Decatur Electronics Surface Velocity Radar SVR2-01 User Manual Download Page 38

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11. Specifications

11.1 Measurement Specifications

Lo Minimum Velocity

1 fps (0 .3 m/s)

Lo Maximum Velocity

30 fps (9 .1 m/s)

Hi Minimum Velocity

2 fps (0 .6 m/s)

Hi Maximum Velocity

65 fps (20 m/s)

Measurement Accuracy

5% of Reading

Units of measure can be set to read in feet per second (fps) or meters per second (m/s).

11.2 Factory Default Settings

Units

M/S (meters-per-second)

Horizontal Cosine

0°

Sensitivity

11.3 Antenna Parameters

Type

K-Band

Nominal Transmission

Frequency

24 .150 Ghz

Nominal Horizontal Beamwidth

12°

Polarization

Circular

Nominal Microwave Power
Output

7 mW

Maximum Aperture
PowerDensity

<1 mW/cm

11.4 Environment

Ambient Temperatures

-22°F to +158°F, -30°C to +70°C

Maximum Humidity

90% relative humidity at 99°F
(37°C) non-condensing

Water resistance meets International Robustness Standard
IEC 529:1989 and European Community Standard EN 60529
Classification IP55 .12°

Summary of Contents for Surface Velocity Radar SVR2-01

Page 1: ...SVR Surface Velocity Radar SVR2 01 User s Manual Rev 12 8 2016 ...

Page 2: ......

Page 3: ...SVR Surface Velocity Radar SVR2 01 User s Manual ...

Page 4: ... LED 13 3 8 Battery Run Time 14 3 8 1 Auto Power Off 15 3 9 Replacing Batteries 15 3 10 Connecting The Power Cord 15 3 11 Plug In The Power Cord 15 3 12 Control Panel Functions 15 4 Components 16 4 1 Control Buttons 16 4 2 Display 17 4 3 Trigger 19 4 4 Mounting Configuration 19 5 Operating Modes 19 5 1 Menu 19 5 1 1 Backlight 21 5 1 2 Display Function COS 21 5 1 3 Display Function U 22 5 1 4 Displ...

Page 5: ...2 2 Electromagnetic Interference EMI 36 9 2 3 Feedback Interference 36 9 2 4 Radio Frequency Interference RFI 36 9 2 5 Scanning 36 9 2 6 Environmental Factors Wind Rain Snow 37 10 Care Cleaning and Storage 37 11 Specifications 38 11 1 Measurement Specifications 38 11 2 Factory Default Settings 38 11 3 Antenna Parameters 38 11 4 Environment 38 11 5 Voltages 39 11 6 Power Consumption 39 12 Legal Req...

Page 6: ...error correction for the vertical and horizontal angle positions of the gun to the target The SVR also contains a configurable horizontal cosine adjustment that may be used when the angle of the gun is not parallel to the flow of the target If you are as pleased with its performance as we think you will be ask your Decatur sales representative about other Decatur products including the Genesis lin...

Page 7: ...s should be referred back to the manufacturer WARNINGS Do not over voltage the radar it can damage the unit When replacing batteries in the SVR you should replace all 6 with new batteries even if you suspect that only one cell is defective Use rechargeable Nickle Metal Hydride batteries only The SVR is designed to operate off of conventional 12 VDC 10 8 to 16 5 VDC from the power cable In addition...

Page 8: ...ts inside Do not expose the SVR to excessive moisture Never submerge the device If the SVR should accidentally get submerged be sure and remove the batteries immediately Do not drop the SVR on hard surfaces since damage could occur Units damaged by dropping or abuse are not covered for warranty repair Violation of these guidelines may void the warranty ...

Page 9: ...nloading Take pictures to document any damage Notify the freight company immediately of any damage preferably while the driver is present Record the damage on the bill of lading and keep a record of the problems or damage The package should include the following pictured items along with this User s Manual SVR2 01 Detachable power cable Batteries battery holder ...

Page 10: ...atteries or off the DC power cord When you first receive your radar the batteries will need to be charged for the first time before using Once batteries have been charged if you do not use the SVR for 3 4 weeks you will want to recharge the batteries before use in order to get the full run time To charge batteries for the first time or to replace the batteries following steps 3 6 to 3 7 3 3 Removi...

Page 11: ... with batteries Figure 3 4a Battery holder Notice that the negative side of each battery goes to the spring contacts of the holder 3 5 Inserting the Holder into the SVR The battery holder is designed so that it can only make contact with the power connections inside the gun if the holder is slid into the gun in the correct way If you look closely at the holder you will see that there is a positive...

Page 12: ...e handle the door can not be put back in place and closed 3 6 Charging the Batteries The power cable that comes with the SVR can be used to either power the SVR directly from your vehicle receptacle or to charge the SVR s batteries Once the batteries have been properly installed into the holder and inserted into the handle plug the power cord into the power connector at the base of the handle by a...

Page 13: ...urning the SVR on with the cord plugged in will stop the charge cycle allowing the gun to be operated from the power cord Batteries do not charge when the gun is turned on 3 7 Charge Status Indicator LED The status of the charge can be determined by the Charge Status Indicator LED located on the bottom of the handle See Figure 3 7 The table below defines the status Fast blinking green light checki...

Page 14: ...ot charge You can not operate the SVR and charge the batteries at the same time Best performance from your batteries is obtained when recharged at temperature between 50ºF 10ºC and 113ºF 45ºC Recharging outside of that temperature range may result in reduced battery life or incomplete charging 3 8 Battery Run Time How long the SVR can operate between recharges depends upon several factors includin...

Page 15: ...3 10 Connecting the Power Cord If you choose to run off the power cord instead of the internal batteries connect the power cord to the receptacle on the bottom of the SVR being sure to properly align the plug on the power cord to the connector on the bottom of the SVR The SVR automatically will switch from the internal batteries to the power cord for power when the unit is turned on 3 11 Plug In t...

Page 16: ...ions you can change Repeatedly pressing the MENU button advances through the programmable features SEL The select SEL button lets you choose the settings in each of the mode options To change a mode option press the SEL button PWR The PWR button turns the radar on and off When first powered on the SVR will display the screen shown in Figure 4 1 When you power the SVR off the word OFF will appear i...

Page 17: ...e the speed displayed in 10ths or 100ths 4 2 Display 4 2 1 Number Segments The 5 large digits 88888 display the speed Resolution is determined by the placement of the decimal point The icons indicate the status 4 2 2 Status Indicator Icons When first turned on the SVR performs a segment check of the display to show that all segments and icons are working The following icons will appear at the top ...

Page 18: ...radar is transmitting HOLD HOLD indicates the system is not transmitting FPS Indicates that the gun is set to display speeds in feet per second M S Indicates that the gun is set to display speeds in meters per second Once the segment check test is completed the display will show the POWER HOLD and the units of measure FPS or M S icons along with 5 dashes across the center of the display The SVR is...

Page 19: ...s or you can select your own settings To select a setting repeatedly press the MENU button until the setting you want to change appears Then release the MENU button and press the SEL select button to advance through the selections for that setting When you have made your selection release the button and your new settings will be in effect If neither MENU or SEL is pressed after 2 seconds the radar...

Page 20: ...SVR2 01 User s Manual 20 Table 5 1 Menu Settings ...

Page 21: ...ight off when not needed saves battery power Figure 5 1 1 Backlight mode 5 1 2 Display Function COS Use COS cosine to adjust the cosine correction angle for the horizontal yaw angle the valid range is 0 to 60 in increments of 5 The correction angle chosen will be saved and retained until you change it again Figure 5 1 2 Cosine mode ...

Page 22: ...y Function A Vertical Angle Display Used to verify that the SVR is reading vertical angle correctly The vertical angle may be checked by pressing the Menu button until the letter A is shown in the display and then pressing the SEL button As you move the gun up and down the angle that the gun is currently at will be displayed To exit the mode pull the trigger switch or press the MENU RCL or PWR but...

Page 23: ...atic Choose a value that works best for the site you are taking measurements at Figure 5 1 5 Sensitivity Mode 5 1 6 High Low Speed Selection Used to set the range of speeds that the SVR will measure A LO setting sets the SVR to measure speeds in the range of 1 fps to 30 fps 0 3 m s to 9 1 m s A HI setting sets the SVR to measure speeds in the range of 2 fps to 65 fps 0 6 m s to 20 m s Figure 5 1 6...

Page 24: ...he averages speed or running average and CR is a carriage return Sr2 AAA RRR RR SSS SS CR Where AAA is the confidence number ranging from 004 to 999 with 004 being the lowest confidence number and 999 being the most confident RRR RR is the present speed or the current speed measured SSS SS is the averages speed or running average CR is a carriage return 5 1 8 Serial Update Rate Used to set the upd...

Page 25: ...ty The SVR will begin taking an additional 10 measurement starting with zero 0 and proceeding up to 9 as each measurement cycle is completed Once all additional 10 measurements have been completed the average of all the measurements are displayed This will take 60 seconds to complete Figure 6 1 The dash appears on the left hand side of the display window 6 2 Taking a Measurement Turn the SVR on by...

Page 26: ...over the last 15 seconds and will remain unchanged until this cycle is completed The number 1 will continue flashing After 20 seconds the number in the left hand side of the display updates to 2 and runs the same speed measurement as described previously The SVR will continue to take speed measurements every 5 seconds and display the new average speed and update the number shown on the left hand s...

Page 27: ...adar Works Particulate material and or floating debris seeding on the surface and surface water roughness provide this effect The SVR easily measures the velocity at which the particulate material moves in high flow conditions This provides the accuracy of the surface flow For velocities of more than 1 to 2 f s 0 30 to 0 60 m s floating debris and particulate material provide an ample return signa...

Page 28: ...d on the screen Figure 6 3a shows an example The 0 in the left hand corner of the display indicates the last reading Figure 6 3a First reading recalled will show 0 in the left side of the display The next press of the RCL button clears that recalled reading and prepares the SVR to display the next reading Dashed lines will show in the display Figure 6 3b Display ready to show next recalled reading...

Page 29: ... or 9 99 fps the radar will display only the tenths digit when in recall mode Example a reading of 10 23 will show as 10 2 If the recalled speed is 9 99 or less then the MODE button can be used to toggle between high and low resolution mode 7 Angle Compensation Because surface velocity readings must be taken from a stationary dry position often a river bank or bridge readings are necessarily affec...

Page 30: ... do not need to manually set the tilt sensor However you must hold the gun still at a constant vertical angle while taking a velocity measurement The SVR indicates when the pitch down angle exceeds 60 by displaying tilt While tilt appears in the display window the radar gun does not record velocity measurements To continue taking water surface velocity measurements tilt the gun to an angle less th...

Page 31: ...results in the radar displaying a spurious reading Angles less than 9 impart an error of less than 1 To eliminate or greatly reduce this error set the horizontal angle compensation option to the angle that you plan to aim the radar gun to the target Then aim and hold the gun at this set angle during the entire velocity measurement To set the horizontal angle compensation option press the MENU butt...

Page 32: ...igure 7 2 The horizontal angle setting for 5º 8 Communications Port The SVR has a communications port on the bottom of the handle Use this port to upgrade the software as new releases become available and to export RS 232 speed data Figure 8 illustrates the port s location Figure 8 Port location The communications port sends serial data and has the following characteristics 8 n 1 ...

Page 33: ...hing or receding target When energy from this beam strikes the target a small amount of energy from this beam is reflected back to the antenna in the radar device The reflected signal frequency shifts by an amount proportional to the velocity of the target This is known as the Doppler effect The radar device then determines the target velocity from the difference in frequency between the transmitt...

Page 34: ... Signs that a velocity is spurious can include the following characteristics a reading appears when no target is in the operational range of the antenna a target entering the operational range overrides the interference signal causing the display velocity to change suddenly interference is irregular and does not provide a valid target history 9 2 1 Angular Interference Cosine Effect The cosine eff...

Page 35: ...s 0 1º 3º 5º 10º 15º 20º 30º 45º 60º 90º Displayed speed 3 3 0 3 0 3 0 3 0 3 0 2 9 2 8 2 6 2 1 1 5 0 0 5 5 0 5 0 5 0 5 0 4 9 4 8 4 7 4 3 3 5 2 5 0 0 7 7 0 7 0 7 0 7 0 6 9 6 8 6 6 6 1 4 9 3 5 0 0 9 9 0 9 0 9 0 9 0 8 9 8 7 8 5 7 8 6 4 4 5 0 0 11 11 0 11 0 11 0 11 0 10 8 10 6 10 3 9 5 7 8 5 5 0 0 13 13 0 13 0 13 0 13 0 12 8 12 6 12 2 11 3 9 2 6 5 0 0 15 15 0 15 0 15 0 14 9 14 8 14 5 14 1 13 0 10 6 7 ...

Page 36: ...o correct the interference simply turn off the source of interference 9 2 3 Feedback Interference When you direct the radar beam at computer screens streetlights and other electronic devices it can display spurious erratic and unusually low or high velocities To correct the interference move the radar gun s antenna away from the source of the interference 9 2 4 Radio Frequency Interference RFI The...

Page 37: ...the vertical velocity component of rain or snow is dominant Rain droplets passing in front of the measuring plane of the antenna and water surface roughness produced by rain droplets contacting the water surface cause this effect However in conditions of rapid water flow these effects are minimal The dominant effect is the surface water flow following the direction of the main open channel In thes...

Page 38: ...ault Settings Units M S meters per second Horizontal Cosine 0 Sensitivity 10 11 3 Antenna Parameters Type K Band Nominal Transmission Frequency 24 150 Ghz Nominal Horizontal Beamwidth 12 Polarization Circular Nominal Microwave Power Output 7 mW Maximum Aperture PowerDensity 1 mW cm2 11 4 Environment Ambient Temperatures 22 F to 158 F 30 C to 70 C Maximum Humidity 90 relative humidity at 99 F 37 C ...

Page 39: ...tteries Low Voltage Threshold 6 1VDC battery 8 5VDC cord 11 6 Power Consumption Standby 105 amperes Antenna ON no target displayed 170 amperes Antenna ON anything displayed 172 amperes Antenna OFF segment check 888 116 amperes Antenna ON segment check 888 180 amperes All currents measured at 13 8VDC with backlight on ...

Page 40: ...n Randall Sanner NOT TRANSFERABLE EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE and is VALID ONLY for the equipment identified hereon for use under the Commission s Rules and Regulations listed below FCC IDENTIFIER HTRCR 1KD Name of Grantee Decatur Electronics Inc Equipment Class Part 15 Field Disturbance Sensor Notes Traffic Safety Radar Frequency Output Frequency Emission Grant N...

Page 41: ...surface but the radar gun still seems to give me a higher and or much lower reading than I expect A Make sure you are not too far away from the water surface when making a measurement This distance is sometimes difficult to determine because the measurement is a function of the amount of returning signal to the radar gun The returning signal directly relates to the distance from the water surface ...

Page 42: ...radar gun measures the velocity in 60 second intervals When the first measurement value appears on the display it is a result of the radar gun sampling the surface velocity numerous times The radar gun puts the data values in a type of first in first out memory buffer As the radar gun continues to take samples it discards and replaces the older velocity values with newer samples then averages the ...

Page 43: ...s not include normal wear and tear crushing dropping fire impact immersion over tightening of screws or damage from attempted repair or modifications by unauthorized service agents For repairs simply return the unit transportation prepaid directly to a Decatur authorized warranty service center Refer to section 15 Service Return Procedure TWO YEAR WARRANTY EXCEPTION If you purchased the unit under...

Page 44: ...age shipped express or next day air there will be an additional charge If you are referred to a Service Provider and your product is under warranty then once your product has been received the Service Provider will investigate the problem Once they have diagnosed the problem they will repair the product and return it to you If you are referred to a Service Provider and your unit is not under warra...

Page 45: ...rranty it will automatically be repaired and sent back to you 16 How to Order Additional Products You can order upgrades to the SVR when available as well as cases battery packs and tripods To see product descriptions or order products see the Decatur Electronics Web site at www DecaturElectronics com or call the sales office at 800 428 4315 ...

Page 46: ...SVR2 01 User s Manual 46 USER NOTES ...

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Page 48: ...www DecaturElectronics com 3433 East Wood Street Phoenix Arizona 85040 USA 800 428 4315 217 428 4315 Fax 217 428 5302 ...

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