 10: Abbreviations

    (Pascals x106) milli Volt(s) number personal identification number ppmv parts per million (by volume) reading %rdg percentage of reading RS232 serial data transmission standard receive safe working pressure second(s) temp temperature transmit volts Ω Ohms Issue 6, December 2019 Kahn Instruments...
  • Page 11: Warnings

    The following general warning listed below is applicable to this instrument. It is repeated in the text in the appropriate locations. Where this hazard warning symbol appears in the following sections it is used to indicate areas where potentially hazardous operations need to be carried out. Issue 6, December 2019 Kahn Instruments...
  • Page 12: Introduction

    Section 7. Two versions of the instrument are available, a HygroPort (standard) version and this HygroPort I.S. (intrinsically safe) version. Figure 1.1 This manual covers the HygroPort I.S. version only. shows the instrument. Issue 6, December 2019 Kahn Instruments...
  • Page 13: Figure 1.1 Hygroport I.s. Advanced Dewpoint Hygrometer

    HygroPort I.S. User’s Manual Figure 1.1 HygroPort I.S. Advanced Dewpoint Hygrometer (for use in hazardous areas) Issue 6, December 2019 Kahn Instruments...
  • Page 14: Description

    Figure 2.1 shows the layout of these controls and Table 2.1 describes their respective operational functions. HygroPort I.S. Portable Dewpoint Hygrometer Figure 2.1 User connections, controls and indicators Issue 6, December 2019 Kahn Instruments...
  • Page 15: Controls And Indicators

    The secured cover should be kept screwed on when the connector is not in use. ONLY USE THE CHARGER PROVIDED Never allow the battery to fully discharge Table 2.1 Controls and indicators Issue 6, December 2019 Kahn Instruments...
  • Page 16: Function Keys

    (Z-A, 9-0). Pressing the key once decreases the selected field by one step. Pressing and holding the key will cause the selected field to be continuously decreased until the key is released. Issue 6, December 2019 Kahn Instruments...
  • Page 17 As the insertion point is shifted to the left, the entry at the former position is deleted. Issue 6, December 2019 Kahn Instruments...
  • Page 18: Instrument Display

    The position of the icon in the status line may vary. Primary Display. Main display (large characters). Status message display area. Displays status and error messages. Table 2.2 Instrument display descriptions Issue 6, December 2019 Kahn Instruments...
  • Page 19: Instrument Start-Up

    When the reading has been acquired, and the instrument has been dynamically tracking it for a given period, a message, Measurement OK, indicates that the instrument is stable and reading within 0.9°F (0.5°C) for two minutes. Issue 6, December 2019 Kahn Instruments...
  • Page 20: Figure 2.4 Instrument Start-Up Sequence

    60.0 Initializing: 04:32 °C Temp. Initializing internal sensor Moisture Content Internal 22.3 25.842 ppmv °C Temp. Measurement in progress Moisture Content Internal 22.3 19.216 ppmv °C Temp. Measurement OK Figure 2.4 Instrument start-up sequence Issue 6, December 2019 Kahn Instruments...
  • Page 21: 2.4.1 Display Units

    Enter key. Change the incorrect entry, using either the (up) or  (down) keys and when a  correct PIN has been entered, the top level Main Menu will be displayed. Issue 6, December 2019 Kahn Instruments...
  • Page 22: Figure 2.6 Passcode Entry

    Input passcode for setup menu Input passcode for setup menu 7 3 1 (x3) Input passcode for setup menu SETTINGS CLOCK LOGGING BLUETOOTH CALIBRATION EXTERNAL INFO Main Menu (settings selected) Figure 2.6 Passcode entry Issue 6, December 2019 Kahn Instruments...
  • Page 23: Overall Menu Structure

    Section 2.5 (see also Figure 2.6), except that a Cal PIN replaces the Settings PIN (refer to Section 7.3). Within the Calibration routines, automatic recognition of an external Kahn Easidew I.S. transmitter is provided, which causes the relevant calibration table to be displayed (refer to Section 1).
  • Page 24: Figure 2.7 Hygroport I.s. Menu Structure

    EXTERNAL SPAN USER PRESSURE YEAR MONTH HOUR CONTRAST BRIGHTNESS KEY TONE BL TIMEOUT LANGUAGE PRIMARY DISP POINT MDM300 INFO PAGE LEGEND Enter Key Up/Down Keys Left Right Keys Figure 2.7 HygroPort I.S. menu structure Issue 6, December 2019 Kahn Instruments...
  • Page 25: 2.6.1 General Settings

    Used to set molecular weight of a user-defined sample gas MOL WEIGHT (Range 1 to 99) Defaults to 1 when field first selected CHART Sets chart time interval. Range 1 to 60 sec, default value 5 INTERVAL Table 2.3 General Settings Issue 6, December 2019 Kahn Instruments...
  • Page 26: 2.6.2 Logging

    Controls datalog Start and Stop functions. Logging cannot be started if a file name has not been defined. Once started, log file START ? parameter f i elds are locked out and cannot be changed. Table 2.4 Logging parameter set up Issue 6, December 2019 Kahn Instruments...
  • Page 27: Bluetooth Settings

    Maximum eight alphanumeric characters. Default name set is NAME To apply a new name: this must be set up HygroPort I.S. before the Bluetooth mode is enabled and the instrument must be re-set Table 2.5 Bluetooth settings Issue 6, December 2019 Kahn Instruments...
  • Page 28: External Sensor Interface

    HygroPort I.S. is to be used in a hazardous area. The Easidew I.S. must be connected using the I.S. barriers required by CE- ATEX, FM, or CSA certification. A Kahn Remote Sensor Interface module is also required. Highlight EXTERNAL from the Main Menu...
  • Page 29: 2.6.5 Real Time Clock Settings

    Enter key. Range 00 to 59. Scroll value with the scroll up or scroll down keys, accept value with the Enter key. Table 2.7 Real time clock settings Issue 6, December 2019 Kahn Instruments...
  • Page 30: 2.6.6 Hmi Settings

    Enter key. . Set with the scroll up or scroll down INTERN, EXTERN PRIMARY DISP keys, accept the selection with the Enter key. Table 2.8 HMI settings Issue 6, December 2019 Kahn Instruments...
  • Page 31: 2.6.7 Calibration

    Sensor hours used 20 hr keys and press the Enter key. www.michell.com This screen contains system information and Figure 2.15 Info screen no changes can be made. To exit the screen, press the scroll left key. Issue 6, December 2019 Kahn Instruments...
  • Page 32: 2.6.9 Chart Options

    Not logging, press ENTER to setup logging  to the LOGGING Set-Up Menu is provided by Figure 2.18 Datalog file list pressing the Enter key. Refer to Section 2.6.2 for Logging set up details. Issue 6, December 2019 Kahn Instruments...
  • Page 33: Figure 2.19 Current Log File

    The ST column is a status column which reports the status of the instrument at each log point in hexadecimal code. The status codes are explained in Appendix C. To return to the chart, press the scroll left key. Issue 6, December 2019 Kahn Instruments...
  • Page 34: Set Up

    Open the box (1) and unpack carefully. Remove the HygroPort I.S. instrument (2), the User’s Manual (3) and the accessories box (4). Save all the packing materials for the purpose of returning the instrument for re- calibration or any warranty claims. Issue 6, December 2019 Kahn Instruments...
  • Page 35: Hygroport I.s. Accessories

    (1 and 2) as shown in NOTE: On delivery two large orifice adaptors are installed on the instrument. One small orifice adaptor is provided as a loose spare (see Section 3.5). Figure 3.2 Gas port adaptors Issue 6, December 2019 Kahn Instruments...
  • Page 36: Figure 3.3 Accessories

    HygroPort I.S. User’s Manual Accessories Figure 3.3 Issue 6, December 2019 Kahn Instruments...
  • Page 37: Operational Requirements

    15-150 psig (1 to 10 bar) System Large bore orifice Small bore orifice 15-150 psig (1 to 10 bar) Either (using other flow Large bore orifice Large bore orifice 0-5000 psig (0-350 bar) control components) Table 3.1 Adaptor fittings Issue 6, December 2019 Kahn Instruments...
  • Page 38: Gas Inlet /Outlet Fittings

    NOTE: The application kit shown in Figure 3.4 (excluding the orifice fittings) is not supplied as standard, but is part of a range of kits which can be ordered from Kahn Instruments, on request. Issue 6, December 2019 Kahn Instruments...
  • Page 39: Connect Battery Charger

    Loosen the securing screw using the supplied allen screw and swing aside the sealing cover (2). Insert the battery charger connector (1) into the charger connector as shown in Figure 3.8 Figure 3.8 Connect battery charger Issue 6, December 2019 Kahn Instruments...
  • Page 40: Figure 4.1 Hygroport I.s. Menu Structure

    A battery that has been discharged to the point of audible warning will be 50% charged after 30 minutes or fully charged after approximately 2 hours. Upon completion of charging, reposition the sealing cover and tighten the retaining screw. Issue 6, December 2019 Kahn Instruments...
  • Page 41: Operation

    The sample gas f l low rate is not controlled or measured within the instrument. It must be controlled outside the instrument, typically by means of either fixed orifice fittings, or a needle valve. Kahn Instruments provides an optional range of accessories, specifically designed for use with the HygroPort I.S.
  • Page 42 KEYTONE Figure 2.13 Section 2.6.6, BL TIME-OUT 15 sec LANGUAGE PRIMARY DISP INTERN Default values not CALIBRATION & INFO Sections 2.6.7 & 2.6.8 applicable Figure 2.14 & 2.15 Table 4.1 HygroPort I.S. default parameters Issue 6, December 2019 Kahn Instruments...
  • Page 43 EXTERNAL SPAN USER PRESSURE YEAR MONTH HOUR CONTRAST BRIGHTNESS KEY TONE BL TIMEOUT LANGUAGE PRIMARY DISP POINT MDM300 INFO PAGE LEGEND Enter Key Up/Down Keys Left Right Keys Figure 4.1 HygroPort I.S. menu structure Issue 6, December 2019 Kahn Instruments...
  • Page 44: Operation Guide

    Turn the instrument on using the rear mounted ON/OFF switch (item 3 in 2.1) . The instrument display will now illuminate, initially showing the start-up Figure 4.2). screen, followed by the initialization screen (see Issue 6, December 2019 Kahn Instruments...
  • Page 45: Figure 4.2 Initialization Mode

    Bluetooth mode to be enabled (refer to Sections 2.6.2 and 2.6.3). Refer also to the Quick Start Guide for information on correct operation practice. Issue 6, December 2019 Kahn Instruments...
  • Page 46: Graphics Display

    Datalog files can be uploaded to a PC via a dedicated HygroPort I.S. application software package by first enabling the instrument’s Bluetooth facility and pairing it with a PC which has the software application package installed (refer to Section 4.7). Issue 6, December 2019 Kahn Instruments...
  • Page 47: 4.4.2 Display Current Datalog File

    After the log file has been started, quit the option by pressing the scroll left key and return to a required previous screen, e.g. pressing three times returns to the Main menu with the Logging display icon in the status line. Issue 6, December 2019 Kahn Instruments...
  • Page 48: Bluetooth Mode

    PC using a wireless connection. Within the PC the dedicated Kahn application software package is used to upload the files to the PC’s desktop, from where they can be loaded into other programs, e.g.
  • Page 49: Figure 4.8 Typical Bluetooth Pairing Sequence

    HygroPort I.S. User’s Manual (7) (3) (1) (6) Figure 4.8 Typical Bluetooth pairing sequence Issue 6, December 2019 Kahn Instruments...
  • Page 50: Application Software

    ‘ ’. A context sensitive help file provides further details on the use of the application software. Figure 5.1 Typical application software screen Issue 6, December 2019 Kahn Instruments...
  • Page 51: Good Measurement Practice

    (from a starting point of 10°Cdp ambient): Target Dewpoint T100 response time from ambient (hours) -112°F (-80°C) -130°F (-90°C) -148°F (-100°C) Issue 6, December 2019 Kahn Instruments...
  • Page 52: General Operational Guidelines

    Kahn Instruments supplies a range of precision pressure fittings suitable for use with the HygroPort I.S. instrument. Contact Kahn Instruments for details of the items available.
  • Page 53 • Gas samples Gases containing entrained solids should be filtered before application to the instrument. Please consult Kahn Instruments prior to the measurement of any sample suspected to be corrosive. Care should be taken with gas mixtures containing potentially condensable components in addition to water vapor, e.g.
  • Page 54: Calibration

    ( U . K . ) standards laboratory. If these facilities do not exist it is recommended that the instrument be returned to Kahn Instruments Inc. or one of its approved agents. A calibration certificate bearing a seven point calibration is issued with each instrument.
  • Page 55: Calibration Method

    DP REF Stabilize HygroPort I.S. DP REF Stabilize HygroPort I.S. °C Time °C Time (Hours) °C (Hours) °C -100 -99.8 -30.1 -79.7 -19.9 -59.8 -49.8 -39.9 Table 7.1 Example of calibration run readings Issue 6, December 2019 Kahn Instruments...
  • Page 56: Calibration Correction Method

    POINT MDM300 CALIBRATION -100 -100.0 -100.0 -90.0 -90.0 -80.0 -80.0 -70.0 -70.0 -60.0 -60.0 Figure 7.2 HygroPort I.S. calibration correction screen Issue 6, December 2019 Kahn Instruments...
  • Page 57: Figure 7.3 Edit Hygroport I.s. Look-Up Table

    -60.0 key or, to return to the Calibration Menu screen without making any changes, press the scroll left key. Press To Save Changes Figure 7.3 Edit HygroPort I.S. look-up table Press  To Exit Issue 6, December 2019 Kahn Instruments...
  • Page 58: Preparation For Shipping

    Create a packing list detailing all equipment contained in the box, place it inside the box and seal the box. Figure 8.1 Instrument packing details Issue 6, December 2019 Kahn Instruments...
  • Page 59: Appendix A Technical Specifications

    HygroPort I.S. User’s Manual Appendix A Technical Specifications Issue 6, December 2019 Kahn Instruments...
  • Page 60 HygroPort I.S. User’s Manual Appendix A Technical Specifications Performance Measurement Technology Kahn ceramic sensor ±1.8ºF (±1ºC) from -76 to +68ºFdp (-60 to +20ºCdp) Accuracy ±3.6ºF (±2ºC) from -148 to -76ºFdp (-100 to -60ºCdp) 0.3ºF (±0.2ºC) temperature For Spot Checks -95 to +68...
  • Page 61 Log interval: 5 to 60 sec Maximum log file size: 60kb (Wireless) Bluetooth range up to 16ft (5m) Communicatons (Version 2.0) Languages English, French, German, Italian, Portuguese Dimensions Figure A.1 Dimensions – Hygroport I.S. Issue 6, December 2019 Kahn Instruments...
  • Page 62: Appendix B Hazardous Area Certification

    HygroPort I.S. User’s Manual Appendix B Hazardous Area Certification Issue 6, December 2019 Kahn Instruments...
  • Page 63: Product Standards

    IS - Class 1, Division 1, Groups A, B, C, D, T4 Class I, Zone 0, AEx ia IIC T4 Ga Ex ia IIC T4 Ga Ta=-20ºC to +50ºC Global Certificates / Approvals ATEX BASEEFA09ATEX0149 IECEx IECEX BAS09.0063 cQPSus LR1589-2 INMETRO NCC14.03165 Issue 6, December 2019 Kahn Instruments...
  • Page 64: Input Terminal Parameters

    Maintenance and servicing of the product must only be carried out by suitably trained personnel or returned to an approved Kahn Service Center. Issue 6, December 2019 Kahn Instruments...
  • Page 65: Appendix C Datalog Status Display

    HygroPort I.S. User’s Manual Appendix C Datalog Status Display Issue 6, December 2019 Kahn Instruments...
  • Page 66: Figure C.1 Current Datalog File Display

    Figure C.2. Bit 1 is the least significant bit. The four most significant bits, Bits 13 to 16 are for Kahn Instruments’ service use and so the first character in any HygroPort I.S. ST display will always read 0.
  • Page 67: Table C.1 Status Register Flags

    Bit 4 set (External sensor error) and Bit 6 set ( Measurement in progress). Therefore, at the time that these log points were taken, the external sensor was out of range and the internal dewpoint was not stable. Issue 6, December 2019 Kahn Instruments...
  • Page 68: Appendix D Fcc Declaration

    HygroPort I.S. User’s Manual Appendix D FCC Declaration Issue 6, December 2019 Kahn Instruments...
  • Page 69 Règlement canadien sur les interférences radio. Ce produit numérique de classe B est conforme à la norme NMB-003, CISPR 22: 1997. Signed for, and on behalf of, Michell Instruments Ltd. Andrew M.V. Stokes, Technical Director Issue date: 05/2011 Issue 6, December 2019 Kahn Instruments...

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