Sentinel ® Voltage Loggers
Contents
1. MODEL SDL V301 SDL V401 Channels Three Four Input Recessed banana jacks Recessed banana jacks AC DC Volts AC DC Volts Current Range 0 to 600VAC to 600VAC Voltage Range 0 to 850Vpc to 0 Resolution 0 1V 0 1V Accuracy 5 to 85VAC DC 50 1 0 of Reading 0 6V 1 0 of Reading 0 6V 85 to 600VAc 850VDpc 85 to 600VAc 850VDC 0 25 of Reading 0 6V 0 25 of Reading 0 6V Sample Rate 64 samples cycle 64 samples cycle Storage Rate Programmable from Programmable from 250ms to 12 hrs 250ms to 12 hrs Storage Stop when full FIFO and Extended Stop when full FIFO and Extended Technique Recording Mode XRM Recording Mode XRM Recording 1 minute to 8 weeks 1 minute to 8 weeks Length programmable using DataView programmable using DataView Memory 480 000 measurement 1MB 480 000 measurement 1MB Communication USB 2 0 optically isolated USB 2 0 optically isolated Power Source 4x1 5V C cell alkaline batteries AC power NiMH batteries Battery Life 100 hours to 90 days Power ride through 10 hours dependent on sample rate This unique recording mode provides the opportunity to continuously record over long periods of time by reducing the stored sample resolution of the oldest data and maintaining matching resolution for the newest data Each time the memory fills up using XRM every other of the oldest stored samples is dis carded making room for newer samples This process continue2. 19 4 10 Synopsis of Operation 21 7 24 5 1 Changing the 24 TROUBLESHOOTING 25 26 Repair and 28 Technical and Sales Assistance 0 7 28 Limited Warranty t ette ie dete tp ter rea R 29 Warnan REINS 29 1 INTRODUCTION N WARNING N These safety warnings are provided to ensure the safety of person nel and proper operation of the instrument Read the instruction manual completely and follow all the safety information before attempting to use or service this instrument Never exceed the maximum working voltage ratings given NEVER open the back of the instrument while connected to any circuit or input Always inspect the instrument accessories and leads prior to use Replace any defective parts immediately with factory parts nok International Electrical Symbols This symbol signifies that the instrument is protected by double or reinforced insulation This symbol on the instrument indicates a WARNING and that the operator must refer to the user manual for instructions before operating the instrument In this manual the symbol preceding instructions indicates that if th
3. mail repair aemc com Caution To protect yourself against in transit loss we recommend you insure your returned material NOTE You must obtain a CSA before returning any instrument Sentinel Voltage Data Loggers 29 AEMC INSTRUMENTS 09 08 99 MAN 100294 v7 Chauvin Inc d b a AEMC Instruments 15 Faraday Drive Dover 03820 USA Phone 603 749 6434 Fax 603 742 2346 www aemc com
4. sure that the contents are consistent with the packing list Notify your distributor of any missing items If the equip ment appears to be damaged file a claim immediately with the carrier and notify your distributor at once giving a detailed description of any damage Save the damaged packing container to substantiate your claim 1 4 Ordering Information Sentinel Voltage Logger Model SDL V301 Cat 2134 10 VAC DC 3 Channel 600VAC 850VDc Includes three sets of color coded red black leads and alligator clips USB cable Data View CD ROM 4x1 5V C cell alkaline batteries installed user manual and warranty card Sentinel Voltage Logger Model SDL V401 Cat 2134 11 4 Channel 600VAC 850VDC Includes four sets of color coded red black leads and alligator clips USB cable 120V US wall plug adapter with 9Vpc output DataView CD ROM 4x1 5V AA rechargeable NiMH bat teries installed user manual and warranty card 1 4 4 Accessories and Replacement Parts Set of two color coded black red 5 ft voltage leads 4mm straight end with two color coded alligator clips Cat 2118 51 6 ft Replacement Cable USB for Sentinel series Cat 2140 51 Large classic tool bag u uu Cat 2133 71 Small classic tool Dag L l sse Cat 2133 72 110 220V Power Adapter for use with Model V401 Cat 2134 41 Senti
5. FF No data in memory LED Single Blink Memory is partially filled LED Double Blink Memory is full In the STANDBY and OFF modes the logger retains recorded information for transfer to a computer Both of these modes have low power states which require very little pow er from the battery The LEDs will not blink at this time By using these low power states the instrument can be programmed to start recording at some time in the future without draining the batteries The instrument can also record for very long periods A NOTE While in a low power state a button press is required before further use of the instrument For this reason a short button press should be issued before attempting any button control operations When in the STANDBY mode the unit enters the low power state if the button is not pressed for five minutes It will remain in this state until ei ther the button is pressed or the internal clock reaches the start time for a scheduled recording Sentinel Voltage Data Loggers 11 When in the RECORD mode the instrument will enter the low power state provided the storage period is one second or greater and the button has not been pressed for five minutes If the recording storage rate is faster than once per second the unit will not power down between sample sets Operations are determined by the length of time the control button is pressed The lighting of each LED in sequence provides a visual indication that a requir
6. SENTINEL DATALOGGERS VOLTAGE DATA LOGGERS VOLTAGE E AEMC INSTRUMENTS User Manual Statement of Compliance Chauvin Arnoux Inc d b a AEMC Instruments certifies that this instrument has been calibrated using standards and instruments traceable to international standards We guarantee that at the time of shipping your instrument has met its published specifications An NIST traceable certificate may be requested at the time of purchase or obtained by returning the instrument to our repair and calibration facility for a nominal charge The recommended calibration interval for this instrument is 12 months and begins on the date of receipt by the customer For recalibration please use our Calibration services Refer to our repair and calibration section at www aemc com Serial Catalog 2134 10 2134 11 Model 4 SDLV301 SDLV401 Please fill in the appropriate date as indicated Date Received Date Calibration Due Chauvin Arnoux Inc d b a AEMC Instruments INSTRUMENTS www aemc com com m cu wc ee ee READ CAREFULLY BEFORE USING A NOTE The Sentinel Loggers that are equipped with rechargeable NiMH batteries are designed to be used with the power adapter plugged in When not plugged in or during a power failure the bat teries will work up to 10 hours It is recommended that you keep the logger plugged in to avoid battery drainage If the battery become
7. al Bus USB port pro vides for the transfer of data from internal memory to the computer for analysis Figure 2 1 shows a block diagram of the logger Isolated 12 bit A D Power Source Data Battery Storage Figure 2 1 Data Logger Block Diagram 6 Sentinel Voltage Data Loggers 2 2 Control Features 8 8 L AX 4 INPUT 0 600 Vic released logger POWER ON All LEDs ON until p o blinks every 6s CLEAR MEMORY Yellow ON Then all LEDs blink sequentially ON OFF START STOP F 8 2 CLEAR MEMORY 9 Press until Yellow LED turns on solid 105 Press again lt 105 rower OFF Press until Red LED turns on solid 3 105 SENTINEL DATA LOGGER TRMS VOLTAGE LOGGER MODEL SDL V401 C f Figure 2 2 Key Components and Features 1 Recessed Safety Banana Jacks 3 or 4 channel and model depen dent 2 Control Button Record Start Stop This button marked PRESS selects the mode of operation The logger has three modes RECORD STANDBY and OFF Use this button to start or stop recordings and erase the memory 3 Three LED Indicators RED LED Indicates the status of battery voltage YELLOW LED Indicates the status of the memory LED OFF No data in memory LED Single Blink Memory i
8. and the battery voltage is below 4 3V the RED LED will double blink and the unit will turn off Ifthe unit is turned ON via DataView the threshold is 3 8V This means that the instrument can be turned on via DataView as long as the battery voltage is above 3 8V If the instrument is recording it will continue to record until the battery voltage falls below 3 8V 4 4 Recording Data NOTE The Sentinel Data Logger is factory configured and may be altered to fit the users needs see the Configuring the Sentinel Logger section inside the DataView user manual Once a configuration is written to the Sentinel the logger will no longer need to be connected to DataView to start the configured recording When data is stored in the memory the user may download the informa tion onto a hard disk see the Downloading Recorded Instrument Data section inside the DataView user manual 14 Sentinel Voltage Data Loggers 4 4 1 Starting a Recording Session NOTE A new recording cannot be started if the memory is full 1 Connect the inputs to the measurement source 2 Make sure the logger is in STANDBY mode GREEN LED single blinks 3 Press the PRESS button for longer than 1 5s but less than 3s to start recording 4 Verify that the GREEN LED double blinks to ensure that the logger is recording WARNING If during a recording the GREEN LED remains ON the Sentinel Data Logger is in a fault condition Disconnect immediately
9. blinks STANDBY mode is active and the logger is not recording The YELLOW LED is OFF indicting there is no data in memory The GREEN LED single blinks once per second a recording is scheduled to begin The GREEN LED single blinks once every six seconds a recording is not scheduled to begin The PRESS button is used to Start and Stop a Recording Session f the PRESS button is not pressed for a period of five minutes the instrument will enter a low power STANDBY mode and wait for either another button press or the recording start time to arrive if a recording is scheduled While in the low power STANDBY mode the LEDs will not blink A button press of less than 1 5 seconds will return the unit back to the normal STANDBY mode Event Recording with Memory Cleared When a recording starts the logger will continue to record until one of the following occurs The Session is complete The Memory is full and the recording mode is normal Start Stop mode The PRESS button is pushed again for gt 35 The Stop Recording command from the Sentinel Control Panel is sent to the unit The battery voltage falls below 3 8V Event Recording with a Partial or Full Memory If the YELLOW LED is double blinking the memory must be cleared be fore any further recording can be performed If the YELLOW LED is single blinking prior to starting a New Recording Session the memory is partially full To save clear or check memory ava
10. e erased before a recording can start The RESET button should only be pressed as a last resort An additional Lithium battery cell is used to add extra protection to the recorded memory in the event the main battery pack discharges It also provides backup while the main batteries are being changed This battery should be replaced once every two years The Lithium battery is hard wired to the instrument circuit board and only the factory should replace it 24 Sentinel Voltage Data Loggers APPENDIX TROUBLESHOOTING Symptom After being in a damp cold environment the logger does not function Cause Correction Condensation may have formed inside the logger shorting out the circuitry and discharging the battery Allow the circuit board to dry thoroughly in a warm location Symptom Sentinel Data Logger does not start recording when the button is pressed Cause Correction Make sure battery power is present Make sure you are pushing the button longer than 5 seconds to turn it ON Make sure the YELLOW LED is not double blinking If it is memory is full and you need to erase the data by pushing the Record button longer than 10 seconds twice Make sure the Sentinel Data Logger is properly configured so that you have Storage Rate Recording Period and at least one Measurement Channel specified Symptom Sentinel Data Logger does not respond to a button press even with fresh batteries installed Cause Correction Make s
11. e instructions are not followed bodily injury installation sample and product damage may result Risk of electric shock The voltage at the parts marked with this symbol may be dangerous This symbol refers to a type A current sensor This symbol signifies that applica tion around and removal from HAZARDOUS LIVE conductors is permitted This symbol refers to a type B current sensor Do not apply around or remove from HAZARDOUS LIVE conductors without additional protective means de energizing the circuit or wearing protective clothing suitable for high voltage work SNe PEB In conformity with WEEE 2002 96 4 Sentinel Voltage Data Loggers 1 2 Definition of Measurement Categories Cat 1 For measurements on circuits not directly connected to the AC supply wall outlet such as protected secondaries signal level and limited energy circuits Cat Il For measurements performed on circuits directly connected to the electrical distribution system Examples are measurements on household appliances or portable tools Cat Ill For measurements performed in the building installation at the distribution level such as on hardwired equipment in fixed installation and circuit breakers Cat IV For measurements performed at the primary electrical supply lt 1000V such as on primary overcurrent protection devices ripple control units or meters 1 3 Receiving Your Shipment Upon receiving your shipment make
12. ed amount of time for each operation has been reached The following table illustrates the operations that can be performed while in each of the three modes Operation to be RECO Indication Mode Duration Notes Performed seconds LEDs that light Off Turn On 5 RED GREEN and YELLOW 1 simultaneously Turn Off 5 GREEN then RED 2 3 Standby Start Recording 1 5 GREEN GREEN then RED Erase Memory 10 then YELLOW 2 4 5 GREEN and RED Recording Stop Recording 3 simultaneously 1 Notes 1 LEDs light at the same time 2 LEDs light one at a time in sequence 3 GREEN lights after 1 5 s RED lights after 3 s 4 GREEN lights after 1 5 s RED lights after 3 s and YELLOW lights after 10 s 5 Hold the button for 10 s Release it Press again within 3 s and hold for 10 s A NOTE If the input to the logger exceeds 10 over the measurement range and the logger is powered on all three LEDs will blink at a rate of one per second 12 Sentinel Voltage Data Loggers 4 2 Connecting the Sentinel to your Computer A 00 NOT CONNECT THE SENTINEL THE PC INSTALLING THE SOFTWARE AND DRIVERS REFER T0 THE DATAVIEW USER MANUAL F0R DRIVER AND SOFTWARE INSTALLATION INSTRUCTIONS A INSTALL THE DATAVIEW SOFTWARE INSTALLING THE USB DRIV ERS AND CONNECTING THE SENTINEL THE COMPUTER Figure 4 1 shows a typical hook up The Sentinel Data L
13. hen the logger is recording downloading or being configured Pressing the RESET button when the logger is ON will cause the instrument to reset its configuration to factory defaults The RESET button should only be pressed as a last resort A WARNING In an effort to preserve recorded memory the instrument s memory will be marked as full when the RESET occurs Download any desired session then erase the memory before starting a new recording Event Pressing the RESET Button while Recording not recommended The RED LED remains OFF The recording session ends and the GREEN LED changes from a double blink to a single blink The YELLOW LED double blinks to indicate that the memory is full Sentinel Voltage Data Loggers 19 Event Pressing the RESET Button when a Recording has Ended The RED LED will remain OFF The GREEN LED single blinks The unit indicates that the memory is full double blinking YEL LOW Event The Logger is Waiting for a New Recording Session If the RESET button is pressed when a recording has been scheduled the logger will not start recording at the previously programmed date and time The unit indicates that memory is full double blinking YELLOW A NOTE The resumption of the logger operation in the above situations as sumes that the Reset button cleared the fault s The Logger will not resume normal operation if the fault condition still exists 20 Sentinel Voltage Data L
14. ilability use the DataView software Sentinel Voltage Data Loggers 17 There may be instances where the GREEN LED is also double blinking in dicating that the logger is still recording The user can choose to stop the Recording Session and download the saved session s or clear the memory A NOTE The logger memory cannot be erased while in the Record mode The recording must be stopped first by either pressing the PRESS button or from the software Event Memory Filled During Recording Session If the logger is recording using the normal Start Stop mode and memory is filled before the Recording Session has finished the session will end The following happens The YELLOW LED will double blink The GREEN LED will single blink At this time The memory can be downloaded and cleared Anew recording can be started or scheduled once the memory is cleared Event Battery Power is Insufficient for a Full Recording Duration If the battery voltage drops below the threshold the following will occur The Recording Session will terminate The Data will be saved The GREEN and YELLOW LED will turn OFF The logger continues to record until the battery voltage drops to 3 8V Pressing the PRESS button may not turn the unit ON at all The battery voltage may rise slightly after the unit turns itself off In this event the unit may turn on momentarily as a result of a button press the RED LED will double blink and the unit
15. long enough to erase memory the YEL LOW LED will light At this time you can release the PRESS button 5 As the memory is being erased the unit will cycle through the three LEDs until the operation has finished Erasing the Memory using DataView 1 Connect Sentinel to the computer and open the Control Panel for the Sentinel 2 Select Erase Memory from the Instrument Menu 4 7 Data Storage The logger captures Trend measurements Input Channel Source for the measurement channel of the instrument Measurement Channel Measurement of input This can be a simple di rect measurement the result of complex mathematical operations on a single or multiple input or other channels Sample Rate The rate at which the instrument measures inputs Storage Period The period at which channel measurements are stored 4 7 1 Trend Measurements The Logger captures RMS calculation on each of the inputs In addition the user can define up to four channels the storage rate recording period and measurement format using the Configure Instrument window Trend measurements are stored at this fixed storage rate 16 Sentinel Voltage Data Loggers 4 8 Normal Operation Following is a detailed description of the logger operation 4 8 1 Normal Operating Environment When the instrument is turned ON the following occurs provided there is sufficient battery voltage and no data is stored in the instrument s memory The GREEN LED single
16. n Number CSA This will ensure that when your instrument arrives it will be tracked and processed promptly Please write the CSA on the outside of the shipping container If the instrument is returned for calibration we need to know if you want a standard calibration or a calibration traceable to N I S T Includes calibration certificate plus recorded calibration data Ship To Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 800 945 2362 Ext 360 603 749 6434 Ext 360 Fax 603 742 2346 or 603 749 6309 E mail repair aemc com Or contact your authorized distributor Costs for repair standard calibration and calibration traceable to N I S T are available NOTE You must obtain a CSA before returning any instrument Technical and Sales Assistance If you are experiencing any technical problems or require any assistance with the proper operation or application of your instrument please call mail fax or e mail our technical support team Chauvin Arnoux Inc d b a AEMC Instruments 200 Foxborough Boulevard Foxborough MA 02035 USA Phone 800 343 1391 508 698 2115 Fax 508 698 2118 E mail techsupport aemc com www aemc com NOTE Do not ship Instruments to our Foxborough MA address 28 Sentinel Voltage Data Loggers Limited Warranty The Sentinel Data Logger is warranted to the owner for a period of one year from the date of original purcha
17. nel Voltage Data Loggers 5 2 PRODUCT FEATURES 2 1 Description The Sentinel Voltage Data Loggers are 3 and 4 channel voltage record ing devices with alkaline or rechargeable battery packs model depen dent Line tracking is performed such that 64 samples over one line cycle are taken Frequency tracking is performed over the range of 3Hz around the nominal line frequency 50 or 60Hz Power Quantity and Power Qual ity measurements are calculated from these 64 samples for all input chan nels note that Power Quality is only available from the Sentinel Control Panel within the DataView application The Sentinel records RMS and or DC for each of the inputs at a rate of up to four times per second Measurements for each channel are taken sequentially This means that while the instrument is taking samples on one channel the other channels are ignored The measurement process is performed no more that four times per second RMS calculations are per formed on a single line cycle This means that the inputs and line cycles are ignored between measurement intervals The main advantage of the logger is its ability to perform a variety of recording tasks with easy and intuitive setup from a computer using Data View software Analog information on the input is sampled and converted to a digital signal This digital signal is processed and stored along with scale and time information An optically isolated Universal Seri
18. nks STANDBY Mode twice every 6 seconds Green LED single blinks No once every 6 seconds A Yes Yellow LED blinks i Data in MEM once every 6 seconds All LEDs blink No once per second if overload is detected lt A Bat low lt 3 8V Red LED blinks twice No The Bat low condition has been monitored on all modes The Red LED will blink twice stop the current operation and turn the unit OFF if it is low Figure 4 2 22 Sentinel Voltage Data Loggers Normal Operation Unit off gt 4 STANDBY Mode In Recording No The yellow LED will be on if the No PC and PB for 5 min memory is full and will not start if a recording Y PB gt 10 Sec 3 lt PB lt 10Sec N 1 lt lt 3 PBS 1986 Yellow LED on Red LED on Green LED on lt 4 4 J Y No N No LEDs blink to show the current status lt PB released PB released Yes Yes Yes Yes Yellow LED off Green LED off Wait for 5 Sec If no PB reread leave the erase mode Recording Start Green LED blinks twice gt every 6 seconds Sleep Mode Y No LEDs blink Red and Green LED on cm N Yellow LED off LEDs blink to show PB released the status Yes v Yes Erase Memory Red and Green LED off Red LED on and
19. off fing v Yellow LED on and off MENT Green LED and off memory is full Recording Stopped Y 4 v or low battery Figure 4 3 Sentinel Voltage Data Loggers 23 5 MAINTENANCE 5 1 Changing the Batteries A WARNING Turn the unit off before changing the batteries or loss of recorded data may occur A WARNING Disconnect the unit from any voltage measurement points before opening the rear cover to change the batteries Remove the four screws holding the back cover on Remove the screw from the battery cover Slide off cover to remove Replace with only 1 5V C cell alkaline batteries then replace cover Press the PRESS button for 5 sec or longer to turn the Sentinel ON Oo NI NOTE It is recommended to store the unit with the batteries in it to pre serve the lithium battery A NOTE In rare cases you may need to press both the PRESS button and RE SET button at the same time to generate a system reset manually to power up the Sentinel properly Pressing just the RESET button alone immediately after the battery replacement will not work Once the Sentinel turns ON and the lights start blinking you can press the RESET button alone without the need for pressing the PRESS button to generate a system reset A WARNING Pressing the RESET button can result in the loss of recorded data At a minimum the unit will be reset to its factory default configuration and the memory will need to b
20. ogger utilizes an optically isolated USB communication port The manual for your computer should indicate where to find the USB port on your computer USB Cable Data Logger Figure 4 1 You may leave the logger connected to the computer during a recording session However additional battery drainage will occur to support the ac tive USB connection Sentinel Voltage Data Loggers 13 4 3 Turning the Unit On The Sentinel Data Logger can be turned ON by performing one of the following Press and hold the PRESS button for approximately 5 seconds Connect the unit to a USB port on your computer and establish communication with the instrument using the DataView software The logger will remain ON while a communication link with DataView is active provided sufficient battery power is available during the communication session The unit has been turned ON successfully when the RED YELLOW and GREEN LEDs light up At this time you can release the PRESS button The unit is now in the STANDBY mode The instrument contains protection circuitry to prevent it from being turned on when the battery voltage is below 3 8V There are two thresholds for the battery voltage depending on how the instrument is turned ON either button press or DataView and the record ing state that it is in Ifthe unit is turned ON from a button press the threshold is 4 3V This means that if the unit is turned on
21. oggers 4 10 Synopsis of Operation Indicators ON OFF Comments 1 Single Blink Note P B Press Button 2 Double Blink Saved Data or Session s in Memory Battery Recording Voltage Session R Y G P B Stops Recording Pushing 10s does not erase the memory OFF 1 2 during Recording RESET resets the unit to factory default 1 gt 3 8V Active Yes P B Stops Recording Pushing gt 10s does not erase the memory during Recording RESET resets the unit to factory default 2 gt 3 8V Active No OFF OFF 2 P B Starts New Session Pushing again Stops it If pushed gt 10s twice Clears the memory RESET resets the unit to factory default P B Starts New Session Pushing again Stops it If pushed gt 10s twice clears the memory RESET resets the unit to factory default 3 gt 3 8V Inactive Yes OFF 1 1 4 gt 3 8V Inactive No OFF OFF 1 If the battery voltage is 5 lt 3 8V Inactive Yes OFF OFF OFF less than 3 8V the will have no effect Sentinel Voltage Data Loggers 21 Turning the Unit Unit off 4 2 Press and Hold the gt Yes All LEDs on Red LED blinks twice Yes Cannot start a new All LEDs off recording under this condition gt Yes Yellow LED bli
22. ormation sssee enn 5 1 4 1 Accessories and Replacement Parts 5 PRODUCT FEATURES 6 2 1 Description orti eet E eri er ee cte ee Rn Eod obo ne 6 2 2 Control Features oem e tes 7 2 3 Inputs and Outputs a 8 SPECIFICATI0NS 9 9 3 2 Mechanical 10 3 9 Environmental y an 10 gets Safely cou sns Qusa k un Sasu Sumaq 10 11 24 1 Operating Modas pelts 11 4 2 Connecting the Sentinel to your Computer 13 4 3 Turning the Unit 14 44 Recording Data eee e e 14 4 4 1 Starting a Recording Session 15 4 4 2 Stopping a Recording Session 15 4 5 Downloading Recorded 15 4 6 Erasing Data from Memory a 15 4 7 Data Storage eere 16 4 7 1 Trend Measurements a 16 4 8 Normal Operation 7 17 4 8 1 Normal Operating Environment 17 4 9 Reset Button Operation
23. ronment Download The process of transferring data from the logger to the computer Hz Hertz a unit of measure of frequency equivalent to cycles per second Input output a device or port capable of sending or receiving digital information Pointer See cursor Port A name given to any connector allowing input or output of information Processor A computing device used to calculate and run a set of instructions Recording session A recording session is defined as the time and data contained within the starting and ending of a recording 26 Sentinel Voltage Data Loggers Resolution The number of bits in which digitized values will be stored The Sentinel Data Logger has 12 bit resolution Ride through Time during which the AC line voltage has dropped sufficiently low to not be able to power the instrument Zoom The ability to select a section of the graph and magnify it for better readability USB Universal Serial Bus a communications port used to access the Data Logger via a computer program Dataview Sentinel Voltage Data Loggers 27 Repair and Calibration To ensure that your instrument meets factory specifications we recommend that it be scheduled back to our factory Service Center at one year intervals for recalibration or as required by other standards or internal procedures For instrument repair and calibration You must contact our Service Center for a Customer Service Authorizatio
24. s fully drained and the logger will not function recharge the battery using an external battery charger Your instrument is equipped with a NiMH battery model dependent This technology offers several advantages Long battery charge life for a limited volume and weight Possibility of quickly recharging your battery Significantly reduced memory effect you can recharge your battery even if it is not fully discharged Respect for the environment no pollutant materials such as lead or cadmium in compliance with the applicable regulations N After prolonged storage the battery may be completely discharged If so it must be completely recharged with an external battery charger available at local retail stores Your instrument may not function during part of this recharging operation Full recharging of a completely discharged battery may take several days Do not dispose of the battery pack with other solid waste Used batteries must be entrusted to a qualified recycling company or to a Company specialized in processing hazardous materials Table of Contents INTRODUCTION 4 1 1 International Electrical 4 1 2 Definition of Measurement Categories 5 1 3 Receiving Your Shipment sse 5 1 4 Ordering Inf
25. s partially filled LED Double Blink Memory is full GREEN LED Indicates the mode of operation LED OFF Logger is turned off LED Single Blink Logger is in Standby Mode and not recording LED Double Blink Logger is in Record Mode A Note All LEDs single blink simultaneously in case of an overload gt 10 above range at the input if the unit is in power on status Sentinel Voltage Data Loggers 7 4 Female USB Connector 5 Power Input model dependent 6 Reset Button not shown This button resets the CPU The RESET Button is located inside the instrument under the shield Remove the rear cover and insert a small tool such as a pen through the hole in the shield to activate it Do not press the RESET Button under normal operation WARNING If the RESET Button is pressed when the logger is recording it will stop recording and data in the memory may be lost 2 3 Inputs and Outputs TheSentinel voltage models have voltage leads and clips The logger is also supplied with a male male USB cable used for data transmission from the Sentinel Data Logger to your computer 8 Sentinel Voltage Data Loggers 3 SPECIFICATIONS 3 1 Electrical Reference Conditions 23 C 5 C 30 to 50 RH range Add 200 ppm C from 10 to 18 C and 28 to 50 C to all accuracy specifications Sinusoidal voltage with frequency 50 60Hz 3Hz Calibration cycle is 1 year
26. s until the recording is manually stopped An internal lithium battery gt 2 8V provides additional memory back up for up to 30 days If the unit is connected to DataView via a PC the operating time is 100 hours regardless of the storage rate Sentinel Voltage Data Loggers 9 3 2 Mechanical Dimensions 6 73 x 4 76 x 2 17 171 x 121 x 55mm Weight Model V301 1 8 Ibs 0 8kg including the batteries Model V401 1 3 Ibs 0 6kg including the batteries Case Polycarbonate UL94 V2 Vibration IEC 68 2 6 1 5mm 10 to 55Hz Shock IEC 68 2 27 30G Drop IEC 68 2 32 1m 3 3 Environmental Operating Temperature 14 to 122 F 10 to 50 C Storage Temperature 4 to 140 F 20 to 60 C Relative Humidity 0 to 85 95 F 35 C Non condensing Altitude 2000m 34 Safety m Safety 600 Cat 300V Cat IV All specifications are subject to change without notice 10 Sentinel Voltage Data Loggers CHAPTER 4 4 1 Operating Modes The Sentinel Logger has three modes of operation RECORD STANDBY and OFF After the instrument has been turned on the operating mode of the logger can be determined by pressing the PRESS button for less than 1 5 seconds The GREEN LED indicates the mode of operation LED OFF Logger is turned off LED Single Blink Logger is in Standby Mode and not recording LED Double Blink Logger is in Record Mode The YELLOW LED indicates the state of recording memory LED O
27. se against defects in manufacture This limited warranty is given by AEMC Instruments not by the distributor from whom it was purchased This warranty is void if the unit has been tampered with abused or if the defect is related to service not performed by AEMC Instru ments For full and detailed warranty coverage please read the Warranty Coverage Information which is attached to the Warranty Registration Card if enclosed or is available at www aemc com Please keep the Warranty Coverage Information with your records What AEMC Instruments will do Ifamalfunction occurs within the one year period you may return the instrument to us for repair provided we have your warranty registration information on file or a proof of purchase AEMC Instruments will at its option repair or replace the faulty material REGISTER ONLINE AT www aemc com Warranty Repairs What you must do to return an Instrument for Warranty Repair First request a Customer Service Authorization Number CSA by phone or by fax from our Service Department see address below then return the instrument along with the signed CSA Form Please write the CSA on the outside of the shipping container Return the instrument postage or shipment pre paid to Ship To Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover 03820 USA Phone 800 945 2362 Ext 360 603 749 6434 Ext 360 Fax 603 742 2346 or 603 749 6309 E
28. the logger will not record and the battery will drain faster 4 4 2 Stopping a Recording Session 1 Push the PRESS button for gt 3s and lt 5s The RED and GREEN LED will turn on simultaneously 2 The GREEN LED will change from a double blink to a single blink indicating STANDBY mode The data will be retained even if the instrument is turned OFF The re corded data may be downloaded to a hard disk 4 5 Downloading Recorded Data Recorded measurements stored in the instrument are transferred to a database on a hard disk via the download command in the Sentinel Control Panel For complete instructions on downloading data see the Downloading Recorded Instrument Data section inside the Sentinel DataView user manual 4 6 Erasing Data from Memory Erasing data from the instrument s memory can only be performed while in the STANDBY mode A WARNING Data will be permanently lost by performing this procedure Sentinel Voltage Data Loggers 15 There are two ways to erase the memory Erasing the Memory using the PRESS Button 1 Press and hold the PRESS button for gt 10s This will arm the instru ment for an erase operation when not in record mode 2 Once the button has been held long enough to arm the unit the YEL LOW LED will light At this time you can release the PRESS button 3 Press and hold the PRESS button for another 10s within 3 seconds of arming the erase operation 4 Once the button has been held
29. ure that the instrument is not OFF Press the button for a short duration less than 1 5 seconds If the LEDs do not flash then the instrument is OFF Turn the instrument ON by pressing the control button for five seconds The LEDs will light solid once the instrument has turned on and you may release the button at that time Refer to the Troubleshooting section located in the Help menu from within the Sentinel Control Panel for a complete list of issues and solutions Sentinel Voltage Data Loggers 25 APPENDIX GLOSSARY Some general terminology associated with the data collection process is listed here for convenience Bps Bits Per Second a unit of signal transfer 50660 equal to the number of elements per second The Sentinel Data Logger transfers data at the rate of 115200 bps Bi Polar Inputs The ability to accept both and inputs Button An actual key on the logger or computer keyboard or a soft key in the program on the computer screen CMRR Common Mode Rejection Ratio the ability to measure only the difference between the input leads rejecting what the leads have in common Cursor A pointer or cross hair that indicates the active position on the computer screen It is usually moved around with the mouse or arrow keys Data logger A device used to sample and store electrical signals representative of physical phenomena such as temperature pressure and flow for long periods of time in an unattended envi
30. will then turn OFF The batteries must be replaced before the recorded session s can be downloaded from the instrument A NOTE Replacing the batteries while the unit is OFF will not result in the loss of data memory The internal Lithium battery will maintain the contents of memory while the main batteries are being replaced 18 Sentinel Voltage Data Loggers Event Recording Session has Ended The logger will be in STANDBY mode if one of the following occurs The Recording Session terminates due to recording end time be ing reached when recording in the Start Stop mode The recording in Start Stop mode fills the memory The user terminates the Recording Session by pressing the PRESS button for gt 3 or issues a Stop Recording command from the Sentinel Control Panel Under these conditions it is possible to turn the logger ON from the com puter to download the data if the batteries have sufficient power The logger is now ready for a New Session or Download Pressing the PRESS button for more than 1 5 seconds but less than 3 seconds will start a New Session depending on the available memory 4 9 Reset Button Operation There is a recessed RESET button located inside the unit and indicated by a label on the shield A NOTE It is recommended to only press the RESET button when the logger stops responding to a normal press button contro when not connected to DataView It is not recommended to reset the instrument w
Download Pdf Manuals
Related Search