Vympel Hygrovision BL Operating Manual

Precision | Economy | Safety
Operating Manual
Hygrovision BL
Dew point analyzer
www.vympel.de
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VYMPEL GmbH
Bahnstraße 17
40212 Düsseldorf
Deutschland
Tel: +49211 210 77 391
Fax: +49211 210 77 399
email: info@vympel.de
www.vympel.de
Responsible for manufacturing:
143530, Russia, Mossbauer Area, Istrinsky District,
Dedowsk, Shkolny Passage, No.11
Tel.: 8 (495) 992-38-60 (ext. 219)
Fax: 8 (495) 992-38-60 (ext.217)
e-mail: vympelm100@aha.ru
Internet: www.npovympel.ru
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1. GENERAL DESCRIPTION
1.1. PURPOSE AND FIELD OF APPLICATION
This manual provides a description of the construction and func­tion of the Hygrovision BL dew point analyzer, model number KRAY2.844.007 (also called HV BL, Hygrovision, device, in­strument, and analyzer in the text).
The Hygrovision BL is a compact portable analyzer used to es­tablish the dew point temperature of water and hydrocarbons.
This portable hygrometer (hereinafter analyzer) functions ac­cording to the principal of direct measurement. It employs a temperature-controlled mirror upon which condensation forms to establish dew point.
The Hygrovision is one of a series of revolutionary new high­precision chilled-mirror analyzers that are characterized by the inclusion of a supplemental visualization system. This system makes it possible to physically observe the condensation (dew point) process. In addition, this system has two different illumi­nation options, which makes it possible to easily distinguish be­tween water condensation and the formation of hydrocarbon condensates.
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PURPOSE
FIELD OF APPLICATION
TYPES OF INSTALLATIONS
The analyzer is designed to measure the dew point of water (hereinafter also: W dew point, WDP, dpW) and the dew point of hydrocarbons (hereinafter also HC dew point, HCDP, dpHC) in natural gas and other gaseous media at operating pressures. It is also intended for the visual monitoring of the condensation process.
Hygrovision BL dew point analyzer are designed to be used for:
Spot checking in the field
Checking the functionality of permanently installed dew point analyzers
Corroborating the accuracy of the measurements made by per­manently installed units
Regular direct measurement of water and carbohydrate dew points in locations that are not equipped with automatic through­flow analyzers are where such analyzers cannot be installed
Checking the results of various manufacturing and working processes (such as the drying and vacuuming of equipment and systems, damp presses, processes involving the use of steam, regeneration, evacuation, etc.)
The BL can be employed by a variety of sectors, including the gas, oil, and chemical industries, metallurgy, the power industry, equipment manufacturing, and many other branches where the quality of manufacturing and operating process can be evalu­ated through the control of water and hydrocarbon dew points.
INSTALLATION AND OPERATING
REQUIREMENTS
Only by qualified personnel may carry out the installation and maintenance of the analyzer.
Operating personnel must be familiar with the requirements and instructions contained in this manual and must be trained in the operation of explosion-protected equipment.
It is strongly recommended that this training be provided by the Vympel company.
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1.2. EXPLOSION PROTECTION
The analyzer consists of an electronics module and a meas­urement module. (see point 1.4).
The electronics module conforms to all of the requirements for explosion-protected equipment in accordance with GOST R
52350.0-2005. The explosion Protection categories "flameproof enclosure (d)" according to GOST R 52350.1-2005 and "Intrin­sically safe circuit (i)“ according to GOST R 52350.11-2005 identify the instrument as safe for use in explosion hazard zones both inside closed facilities and outside in the field according to GOST R 52350.14-2006.
Electronic Components of the HV BL
Ex protection markings
Electronics module
1 Ex d[ib] IIA T5 Х
Electrical devices associated with the electronics module (thermoelectric battery, temperature sen­sor, photo diodes)
These are located with the flameproof enclo­sure and therefore do not have Ex protection
Light diode
As a simple electrical apparatus according to GOST R 52350.11 it has no Ex protection markings.
Attention!
To ensure that the Hygrovision BL is safe with regard to explosions, it is important to regularly purge the analyzer with air and to always fill the measurement chamber with sample gas before switching the device on.
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1.3. MEASUREMENT PRINCIPLE
The Hygrovision BL is a compact, portable analyzer used for tak­ing automatic and manual measurements of the dew point tem­perature of water and/or hydrocarbons.
This portable chilled-mirror automatic hygrometer operates ac­cording to the principle of direct measurement and employs a temperature-controlled mirror to establish the dew point. During the measurement process the reflectivity of the mirror is meas­ured. As the temperature of the mirror is lowered, its reflectivity begins to go down when the dew point is reached and condensa­tion begins to form. In this process condensates are deposited on the mirror (reflective surface).
A special system uses optical properties to register the formation of this condensate film.
This system utilizes the phenomenon of total refraction to register dew point.
A laser emitting vertically polarized light illuminates the interface of a heterogeneous media (gas) 1 and a reflective dielectric sur­face (temperature controlled mirror) 2 at a specific angle. This angle is known as Brewster’s Angle.
When the dew point mirror (dielectric surface) is clean, in other words, when no condensate has formed, the polarized light rays falling on the interface between the gas and the mirror’s surface are completely refracted. As a result no light is reflected onto ei­ther of the photo detectors (F1 and F2). This results in a null sig­nal from the sensors (ILLUSTRATION 1). With the microscope attached, total refraction can be observed visually under both side lighting and vertical lighting. Under side lighting*, the surface of the dielectric mirror appears black (illustration 2). Under micro­scope (vertical) lighting the mirror’s surface appears light blue (ILLUSTRATION 3).
*Please note: the side-lighting unit and the laser are not the same component.
In the case of water vapor, as the temperature of the mirror is lowered and condensation droplets begin to form, the angle at which the polarized light strikes the surface changes with the re­sult that refraction no longer occurs. Instead, the light rays are reflected and scattered. The photoelectric registration system re­cords an increase in the intensity of the light detected by the photo detector located in position F1 (ILLUSTRATION 4). The signal intensity (aka signal level) is dependent on the amount of water condensation.
Under side lighting, water condensation appears in the form of an accumulation of luminous, somewhat similarly sized red droplets
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in the middle of the mirror’s surface (ILLUSTRATION 5). Under vertical lighting this condensation appears as an accumulation of little round black spots evenly distributed over the entire surface of the condensation mirror (ILLUSTRATION 6).
In the case of hydrocarbons, precipitated condensates accumu­late in the form of a thin film on the surface of the mirror (Illustra­tion 7). The building of a contiguous condensate layer (2) on the mirrors surface (1) results in a change in the angle at which the polarized light strikes the surface of the dielectric mirror.
The beam of light emitted by the laser is partially reflected as it encounters the gas/condensate interface (3/2). This set of light rays is then registered by the photo detector at position F2.
At the same time, due to the condensate film’s high degree of transparency, a set of slightly refracted light rays, passes through the gas/condensate interface and is reflected as it strikes the condensate/mirror interface (2/1). These light rays are then also registered by the photo detector at position F2. This second set of rays is now slightly out of phase with the first set.
As a result, the registration system records two distinct light sig­nals detected by the F2 sensor. These two light signals create an interference pattern due to the slight phase difference.
The intensity of the light signal detected by the sensor is directly dependent on the quantity of hydrocarbon condensates in the condensation film.
The hydrocarbon condensation process can only be observed visually under vertical illumination. In contrast to water vapor con­densation, the process of HC condensation cannot be made visi­ble under side lighting, so even though the sidelight is activated, the mirror remains dark (ILLUSTRATION 2).
Hydrocarbons up to and including Heptanes form rainbow colored spots. These spread out until they link up to form one continuous thin iridescent film. (ILLUSTRATION 8). If the mirror continues to be cooled further, this thin iridescent film becomes a colorless plastic layer covering the entire condensation mirror’s surface.
Octane and heavier hydrocarbons condense onto the mirror in the form of small dark semi-transparent dots. With further cooling, these dots grow to become small droplets and spots (ILLUSTRATION 9).
Continuation of the cooling process causes these small droplets to continue to grow, eventually forming large colorless drops of condensate on an iridescent background.
For further images of water and hydrocarbon condensation refer to Appendix N.
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1.4. ANALYZER CONSTRUCTION
The analyzer’s cold-body housing (see ILLUSTRATION 10 and ILLUSTRATION 11) consists of the high-pressure chamber (1) a sample sized receptacle (hereafter in the text the measurement cell (2)) a removable visualization system with 40 power magnifi­cation (hereafter in the text microscope (16) and an electronic module with an integrated touch screen display (10). The ana­lyzer’s high-pressure chamber is designed for a working pressure of up to 300 bar, and serves to supply and remove the sample gas that passes over the condensation mirror. In order to observe the condensation process, the high-pressure chamber is fitted with a small window upon which the visualization system can be mounted.
The microscope is mounted directly onto the Hygrovision’s high­pressure chamber.
The electronic module controls the analyzer’s processes (cool­ing/heating); records the mirror temperature and regulates the photoelectric registration system.
The Hygrovision BL is operated by means of control buttons and the touch screen display.
Recorded dew point values can be downloaded by means of an IR port and an RS 485 interface.
In order for the analyzer to operate independent of an external power supply, a slot for a storage battery is integrated into the Hygrovision‘s housing, as is a socket for connecting the unit to an external power supply (12–32V, 15W).
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Main components (see ILLUSTRATION 10 and ILLUSTRATION 11)
Gas delivery block (Pos.1);
Measurement cell (PIP) (Pos.2);
Battery compartment cap (Pos.3);
Connection for the pressure sensor (Pos.4);
Plug connector for the light emitting diode (Pos.5);
RS 485 Modbus interface (Pos.6);
Ventilation channel for supplementary cooling (Pos.7);
IR port (Pos.8);
On/off button (Pos.9)
Touch screen (Pos.10);
Control buttons (Pos.11);
Sample gas inlet nozzle (Pos.12);
Sample gas outlet nozzle (Pos.13);
Stylus for use with the touch screen (Pos.14);
Battery cap securing device (Pos.15).
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The measurement cell, the electronic module with integrated touch screen and the power supply module (storage battery) are en­closed within the analyzer’s metal housing (see Appendix A). The housing is made up of three chambers.
Two of the three chambers (chambers 1 and 2) are pressure resis­tant encapsulations. These chambers house the circuit boards for the electronic module (chamber 1) and the storage battery (cham­ber 2). The connection points for the external power supply and the IR data port are located on the side of chamber 1.
The third chamber (chamber 3) houses all of the electronic mod­ule’s control and display elements. The touch screen display is in­tegrated into the top of chamber 3. Connection points for an exter­nal pressure sensor and the microscope’s side-lighting element are located on the side of this chamber. All of the electrical circuits housed in chamber three meet the requirements for intrinsic safety.
BATTERY PACK
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1.5. ANALYZER POWER SUPPLY
Hygrovision series analyzers have an independent onboard power supply, the BP-06 power supply unit (hereinafter also referred to as the rechargeable battery, battery, BP)
Important technical data for the BP:
Battery type
LIR18650 (Li-Ion);
Number of elements
6
Rated voltage
11.1 V
Max. discharge current
3 А
Electrical capacity
4 А h
Service life
300 recharging cycles (max. 2 years)
Operating conditions
-20 °C – + 60 °С
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A detailed description of the BP unit’s operating requirements can be found in the manual (KRAY5.549.006 ET) (included in delivery).
It is strongly recommended that only the (KRAY4.841.082) connec­tion cable be used to connect the Hygrovision BL to an external power source (12 – 32V DC). This cable is designed specifically for this purpose (ILLUSTRATION 13).
Refer to ILLUSTRATION 35 when connecting the analyzer to an external power supply.
The Hygrovision’s battery pack should only be recharged using the specially designed battery charger (KRAY5.122.007) included with delivery. Information about the use of the charger can be found on
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the label (KRAY5.122.007ET).
1.6. ADDITIONAL COMPONENTS AND
ACCESSORIES
Additional components include those systems and accessories that ensure the optimal performance of desired analyzer functions.
Additional components fall into one of two categories:
Additional components included as part of the Hygrovision
BL’s standard equipment;
Additional components supplied at the customer’s request.
Standard equipment
Included with delivery as standard equipment:
Microscope (KRAY3.821.003);
Gas flow and gas pressure control system Model 001
(VMPL5.183.001);
Gas delivery system Model 001
(VMPL6.450.001)Model -001 VMPL6.450.001;
Filter for the control of glycols and heavy
hydrocarbons;
Accessories used for the installation and maintenance
of the measuring system and for individual analyzer modules.
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MICROSCOPE
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ILLUSTRATION 14 is an exterior view of the microscope (KRAY3.821.003).
The optical system is positioned immediately above the high-pressure chamber. Equipped with 40X magnification, this system makes it pos­sible to directly monitor processes taking place on the mirror’s surface inside the measurement chamber to visually evaluate the composi­tional quality of the gas (see also 1.3).
The microscope is mounted onto the analyzer by way of a threaded coupling integrated into the housing for this purpose.
Important components:
Eyepiece (Pos.1);
Electrical socket for the lighting system LED (Pos.2);
Focusing ring (Pos.3)
Gas flow / gas pressure control system (Model
001)
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The gas flow / gas pressure control system Model 001 (VMPL5.183.001) (ILLUSTRATION 15) displays information about the operating pressure within the analyzer’s measurement chamber. This system also provides a means to not only adjust the pressure but also regulate the gas flow rate during the measurement process (0.5 – 1NL/min).
Included in delivery of the gas flow / gas pressure control system are:
Manometer (Pos.1);
Float flow meter with metal housing (Pos.2);
Flow rate fine adjustment valve (Pos.3);
Mounting and connecting elements
Refer to Appendix C for a mounting diagram of the gas flow and gas pressure control system.
Please note: Most of the systems and system modules are attached to the analyzer by means of quick-coupling connectors. The advantage such connectors provide is that no tools or special skills are needed for the installation of various modules and installation can be accomplished in the shortest mount of time.
GAS DELIVERY SYSTEM MODEL 001
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The gas delivery system provides a hermitically sealed connection between the analyzer and the sample extraction site. In addition, this system makes it possible to evenly regulate delivery of the sample gas to the Hygrovision’s measurement chamber.
Included in delivery of the gas delivery system are:
Flexible high pressure hose (Pos.1;
ILLUSTRATION 16);
Fine control valve (Pos.2; ILLUSTRATION 16)
Refer to Appendix D for gas delivery system assembly instructions..
Please note: The fittings included in delivery make it possible to connect the ana­lyzer with various measurement equipment, devices, and systems in the shortest amount of time and do not require additional tools or spe­cialized skills.
PARTICLE FILTER
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The analyzer is also equipped with an integrated particle filter in order to remove solid particulates and other mechanical contaminates from the sample gas. This filter (FE73A-15) is positioned in the inlet side of the gas delivery housing (Pos. 1; ILLUSTRATION 17) and protects the condensation mir­ror from possible damage from solid particulates and con­taminates in the gas mixture.
The particle filter is included with delivery of the analyzer and is preinstalled in the analyzer’s housing prior to initial deliv­ery.
A replacement filter cartridge is included with the additional components delivered with the analyzer as standard equip­ment.
Please note: There is a replacement filter cartridge included with the analyzer as standard equipment. Additional replacement cartridges can be ordered from Vympel at any time.
GLYCOLS AND HEAVY HYDROCARBONS FILTER
When taking measurements to determine the dew point of water, it is common for a variety of gas mixtures to have high levels of glycol and heavy hydrocarbons. A specially de­signed filter (KRAY6.451.017) is used for the taking of meas­urements under these conditions. This filter is included as a standard additional component with the Hygrovision BL. (ILLUSTRATION 18).
The filter is installed directly in front of the fine control valve
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at the end of the flexible high-pressure hose of the gas deliv­ery system (VMPL6.450.001).
In terms of active filtering, the average service life of the filter cartridge is eight hours. Therefore, the replacement interval depends in large measure on the type and composition of heavy hydrocarbons.
Usage requirements as well as detailed information about the filter can be found in the manual (KRAY6.451.017ET), which is included with delivery.
The glycol and heavy hydrocarbon filter is delivered with the analyzer as standard equipment.
EXTERNAL POWER SUPPLY CABLE
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The external power supply cable (Illustration 20) is included with the analyzer as standard equipment. It serves not only to provide the device with electricity but also to transmit meas­urement data by way of the RS 485 interface using the stan­dard Modbus/RTU protocol.
Please refer to Table 5 for instructions concerning electrical configuration and connection..
IR ADAPTER
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The analyzer’s integrated infrared (IR) port can be connected to a computer by means of the IR adaptor (KRAY5.999.005).
The position of the IR port is shown in Pos.8; ILLUSTRATION 11.
Additional components that are available for order as optional accessories include:
Supplemental cooling system VMPL5.880.003;
Tripod (Libec TH-650DV);
Sample extraction system KRAY4.078.091(- 01);
Pressure reduction system VMPL2.848.005;
High-pressure outflow module VMPL4.078.025;
For a detailed list of the Hygrovision BL’s standard
and optional components, please refer to Table 3, Point 1.12.
SUPPLEMENTAL COOLING SYSTEM
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The supplemental cooling system (VMPL5.880.003) should be used when measuring dew point values below -30°C at ambient temperatures above +30°C and at pressures over 100 bar (ILLUSTRATION 21).
The cooling system consists of a container filled with carbon dioxide, two connector fittings, and a regulator valve to con­trol the flow of refrigerant.
The system is connected to the outlet nozzle of the venting channel (Pos.7; ILLUSTRATION 11).
Please refer to Appendix E for mounting instructions.
For a detailed description of the supplemental cooling system please refer to “Special considerations when measuring dew point at very low temperatures ”
TRIPOD
In order to make operating the analyzer more convenient when in the field, the Hygrovision can be mounted on a Libec TH-650DV tripod.
A tripod attachment point is integrated into the underside of the Hygrovision’s housing. When mounted, the analyzer can be oriented in the desired position.
SAMPLE GAS EXTRACTION SYSTEM
The optional sample extraction system (KRAY4.078.091 or KRAY4.078.091-01) can be installed to create a stationary sample gas extraction site. The system set consists of the sample extraction apparatus (or a bypass valve) and a mem­brane filter for the removal of liquids and particulates from the gas sample.
Information regarding mounting and operating this system as well as ordering replacement filter elements can be found in the manual delivered with the set (KRАY4.078.091EТ or KRAY4.078.091-01ET).
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PRESSURE REDUCTION SYSTEM
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The pressure reduction system (VMPL2.848.005) provides for the reduction of the sample gas pressure from the work­ing pressure (max. inflow pressure is 250 bar) to a pressure within the range 0.30 – 35 bar.
The module includes a heating element to pre-warm the gas sample in order to prevent premature condensation due to the Joule-Thomson effect (a drop in temperature that is a consequence of a drop in pressure in the gas mixture).
ILLUSTRATION 22 shows an overall view of the Pressure Reduction System (PRS). For a schematic drawing, please refer to Appendix F.
Detailed mounting and operating information can be found in the manual (VYMP2.848.005RE) delivered with the PRS.
HIGH-PRESSURE
VENTING MODULE
The venting module (VMPL4.078.025) is used to channel the sample gases flowing out of the Hygrovision’s measurement chamber into the main venting line, in those situations where the Hygrovision is used as a reference analyzer (Appendix G).
GAS PREPARATION SYSTEM SGA-003
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The SGA 003 gas preparation system, or simply SGA, (ILLUSTRATION 23) provides for the removal of various aerosol and mechanical contaminants from the sample gas at a working pressure of up to 160 bar.
The SGA is designed to accommodate the optional use of a Hygrovision BL as a temporary reference analyzer. To that end, a foldout mounting arm, and supplemental sample gas connection points are integrated into the SGA’s construction.
In addition, the SGA is also fitted with a supplemental access point on the explosion-proof terminal box in order to connect the Hygrovision BL to an external power supply and link it to the data transfer system.
1.7. CONTROL AND DISPLAY ELEMENTS
The analyzer has the following control elements:
On / off button (Pos.9; ILLUSTRATION 11);
Control buttons (Pоs.11; ILLUSTRATION 11) for regulating the temperature of the condensation mirror.
The touch screen display (Pos.10; ILLUSTRATION 11) is used to set and adjust the analyzer’s operating parameters. The display presents information in the form of text and graphics.
The touch screen stylus can be used to operate the display (Pos. 14; ILLUSTRATION 10).
1.8. THE ANALYZERS MENU
TURNING ON THE ANALYZER
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To turn on the Hygrovision BL press and hold the on/off but­ton for several seconds (Illustration 24).
After the analyzer has been switched on, the touch screen will display the software version information for two to three seconds. (Illustration 25)
The BL is ready to begin measurement operations when the software message is no longer displayed. The analyzer will automatically revert to the operation at which it was set when turned off (Illustration 26, 27).
The following control “icons” are displayed on the analyzer’s screen:
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Operating mode
Shows the currently selected operating mode (Pos.1 ILLUSTRATION 26; ILLUSTRATION 27);
Mode selection
Used to select the desired operating mode (Pos.12, ILLUSTRATION 26; ILLUSTRATION 27);
Properties
Used to select and access the analyzer’s basic operating pa­rameters in order to make adjustments (Pos.2, ILLUSTRATION 26; ILLUSTRATION 27) A description of the properties menu is included in Appendix I.
Measurement channel
Used to select the desired measurement type:
Dew point of water (channel W) or
Dew point of hydrocarbons (channel HC)
(Pos.11, ILLUSTRATION 26, ILLUSTRATION 27);
Mirror-cooling modality
a
Used to select the mirror-cooling mode when taking measure­ments manually:
a) Cooling of the condensation mirror at a continuous
preprogrammed rate (Pos.10, ILLUSTRATION 26; ILLUSTRATION 27);
b
b) Stepwise cooling of the condensation mirror by prepro-
grammed temperature intervals (Pos.10, ILLUSTRATION 26; ILLUSTRATION 27).
Laser activation icon
Used to switch the laser on and off (Pos.9, ILLUSTRATION 26; ILLUSTRATION 27).
This icon only appears when the microscope lighting button has been activated. The laser is preset in the on position.
Rough DP – Scan
This button activates a scanning process that finds a preliminary dew point value in order to establish the basic temperature range within which an accurate dew point value can be measured (Pos.7, ILLUSTRATION 26, ILLUSTRATION 27).
Microscope lighting
Used to switch the microscope (vertical) lighting on and off (Pos.8, ILLUSTRATION 26; ILLUSTRATION 27)
Mirror-cleaning mode
Used to activate the mirror-cleaning mode. In this mode the con­densation mirror is heated to a specific temperature in order to free the mirror surface of condensate residue by means of evapo­ration (Pos. 6, ILLUSTRATION 26; ILLUSTRATION 27).
Measurement scale
Used to change the measurement scale during the measurement process (Pos. 5, ILLUSTRATION 26; ILLUSTRATION 27)
DISPLAYED INFORMATION
Battery charge status – Pos.3 (ILLUSTRATION 26;
ILLUSTRATION 27);
Timer – Pos.4 (ILLUSTRATION 26; ILLUSTRATION
27);
Current temperature of the condensation mirror – Т;
Housing temperature – Tb;
Condensation temperature – Tc;
Evaporation temperature – Te;
Temperature interval during mirror cooling - ;
Signal level of the photodiode - U;
Dew point temperature – DР.
In stepwise cooling mode an automatic timer is activated which displays the time spent at each temperature level.
The battery status display consists of nine segments — each segment represents 10 percent of the battery’s charge.
PROPERTIES
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When the icon is tapped, additional information is dis­played.
The window that opens when the properties icon is tapped displays information about the operating system (ILLUSTRATION 28), the time and date (ILLUSTRATION
29), and the battery status (ILLUSTRATION 30).
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Use the < and > icons to navigate between individual menu points.
Please note that the date and time are set using the Settings menu (see also Appendix I).
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The Hygrovision’s battery should be fully recharged as de­scribed in the manual (KRAY5.122.007 ET) when the charge falls below 20%.
ANALYZER CHECK
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In order to check the functionality of the analyzer follow these steps:
Tap the icon to switch to the mirror-cleaning mode (Pos.6, ILLUSTRATION 26; ILLUSTRATION 27)
The analyzer’s display will show the “Transducer cleaning mode” window (ILLUSTRATION 31)
If the device is operating normally, the condensation mirror should heat to temperature of +50° ± 0.1° C (Т value).
Please note: Should there continue to be residue on the surface of the mirror after the mirror-cleaning cycle has been completed, the error message “The mirror is dirty” will be displayed. In this case it is necessary to repeat mirror cleaning as described in Point 5.2 .
Tap the icon to switch to the main menu.
Check that the microscope lighting is working properly by
tapping the icon.
When the microscope lighting is switched on, the symbol ap­pears as a black drawing on a light background.
When this lighting is switched off, the symbol, appears as a light drawing on a dark background.
AUTOMATIC DEW POINT
MEASUREMENT MODE
Tap the icon (Pos12, ILLUSTRATION 26; ILLUSTRATION 27) to switch to automatic dew point measurement mode.
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Select one of the three modes that displayed in the window that opens (ILLUSTRATION 32):
Automatic mode for hydrocarbons
Automatic mode for water
Hydrocarbons calibration mode
To activate the desired mode, simply tap the related field.
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In order to visually observe the measurement process in automatic mode for hydrocarbons, the microscope lighting
must be activated by tapping the icon. (ILLUSTRATION 33).
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In the automatic mode for water, the microscope lighting is switched off (,--./0120,34! ! #$). Visual monitoring of the measurement process in this mode is carried out with the microscope lighting turned off.
In order to switch between modes tap the icon again (Pos.12, ,--./0120,3 4! ! "&5!,--./01 2 0 ,3 4! ! "') and select the desired operation by tapping the related field 6,--./0120,34! ! #"78
TURNING OFF THE ANALYZER
To turn off the analyzer, press the red button on the left side of the touch screen housing (Pos. 9, ,--./ 0 1 2 0 ,3 4! ! **7!and hold it down until the display switches off (about five seconds).
1.9. CONNECTING
PERIPHERAL DEVICES
The following connection points are located on the right side of the analyzer’s housing:
ХР2 – used for maintenance purposes
ХР3 – microscope lighting connection socket (Pos.5 ;
,--./0120,34! ! *+)
XР1 – socket for connecting the analyzer to an external
power supply and for transferring measurement data over a RS-485 interface using the Modbus/RTU – Pro­tocol (Pos.6; ,--./ 01 2 0 ,34! ! *+)
A description of the Modbus register is included in 299:;<=>!?.
Attention!
The sockets (Pos. 4, 5) are intrinsically safe devices. Sockets ХР2 and ХР3 have light blue caps.
The IR port is located on the left side of the analyzer’s hous­ing (Pos.8; ILLUSTRATION 11). This connection port makes it possible to connect the Hygrovision to an terminal module or computer in order to transfer measurement data via the IR adapter (KRAY5.999.005), which is included with delivery as a standard component.
Measurement data is transferred using the standard terminal programs Hygrovision.exe (299:;<=>!@).
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Position of elements in illustration 35:
1 – Hygrovision BL dew point analyzer
2 – Microscope (KRAY3.821.003)
3 – AC power adapter (12- 32) V / 15 W
4 – Interface connector RS – 232 / 485
5 – Computer terminal
6 – IR Adapter (KRAY5.999.005)
К1 – Cable (KRAY4.841.082)
К2 – Cable (VMPL4.841.007)
Attention!
The AC power cable is connected to the analyzer via a supplemental junction box.
Within the junction box, connection of the intrinsically safe and not intrinsically safe electrical circuits must be carried out separately, in accordance with GOST R52350.11-2005 and Point 6 of this manual.
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Attention!
The terminal computer and the IR adapter (KRAY5.999.005) are not explosion-proof devices.
For this reason, connection of these devices to the analyzer may only be carried out in explosion-proof zone.
1.10. SPECIFICATIONS
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Water
-30 ºС – TH
Measurement range
Hydrocarbons
-30 ºС – TH
Water
±0.5 °С Measurement error
Hydrocarbons
±0.5 °С
Recommended
gas-flow volume
0.5 – 1 Nl/min
Attention!
To ensure the analyzer’s explosion safety, unused socket connections must be se­cured with the caps included with delivery.
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Battery-powered operation
= (8.4 – 12.6) V, 4 mА / 15 W
Electrical supply (Voltage / Power)
External power supply
= (12 – 32) V / 15 W
Battery-powered operation
4 h
Operating time
External power supply
Unlimited
Ambient Temperature
-10 – +50 0С
Working pressure
250 bar (dependent on BL version)
Level of housing protection
IP66
Dimensions (without micro-
165х204х257 mm
Weight (without accesso-
7.5 kg
Installation
Suitable for enclosed indoor spaces and open outdoor areas (hazardous zones)
Sample extraction connection
Pipe connection module (Dk-Lok connection pipe with an outer diameter of ø 6mm)
Service life:
Analyzer
Measurement cell
Rechargeable battery
10 years
3 years
300 charge/ discharge cycles (max. two years)
1.11. HYGROVISION BL STANDARD EQUIPMENT
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Table 2 gives an overview of the important standard components delivered with the Hygrovision BL.
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Table 2.
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Pos.
Article Number
Description
No.
Main components:
1
VMPL 4.161.003
Transport case
1
2
KRAY 2.844.007
Hygrovision BL dew point analyzer set (including the following accessories)
1
3
KRAY 3.821.003
Microscope
1
4
VMPL.841.007
Cable
5
VMPL 5. 183.001
Gas flow and gas pressure control system Model 001
1
6
VMPL 6.450.001
Gas delivery system Model 001
1
7
KRAY 6.451.017
Filter for the control of glycols and heavy hydrocarbons
1
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