WR8500 SERIES
Contents
1. Basic Specifications Channel combinations Combination of any 2 channels AND OR Measurement modes Recorder Memory Recorder and Logging Trigger slope Rising or Falling Number of channels 8 16 Trigger level O to 100 1 steps or directly set as a voltage level within the specified E RANGE F S Memory capacity 64 kwords channel optionally expandable to 256 kwords channel ae 7 Trigger functions Start Stop Start amp Stop Trig Memory Trig amp Trig Trig Zoom Recorder mode Display panel 8 9 LCD only Recording method Thermal recording by a thermal array print head of 8 dot mm pitch Trigger delay 100 to 100 10 steps during memory recording Chart paper Roll paper part no PR231A 210 mm x 40 m trace color black Trigger action Single or Repeat Recorded width 205 mm 1 640 dots maximum Isolation voltage 1 min at 1 500 VAC between the AC power supply and frame RECORDER mode Isolation resistance 20 MQ or more at 500 VDC between the AC power supply and frame and Waveform display Display format Y T X Y between the input terminals and frame Display direction Horizontal scrolling specify for Y T Backup functions Settings EEPROM clock secondary lithium battery when fully charged lasts Channels displayed Y T Same as Recording formats about three months if the RAM Backup function is Off RAM Backup X Y 1 X axis channel 7 Y axis channels secondary lithium battery when fully ch2. GRAPHTEC a l E T 5 a E 5 1 S ER 3 R5500 SERIES Thermal Arraycorders Easy Operation and High level Performance The WR8500 series thermal arraycorders are economi cal no frills waveform recorders which feature a large format LCD screen for waveform monitoring and a performance level usually found in our more expensive recorders such as the WR9000 Chart speeds up to 200 mm s are selectable from the front panel and the sam pling rate is a high speed 4 us For users who need increased functionality we offer a wide range of options such as logic amp input floppy and MO disk drives RS 232C and GPIB interfaces additional memory DC drive and a Z fold chart paper box User friendly functions make the WR 500 so much easier to use External sampling function captures data synchronized to an external signal into memory Wide range of trigger and remote control functions as well as an event marker function to record phenomena as they occur Selection of noise filters OFF 1 5 Hz line 10 30 50 100 500 Hz 5 kHz Up to 8 hours memory backup Easy operation just like an analog recorder Independent setup parameter keys for each channel means that you can change parameters for any channel even during recording Up to four sets of setup parameters can be saved in memory A separate bank of chart speed setting keys enables you to change the chart speed at any time
3. approx 10 5 kg with the DC drive option Display method Roll mode display with Overwrite function overwrites specified data in memory MEMORY functions Sampling speeds 4 us to 5 s in steps of 1 2 4 5 and 8 External LOGGING mode 4 us to 100 ms in steps of 1 2 4 5 and 8 in Recorder mode Measured data display Measured data of any channel can be displayed as digital values using a screen Memory banks 1 2 4 8 16 32 or 64 blocks split into 1 2 4 8 or 16 parts Figures in apply to the 16 ch model only Memory coupling Expand 8 ch x 1 4 ch x 2 2 ch x 4 or 1 ch x8 Display speed 00 00 01 to 24 00 00 1 s steps Specifiable output zone 10 to 100 10 steps Measurement interval 1 ms to 800 ms in steps of 1 2 4 5 or 8 00 00 01 to 24 00 00 1 s steps Waveform scaling Time axis x8 to x1 8 plus Fixed A4 size between cursors voltage axis data Recording formats Day month year at start of measurement hh mm ss specified by cursors Channel specific measured data 16 max minimum maximum and mean O Cursor readout scrolling zoom values are recorded as digital values after recording has been completed Recording interval Synchronized with the display interval 7 mm line TRIGGER functions Memory recording Data being measured can be directly written to an external memory device Trigger modes Off Manual External and Internal Only Combination All OR All AND optional floppy or MO disk Logic OR Logic AND 2 Wi
4. R8500 s floppy or MO disks into TXT or CSV formats so that it can be used with spreadsheet applications such as Microsoft s Excel or Lotus 1 2 3 WR8500 16 channel model Separate bank of chart speed setting keys 1 Floppy disk and MO drives are available as options 2 13 formats for the 16 ch model Functions to Make the Most of Your Measurement Data Cursor Functions For data captured in memory you can use a cursor to read measured data at a specific position on the waveform The jog shuttle dial moves the cursor with speed and ease e Scrolling function The jog shuttle dial 1s used to scroll the display of data captured in memory e Cursor Readout function Displays the electric potential time and frequency difference at the cursor position in waveform display e Statistical Calculation functions Perform statistical calculations on the data in the range specified by the waveform cursors e Storage of data in the cursor specified range Saves data in the range specified by the waveform cursors to a floppy or MO disk e Cursor Zoom function Provides an enlarged display of data in the range specified by the waveform cursors e Print function Prints out data in the range specified by waveform cursors Auto Zero The Auto Zero function 1s used to com pulsorily move the reference potential of the signal input to the WR8500 s zero point position which is regarded as the O V posi tion for recording The volt
5. age at the time the Auto Zero function is enabled becomes the reference potential Auto Zero On a o Range Span Setting Functions For voltage measurement three functions for setting the range and span are provided e Auto Range Automatically sets the optimum measure ment range for measuring voltage e Span mode Specifying the upper and lower limit values for a measurement range that has already been specified determines the zero position e Position mode Specifying the zero position for a measure ment range that has already been specified determines the upper and lower limit values Vernier The VERNI function enables fine adjustment of the measurement range Example of recording a 13 5 V input signal internal reference 10 V range 20 V range 10 V range to 15 V range Vernier ratio approx 100 Vernier ratio approx 100 Vernier ratio approx 67 Scaling This function enables you to convert voltage signals to another industrial unit and to specify upper and lower limits of scaling and a user defined unit for the results of con version The user defined unit mm kg etc can be specified using up to 6 characters Overwrite When this function is enabled new wave forms will be displayed over the waveform already being displayed so that you can make comparisons Remote Interface A remote interface CMOS level which enables start stop control of the recorder using external signals is
6. and four directional cursor keys are provided for easy menu selection Three recording modes for diverse measurement scenarios The WR8500 comes standard with three recording modes to suit your applications Recorder Memory Recorder and Logging In Recorder mode the WR8500 displays and records analog signals as realtime waveforms and it can also capture data into memory simultaneously Voltage ranges are from 50 mV to 500 V and logic input is available as an option In Memory Recorder mode data captured into memory can be displayed and recorded as waveforms The WR8500 comes with a standard memory capacity of 64 kwords channel and an additional 256 kwords channel memory 1s available as an option In Logging mode measured data is displayed and recorded as digital values Data can be captured directly onto a floppy or MO disk Wide format recording and display Graphtec s 8 dot mm thermal array technology enables the information shown on the LCD panel to be accurately reproduced on chart paper In addition to waveform recording up to 200 mm wide and printing of digital values you can also print out a list of setup parameters as well as a hard copy of the display screen 11 formats are available for the 8 channel model in Y T mode and a 150 x 150 mm format in the X Y mode A selection of 9 grid patterns is also offered File Conversion Software Graphtec s OPSO11 file conversion software Windows version converts data stored on the W
7. arged lasts four hours minimum with Recording formats 200 mm x 1 100 mm x 1 80 mm x 2 50 mm x 4 25 mm x 8 160 mm x 1 100 the memory option or eight hours minimum with standard memory only mm x 2 50 mm x 2 40 mm x 4 20 mm x 8 12 5 mm x 16 10 mm x 16 User Interface Option RS 232C or GP IB Figures in apply to the 16 ch model only Operating range O to 40 C 30 to 80 RH 5 to 35 C for printing Chart speeds 1 1 25 2 2 5 5 10 12 5 20 25 50 100 200 mm s mm min mm h External Power rating 100 V series 100 to 120 V 0 03125 mm pulse 640 pps max 100 V 200 V series 100 to 120 V 200 to 240 V 100 and 200 can only be combined with mm s CE mark 100 to 120 200 to 240 V DC drive available as an option MEMORY RECORDER mode Power consumption 8 ch model 360 VA max 16 ch model 400 VA max with the 100 120 VAC Waveform display Display format Y T or X Y display system Display direction Horizontal scroll Y T External dimensions 8 ch model approx 360 W x 296 D x 120 H mm Channels displayed Y T Same as Recording formats 16 ch model approx 360 W x 296 D x 200 H mm excluding rubber feet X Y 1 X axis channel max 7 Y axis channels and protuberances Measured data display Measured data of 8 16 channels can be displayed at the left of the screen as Weight 8 ch model approx 6 5 kg approx 8 0 kg with the DC drive option 16 ch digital values Figures in apply to the 16 ch model only model approx 10 kg
8. built in Calculation Functions The WR8500 can perform the following 7 cursor specified statistical calculations e Standard Deviation S D e Maximum and Minimum Values Max Min s Absolute Peak to Peak Values p p e Averaging Average s Root Mean Square R M S e Rise Time and Fall Time e X Y Area and Y T Area Grid Patterns In recorder mode and memory recorder mode a choice of 9 grid patterns is provided to enable easier reading of the waveform 1 Floppy disk and MO drives are available as V1 is recorded as the reference potential 0 V options Options Standard Accessories Logic amp B 375 16 channels unit Chart paper 1 roll Floppy disk drive B 371 3 5 1 44 MB Cannot be installed Chart paper flanges 1 set Magneto optic disk drive B 364 3 5 640 MB concurrently Power cable 1 RS 232C interface B 372 Cannot be installed Remote connector 1 GP IB interface B 363 Conforms to IEEE 488 1978 concurrently User s manual 1 Additional memory B 373 256 kwords ch for 8 ch model B 374 256 kwords ch for 16 ch model DC drive B 376 10 to 16 VDC for 8 ch model B 377 10 to 16 VDC for 16 ch model Long length Z fold paper box B 367 For use with PZ231A 100 m length Z fold paper WR8500 Interface WR8500 RS 232C and GP IB Control Commands Command Manual UM 351 Specifications
9. correct and safe use of your recorder i Read your User s Manual before using the recorder and operate it correctly in accordance with the procedures described To prevent malfunctions or electrical shock due to current leakage ensure that the recorder has a good protective ground and that the supply voltage conforms to the recorder s power rating Brand names and product names listed in this brochure are the trademarks or registered trademarks of their respective owners Specifications are subject to change without notice GRAPHTEC CORPORATION 503 10 Shinano cho Totsuka ku Yokohama 244 8503 Japan Tel 81 045 825 6250 NATIONAL Fax 81 045 825 6396 Y LL Email info graphteccorp com BODIES Web www graphteccorp com 7 cle Fujisawa Plant RWR85001000205SU Printed in Japan
10. igger settings ANID on ON trigger foe digno sd ias H CL voltage 250 VACrms between terminal and frame an armed trigger is met Insulation resistance 20 MQ or more at 500 VDC D ISO Isolation voltage between 1 minute at 500 VAC CE Mark compliant models 1 minute at 2300 VAC Display recording Cam be switched on on Tor euch ero up ot our channels the input terminal and frame Zone positioning Each four channel group A B C D can be assigned to a Permissible signal 1 KQ maximum zone for display and recording source resistance Standard accessories Four RIC 10 probe sets Input bias current 10nA typical The maximum input voltage that can be measured including peak values is within CMRR 100 dB 50 60 Hz signal source resistance up to 500 Q the RANGE voltage full scale A D conversion Sampling speed 4 us max Resolution 12 bits 10 bits 2 Resolution of measured data during internal processing by the amp Frequency response DC coupling DC to 50 kHz 1 3 dB typical Filter Line 1 5 Hz 3 dB at 6 dB oct Lowpass 10 30 50 100 500 5k Hz 3 dB at 6 dB oct GAIN vernier Variable setting of the measurement range from 120 to 40 digital specification Auto Range function Automatically selects the measurement range best suited to the input AUTO ZERO function Automatically sets the zero point to the reference potential of the voltage input Input terminals Safety sockets 2 terminals To ensure
11. ndow In Window Out Data transfer Output of ASCII data via the RS 232C interface 1 The secondary lithium battery is shared 5 Valid only when the output factor is Fixed 2 Requires installation of the logic amp option 6 Both drives are options must be specified at time of ordering 3 In Recorder or Logging mode only fixed to Memory in Memory Recorder mode 7 Option The GP IB interface cannot be used to send ASCII data in Logging mode 4 In X Y display mode the frequency response varies with the number of measurement channels 8 1 ms speed applies only when saving data to an FD or MO disk it cannot be displayed or recorded 1 ch 800 Hz 2 ch 400 Hz 4 ch 200 Hz 8 ch 100 Hz 9 For a 16 ch model data is displayed in two rows V Voltage input type amp LO Logic input type amp 16 channels unit Input configuration Floating ground with unbalanced load input Number of channels 16 4 per terminal x 4 Input resistance Approx 1 MQ 1 Input voltage range 0 to 25 V max Single ended ground Measurement range Voltage 50 100 200 500 mV FS 1 2 5 10 20 50 100 200 500 V FS Sampling speed Synchronized with the recorder Accuracy Voltage 0 25 of FS Threshold levels TTL 41 4 V Temperature coefficient Zero point 0 02 of FS C Gain 0 01 of FS C CMOS 42 5 V Input coupling DC GND CAL 1 2 FS OFF Come penne NV Maximum permissible input 500 VDC DC ACp p between and terminals 30 VDC at the 50 mV to 2 V ranges Tr
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