Vaisala TACMET MAWS201MP User Manual Download

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TACMET Weather Station

MAWS201MP

SER

UIDE

M210455EN-B

October 2003

Summary of Contents for TACMET MAWS201MP

Page 1: ...TACMET Weather Station MAWS201MP USER S GUIDE M210455EN B October 2003...

Page 2: ...echanical including photocopying nor may its contents be communicated to a third party without prior written permission of the copyright holder The contents are subject to change without prior notice...

Page 3: ...TACMET MAWS 13 MAWS Operating Software 15 Radiation Shield 15 AWS Logger QML102T 16 Power Supply and Connection Unit QMP202MP 17 Backup Battery 17 Battery Regulator QBR101 17 Power Supply Unit BWC15SX...

Page 4: ...ck Key 41 Function Key F1 41 Cursor Keys 42 Backspace Key 42 Enter Key 42 Ctrl Key 42 On Off Key 42 Sequence of the Screens 43 Accessing the Screens 43 Main 44 Wind 45 Statistics 45 Enh 1 47 Enh 2 49...

Page 5: ...Wind Sensor WS425 102 Present Weather Detector PWD11A 102 Cleaning Transmitter and Receiver Lenses and Hoods 102 Cleaning DRD Rain Detector 103 Storage 103 Lightning Detector SA20M 103 Obstruction Lig...

Page 6: ...ector SA20M 130 Obelux Obstruction Light 130 Tiltable Pole Mast 131 TM32 Radio Modem 133 List of Figures Figure 1 TACMET MAWS System 14 Figure 2 Radiation Shield 15 Figure 3 Logger QML102T 16 Figure 4...

Page 7: ...dow in Diagnostic Monitor 90 Figure 46 Sensor Status Monitor Window 93 Figure 47 Sensor Details in Field Device Status Window 94 Figure 48 Event Log Window 95 Figure 49 MAWS201MP Mast Tilted 97 Figure...

Page 8: ...ems and Their Remedies 111 Table 37 Troubleshooting Ceilometer 112 Table 38 Troubleshooting SA20M 113 Table 39 Troubleshooting the Handheld Terminal 114 Table 40 Sensor Polling Reporting Times 117 Tab...

Page 9: ...al This manual consists of the following chapters Chapter 1 General Information provides important safety revision history and warranty information on the product Chapter 2 Product Overview introduces...

Page 10: ...on and page number You can send comments to us by e mail manuals vaisala com Safety General Safety Considerations Throughout the manual important safety considerations are highlighted as follows WARNI...

Page 11: ...d maintenance WARNING For safety reasons do not install the mast alone WARNING For safety reasons do not install the mast when wind speed is over 7 m s 14 knots WARNING Always wear a safety helmet dur...

Page 12: ...nother person capable of rendering first aid and resuscitation is present WARNING Do not service alone Under no circumstances should any person reach into parts and assemblies that are AC powered WARN...

Page 13: ...to electronic circuits Vaisala products are adequately protected against ESD for their intended use However it is possible to damage the product by delivering electrostatic discharges when touching r...

Page 14: ...e only to the extent that is provided by the applicable supply contract or Software License Agreement Warranty For certain products Vaisala normally gives a limited one year warranty Please observe th...

Page 15: ...e product nomenclature Introduction to TACMET MAWS TACMET MAWS is an automatic weather station designed for permanent installation TACMET MAWS accesses and processes data from its sensors performs dat...

Page 16: ...following numbers refer to Figure 1 above 1 Heated Ultrasonic Wind Sensor 2 Tiltable 6 m 20 ft or 10 m 33 ft mast 3 Lightning Detector 4 Power Supply and Connection Unit 5 Ceilometer 6 Obstruction Lig...

Page 17: ...ftware The embedded operating software runs in the AWS logger QML102T Access to the limited set of commands can be gained using the Handheld Terminal QMD101M or using MIDAS IV PC Radiation Shield 0306...

Page 18: ...sh memory for data logging and a charger for the internal backup battery The board uses the latest SMD Surface Mount Device technology and is conformal coated for improved protection also in high humi...

Page 19: ...BR101 is a charging and supervising instrument for 12 24 Volts lead acid and nickel cadmium batteries QBR101 allows input from AC mains power The maximum charging current can be set by the internal ju...

Page 20: ...to 440 Hz The output voltage is 36 VDC which is used for supplying heating power to Vaisala Ultrasonic Wind Sensor WS425 BWT36SXZ is installed inside QMP202MP on a standard DIN rail enabling easy mai...

Page 21: ...talled as such in an equipment enclosure designed to withstand the environmental conditions in question The data is provided via the onboard opto isolated serial interface of the transmitter unit For...

Page 22: ...sor WS425 Ultrasonic Wind Sensor WS425 uses ultrasound to determine wind speed and wind direction The sensor has no moving parts and it is resistant to corrosion and contamination The sensor has a bui...

Page 23: ...1M with Radiation Shield Air Temperature and Relative Humidity Sensor QMH101 is based on Vaisala s field proven HMP45D probe and comes with a special cable and connector For humidity measurements the...

Page 24: ...late design providing the necessary shielding from solar radiation and precipitation Pressure Sensor PMT16A 9901 020 Figure 10 Pressure Sensor PMT16A The silicon capacitive pressure sensor PMT16A has...

Page 25: ...Rain Gauge QMR101M 0306 019 Figure 11 Rain Gauge QMR101M Rain Gauge QMR101M is an economical and accurate rain gauge made of plastic which is frostproof and highly resistant to UV radiation QMR101M ha...

Page 26: ...be given locally or remotely Internal monitoring includes a sensor measuring the outgoing laser pulse energy circuitry checking the receiver sensitivity a sensor monitoring window contamination and tw...

Page 27: ...sensor status Dirt and foreign particles on the lens are detected automatically minimizing the risk of false high values A special calibration kit is provided as an option for conducting field calibr...

Page 28: ...ound strike Consequently SA20M provides early warnings of potentially fatal single event ground strikes Tiltable Pole Mast 0310 043 Figure 15 Tiltable Pole Mast DKP210AV T DKP206AV T and DKP210AV T ti...

Page 29: ...ssories both for a new and an existing concrete pad 0303 021 Figure 16 Foundation Set for DKP206AV The following numbers refer to Figure 16 above 1 Nuts and washers for foundation bolts 2 Orientation...

Page 30: ...with one set of guy wires whereas DKP210AV T is delivered with two sets Figure 17 below shows the contents of one set of guy wires and the accessories The top fastener of the guy wires is mounted to t...

Page 31: ...of non conductive material to protect the mast devices from overvoltage when lightning occurs Refer to Figure 18 below An active type of lightning rod is available as an option for areas where heavy...

Page 32: ...with 12 VDC nominal supply voltage The stabilized output of the light makes it possible that the variations of the supply voltage do not affect to the light output 0305 024 Figure 20 Obstruction Light...

Page 33: ...ovides great flexibility MIDAS IV uses the standard Windows user interface and features and is therefore straightforward and easy to learn The workstation software facilitates editing METAR SPECI repo...

Page 34: ...er supply lightning protection device and surge arresters are located in the enclosure In Figure 21 on page 31 the QCA101 enclosure is shown beside the MIDAS IV PC The maximum communication range with...

Page 35: ...o Modem 0310 065 Figure 23 TM32 Radio Modem Radio modems provide wireless data communication between MAWS201MP and MIDAS IV PC TM32 Radio modem features a watertight design for operation in unprotecte...

Page 36: ..._____________________________________________ M210455EN B VHF Antennas The VHF antenna can be installed on the tripod see Figure 24 below or on the pole mast see Figure 25 below The frequency range is...

Page 37: ..._______________________________________________________ 35 UHF Antennas The UHF antenna can be installed on the tripod see Figure 26 below or on the pole mast see Figure 27 below The frequency range i...

Page 38: ...B Mains Power Supply Module QMP211 The AC mains power supply module QMP211 is a switching power supply which operates from the universal AC input of 100 to 240 VAC and 50 60 Hz The output voltage is 1...

Page 39: ...le mast and accessories 6 m 20 ft DKP210AV T Tiltable pole mast and accessories 10 m 30 ft DKW200 Winch for mast QMD101M Handheld terminal TM32 Radio modem QMX102SET 2 VHF Antenna Set 150 174 MHz QMX1...

Page 40: ...Data power cable for DKP206AV T ZZ212915 WS425 Data power cable for DKP210AV T ZZ45214 AC cable 5 m 15 ft CT45300 AC supply cable for CT25KAM CT45298 DC data cable for CT25KAM ZZ45215 SA20M connection...

Page 41: ...t the handheld terminal cable to the Hand Terminal connector marked with a yellow arrow on the upper base of TACMET MAWS See section Handheld Terminal on page 40 for information on using the handheld...

Page 42: ...ation results produced by the TACMET MAWS logger Alarm screen that shows active alarms Setup screen for setting environmental variables such as time and altitude 9906 009 Figure 29 Handheld Terminal T...

Page 43: ...e when the shift mode indicator displays a press key 1 to write a letter C To write a letter D change the shift mode to a and press key 1 Caps Lock Key Press the Caps lock key to place QMD101M in uppe...

Page 44: ...er Key The Enter key is used to accept information for example a command currently entered in an input field In addition it is used to scroll through the fields on the setup screen Ctrl Key The Ctrl k...

Page 45: ...1 Main 2 Wind 3 Stat 4 Enh 1 5 Enh 2 6 Alarms 7 Status 8 Setup Accessing the Screens The screens are organized in a sequential manner in the order explained in section Sequence of the Screens on page...

Page 46: ...ns Table 3 Main Screen Information Screen text Measurement Unit SI US Note MAWS1 Station name Main Screen name 13 10 Current time The handheld terminal receives data when the asterisk is seen WD Wind...

Page 47: ...s Gust 0 m s SQ 0 m s a Next Prev The Wind screen shows instant and statistical wind information Table 4 Wind Screen Information Screen label Measurement Unit SI US WD Wind direction Deg WS Wind speed...

Page 48: ...tation sum from QMR101M mm in Rain 24h 24 hour precipitation sum from QMR101M starting at 00 00 am mm in Prec 1h Last one hour precipitation sum from PWD11A mm in Prec 3h Last three hour precipitation...

Page 49: ...ning 15 min Count 2 Nearest 2 km Bearing 170 deg RfNoise N a Next Prev Table 7 First Enhancement Screen Information Screen Label Measurement Unit SI US Condition Textual representation of the present...

Page 50: ...cker during past hour 2 40 Precipitation 41 Precipitation slight or moderate 42 Precipitation heavy 50 Drizzle 51 Drizzle not freezing light 52 Drizzle not freezing moderate 53 Drizzle not freezing he...

Page 51: ...observation Enh 2 Press on the first Enhancement screen Enh 1 to get to the second Enhancement screen Enh 2 MAWS1 Enh 2 13 10 H Vis 10A 5400 m Cloud Octas Height m L1 3 640 L2 5 880 L3 8 1040 L4 L5 V...

Page 52: ..._____________ M210455EN B Alarms Press on the Enh 2 screen to get to the Alarms screen MAWS1 Alarms 13 10 PVD11A Comm failure a Next Prev The Alarms screen shows active alarms If an alarm is triggered...

Page 53: ...orrect cable connections or replace sensor QMP202MP battery empty or hardware failure PWD11A HW alarm warning Hardware error on PWD11A PWD11A Optics contamin PWD11A optics contaminated Clean the optic...

Page 54: ...ernal temperature of the TACMET MAWS logger Table 11 Status Screen Information Screen label Explanation Limit value Int Batt Internal battery voltage of MAWS V 5 5 7 6 V Int temp Internal temperature...

Page 55: ...e checked All the settings excluding Name are mandatory NOTE When changing the station dependent settings connect the handheld terminal to TACMET MAWS with a hard wire To change the station dependent...

Page 56: ...or example For details see Figure 30 on page 55 Alt Station altitude from sea level Use the same unit as selected in the Units field Pslev Pressure sensor altitude from the ground station level Use th...

Page 57: ...__________________________________________________________ 55 9908 001 Figure 30 Time Zones Terminal Connection NOTE The terminal mode is for maintenance purposes only When you are on the Setup screen...

Page 58: ...selected storage media and distributes data further to other systems MIDAS IV allows the user to edit the METAR reports with easy to use templates Moreover MIDAS IV provides the Event Monitor option...

Page 59: ...s three items Use radio modem Radio modem channel and Configuration software Use radio modem item is used to enable disable radio modem Radio modem channel item is used to select the pre configured ra...

Page 60: ...nfiguration Select your system configuration 1 Basic station 1 Enhancement station Basic and Basic stations Enhancement and Basic stations Enhancement and Enhancement stations or Fixed Station mast in...

Page 61: ...nt and the order of the displays in the Weather View application NOTE Normally there is no need to modify the display settings Weather View Weather View is an application for graphical and numerical p...

Page 62: ...ystem and may differ from the ones presented in this manual Screen 1 The Weather View application is composed of several screens When one TACMET MAWS is connected to MIDAS IV PC the screen 1 shows bas...

Page 63: ...variation WD 10Max Shows 10 minute wind direction maximum WS 10Max Shows 10 minute wind speed maximum Rectangle in the middle of the wind rose Shows instant wind speed value WD 10Mnm Shows 10 minute...

Page 64: ...2 __________________________________________________________________ M210455EN B Screen 2 Screen 2 shows Enhancement data from TACMET MAWS Figure 34 Weather View Screen 2 Enhancement Data NOTE If ligh...

Page 65: ...s Distance SM Distance to nearest lightning strike Direction Direction to nearest lightning strike Count Number of lightning strikes in 15 minutes RfNoise SA20M skinmap information N None L Low M Medi...

Page 66: ...s on page 65 to change the scales of the visibility diagram Screen 3 Screen 3 is a graphic display which shows pressure cloud base and wind speed data Figure 35 Weather View Screen 3 Graphic Display T...

Page 67: ...Graphic Scales To change the scale of a diagram for example temperature diagram in screen 1 do the following 1 Move the cursor over the temperature diagram 2 Click the right mouse button 3 Change the...

Page 68: ...reen Refresh updates all display items Open displays the screen description files Close shuts the active window Print prints the data shown on the active display Print Setup displays printer and conne...

Page 69: ...screen Help The Help menu includes the following command About Weather View shows version and copyright information Toolbar The toolbar contains the following shortcut icons for the most frequently u...

Page 70: ...the operator Special observations are generated when weather parameters reach the threshold specified in the system configuration and as required by ICAO Annex III There is also support for corrected...

Page 71: ...3000 ft 914 41m Vertical visibility When the visibility goes below 100 ft 30 48m 200 ft 60 96m 300 ft 91 44m 500 ft 152 40m 700 ft 213 36m 1000 ft 304 80m or 1500 ft 457 20m The buttons in the US MET...

Page 72: ...pies the selected text Paste Adds the copied or cut text at the cursor location Copy to Clipboard Copies the template as a bitmap image to the Clipboard Table 24 US METAR View Menu Command Description...

Page 73: ...ies the selected text Paste adds the copied or cut text at the cursor location Print prints the template No consistency check turns the consistency check off When selected the system does not display...

Page 74: ...he report Sending the report Checking and Editing Data Fields When the US METAR template window appears on your screen several fields are already filled with sensor data These fields are called automa...

Page 75: ...Manual Direction of visibility N NE E SE S SW W NW or RVR fields Manual Runway Visual Range minimum average maximum tendency RVR 2 fields Manual Runway Visual Range minimum average maximum tendency P...

Page 76: ...in the data fields and click the BUILD button again When you click the BUILD button the system performs a set of validations depending on the configuration The system checks that certain values for e...

Page 77: ...he Minimize after send option is selected from the Settings menu the system automatically minimizes the template window ASCII Log View MIDAS IV stores METAR history files for a period of 30 days After...

Page 78: ...minute maximum visibility PA Pressure altitude m PAINS 1 minute barometric pressure average hPa PTEND Pressure tendency hPa PTREND Pressure trend 3 hour difference hPa PW1 Metar present weather code...

Page 79: ...inimum m s WS10X 10 minute wind speed maximum m s WSGUST Wind gust Event Monitor Event Monitor is an application for viewing and acknowledging events warnings and alarms in the system Events are divid...

Page 80: ...ile with a name specified by the user Acknowledge marks the active event as noticed Voice activates the optional Midas IV voice alarm function This application is not available with the TACMET system...

Page 81: ...Monitor window button program icon and name from the Windows taskbar on the bottom of the screen when the window is minimized The application window can be returned by double clicking the Event Monit...

Page 82: ...vent Monitor to a full size window by double clicking the Event Line NOTE Do not use the Auto hide option Windows Taskbar Settings with the Bottom Line command When the application is minimized the wi...

Page 83: ...of the event Status Each event can have one of the following statuses OVER The event is not currently active This status never exists in the active event view ACKED Operator has acknowledged the event...

Page 84: ...itor icon The Event Monitor window opens 2 In the View menu select the event types you want to see 3 Check the latest unacknowledged event in the list the topmost with red icon 4 When you have checked...

Page 85: ...11A within a specified time MOR_LEVEL_DOWN MOR_LEVEL_UP MOR Meteorological Optical Range visibility The system reports you between which SPECI limit values the 10 minute average is changing Limits use...

Page 86: ...or to view the system status more closely When there is a Technical Event message in Event Monitor you need to use Diagnostic Monitor to look up the location of the sensor causing the event CAUTION Di...

Page 87: ...tended for Vaisala internal use In single CDU systems the Cluster B column in the Statuses tab is not used Cluster A column shows when the CDU is working properly OnLine and when it is out of order Mi...

Page 88: ...m messages produced by the Alarm Service Weather report data The status of ROA objects in your system is indicated in the Statuses tab by the color of the Objects icon In a normal situation the Object...

Page 89: ...missing from the system altogether If the existence of a ROA object is Unknown yellow it usually means that there is an application running for which you do not have a proper license See also Table 32...

Page 90: ...atus Icon Explanation Action Green Object is running correctly No action needed Yellow There is a non configured program running in the system usually a Vaisala internal tool Stop the non configured p...

Page 91: ...information intended for Vaisala internal use Statuses The Statuses column is important for ensuring the quality of data in the system and in end user applications The information in the Statuses colu...

Page 92: ...es NOTE In this context the word user does not refer to the end user of MIDAS IV workstation A ROA user is one of the following Workstation application for example Weather View METAR SPECI System prog...

Page 93: ...is running in the system Existence The Existence column shows the status of the ROA user A ROA user can be Obligatory Violation Unknown or Missing The normal status is Obligatory If the system cannot...

Page 94: ...safely use in your troubleshooting tasks Do not use functions that are not covered in this manual You can hide and show the toolbar and status bar by selecting the corresponding View menu options Tool...

Page 95: ...times a minute See Table 34 below for details Port The Port column shows the number of the port to which the sensor is connected Status The Status column shows the sensor status See Table 35 on page 9...

Page 96: ...planation OK Communication between sensors and CDU is running correctly Error Problems in communication between sensors and CDU Command Mode Sensor is in maintenance mode When you right click a sensor...

Page 97: ...10 041 Figure 48 Event Log Window The Event Log window shows the time of the event the name of the sensor the event number and the sensor message text for example message missing You can adjust the am...

Page 98: ...User s Guide ______________________________________________________________________ 96 __________________________________________________________________ M210455EN B This page intentionally left blank...

Page 99: ...PTER 4 MAINTENANCE This chapter provides information that is needed in the basic maintenance of the product Under normal conditions MAWS201MP Weather Station needs only a minimum amount of maintenance...

Page 100: ...at there are no power lines or other obstacles near the mast WARNING Be sure that there are no persons under the mast when the mast is tilted WARNING Avoid touching the wire with bare hands Do not try...

Page 101: ..._ 99 0303 046 Figure 50 Mast Orientation 2 Open the 4 securing bolts in the hinge see Figure 51 on page 100 CAUTION Do not open the horizontal hinge bolt After erecting the mast secure the hinge with...

Page 102: ...s for Securing the Hinge The following numbers refer to Figure 51 above 1 Allen bolt 2 Spring washer 3 Washer 3 Lower the mast slowly by turning the winch counter clockwise CAUTION You should always h...

Page 103: ...the mast does not rest on the tilting support CAUTION Be careful not to damage sensors or accessories with the tilting support 2 Remove the tilting support 3 Fully erect the mast with the winch 4 Scr...

Page 104: ...11A is needed because the sensor has been calibrated at the factory Periodic maintenance of the PWD11A Present Weather Detector includes Cleaning of the transmitter and receiver lenses and hoods Clean...

Page 105: ...n depending on the conditions CAUTION The measuring principle does not allow for proper ESD protection of the DRD electronics carefully follow the instructions below 1 Ground your hand by touching gro...

Page 106: ...mperature and Relative Humidity Probe QMH101M Calibration and maintenance of the air temperature and relative humidity probe should be performed at regular intervals depending on the conditions of use...

Page 107: ...urate measurements we recommend that the following checks be carried out at each visit to the rain gauge NOTE If the gauge is still connected to the data logger and logger is operating be careful not...

Page 108: ...d equipment Laptop PC with a terminal software for example HyperTerminal Reference pressure sensor TACMET MAWS PC cable ZZ45202 Calibration procedure of PMT16A is the following 1 Place the reference p...

Page 109: ...the pressure reading with the handheld terminal It should be the same as the reference reading 11 Repeat the calibration if necessary 12 Type close and press ENTER to close the terminal connection 13...

Page 110: ...eeded a clean part of the towel should be used Storage Place caps on all external connectors if stored unpacked for extended periods of time in an unconditioned area Also maintain a dust cover on the...

Page 111: ...ule Handheld Terminal QMD101M Under normal conditions QMD101M needs only a minimal amount of maintenance In general it is not advisable to repair QMD101M in the field Field preventive maintenance is l...

Page 112: ...User s Guide ______________________________________________________________________ 110 _________________________________________________________________ M210455EN B This page intentionally left blank...

Page 113: ...ome Common Problems and Their Remedies Problem Probable Cause Remedy The terminal connection is not open Check the cable connection TACMET MAWS will not open for commands MAWS is not receiving power C...

Page 114: ...e following 1 Check the cable connections 2 Check the presence and correctness of line voltage 3 Check the operational states of the LEDs in the unit 4 At the data line check that the connection is co...

Page 115: ...lights close to PWD11A Flashing lights may cause PWD11A to detect peaks in the optical signal SA20M Table 38 Troubleshooting SA20M Problem Probable Cause Remedy Bad connection Check that all cables ar...

Page 116: ...tain low power consumption Press any key on the keypad The Not Available text appears on the screen Your system does not have the Enhancement sensors connected Connect the sensors If you have the Basi...

Page 117: ...on and environment When did it fail date immediately after a while periodically randomly How many failed only one defect other same or similar defects several failures in one unit What was connected t...

Page 118: ...User s Guide ______________________________________________________________________ 116 _________________________________________________________________ M210455EN B This page intentionally left blank...

Page 119: ...ta of the TACMET Weather Station for Pole Mast Installations Polling Reporting Times Table 40 Sensor Polling Reporting Times Parameter Polling Reporting Wind direction WS425 1 s 5 s Wind speed WS425 1...

Page 120: ...on MAWS201MP Table 41 MAWS201MP Specifications Property Description Value AC power consumption 260 VA max 2 3 A 115 VAC 1 15 A 230 VAC Battery backup time 4 h at minimum excluding PC equipment optiona...

Page 121: ...2 5V range 250 mV range 25 mV range 6 5 mV range Better than 0 08 F S 150 V Better than 0 18 F S 15 V Better than 0 18 F S 3 V Better than 0 18 F S 3 V Frequency measurements 0 003 resolution 241 ns...

Page 122: ...lections 0 5 1 0 2 0 2 5 A 0 5 A Max battery discharge current 3 5 A Battery charge voltage selection with external resistor 13 7 V Battery charge temp comp Coefficient 20 mV C typical Load disconnect...

Page 123: ...iciency 81 Noise and ripple Output V 0 01 50 mVp p max Input regulation 0 8 max Load regulation 0 9 max Temperature coefficient 0 03 C Output voltage rise time 200 ms max at 25 C Hold up time 20 ms mi...

Page 124: ...rise time 300 ms max at 25 C Hold up time 20 ms min at 25 C Over current protection Current limiting Switching frequency 110VAC 230VAC 135 kHz Electrical strength isolation Input Output Input Chassis...

Page 125: ...C start up level 10 VDC 50 V abs max With default configuration 15 mA 12 VDC in 7 5 mA 24VDC including sensors Power consumption With extreme configuration 50 mA 12 VDC in 25 mA 24 VDC Modem module 25...

Page 126: ...592 MHz 2 Register access Operated through an 8 bit bus interface Connection 2 wire Point to point line or multidrop modem network Modem protocols V 21 300 bps FSK V 23 1200 75 bps FSK V 22 1200 bps D...

Page 127: ...ize Pixels Character cell size CG set LCD type Graphics LCD 89 x 91 mm 3 5 x 3 57 in 160 x 160 8 x 16 10 rows x 20 columns or 6 x 10 16 rows x 26 columns 256 PC character set 16 programmable character...

Page 128: ...1 mph 0 1 knots 0 1 km h Resolution wind direction 1 degree Power operating 10 15 VDC 12 mA analog Power heating 36 VDC 10 0 7 A Heater Thermostatically controlled heaters in the transducer heads prev...

Page 129: ...Temperature and Relative Humidity Sensor QMH101M Table 52 QMH101M Specifications Property Description Value Range Temperature 40 60 C 40 140 F Range RH 0 100 Accuracy Temperature Better than 0 3 C Acc...

Page 130: ...15 120 s Microprocessor Intel 16 bit CMOS 80C188EB DC power consumption total measurement unit window blower 20 W 15 W 5 W AC power 115 or 230 VAC 45 65 Hz max 240 W including heating 15 Interfaces R...

Page 131: ...sensitivity 0 05 mm h or less within 10 minutes Weather type identification 7 different types of precipitation rain freezing rain drizzle freezing drizzle mixed rain snow snow ice pellets Precipitatio...

Page 132: ...nmi Directional accuracy 5 Power 10 18 VDC 7 W 0 5 A typ 13 8 VDC Transient voltage surge protection All lines Weight 3 6 kg 8 lb Dimensions w d h 310 x 310 x 130 mm 16 x 16 x 5 in Temperature 35 55 C...

Page 133: ...g rod Aluminum alloy Pedestal tube and hinge Stainless steel Other parts e g bolts Stainless steel Guy wires Material Breaking strength Marking Stainless steel 28 kN 6 295 lbf Black and yellow colored...

Page 134: ...tal tube and hinge Stainless steel Other parts e g bolts Stainless steel Guy wires Material Breaking strength Marking Stainless steel 28 kN 6 295 lbf Black and yellow colored cable shrouds to the heig...

Page 135: ...rleave for burst error correction up to 20 consecutive bits in transparent and packet modes of operation General radio specifications Synthesized frequency control Channel spacing resolution of 6 25 1...

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